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-rw-r--r--lib/stdlib/doc/src/gen_statem.xml232
-rw-r--r--lib/stdlib/doc/src/maps.xml34
-rw-r--r--lib/stdlib/doc/src/notes.xml6
-rw-r--r--lib/stdlib/doc/src/rand.xml61
-rw-r--r--lib/stdlib/include/assert.hrl6
-rw-r--r--lib/stdlib/src/erl_posix_msg.erl4
-rw-r--r--lib/stdlib/src/gen_statem.erl261
-rw-r--r--lib/stdlib/src/maps.erl157
-rw-r--r--lib/stdlib/src/rand.erl435
-rw-r--r--lib/stdlib/src/uri_string.erl23
-rw-r--r--lib/stdlib/test/epp_SUITE.erl2
-rw-r--r--lib/stdlib/test/erl_lint_SUITE.erl2
-rw-r--r--lib/stdlib/test/ets_SUITE.erl35
-rw-r--r--lib/stdlib/test/gen_statem_SUITE.erl73
-rw-r--r--lib/stdlib/test/lists_SUITE.erl2
-rw-r--r--lib/stdlib/test/rand_SUITE.erl373
-rw-r--r--lib/stdlib/test/rand_Xoroshiro928ss_dev.txt343
-rw-r--r--lib/stdlib/test/stdlib.spec2
-rw-r--r--lib/stdlib/test/stdlib_bench_SUITE.erl67
-rw-r--r--lib/stdlib/test/uri_string_SUITE.erl10
20 files changed, 1534 insertions, 594 deletions
diff --git a/lib/stdlib/doc/src/gen_statem.xml b/lib/stdlib/doc/src/gen_statem.xml
index a808d3af55..dfecd235c9 100644
--- a/lib/stdlib/doc/src/gen_statem.xml
+++ b/lib/stdlib/doc/src/gen_statem.xml
@@ -167,7 +167,7 @@ erlang:'!' -----> Module:StateName/3
</p>
<marker id="state callback"/>
<p>
- The "<em>state callback</em>" for a specific
+ The <em>state callback</em> for a specific
<seealso marker="#type-state">state</seealso>
in a <c>gen_statem</c> is the callback function that is called
for all events in this state. It is selected depending on which
@@ -179,7 +179,7 @@ erlang:'!' -----> Module:StateName/3
When the
<seealso marker="#type-callback_mode"><em>callback mode</em></seealso>
is <c>state_functions</c>, the state must be an atom and
- is used as the state callback name; see
+ is used as the <em>state callback</em> name; see
<seealso marker="#Module:StateName/3"><c>Module:StateName/3</c></seealso>.
This co-locates all code for a specific state
in one function as the <c>gen_statem</c> engine
@@ -192,7 +192,7 @@ erlang:'!' -----> Module:StateName/3
When the
<seealso marker="#type-callback_mode"><em>callback mode</em></seealso>
is <c>handle_event_function</c>, the state can be any term
- and the state callback name is
+ and the <em>state callback</em> name is
<seealso marker="#Module:handle_event/4"><c>Module:handle_event/4</c></seealso>.
This makes it easy to branch depending on state or event as you desire.
Be careful about which events you handle in which
@@ -200,12 +200,36 @@ erlang:'!' -----> Module:StateName/3
forever creating an infinite busy loop.
</p>
<p>
- The <c>gen_statem</c> enqueues incoming events in order of arrival
- and presents these to the
- <seealso marker="#state callback">state callback</seealso>
- in that order. The state callback can postpone an event
- so it is not retried in the current state.
- After a state change the queue restarts with the postponed events.
+ When <c>gen_statem</c> receives a process message it is
+ converted into an event and the
+ <seealso marker="#state callback"><em>state callback</em></seealso>
+ is called with the event as two arguments: type and content.
+ When the
+ <seealso marker="#state callback"><em>state callback</em></seealso>
+ has processed the event it returns to <c>gen_statem</c>
+ which does a <em>state transition</em>.
+ If this <em>state transition</em> is to a different state,
+ that is: <c>NextState =/= State</c>, it is a <em>state change</em>.
+ </p>
+ <p>
+ The
+ <seealso marker="#state callback"><em>state callback</em></seealso>
+ may return
+ <seealso marker="#type-action"><em>transition actions</em></seealso>
+ for <c>gen_statem</c>
+ to execute during the <em>state transition</em>,
+ for example to reply to a
+ <seealso marker="#call/2"><c>gen_statem:call/2,3</c></seealso>.
+ </p>
+ <p>
+ One of the possible <em>transition actions</em>
+ is to postpone the current event.
+ Then it is not retried in the current state.
+ The <c>gen_statem</c> engine keeps a queue of events
+ divided into the postponed events
+ and the events still to process.
+ After a <em>state change</em> the queue restarts
+ with the postponed events.
</p>
<p>
The <c>gen_statem</c> event queue model is sufficient
@@ -215,13 +239,17 @@ erlang:'!' -----> Module:StateName/3
to entering a new receive statement.
</p>
<p>
- The <seealso marker="#state callback">state callback</seealso>
+ The
+ <seealso marker="#state callback"><em>state callback</em></seealso>
can insert events using the
- <seealso marker="#type-action"><c>action()</c></seealso>
+ <seealso marker="#type-action"><em>transition actions</em></seealso>
<c>next_event</c>
- and such an event is inserted as the next to present
- to the state callback. That is, as if it is
- the oldest incoming event. A dedicated
+ and such an event is inserted in the event queue
+ as the next to call the
+ <seealso marker="#state callback"><em>state callback</em></seealso>
+ with.
+ That is, as if it is the oldest incoming event.
+ A dedicated
<seealso marker="#type-event_type"><c>event_type()</c></seealso>
<c>internal</c> can be used for such events making them impossible
to mistake for external events.
@@ -236,24 +264,26 @@ erlang:'!' -----> Module:StateName/3
<p>
The <c>gen_statem</c> engine can automatically
make a specialized call to the
- <seealso marker="#state callback">state callback</seealso>
+ <seealso marker="#state callback"><em>state callback</em></seealso>
whenever a new state is entered; see
<seealso marker="#type-state_enter"><c>state_enter()</c></seealso>.
This is for writing code common to all state entries.
- Another way to do it is to insert an event at the state transition,
- and/or to use a dedicated state transition function,
+ Another way to do it is to explicitly insert an event
+ at the <em>state transition</em>,
+ and/or to use a dedicated <em>state transition</em> function,
but that is something you will have to remember
- at every state transition to the state(s) that need it.
+ at every <em>state transition</em> to the state(s) that need it.
</p>
<note>
<p>If you in <c>gen_statem</c>, for example, postpone
- an event in one state and then call another state callback
- of yours, you have not changed states and hence the postponed event
- is not retried, which is logical but can be confusing.
+ an event in one state and then call another <em>state callback</em>
+ of yours, you have not done a <em>state change</em>
+ and hence the postponed event is not retried,
+ which is logical but can be confusing.
</p>
</note>
<p>
- For the details of a state transition, see type
+ For the details of a <em>state transition</em>, see type
<seealso marker="#type-transition_option"><c>transition_option()</c></seealso>.
</p>
<p>
@@ -276,7 +306,8 @@ erlang:'!' -----> Module:StateName/3
The <c>gen_statem</c> process can go into hibernation; see
<seealso marker="proc_lib#hibernate/3"><c>proc_lib:hibernate/3</c></seealso>.
It is done when a
- <seealso marker="#state callback">state callback</seealso> or
+ <seealso marker="#state callback"><em>state callback</em></seealso>
+ or
<seealso marker="#Module:init/1"><c>Module:init/1</c></seealso>
specifies <c>hibernate</c> in the returned
<seealso marker="#type-action"><c>Actions</c></seealso>
@@ -551,7 +582,7 @@ handle_event(_, _, State, Data) ->
<seealso marker="#type-callback_mode"><em>callback mode</em></seealso>
is <c>handle_event_function</c>,
the state can be any term.
- After a state change (<c>NextState =/= State</c>),
+ After a <em>state change</em> (<c>NextState =/= State</c>),
all postponed events are retried.
</p>
</desc>
@@ -564,7 +595,7 @@ handle_event(_, _, State, Data) ->
<seealso marker="#type-callback_mode"><em>callback mode</em></seealso>
is <c>state_functions</c>,
the state must be of this type.
- After a state change (<c>NextState =/= State</c>),
+ After a <em>state change</em> (<c>NextState =/= State</c>),
all postponed events are retried.
</p>
</desc>
@@ -595,7 +626,7 @@ handle_event(_, _, State, Data) ->
</p>
<p>
<c>internal</c> events can only be generated by the
- state machine itself through the state transition action
+ state machine itself through the <em>transition action</em>
<seealso marker="#type-action"><c>next_event</c></seealso>.
</p>
</desc>
@@ -633,9 +664,9 @@ handle_event(_, _, State, Data) ->
This is the return type from
<seealso marker="#Module:callback_mode/0"><c>Module:callback_mode/0</c></seealso>
and selects
- <seealso marker="#type-callback_mode">callback mode</seealso>
+ <seealso marker="#type-callback_mode"><em>callback mode</em></seealso>
and whether to do
- <seealso marker="#type-state_enter">state enter calls</seealso>,
+ <seealso marker="#type-state_enter"><em>state enter calls</em></seealso>,
or not.
</p>
</desc>
@@ -684,13 +715,15 @@ handle_event(_, _, State, Data) ->
If
<seealso marker="#Module:callback_mode/0"><c>Module:callback_mode/0</c></seealso>
returns a list containing <c>state_enter</c>,
- the <c>gen_statem</c> engine will, at every state change,
+ the <c>gen_statem</c> engine will, at every <em>state change</em>,
call the
<seealso marker="#state callback">state callback</seealso>
with arguments <c>(enter, OldState, Data)</c>.
This may look like an event but is really a call
- performed after the previous state callback returned
- and before any event is delivered to the new state callback.
+ performed after the previous
+ <seealso marker="#state callback"><em>state callback</em></seealso>
+ returned and before any event is delivered to the new
+ <seealso marker="#state callback"><em>state callback</em></seealso>.
See
<seealso marker="#Module:StateName/3"><c>Module:StateName/3</c></seealso>
and
@@ -703,27 +736,27 @@ handle_event(_, _, State, Data) ->
<seealso marker="#type-state_callback_result">
<c>repeat_state_and_data</c>
</seealso>
- tuple from the state callback.
+ tuple from the <em>state callback</em>.
</p>
<p>
If
<seealso marker="#Module:callback_mode/0"><c>Module:callback_mode/0</c></seealso>
- does not return such a list, no state enter calls are done.
+ does not return such a list, no <em>state enter calls</em> are done.
</p>
<p>
If
<seealso marker="#Module:code_change/4"><c>Module:code_change/4</c></seealso>
should transform the state,
- it is regarded as a state rename and not a state change,
- which will not cause a state enter call.
+ it is regarded as a state rename and not a <em>state change</em>,
+ which will not cause a <em>state enter call</em>.
</p>
<p>
- Note that a state enter call <em>will</em> be done
+ Note that a <em>state enter call</em> <em>will</em> be done
right before entering the initial state even though this
- formally is not a state change.
- In this case <c>OldState</c> will be the same as <c>State</c>,
+ actually is not a <em>state change</em>.
+ In this case <c>OldState =:= State</c>,
which can not happen for a subsequent state change,
- but will happen when repeating the state enter call.
+ but will happen when repeating the <em>state enter call</em>.
</p>
</desc>
</datatype>
@@ -733,8 +766,11 @@ handle_event(_, _, State, Data) ->
<p>
Transition options can be set by
<seealso marker="#type-action">actions</seealso>
- and modify the state transition.
- Here are the sequence of steps for a state transition:
+ and modify the <em>state transition</em>.
+ The <em>state transition</em> takes place when the
+ <seealso marker="#state callback"><em>state callback</em></seealso>
+ has processed an event and returns.
+ Here are the sequence of steps for a <em>state transition</em>:
</p>
<list type="ordered">
<item>
@@ -765,7 +801,7 @@ handle_event(_, _, State, Data) ->
returned by the state callback that caused the state entry.
</p>
<p>
- Should this state enter call return any of
+ Should this <em>state enter call</em> return any of
the mentioned <c>repeat_*</c> callback results
it is repeated again, with the updated <c>Data</c>.
</p>
@@ -787,7 +823,8 @@ handle_event(_, _, State, Data) ->
</item>
<item>
<p>
- If the state changes, the queue of incoming events
+ If this is a <em>state change</em>,
+ the queue of incoming events
is reset to start with the oldest postponed.
</p>
</item>
@@ -821,7 +858,7 @@ handle_event(_, _, State, Data) ->
if the event queue is empty.
</p>
<p>
- A state change cancels a
+ A <em>state change</em> cancels a
<seealso marker="#type-state_timeout"><c>state_timeout()</c></seealso>
and any new transition option of this type
belongs to the new state.
@@ -830,7 +867,7 @@ handle_event(_, _, State, Data) ->
<item>
<p>
If there are enqueued events the
- <seealso marker="#state callback">state callback</seealso>
+ <seealso marker="#state callback"><em>state callback</em></seealso>
for the possibly new state
is called with the oldest enqueued event,
and we start again from the top of this list.
@@ -848,7 +885,7 @@ handle_event(_, _, State, Data) ->
the next incoming message awakens the <c>gen_statem</c>,
but if it is a system event it goes right back into hibernation.
When a new message arrives the
- <seealso marker="#state callback">state callback</seealso>
+ <seealso marker="#state callback"><em>state callback</em></seealso>
is called with the corresponding event,
and we start again from the top of this sequence.
</p>
@@ -861,7 +898,7 @@ handle_event(_, _, State, Data) ->
<desc>
<p>
If <c>true</c>, postpones the current event and retries
- it when the state changes
+ it after a <em>state change</em>
(<c>NextState =/= State</c>).
</p>
</desc>
@@ -1021,9 +1058,9 @@ handle_event(_, _, State, Data) ->
<name name="action"/>
<desc>
<p>
- These state transition actions can be invoked by
+ These <em>transition actions</em> can be invoked by
returning them from the
- <seealso marker="#state callback">state callback</seealso>
+ <seealso marker="#state callback"><em>state callback</em></seealso>
when it is called with an
<seealso marker="#type-event_type">event</seealso>,
from
@@ -1054,7 +1091,7 @@ handle_event(_, _, State, Data) ->
<c>transition_option()</c>
</seealso>
<seealso marker="#type-postpone"><c>postpone()</c></seealso>
- for this state transition.
+ for this <em>state transition</em>.
This action is ignored when returned from
<seealso marker="#Module:init/1"><c>Module:init/1</c></seealso>
or given to
@@ -1093,9 +1130,9 @@ handle_event(_, _, State, Data) ->
<name name="enter_action"/>
<desc>
<p>
- These state transition actions can be invoked by
+ These <em>transition actions</em> can be invoked by
returning them from the
- <seealso marker="#state callback">state callback</seealso>, from
+ <seealso marker="#state callback"><em>state callback</em></seealso>, from
<seealso marker="#Module:init/1"><c>Module:init/1</c></seealso>
or by giving them to
<seealso marker="#enter_loop/5"><c>enter_loop/5,6</c></seealso>.
@@ -1119,7 +1156,7 @@ handle_event(_, _, State, Data) ->
Sets the
<seealso marker="#type-transition_option"><c>transition_option()</c></seealso>
<seealso marker="#type-hibernate"><c>hibernate()</c></seealso>
- for this state transition.
+ for this <em>state transition</em>.
</p>
</item>
</taglist>
@@ -1129,9 +1166,9 @@ handle_event(_, _, State, Data) ->
<name name="timeout_action"/>
<desc>
<p>
- These state transition actions can be invoked by
+ These <em>transition actions</em> can be invoked by
returning them from the
- <seealso marker="#state callback">state callback</seealso>, from
+ <seealso marker="#state callback"><em>state callback</em></seealso>, from
<seealso marker="#Module:init/1"><c>Module:init/1</c></seealso>
or by giving them to
<seealso marker="#enter_loop/5"><c>enter_loop/5,6</c></seealso>.
@@ -1147,7 +1184,7 @@ handle_event(_, _, State, Data) ->
Short for <c>{timeout,Time,Time}</c>, that is,
the time-out message is the time-out time.
This form exists to make the
- <seealso marker="#state callback">state callback</seealso>
+ <seealso marker="#state callback"><em>state callback</em></seealso>
return value <c>{next_state,NextState,NewData,Time}</c>
allowed like for <c>gen_fsm</c>.
</p>
@@ -1193,9 +1230,9 @@ handle_event(_, _, State, Data) ->
<name name="reply_action"/>
<desc>
<p>
- This state transition action can be invoked by
+ This <em>transition action</em> can be invoked by
returning it from the
- <seealso marker="#state callback">state callback</seealso>, from
+ <seealso marker="#state callback"><em>state callback</em></seealso>, from
<seealso marker="#Module:init/1"><c>Module:init/1</c></seealso>
or by giving it to
<seealso marker="#enter_loop/5"><c>enter_loop/5,6</c></seealso>.
@@ -1210,7 +1247,7 @@ handle_event(_, _, State, Data) ->
<c><anno>From</anno></c> must be the term from argument
<seealso marker="#type-event_type"><c>{call,<anno>From</anno>}</c></seealso>
in a call to a
- <seealso marker="#state callback">state callback</seealso>.
+ <seealso marker="#state callback"><em>state callback</em></seealso>.
</p>
<p>
Note that using this action from
@@ -1219,7 +1256,7 @@ handle_event(_, _, State, Data) ->
<seealso marker="#enter_loop/5"><c>enter_loop/5,6</c></seealso>
would be weird on the border of witchcraft
since there has been no earlier call to a
- <seealso marker="#state callback">state callback</seealso>
+ <seealso marker="#state callback"><em>state callback</em></seealso>
in this server.
</p>
</desc>
@@ -1239,7 +1276,7 @@ handle_event(_, _, State, Data) ->
The <seealso marker="#type-action"><c>Actions</c></seealso>
are executed when entering the first
<seealso marker="#type-state">state</seealso> just as for a
- <seealso marker="#state callback">state callback</seealso>,
+ <seealso marker="#state callback"><em>state callback</em></seealso>,
except that the action <c>postpone</c> is forced to
<c>false</c> since there is no event to postpone.
</p>
@@ -1256,7 +1293,7 @@ handle_event(_, _, State, Data) ->
<desc>
<p>
<c><anno>State</anno></c> is the current state
- and it can not be changed since the state callback
+ and it cannot be changed since the state callback
was called with a
<seealso marker="#type-state_enter"><em>state enter call</em></seealso>.
</p>
@@ -1292,11 +1329,13 @@ handle_event(_, _, State, Data) ->
<tag><c>next_state</c></tag>
<item>
<p>
- The <c>gen_statem</c> does a state transition to
+ The <c>gen_statem</c> does a <em>state transition</em> to
<c><anno>NextState</anno></c>
(which can be the same as the current state),
sets <c><anno>NewData</anno></c>,
and executes all <c><anno>Actions</anno></c>.
+ If <c><anno>NextState</anno> =/= CurrentState</c>
+ the <em>state transition</em> is a <em>state change</em>.
</p>
</item>
</taglist>
@@ -1318,54 +1357,33 @@ handle_event(_, _, State, Data) ->
<tag><c>keep_state</c></tag>
<item>
<p>
- The <c>gen_statem</c> keeps the current state, or
- does a state transition to the current state if you like,
- sets <c><anno>NewData</anno></c>,
- and executes all <c><anno>Actions</anno></c>.
- This is the same as
+ The same as
<c>{next_state,CurrentState,<anno>NewData</anno>,<anno>Actions</anno>}</c>.
</p>
</item>
<tag><c>keep_state_and_data</c></tag>
<item>
<p>
- The <c>gen_statem</c> keeps the current state or
- does a state transition to the current state if you like,
- keeps the current server data,
- and executes all <c><anno>Actions</anno></c>.
- This is the same as
- <c>{next_state,CurrentState,CurrentData,<anno>Actions</anno>}</c>.
+ The same as
+ <c>{keep_state,CurrentData,<anno>Actions</anno>}</c>.
</p>
</item>
<tag><c>repeat_state</c></tag>
<item>
<p>
- The <c>gen_statem</c> keeps the current state, or
- does a state transition to the current state if you like,
- sets <c><anno>NewData</anno></c>,
- and executes all <c><anno>Actions</anno></c>.
If the <c>gen_statem</c> runs with
<seealso marker="#type-state_enter"><em>state enter calls</em></seealso>,
- the state enter call is repeated, see type
+ the <em>state enter call</em> is repeated, see type
<seealso marker="#type-transition_option"><c>transition_option()</c></seealso>,
- otherwise <c>repeat_state</c> is the same as
+ other than that <c>repeat_state</c> is the same as
<c>keep_state</c>.
</p>
</item>
<tag><c>repeat_state_and_data</c></tag>
<item>
<p>
- The <c>gen_statem</c> keeps the current state and data, or
- does a state transition to the current state if you like,
- and executes all <c><anno>Actions</anno></c>.
- This is the same as
+ The same as
<c>{repeat_state,CurrentData,<anno>Actions</anno>}</c>.
- If the <c>gen_statem</c> runs with
- <seealso marker="#type-state_enter"><em>state enter calls</em></seealso>,
- the state enter call is repeated, see type
- <seealso marker="#type-transition_option"><c>transition_option()</c></seealso>,
- otherwise <c>repeat_state_and_data</c> is the same as
- <c>keep_state_and_data</c>.
</p>
</item>
<tag><c>stop</c></tag>
@@ -1408,14 +1426,15 @@ handle_event(_, _, State, Data) ->
by sending a request
and waiting until its reply arrives.
The <c>gen_statem</c> calls the
- <seealso marker="#state callback">state callback</seealso> with
+ <seealso marker="#state callback"><em>state callback</em></seealso>
+ with
<seealso marker="#type-event_type"><c>event_type()</c></seealso>
<c>{call,From}</c> and event content
<c><anno>Request</anno></c>.
</p>
<p>
A <c><anno>Reply</anno></c> is generated when a
- <seealso marker="#state callback">state callback</seealso>
+ <seealso marker="#state callback"><em>state callback</em></seealso>
returns with
<c>{reply,From,<anno>Reply</anno>}</c> as one
<seealso marker="#type-action"><c>action()</c></seealso>,
@@ -1484,7 +1503,8 @@ handle_event(_, _, State, Data) ->
ignoring if the destination node or <c>gen_statem</c>
does not exist.
The <c>gen_statem</c> calls the
- <seealso marker="#state callback">state callback</seealso> with
+ <seealso marker="#state callback"><em>state callback</em></seealso>
+ with
<seealso marker="#type-event_type"><c>event_type()</c></seealso>
<c>cast</c> and event content
<c><anno>Msg</anno></c>.
@@ -1598,18 +1618,18 @@ handle_event(_, _, State, Data) ->
<seealso marker="#call/2"><c>call/2</c></seealso>
when the reply cannot be defined in
the return value of a
- <seealso marker="#state callback">state callback</seealso>.
+ <seealso marker="#state callback"><em>state callback</em></seealso>.
</p>
<p>
<c><anno>From</anno></c> must be the term from argument
<seealso marker="#type-event_type"><c>{call,<anno>From</anno>}</c></seealso>
to the
- <seealso marker="#state callback">state callback</seealso>.
+ <seealso marker="#state callback"><em>state callback</em></seealso>.
A reply or multiple replies canalso be sent
using one or several
<seealso marker="#type-reply_action"><c>reply_action()</c></seealso>s
from a
- <seealso marker="#state callback">state callback</seealso>.
+ <seealso marker="#state callback"><em>state callback</em></seealso>.
</p>
<note>
<p>
@@ -1826,7 +1846,7 @@ handle_event(_, _, State, Data) ->
for efficiency reasons, so this function is only called
once after server start and after code change,
but before the first
- <seealso marker="#state callback">state callback</seealso>
+ <seealso marker="#state callback"><em>state callback</em></seealso>
in the current code version is called.
More occasions may be added in future versions
of <c>gen_statem</c>.
@@ -1883,7 +1903,7 @@ handle_event(_, _, State, Data) ->
<p>
This callback is optional, so callback modules need not export it.
If a release upgrade/downgrade with
- <c>Change={advanced,Extra}</c>
+ <c>Change = {advanced,Extra}</c>
specified in the <c>.appup</c> file is made
when <c>code_change/4</c> is not implemented
the process will crash with exit reason <c>undef</c>.
@@ -1893,7 +1913,7 @@ handle_event(_, _, State, Data) ->
This function is called by a <c>gen_statem</c> when it is to
update its internal state during a release upgrade/downgrade,
that is, when the instruction <c>{update,Module,Change,...}</c>,
- where <c>Change={advanced,Extra}</c>, is specified in the
+ where <c>Change = {advanced,Extra}</c>, is specified in the
<seealso marker="sasl:appup"><c>appup</c></seealso>
file. For more information, see
<seealso marker="doc/design_principles:release_handling#instr">OTP Design Principles</seealso>.
@@ -1922,7 +1942,7 @@ handle_event(_, _, State, Data) ->
<p>
If the function returns a failure <c>Reason</c>, the ongoing
upgrade fails and rolls back to the old release.
- Note that <c>Reason</c> can not be an <c>{ok,_,_}</c> tuple
+ Note that <c>Reason</c> cannot be an <c>{ok,_,_}</c> tuple
since that will be regarded as a
<c>{ok,NewState,NewData}</c> tuple,
and that a tuple matching <c>{ok,_}</c>
@@ -1933,13 +1953,13 @@ handle_event(_, _, State, Data) ->
<p>
Also note when upgrading a <c>gen_statem</c>,
this function and hence
- the <c>Change={advanced,Extra}</c> parameter in the
+ the <c>Change = {advanced,Extra}</c> parameter in the
<seealso marker="sasl:appup"><c>appup</c></seealso> file
is not only needed to update the internal state
or to act on the <c>Extra</c> argument.
It is also needed if an upgrade or downgrade should change
<seealso marker="#type-callback_mode"><em>callback mode</em></seealso>,
- or else the callback mode after the code change
+ or else the <em>callback mode</em> after the code change
will not be honoured,
most probably causing a server crash.
</p>
@@ -2148,7 +2168,7 @@ init(Args) -> erlang:error(not_implemented, [Args]).</pre>
<seealso marker="#type-event_type"><c>{call,From}</c></seealso>,
the caller waits for a reply. The reply can be sent
from this or from any other
- <seealso marker="#state callback">state callback</seealso>
+ <seealso marker="#state callback"><em>state callback</em></seealso>
by returning with <c>{reply,From,Reply}</c> in
<seealso marker="#type-action"><c>Actions</c></seealso>, in
<seealso marker="#type-reply_action"><c>Replies</c></seealso>,
@@ -2173,9 +2193,9 @@ init(Args) -> erlang:error(not_implemented, [Args]).</pre>
</p>
<p>
When the <c>gen_statem</c> runs with
- <seealso marker="#type-state_enter">state enter calls</seealso>,
+ <seealso marker="#type-state_enter"><em>state enter calls</em></seealso>,
these functions are also called with arguments
- <c>(enter, OldState, ...)</c> whenever the state changes.
+ <c>(enter, OldState, ...)</c> during every <em>state change</em>.
In this case there are some restrictions on the
<seealso marker="#type-enter_action">actions</seealso>
that may be returned:
@@ -2208,7 +2228,7 @@ init(Args) -> erlang:error(not_implemented, [Args]).</pre>
<seealso marker="erts:erlang#throw/1"><c>throw</c></seealso>
to return the result, which can be useful.
For example to bail out with <c>throw(keep_state_and_data)</c>
- from deep within complex code that can not
+ from deep within complex code that cannot
return <c>{next_state,State,Data}</c> because
<c>State</c> or <c>Data</c> is no longer in scope.
</p>
diff --git a/lib/stdlib/doc/src/maps.xml b/lib/stdlib/doc/src/maps.xml
index a225dea3b5..4c5199ca2b 100644
--- a/lib/stdlib/doc/src/maps.xml
+++ b/lib/stdlib/doc/src/maps.xml
@@ -35,9 +35,10 @@
<datatypes>
<datatype>
- <name name="iterator"/>
+ <name name="iterator" n_vars="2"/>
<desc>
- <p>An iterator representing the key value associations in a map.</p>
+ <p>An iterator representing the associations in a map with keys of type
+ <c><anno>Key</anno></c> and values of type <c><anno>Value</anno></c>.</p>
<p>Created using <seealso marker="#iterator-1"><c>maps:iterator/1</c></seealso>.</p>
<p>Consumed by <seealso marker="#next-1"><c>maps:next/1</c></seealso>,
<seealso marker="#filter-2"><c>maps:filter/2</c></seealso>,
@@ -45,6 +46,10 @@
<seealso marker="#map-2"><c>maps:map/2</c></seealso>.</p>
</desc>
</datatype>
+
+ <datatype>
+ <name name="iterator" n_vars="0"/>
+ </datatype>
</datatypes>
<funcs>
@@ -90,13 +95,13 @@
<name name="fold" arity="3"/>
<fsummary></fsummary>
<desc>
- <p>Calls <c>F(K, V, AccIn)</c> for every <c><anno>K</anno></c> to value
- <c><anno>V</anno></c> association in <c><anno>MapOrIter</anno></c> in
- any order. Function <c>fun F/3</c> must return a new
- accumulator, which is passed to the next successive call.
- This function returns the final value of the accumulator. The initial
- accumulator value <c><anno>Init</anno></c> is returned if the map is
- empty.</p>
+ <p>Calls <c>F(Key, Value, AccIn)</c> for every <c><anno>Key</anno></c>
+ to value <c><anno>Value</anno></c> association in
+ <c><anno>MapOrIter</anno></c> in any order. Function <c>fun F/3</c>
+ must return a new accumulator, which is passed to the next successive
+ call. This function returns the final value of the accumulator.
+ The initial accumulator value <c><anno>Init</anno></c> is returned
+ if the map is empty.</p>
<p>The call fails with a <c>{badmap,Map}</c> exception if
<c><anno>MapOrIter</anno></c> is not a map or valid iterator,
or with <c>badarg</c> if <c><anno>Fun</anno></c> is not a
@@ -234,11 +239,12 @@ none</code>
<fsummary></fsummary>
<desc>
<p>Produces a new map <c><anno>Map</anno></c> by calling function
- <c>fun F(K, V1)</c> for every <c><anno>K</anno></c> to value
- <c><anno>V1</anno></c> association in <c><anno>MapOrIter</anno></c> in
- any order. Function <c>fun F/2</c> must return value
- <c><anno>V2</anno></c> to be associated with key <c><anno>K</anno></c>
- for the new map <c><anno>Map</anno></c>.</p>
+ <c>fun F(Key, Value1)</c> for every <c><anno>Key</anno></c> to value
+ <c><anno>Value1</anno></c> association in
+ <c><anno>MapOrIter</anno></c> in any order. Function <c>fun Fun/2</c>
+ must return value <c><anno>Value2</anno></c> to be associated with
+ key <c><anno>Key</anno></c> for the new map
+ <c><anno>Map</anno></c>.</p>
<p>The call fails with a <c>{badmap,Map}</c> exception if
<c><anno>MapOrIter</anno></c> is not a map or valid iterator,
or with <c>badarg</c> if <c><anno>Fun</anno></c> is not a
diff --git a/lib/stdlib/doc/src/notes.xml b/lib/stdlib/doc/src/notes.xml
index 712a474b0b..8b6de03f5f 100644
--- a/lib/stdlib/doc/src/notes.xml
+++ b/lib/stdlib/doc/src/notes.xml
@@ -3659,7 +3659,7 @@
you use erlang:halt/2 with an integer first argument and
an option list containing {flush,false} as the second
argument. Note that now is flushing not dependant of the
- exit code, and you can not only flush async threads
+ exit code, and you cannot only flush async threads
operations which we deemed as a strange behaviour anyway.
</p>
<p>Also, erlang:halt/1,2 has gotten a new feature: If the
@@ -4173,9 +4173,9 @@
Supervisors should not save child-specs for temporary
processes when they terminate as they should not be
restarted. Saving the temporary child spec will result in
- that you can not start a new temporary process with the
+ that you cannot start a new temporary process with the
same child spec as an already terminated temporary
- process. Since R14B02 you can not restart a temporary
+ process. Since R14B02 you cannot restart a temporary
temporary process as arguments are no longer saved, it
has however always been semantically incorrect to restart
a temporary process. Thanks to Filipe David Manana for
diff --git a/lib/stdlib/doc/src/rand.xml b/lib/stdlib/doc/src/rand.xml
index 21f680a0ee..25eec216ef 100644
--- a/lib/stdlib/doc/src/rand.xml
+++ b/lib/stdlib/doc/src/rand.xml
@@ -67,6 +67,26 @@
<p>Xorshift1024*, 64 bits precision and a period of 2^1024-1</p>
<p>Jump function: equivalent to 2^512 calls</p>
</item>
+ <tag><c>exro928ss</c></tag>
+ <item>
+ <p>Xoroshiro928**, 58 bits precision and a period of 2^928-1</p>
+ <p>Jump function: equivalent to 2^512 calls</p>
+ <p>
+ This is a 58 bit version of Xoroshiro1024**,
+ from the 2018 paper by David Blackman and Sebastiano Vigna:
+ <url href="http://vigna.di.unimi.it/ftp/papers/ScrambledLinear.pdf">
+ Scrambled Linear Pseudorandom Number Generators
+ </url>
+ that on a 64 bit Erlang system executes only about 30% slower than
+ the default <c>exrop</c> algorithm but with much longer period
+ and better statistical properties, and on the flip side
+ a larger state.
+ </p>
+ <p>
+ Many thanks to Sebastiano Vigna for his help with
+ the 58 bit adaption.
+ </p>
+ </item>
<tag><c>exsp</c></tag>
<item>
<p>Xorshift116+, 58 bits precision and period of 2^116-1</p>
@@ -195,8 +215,8 @@ SND0 = math:sqrt(-2 * math:log(R5)) * math:cos(math:pi() * R6)</pre>
</note>
<p>
- For all these generators the lowest bit(s) has got
- a slightly less random behaviour than all other bits.
+ For all these generators except <c>exro928ss</c> the lowest bit(s)
+ has got a slightly less random behaviour than all other bits.
1 bit for <c>exrop</c> (and <c>exsp</c>),
and 3 bits for <c>exs1024s</c>.
See for example the explanation in the
@@ -254,11 +274,32 @@ tests. We suggest to use a sign test to extract a random Boolean value.</pre>
</desc>
</datatype>
<datatype>
- <name name="exs64_state"/>
- <desc><p>Algorithm specific internal state</p></desc>
+ <name name="seed"/>
+ <desc>
+ <p>
+ A seed value for the generator.
+ </p>
+ <p>
+ A list of integers sets the generator's internal state directly,
+ after algorithm-dependent checks of the value
+ and masking to the proper word size.
+ </p>
+ <p>
+ An integer is used as the initial state for a SplitMix64 generator.
+ The output values of that is then used for setting
+ the generator's internal state
+ after masking to the proper word size
+ and if needed avoiding zero values.
+ </p>
+ <p>
+ A traditional 3-tuple of integers seed is passed through
+ algorithm-dependent hashing functions to create
+ the generator's initial state.
+ </p>
+ </desc>
</datatype>
<datatype>
- <name name="exsplus_state"/>
+ <name name="exrop_state"/>
<desc><p>Algorithm specific internal state</p></desc>
</datatype>
<datatype>
@@ -266,7 +307,15 @@ tests. We suggest to use a sign test to extract a random Boolean value.</pre>
<desc><p>Algorithm specific internal state</p></desc>
</datatype>
<datatype>
- <name name="exrop_state"/>
+ <name name="exro928_state"/>
+ <desc><p>Algorithm specific internal state</p></desc>
+ </datatype>
+ <datatype>
+ <name name="exsplus_state"/>
+ <desc><p>Algorithm specific internal state</p></desc>
+ </datatype>
+ <datatype>
+ <name name="exs64_state"/>
<desc><p>Algorithm specific internal state</p></desc>
</datatype>
</datatypes>
diff --git a/lib/stdlib/include/assert.hrl b/lib/stdlib/include/assert.hrl
index 2ec89e7d8a..28d25c6589 100644
--- a/lib/stdlib/include/assert.hrl
+++ b/lib/stdlib/include/assert.hrl
@@ -140,7 +140,7 @@
-endif.
%% This is mostly a convenience which gives more detailed reports.
-%% Note: Guard is a guarded pattern, and can not be used for value.
+%% Note: Guard is a guarded pattern, and cannot be used for value.
-ifdef(NOASSERT).
-define(assertMatch(Guard, Expr), ok).
-define(assertMatch(Guard, Expr, Comment), ok).
@@ -289,7 +289,7 @@
end).
-endif.
-%% Note: Class and Term are patterns, and can not be used for value.
+%% Note: Class and Term are patterns, and cannot be used for value.
%% Term can be a guarded pattern, but Class cannot.
-ifdef(NOASSERT).
-define(assertException(Class, Term, Expr), ok).
@@ -364,7 +364,7 @@
?assertException(throw, Term, Expr, Comment)).
%% This is the inverse case of assertException, for convenience.
-%% Note: Class and Term are patterns, and can not be used for value.
+%% Note: Class and Term are patterns, and cannot be used for value.
%% Both Class and Term can be guarded patterns.
-ifdef(NOASSERT).
-define(assertNotException(Class, Term, Expr), ok).
diff --git a/lib/stdlib/src/erl_posix_msg.erl b/lib/stdlib/src/erl_posix_msg.erl
index 8959fea498..b9ed4a3a9d 100644
--- a/lib/stdlib/src/erl_posix_msg.erl
+++ b/lib/stdlib/src/erl_posix_msg.erl
@@ -81,9 +81,9 @@ message_1(el2hlt) -> <<"level 2 halted">>;
message_1(el2nsync) -> <<"level 2 not synchronized">>;
message_1(el3hlt) -> <<"level 3 halted">>;
message_1(el3rst) -> <<"level 3 reset">>;
-message_1(elibacc) -> <<"can not access a needed shared library">>;
+message_1(elibacc) -> <<"cannot access a needed shared library">>;
message_1(elibbad) -> <<"accessing a corrupted shared library">>;
-message_1(elibexec) -> <<"can not exec a shared library directly">>;
+message_1(elibexec) -> <<"cannot exec a shared library directly">>;
message_1(elibmax) ->
<<"attempting to link in more shared libraries than system limit">>;
message_1(elibscn) -> <<".lib section in a.out corrupted">>;
diff --git a/lib/stdlib/src/gen_statem.erl b/lib/stdlib/src/gen_statem.erl
index faa43fbc1e..24b268cd38 100644
--- a/lib/stdlib/src/gen_statem.erl
+++ b/lib/stdlib/src/gen_statem.erl
@@ -330,6 +330,7 @@
%% Type validation functions
+%% - return true if the value is of the type, false otherwise
-compile(
{inline,
[callback_mode/1, state_enter/1,
@@ -1277,7 +1278,7 @@ parse_actions(StateCall, Debug, S, [Action|Actions], TransOpts) ->
end.
parse_actions_reply(
- StateCall, ?not_sys_debug, S, Actions, TransOpts,
+ StateCall, ?not_sys_debug = Debug, S, Actions, TransOpts,
From, Reply) ->
%%
case from(From) of
@@ -1287,8 +1288,7 @@ parse_actions_reply(
false ->
[error,
{bad_action_from_state_function,{reply,From,Reply}},
- ?STACKTRACE(),
- ?not_sys_debug]
+ ?STACKTRACE(), Debug]
end;
parse_actions_reply(
StateCall, Debug, #state{name = Name, state = State} = S,
@@ -1302,12 +1302,11 @@ parse_actions_reply(
false ->
[error,
{bad_action_from_state_function,{reply,From,Reply}},
- ?STACKTRACE(),
- Debug]
+ ?STACKTRACE(), Debug]
end.
parse_actions_next_event(
- StateCall, ?not_sys_debug, S,
+ StateCall, ?not_sys_debug = Debug, S,
Actions, TransOpts, Type, Content) ->
case event_type(Type) of
true when StateCall ->
@@ -1320,8 +1319,7 @@ parse_actions_next_event(
[error,
{bad_state_enter_action_from_state_function,
{next_event,Type,Content}},
- ?STACKTRACE(),
- ?not_sys_debug]
+ ?STACKTRACE(), Debug]
end;
parse_actions_next_event(
StateCall, Debug, #state{name = Name, state = State} = S,
@@ -1403,13 +1401,13 @@ parse_actions_timeout_add(
loop_event_done(
Parent, ?not_sys_debug,
#state{postponed = P} = S,
+%% #state{postponed = will_not_happen = P} = S,
Events, Event, NextState, NewData,
#trans_opts{
postpone = Postpone, hibernate = Hibernate,
- timeouts_r = [], next_events_r = []}) ->
+ timeouts_r = [], next_events_r = NextEventsR}) ->
%%
- %% Optimize the simple cases
- %% i.e no timer changes, no inserted events and no debug,
+ %% Optimize the simple cases i.e no debug and no timer changes,
%% by duplicate stripped down code
%%
%% Fast path
@@ -1417,14 +1415,12 @@ loop_event_done(
case Postpone of
true ->
loop_event_done_fast(
- Parent, Hibernate,
- S,
- Events, [Event|P], NextState, NewData);
+ Parent, Hibernate, S,
+ Events, [Event|P], NextState, NewData, NextEventsR);
false ->
loop_event_done_fast(
- Parent, Hibernate,
- S,
- Events, P, NextState, NewData)
+ Parent, Hibernate, S,
+ Events, P, NextState, NewData, NextEventsR)
end;
loop_event_done(
Parent, Debug_0,
@@ -1456,26 +1452,23 @@ loop_event_done(
{S#state.name,State},
{consume,Event_0,NextState})|P_0]
end,
- {Events_2,P_2,Timers_2} =
- %% Move all postponed events to queue,
- %% cancel the event timer,
- %% and cancel the state timeout if the state changes
- if
- NextState =:= State ->
- {Events_0,P_1,
+ {Events_2,P_2,
+ Timers_2} =
+ %% Cancel the event timeout
+ if
+ NextState =:= State ->
+ {Events_0,P_1,
cancel_timer_by_type(
timeout, {TimerTypes_0,CancelTimers_0})};
- true ->
- {lists:reverse(P_1, Events_0),
- [],
- cancel_timer_by_type(
- state_timeout,
+ true ->
+ %% Move all postponed events to queue
+ %% and cancel the state timeout
+ {lists:reverse(P_1, Events_0),[],
+ cancel_timer_by_type(
+ state_timeout,
cancel_timer_by_type(
timeout, {TimerTypes_0,CancelTimers_0}))}
- %% The state timer is removed from TimerTypes
- %% but remains in TimerRefs until we get
- %% the cancel_timer msg
- end,
+ end,
{TimerRefs_3,{TimerTypes_3,CancelTimers_3},TimeoutEvents} =
%% Stop and start timers
parse_timers(TimerRefs_0, Timers_2, TimeoutsR),
@@ -1495,114 +1488,144 @@ loop_event_done(
hibernate = Hibernate},
lists:reverse(Events_4R)).
+loop_event_done(Parent, Debug, S, Q) ->
+%% io:format(
+%% "loop_event_done:~n"
+%% " state = ~p, data = ~p, postponed = ~p~n "
+%% " timer_refs = ~p, timer_types = ~p, cancel_timers = ~p.~n"
+%% " Q = ~p.~n",
+%% [S#state.state,S#state.data,S#state.postponed,
+%% S#state.timer_refs,S#state.timer_types,S#state.cancel_timers,
+%% Q]),
+ case Q of
+ [] ->
+ %% Get a new event
+ loop(Parent, Debug, S);
+ [{Type,Content}|Events] ->
+ %% Loop until out of enqueued events
+ loop_event(Parent, Debug, S, Events, Type, Content)
+ end.
+
+
%% Fast path
%%
+%% Cancel event timer and state timer only if running
loop_event_done_fast(
Parent, Hibernate,
#state{
state = NextState,
- timer_types = #{timeout := _} = TimerTypes,
+ timer_types = TimerTypes,
cancel_timers = CancelTimers} = S,
- Events, P, NextState, NewData) ->
- %%
- %% Same state, event timeout active
- %%
- loop_event_done_fast(
- Parent, Hibernate, S,
- Events, P, NextState, NewData,
- cancel_timer_by_type(
- timeout, {TimerTypes,CancelTimers}));
-loop_event_done_fast(
- Parent, Hibernate,
- #state{state = NextState} = S,
- Events, P, NextState, NewData) ->
- %%
+ Events, P, NextState, NewData, NextEventsR) ->
%% Same state
- %%
- loop_event_done(
- Parent, ?not_sys_debug,
- S#state{
- data = NewData,
- postponed = P,
- hibernate = Hibernate},
- Events);
-loop_event_done_fast(
- Parent, Hibernate,
- #state{
- timer_types = #{timeout := _} = TimerTypes,
- cancel_timers = CancelTimers} = S,
- Events, P, NextState, NewData) ->
- %%
- %% State change, event timeout active
- %%
- loop_event_done_fast(
- Parent, Hibernate, S,
- lists:reverse(P, Events), [], NextState, NewData,
- cancel_timer_by_type(
- state_timeout,
- cancel_timer_by_type(
- timeout, {TimerTypes,CancelTimers})));
+ case TimerTypes of
+ #{timeout := _} ->
+ %% Event timeout active
+ loop_event_done_fast_2(
+ Parent, Hibernate, S,
+ Events, P, NextState, NewData, NextEventsR,
+ cancel_timer_by_type(
+ timeout, {TimerTypes,CancelTimers}));
+ _ ->
+ %% No event timeout active
+ loop_event_done_fast_2(
+ Parent, Hibernate, S,
+ Events, P, NextState, NewData, NextEventsR,
+ {TimerTypes,CancelTimers})
+ end;
loop_event_done_fast(
Parent, Hibernate,
#state{
- timer_types = #{state_timeout := _} = TimerTypes,
+ timer_types = TimerTypes,
cancel_timers = CancelTimers} = S,
- Events, P, NextState, NewData) ->
- %%
- %% State change, state timeout active
- %%
- loop_event_done_fast(
- Parent, Hibernate, S,
- lists:reverse(P, Events), [], NextState, NewData,
- cancel_timer_by_type(
- state_timeout,
- cancel_timer_by_type(
- timeout, {TimerTypes,CancelTimers})));
+ Events, P, NextState, NewData, NextEventsR) ->
+ %% State change
+ case TimerTypes of
+ #{timeout := _} ->
+ %% Event timeout active
+ %% - cancel state_timeout too since it is faster than inspecting
+ loop_event_done_fast(
+ Parent, Hibernate, S,
+ Events, P, NextState, NewData, NextEventsR,
+ cancel_timer_by_type(
+ state_timeout,
+ cancel_timer_by_type(
+ timeout, {TimerTypes,CancelTimers})));
+ #{state_timeout := _} ->
+ %% State_timeout active but not event timeout
+ loop_event_done_fast(
+ Parent, Hibernate, S,
+ Events, P, NextState, NewData, NextEventsR,
+ cancel_timer_by_type(
+ state_timeout, {TimerTypes,CancelTimers}));
+ _ ->
+ %% No event nor state_timeout active
+ loop_event_done_fast(
+ Parent, Hibernate, S,
+ Events, P, NextState, NewData, NextEventsR,
+ {TimerTypes,CancelTimers})
+ end.
+%%
+%% Retry postponed events
loop_event_done_fast(
- Parent, Hibernate,
- #state{} = S,
- Events, P, NextState, NewData) ->
- %%
- %% State change, no timeout to automatically cancel
- %%
- loop_event_done(
- Parent, ?not_sys_debug,
- S#state{
- state = NextState,
- data = NewData,
- postponed = [],
- hibernate = Hibernate},
- lists:reverse(P, Events)).
+ Parent, Hibernate, S,
+ Events, P, NextState, NewData, NextEventsR, TimerTypes_CancelTimers) ->
+ case P of
+ %% Handle 0..2 postponed events without list reversal since
+ %% that will move out all live registers and back again
+ [] ->
+ loop_event_done_fast_2(
+ Parent, Hibernate, S,
+ Events, [], NextState, NewData, NextEventsR,
+ TimerTypes_CancelTimers);
+ [E] ->
+ loop_event_done_fast_2(
+ Parent, Hibernate, S,
+ [E|Events], [], NextState, NewData, NextEventsR,
+ TimerTypes_CancelTimers);
+ [E1,E2] ->
+ loop_event_done_fast_2(
+ Parent, Hibernate, S,
+ [E2,E1|Events], [], NextState, NewData, NextEventsR,
+ TimerTypes_CancelTimers);
+ _ ->
+ %% A bit slower path
+ loop_event_done_fast_2(
+ Parent, Hibernate, S,
+ lists:reverse(P, Events), [], NextState, NewData, NextEventsR,
+ TimerTypes_CancelTimers)
+ end.
%%
%% Fast path
%%
-loop_event_done_fast(
+loop_event_done_fast_2(
Parent, Hibernate, S,
- Events, P, NextState, NewData,
+ Events, P, NextState, NewData, NextEventsR,
{TimerTypes,CancelTimers}) ->
%%
- loop_event_done(
- Parent, ?not_sys_debug,
- S#state{
- state = NextState,
- data = NewData,
- postponed = P,
- timer_types = TimerTypes,
- cancel_timers = CancelTimers,
- hibernate = Hibernate},
- Events).
-
-loop_event_done(Parent, Debug, S, Q) ->
- case Q of
+ NewS =
+ S#state{
+ state = NextState,
+ data = NewData,
+ postponed = P,
+ timer_types = TimerTypes,
+ cancel_timers = CancelTimers,
+ hibernate = Hibernate},
+ case NextEventsR of
+ %% Handle 0..2 next events without list reversal since
+ %% that will move out all live registers and back again
[] ->
- %% Get a new event
- loop(Parent, Debug, S);
- [{Type,Content}|Events] ->
- %% Loop until out of enqueued events
- loop_event(Parent, Debug, S, Events, Type, Content)
+ loop_event_done(Parent, ?not_sys_debug, NewS, Events);
+ [E] ->
+ loop_event_done(Parent, ?not_sys_debug, NewS, [E|Events]);
+ [E2,E1] ->
+ loop_event_done(Parent, ?not_sys_debug, NewS, [E1,E2|Events]);
+ _ ->
+ %% A bit slower path
+ loop_event_done(
+ Parent, ?not_sys_debug, NewS, lists:reverse(NextEventsR, Events))
end.
-
%%---------------------------------------------------------------------------
%% Server loop helpers
diff --git a/lib/stdlib/src/maps.erl b/lib/stdlib/src/maps.erl
index 60463feec2..51965ddb57 100644
--- a/lib/stdlib/src/maps.erl
+++ b/lib/stdlib/src/maps.erl
@@ -21,7 +21,7 @@
-module(maps).
-export([get/3, filter/2,fold/3,
- map/2, size/1,
+ map/2, size/1, new/0,
update_with/3, update_with/4,
without/2, with/2,
iterator/1, next/1]).
@@ -29,13 +29,15 @@
%% BIFs
-export([get/2, find/2, from_list/1,
is_key/2, keys/1, merge/2,
- new/0, put/3, remove/2, take/2,
+ put/3, remove/2, take/2,
to_list/1, update/3, values/1]).
--opaque iterator() :: {term(), term(), iterator()}
- | none | nonempty_improper_list(integer(),map()).
+-opaque iterator(Key, Value) :: {Key, Value, iterator(Key, Value)} | none
+ | nonempty_improper_list(integer(), #{Key => Value}).
--export_type([iterator/0]).
+-type iterator() :: iterator(term(), term()).
+
+-export_type([iterator/2, iterator/0]).
-dialyzer({no_improper_lists, iterator/1}).
@@ -50,9 +52,7 @@
get(_,_) -> erlang:nif_error(undef).
-spec find(Key,Map) -> {ok, Value} | error when
- Key :: term(),
- Map :: map(),
- Value :: term().
+ Map :: #{Key => Value, _ => _}.
find(_,_) -> erlang:nif_error(undef).
@@ -75,9 +75,8 @@ is_key(_,_) -> erlang:nif_error(undef).
-spec keys(Map) -> Keys when
- Map :: map(),
- Keys :: [Key],
- Key :: term().
+ Map :: #{Key => _},
+ Keys :: [Key].
keys(_) -> erlang:nif_error(undef).
@@ -91,13 +90,6 @@ keys(_) -> erlang:nif_error(undef).
merge(_,_) -> erlang:nif_error(undef).
-
--spec new() -> Map when
- Map :: map().
-
-new() -> erlang:nif_error(undef).
-
-
%% Shadowed by erl_bif_types: maps:put/3
-spec put(Key,Value,Map1) -> Map2 when
Key :: term(),
@@ -116,17 +108,13 @@ put(_,_,_) -> erlang:nif_error(undef).
remove(_,_) -> erlang:nif_error(undef).
-spec take(Key,Map1) -> {Value,Map2} | error when
- Key :: term(),
- Map1 :: map(),
- Value :: term(),
- Map2 :: map().
+ Map1 :: #{Key => Value, _ => _},
+ Map2 :: #{_ => _}.
take(_,_) -> erlang:nif_error(undef).
-spec to_list(Map) -> [{Key,Value}] when
- Map :: map(),
- Key :: term(),
- Value :: term().
+ Map :: #{Key => Value}.
to_list(Map) when is_map(Map) ->
to_list_internal(erts_internal:map_next(0, Map, []));
@@ -140,79 +128,69 @@ to_list_internal(Acc) ->
%% Shadowed by erl_bif_types: maps:update/3
-spec update(Key,Value,Map1) -> Map2 when
- Key :: term(),
- Value :: term(),
- Map1 :: map(),
- Map2 :: map().
+ Map1 :: #{Key := _, _ => _},
+ Map2 :: #{Key := Value, _ => _}.
update(_,_,_) -> erlang:nif_error(undef).
-spec values(Map) -> Values when
- Map :: map(),
- Values :: [Value],
- Value :: term().
+ Map :: #{_ => Value},
+ Values :: [Value].
values(_) -> erlang:nif_error(undef).
%% End of BIFs
+-spec new() -> Map when
+ Map :: #{}.
+
+new() -> #{}.
+
-spec update_with(Key,Fun,Map1) -> Map2 when
- Key :: term(),
- Map1 :: map(),
- Map2 :: map(),
- Fun :: fun((Value1 :: term()) -> Value2 :: term()).
+ Map1 :: #{Key := Value1, _ => _},
+ Map2 :: #{Key := Value2, _ => _},
+ Fun :: fun((Value1) -> Value2).
update_with(Key,Fun,Map) when is_function(Fun,1), is_map(Map) ->
- try maps:get(Key,Map) of
- Val -> maps:update(Key,Fun(Val),Map)
- catch
- error:{badkey,_} ->
- erlang:error({badkey,Key},[Key,Fun,Map])
+ case Map of
+ #{Key := Value} -> Map#{Key := Fun(Value)};
+ #{} -> erlang:error({badkey,Key},[Key,Fun,Map])
end;
update_with(Key,Fun,Map) ->
erlang:error(error_type(Map),[Key,Fun,Map]).
-spec update_with(Key,Fun,Init,Map1) -> Map2 when
- Key :: term(),
- Map1 :: Map1,
- Map2 :: Map2,
- Fun :: fun((Value1 :: term()) -> Value2 :: term()),
- Init :: term().
+ Map1 :: #{Key => Value1, _ => _},
+ Map2 :: #{Key := Value2 | Init, _ => _},
+ Fun :: fun((Value1) -> Value2).
update_with(Key,Fun,Init,Map) when is_function(Fun,1), is_map(Map) ->
- case maps:find(Key,Map) of
- {ok,Val} -> maps:update(Key,Fun(Val),Map);
- error -> maps:put(Key,Init,Map)
+ case Map of
+ #{Key := Value} -> Map#{Key := Fun(Value)};
+ #{} -> Map#{Key => Init}
end;
update_with(Key,Fun,Init,Map) ->
erlang:error(error_type(Map),[Key,Fun,Init,Map]).
-spec get(Key, Map, Default) -> Value | Default when
- Key :: term(),
- Map :: map(),
- Value :: term(),
- Default :: term().
+ Map :: #{Key => Value, _ => _}.
get(Key,Map,Default) when is_map(Map) ->
- case maps:find(Key, Map) of
- {ok, Value} ->
- Value;
- error ->
- Default
+ case Map of
+ #{Key := Value} -> Value;
+ #{} -> Default
end;
get(Key,Map,Default) ->
erlang:error({badmap,Map},[Key,Map,Default]).
--spec filter(Pred,MapOrIter) -> Map when
+-spec filter(Pred, MapOrIter) -> Map when
Pred :: fun((Key, Value) -> boolean()),
- Key :: term(),
- Value :: term(),
- MapOrIter :: map() | iterator(),
- Map :: map().
+ MapOrIter :: #{Key => Value} | iterator(Key, Value),
+ Map :: #{Key => Value}.
filter(Pred,Map) when is_function(Pred,2), is_map(Map) ->
maps:from_list(filter_1(Pred, iterator(Map)));
@@ -235,14 +213,11 @@ filter_1(Pred, Iter) ->
end.
-spec fold(Fun,Init,MapOrIter) -> Acc when
- Fun :: fun((K, V, AccIn) -> AccOut),
+ Fun :: fun((Key, Value, AccIn) -> AccOut),
Init :: term(),
- Acc :: term(),
- AccIn :: term(),
- AccOut :: term(),
- MapOrIter :: map() | iterator(),
- K :: term(),
- V :: term().
+ Acc :: AccOut,
+ AccIn :: Init | AccOut,
+ MapOrIter :: #{Key => Value} | iterator(Key, Value).
fold(Fun,Init,Map) when is_function(Fun,3), is_map(Map) ->
fold_1(Fun,Init,iterator(Map));
@@ -260,12 +235,9 @@ fold_1(Fun, Acc, Iter) ->
end.
-spec map(Fun,MapOrIter) -> Map when
- Fun :: fun((K, V1) -> V2),
- MapOrIter :: map() | iterator(),
- Map :: map(),
- K :: term(),
- V1 :: term(),
- V2 :: term().
+ Fun :: fun((Key, Value1) -> Value2),
+ MapOrIter :: #{Key => Value1} | iterator(Key, Value1),
+ Map :: #{Key => Value2}.
map(Fun,Map) when is_function(Fun, 2), is_map(Map) ->
maps:from_list(map_1(Fun, iterator(Map)));
@@ -291,17 +263,15 @@ size(Val) ->
erlang:error({badmap,Val},[Val]).
-spec iterator(Map) -> Iterator when
- Map :: map(),
- Iterator :: iterator().
+ Map :: #{Key => Value},
+ Iterator :: iterator(Key, Value).
iterator(M) when is_map(M) -> [0 | M];
iterator(M) -> erlang:error({badmap, M}, [M]).
-spec next(Iterator) -> {Key, Value, NextIterator} | 'none' when
- Iterator :: iterator(),
- Key :: term(),
- Value :: term(),
- NextIterator :: iterator().
+ Iterator :: iterator(Key, Value),
+ NextIterator :: iterator(Key, Value).
next({K, V, I}) ->
{K, V, I};
next([Path | Map]) when is_integer(Path), is_map(Map) ->
@@ -318,29 +288,26 @@ next(Iter) ->
K :: term().
without(Ks,M) when is_list(Ks), is_map(M) ->
- lists:foldl(fun(K, M1) -> maps:remove(K, M1) end, M, Ks);
+ lists:foldl(fun maps:remove/2, M, Ks);
without(Ks,M) ->
erlang:error(error_type(M),[Ks,M]).
-spec with(Ks, Map1) -> Map2 when
Ks :: [K],
- Map1 :: map(),
- Map2 :: map(),
- K :: term().
+ Map1 :: #{K => V, _ => _},
+ Map2 :: #{K => V}.
with(Ks,Map1) when is_list(Ks), is_map(Map1) ->
- Fun = fun(K, List) ->
- case maps:find(K, Map1) of
- {ok, V} ->
- [{K, V} | List];
- error ->
- List
- end
- end,
- maps:from_list(lists:foldl(Fun, [], Ks));
+ maps:from_list(with_1(Ks, Map1));
with(Ks,M) ->
erlang:error(error_type(M),[Ks,M]).
+with_1([K|Ks], Map) ->
+ case Map of
+ #{K := V} -> [{K,V}|with_1(Ks, Map)];
+ #{} -> with_1(Ks, Map)
+ end;
+with_1([], _Map) -> [].
error_type(M) when is_map(M) -> badarg;
error_type(V) -> {badmap, V}.
diff --git a/lib/stdlib/src/rand.erl b/lib/stdlib/src/rand.erl
index 362e98006e..9854c778a1 100644
--- a/lib/stdlib/src/rand.erl
+++ b/lib/stdlib/src/rand.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2015-2017. All Rights Reserved.
+%% Copyright Ericsson AB 2015-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -32,14 +32,20 @@
uniform/0, uniform/1, uniform_s/1, uniform_s/2,
uniform_real/0, uniform_real_s/1,
jump/0, jump/1,
- normal/0, normal/2, normal_s/1, normal_s/3
+ normal/0, normal/2, normal_s/1, normal_s/3
]).
+%% Test, dev and internal
+-export([exro928_jump_2pow512/1, exro928_jump_2pow20/1,
+ exro928_seed/1, exro928_next/1, exro928_next_state/1,
+ format_jumpconst58/1, seed58/2]).
+
%% Debug
-export([make_float/3, float2str/1, bc64/1]).
-compile({inline, [exs64_next/1, exsplus_next/1,
exs1024_next/1, exs1024_calc/2,
+ exro928_next_state/4,
exrop_next/1, exrop_next_s/2,
get_52/1, normal_kiwi/1]}).
@@ -80,8 +86,8 @@
%% This depends on the algorithm handler function
-type alg_state() ::
- exs64_state() | exsplus_state() | exs1024_state() |
- exrop_state() | term().
+ exrop_state() | exs1024_state() | exro928_state() | exsplus_state() |
+ exs64_state() | term().
%% This is the algorithm handling definition within this module,
%% and the type to use for plugins.
@@ -124,14 +130,17 @@
%% Algorithm state
-type state() :: {alg_handler(), alg_state()}.
--type builtin_alg() :: exs64 | exsplus | exsp | exs1024 | exs1024s | exrop.
+-type builtin_alg() ::
+ exrop | exs1024s | exro928ss | exsp | exs64 | exsplus | exs1024.
-type alg() :: builtin_alg() | atom().
-type export_state() :: {alg(), alg_state()}.
+-type seed() :: [integer()] | integer() | {integer(), integer(), integer()}.
-export_type(
[builtin_alg/0, alg/0, alg_handler/0, alg_state/0,
- state/0, export_state/0]).
+ state/0, export_state/0, seed/0]).
-export_type(
- [exs64_state/0, exsplus_state/0, exs1024_state/0, exrop_state/0]).
+ [exrop_state/0, exs1024_state/0, exro928_state/0, exsplus_state/0,
+ exs64_state/0]).
%% =====================================================================
%% Range macro and helper
@@ -229,12 +238,12 @@ export_seed() ->
end.
-spec export_seed_s(State :: state()) -> export_state().
-export_seed_s({#{type:=Alg}, Seed}) -> {Alg, Seed}.
+export_seed_s({#{type:=Alg}, AlgState}) -> {Alg, AlgState}.
%% seed(Alg) seeds RNG with runtime dependent values
%% and return the NEW state
-%% seed({Alg,Seed}) setup RNG with a previously exported seed
+%% seed({Alg,AlgState}) setup RNG with a previously exported seed
%% and return the NEW state
-spec seed(
@@ -246,11 +255,11 @@ seed(Alg) ->
-spec seed_s(
AlgOrStateOrExpState :: builtin_alg() | state() | export_state()) ->
state().
-seed_s({AlgHandler, _Seed} = State) when is_map(AlgHandler) ->
+seed_s({AlgHandler, _AlgState} = State) when is_map(AlgHandler) ->
State;
-seed_s({Alg0, Seed}) ->
- {Alg,_SeedFun} = mk_alg(Alg0),
- {Alg, Seed};
+seed_s({Alg, AlgState}) when is_atom(Alg) ->
+ {AlgHandler,_SeedFun} = mk_alg(Alg),
+ {AlgHandler,AlgState};
seed_s(Alg) ->
seed_s(Alg, {erlang:phash2([{node(),self()}]),
erlang:system_time(),
@@ -259,19 +268,15 @@ seed_s(Alg) ->
%% seed/2: seeds RNG with the algorithm and given values
%% and returns the NEW state.
--spec seed(
- Alg :: builtin_alg(), Seed :: {integer(), integer(), integer()}) ->
- state().
-seed(Alg0, S0) ->
- seed_put(seed_s(Alg0, S0)).
+-spec seed(Alg :: builtin_alg(), Seed :: seed()) -> state().
+seed(Alg, Seed) ->
+ seed_put(seed_s(Alg, Seed)).
--spec seed_s(
- Alg :: builtin_alg(), Seed :: {integer(), integer(), integer()}) ->
- state().
-seed_s(Alg0, S0 = {_, _, _}) ->
- {Alg, Seed} = mk_alg(Alg0),
- AS = Seed(S0),
- {Alg, AS}.
+-spec seed_s(Alg :: builtin_alg(), Seed :: seed()) -> state().
+seed_s(Alg, Seed) ->
+ {AlgHandler,SeedFun} = mk_alg(Alg),
+ AlgState = SeedFun(Seed),
+ {AlgHandler,AlgState}.
%%% uniform/0, uniform/1, uniform_s/1, uniform_s/2 are all
%%% uniformly distributed random numbers.
@@ -281,8 +286,8 @@ seed_s(Alg0, S0 = {_, _, _}) ->
-spec uniform() -> X :: float().
uniform() ->
- {X, Seed} = uniform_s(seed_get()),
- _ = seed_put(Seed),
+ {X, State} = uniform_s(seed_get()),
+ _ = seed_put(State),
X.
%% uniform/1: given an integer N >= 1,
@@ -291,8 +296,8 @@ uniform() ->
-spec uniform(N :: pos_integer()) -> X :: pos_integer().
uniform(N) ->
- {X, Seed} = uniform_s(N, seed_get()),
- _ = seed_put(Seed),
+ {X, State} = uniform_s(N, seed_get()),
+ _ = seed_put(State),
X.
%% uniform_s/1: given a state, uniform_s/1
@@ -486,7 +491,7 @@ uniform_real_s(Alg, Next, M0, BitNo, R1, V1, Bits) ->
{M1 * math:pow(2.0, BitNo - 56), {Alg, R1}};
BitNo =:= -1008 ->
%% Endgame
- %% For the last round we can not have 14 zeros or more
+ %% For the last round we cannot have 14 zeros or more
%% at the top of M1 because then we will underflow,
%% so we need at least 43 bits
if
@@ -625,7 +630,13 @@ mk_alg(exrop) ->
{#{type=>exrop, bits=>58, weak_low_bits=>1, next=>fun exrop_next/1,
uniform=>fun exrop_uniform/1, uniform_n=>fun exrop_uniform/2,
jump=>fun exrop_jump/1},
- fun exrop_seed/1}.
+ fun exrop_seed/1};
+mk_alg(exro928ss) ->
+ {#{type=>exro928ss, bits=>58, next=>fun exro928ss_next/1,
+ uniform=>fun exro928ss_uniform/1,
+ uniform_n=>fun exro928ss_uniform/2,
+ jump=>fun exro928_jump/1},
+ fun exro928_seed/1}.
%% =====================================================================
%% exs64 PRNG: Xorshift64*
@@ -635,6 +646,14 @@ mk_alg(exrop) ->
-opaque exs64_state() :: uint64().
+exs64_seed(L) when is_list(L) ->
+ [R] = seed64_nz(1, L),
+ R;
+exs64_seed(A) when is_integer(A) ->
+ [R] = seed64(1, ?MASK(64, A)),
+ R;
+%%
+%% Traditional integer triplet seed
exs64_seed({A1, A2, A3}) ->
{V1, _} = exs64_next((?MASK(32, A1) * 4294967197 + 1)),
{V2, _} = exs64_next((?MASK(32, A2) * 4294967231 + 1)),
@@ -661,6 +680,14 @@ exs64_next(R) ->
-dialyzer({no_improper_lists, exsplus_seed/1}).
+exsplus_seed(L) when is_list(L) ->
+ [S0,S1] = seed58_nz(2, L),
+ [S0|S1];
+exsplus_seed(X) when is_integer(X) ->
+ [S0,S1] = seed58(2, ?MASK(64, X)),
+ [S0|S1];
+%%
+%% Traditional integer triplet seed
exsplus_seed({A1, A2, A3}) ->
{_, R1} = exsplus_next(
[?MASK(58, (A1 * 4294967197) + 1)|
@@ -708,7 +735,8 @@ exsp_uniform(Range, {Alg, R}) ->
-define(JUMPELEMLEN, 58).
-dialyzer({no_improper_lists, exsplus_jump/1}).
--spec exsplus_jump(state()) -> state().
+-spec exsplus_jump({alg_handler(), exsplus_state()}) ->
+ {alg_handler(), exsplus_state()}.
exsplus_jump({Alg, S}) ->
{S1, AS1} = exsplus_jump(S, [0|0], ?JUMPCONST1, ?JUMPELEMLEN),
{_, AS2} = exsplus_jump(S1, AS1, ?JUMPCONST2, ?JUMPELEMLEN),
@@ -735,6 +763,12 @@ exsplus_jump(S, [AS0|AS1], J, N) ->
-opaque exs1024_state() :: {list(uint64()), list(uint64())}.
+exs1024_seed(L) when is_list(L) ->
+ {seed64_nz(16, L), []};
+exs1024_seed(X) when is_integer(X) ->
+ {seed64(16, ?MASK(64, X)), []};
+%%
+%% Seed from traditional triple, remain backwards compatible
exs1024_seed({A1, A2, A3}) ->
B1 = ?MASK(21, (?MASK(21, A1) + 1) * 2097131),
B2 = ?MASK(21, (?MASK(21, A2) + 1) * 2097133),
@@ -806,8 +840,8 @@ exs1024_next({[H], RL}) ->
-define(JUMPTOTALLEN, 1024).
-define(RINGLEN, 16).
--spec exs1024_jump(state()) -> state().
-
+-spec exs1024_jump({alg_handler(), exs1024_state()}) ->
+ {alg_handler(), exs1024_state()}.
exs1024_jump({Alg, {L, RL}}) ->
P = length(RL),
AS = exs1024_jump({L, RL},
@@ -832,6 +866,194 @@ exs1024_jump({L, RL}, AS, JL, J, N, TN) ->
end.
%% =====================================================================
+%% exro928ss PRNG: Xoroshiro928**
+%%
+%% Reference URL: http://vigna.di.unimi.it/ftp/papers/ScrambledLinear.pdf
+%% i.e the Xoroshiro1024 generator with ** scrambler
+%% with {S, R, T} = {5, 7, 9} as recommended in the paper.
+%%
+%% {A, B, C} were tried out and selected as {44, 9, 45}
+%% and the jump coefficients calculated.
+%%
+%% Standard jump function pseudocode:
+%%
+%% Jump constant j = 0xb10773cb...44085302f77130ca
+%% Generator state: s
+%% New generator state: t = 0
+%% foreach bit in j, low to high:
+%% if the bit is one:
+%% t ^= s
+%% next s
+%% s = t
+%%
+%% Generator used for reference value calculation:
+%%
+%% #include <stdint.h>
+%% #include <stdio.h>
+%%
+%% int p = 0;
+%% uint64_t s[16];
+%%
+%% #define MASK(x) ((x) & ((UINT64_C(1) << 58) - 1))
+%% static __inline uint64_t rotl(uint64_t x, int n) {
+%% return MASK(x << n) | (x >> (58 - n));
+%% }
+%%
+%% uint64_t next() {
+%% const int q = p;
+%% const uint64_t s0 = s[p = (p + 1) & 15];
+%% uint64_t s15 = s[q];
+%%
+%% const uint64_t result_starstar = MASK(rotl(MASK(s0 * 5), 7) * 9);
+%%
+%% s15 ^= s0;
+%% s[q] = rotl(s0, 44) ^ s15 ^ MASK(s15 << 9);
+%% s[p] = rotl(s15, 45);
+%%
+%% return result_starstar;
+%% }
+%%
+%% static const uint64_t jump_2pow512[15] =
+%% { 0x44085302f77130ca, 0xba05381fdfd14902, 0x10a1de1d7d6813d2,
+%% 0xb83fe51a1eb3be19, 0xa81b0090567fd9f0, 0x5ac26d5d20f9b49f,
+%% 0x4ddd98ee4be41e01, 0x0657e19f00d4b358, 0xf02f778573cf0f0a,
+%% 0xb45a3a8a3cef3cc0, 0x6e62a33cc2323831, 0xbcb3b7c4cc049c53,
+%% 0x83f240c6007e76ce, 0xe19f5fc1a1504acd, 0x00000000b10773cb };
+%%
+%% static const uint64_t jump_2pow20[15] =
+%% { 0xbdb966a3daf905e6, 0x644807a56270cf78, 0xda90f4a806c17e9e,
+%% 0x4a426866bfad3c77, 0xaf699c306d8e7566, 0x8ebc73c700b8b091,
+%% 0xc081a7bf148531fb, 0xdc4d3af15f8a4dfd, 0x90627c014098f4b6,
+%% 0x06df2eb1feaf0fb6, 0x5bdeb1a5a90f2e6b, 0xa480c5878c3549bd,
+%% 0xff45ef33c82f3d48, 0xa30bebc15fefcc78, 0x00000000cb3d181c };
+%%
+%% void jump(const uint64_t *jump) {
+%% uint64_t j, t[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
+%% int m, n, k;
+%% for (m = 0; m < 15; m++, jump++) {
+%% for (n = 0, j = *jump; n < 64; n++, j >>= 1) {
+%% if ((j & 1) != 0) {
+%% for (k = 0; k < 16; k++) {
+%% t[k] ^= s[(p + k) & 15];
+%% }
+%% }
+%% next();
+%% }
+%% }
+%% for (k = 0; k < 16; k++) {
+%% s[(p + k) & 15] = t[k];
+%% }
+%% }
+%%
+%% =====================================================================
+
+-opaque exro928_state() :: {list(uint58()), list(uint58())}.
+
+-spec exro928_seed(
+ list(uint58()) | integer() | {integer(), integer(), integer()}) ->
+ exro928_state().
+exro928_seed(L) when is_list(L) ->
+ {seed58_nz(16, L), []};
+exro928_seed(X) when is_integer(X) ->
+ {seed58(16, ?MASK(64, X)), []};
+%%
+%% Seed from traditional integer triple - mix into splitmix
+exro928_seed({A1, A2, A3}) ->
+ {S0, X0} = seed58(?MASK(64, A1)),
+ {S1, X1} = seed58(?MASK(64, A2) bxor X0),
+ {S2, X2} = seed58(?MASK(64, A3) bxor X1),
+ {[S0,S1,S2|seed58(13, X2)], []}.
+
+
+%% Update the state and calculate output word
+-spec exro928ss_next(exro928_state()) -> {uint58(), exro928_state()}.
+exro928ss_next({[S15,S0|Ss], Rs}) ->
+ SR = exro928_next_state(Ss, Rs, S15, S0),
+ %%
+ %% {S, R, T} = {5, 7, 9}
+ %% const uint64_t result_starstar = rotl(s0 * S, R) * T;
+ %%
+ %% The multiply by add shifted trick avoids creating bignums
+ %% which improves performance significantly
+ %%
+ V0 = ?MASK(58, S0 + ?BSL(58, S0, 2)), % V0 = S0 * 5
+ V1 = ?ROTL(58, V0, 7),
+ V = ?MASK(58, V1 + ?BSL(58, V1, 3)), % V = V1 * 9
+ {V, SR};
+exro928ss_next({[S15], Rs}) ->
+ exro928ss_next({[S15|lists:reverse(Rs)], []}).
+
+-spec exro928_next(exro928_state()) -> {{uint58(),uint58()}, exro928_state()}.
+exro928_next({[S15,S0|Ss], Rs}) ->
+ SR = exro928_next_state(Ss, Rs, S15, S0),
+ {{S15,S0}, SR};
+exro928_next({[S15], Rs}) ->
+ exro928_next({[S15|lists:reverse(Rs)], []}).
+
+%% Just update the state
+-spec exro928_next_state(exro928_state()) -> exro928_state().
+exro928_next_state({[S15,S0|Ss], Rs}) ->
+ exro928_next_state(Ss, Rs, S15, S0);
+exro928_next_state({[S15], Rs}) ->
+ [S0|Ss] = lists:reverse(Rs),
+ exro928_next_state(Ss, [], S15, S0).
+
+exro928_next_state(Ss, Rs, S15, S0) ->
+ %% {A, B, C} = {44, 9, 45},
+ %% s15 ^= s0;
+ %% NewS15: s[q] = rotl(s0, A) ^ s15 ^ (s15 << B);
+ %% NewS0: s[p] = rotl(s15, C);
+ %%
+ Q = S15 bxor S0,
+ NewS15 = ?ROTL(58, S0, 44) bxor Q bxor ?BSL(58, Q, 9),
+ NewS0 = ?ROTL(58, Q, 45),
+ {[NewS0|Ss], [NewS15|Rs]}.
+
+
+exro928ss_uniform({Alg, SR}) ->
+ {V, NewSR} = exro928ss_next(SR),
+ {(V bsr (58-53)) * ?TWO_POW_MINUS53, {Alg, NewSR}}.
+
+exro928ss_uniform(Range, {Alg, SR}) ->
+ {V, NewSR} = exro928ss_next(SR),
+ MaxMinusRange = ?BIT(58) - Range,
+ ?uniform_range(Range, Alg, NewSR, V, MaxMinusRange, I).
+
+
+-spec exro928_jump({alg_handler(), exro928_state()}) ->
+ {alg_handler(), exro928_state()}.
+exro928_jump({Alg, SR}) ->
+ {Alg,exro928_jump_2pow512(SR)}.
+
+-spec exro928_jump_2pow512(exro928_state()) -> exro928_state().
+exro928_jump_2pow512(SR) ->
+ polyjump(
+ SR, fun exro928_next_state/1,
+ %% 2^512
+ [16#4085302F77130CA, 16#54E07F7F4524091,
+ 16#5E1D7D6813D2BA0, 16#4687ACEF8644287,
+ 16#4567FD9F0B83FE5, 16#43E6D27EA06C024,
+ 16#641E015AC26D5D2, 16#6CD61377663B92F,
+ 16#70A0657E19F00D4, 16#43C0BDDE15CF3C3,
+ 16#745A3A8A3CEF3CC, 16#58A8CF308C8E0C6,
+ 16#7B7C4CC049C536E, 16#431801F9DB3AF2C,
+ 16#41A1504ACD83F24, 16#6C41DCF2F867D7F]).
+
+-spec exro928_jump_2pow20(exro928_state()) -> exro928_state().
+exro928_jump_2pow20(SR) ->
+ polyjump(
+ SR, fun exro928_next_state/1,
+ %% 2^20
+ [16#5B966A3DAF905E6, 16#601E9589C33DE2F,
+ 16#74A806C17E9E644, 16#59AFEB4F1DF6A43,
+ 16#46D8E75664A4268, 16#42E2C246BDA670C,
+ 16#4531FB8EBC73C70, 16#537F702069EFC52,
+ 16#4B6DC4D3AF15F8A, 16#5A4189F0050263D,
+ 16#46DF2EB1FEAF0FB, 16#77AC696A43CB9AC,
+ 16#4C5878C3549BD5B, 16#7CCF20BCF522920,
+ 16#415FEFCC78FF45E, 16#72CF460728C2FAF]).
+
+%% =====================================================================
%% exrop PRNG: Xoroshiro116+
%%
%% Reference URL: http://xorshift.di.unimi.it/
@@ -899,6 +1121,15 @@ exs1024_jump({L, RL}, AS, JL, J, N, TN) ->
-opaque exrop_state() :: nonempty_improper_list(uint58(), uint58()).
-dialyzer({no_improper_lists, exrop_seed/1}).
+
+exrop_seed(L) when is_list(L) ->
+ [S0,S1] = seed58_nz(2, L),
+ [S0|S1];
+exrop_seed(X) when is_integer(X) ->
+ [S0,S1] = seed58(2, ?MASK(64, X)),
+ [S0|S1];
+%%
+%% Traditional integer triplet seed
exrop_seed({A1, A2, A3}) ->
[_|S1] =
exrop_next_s(
@@ -962,6 +1193,142 @@ exrop_jump([S__0|S__1] = _S, S0, S1, J, Js) ->
end.
%% =====================================================================
+%% Mask and fill state list, ensure not all zeros
+%% =====================================================================
+
+seed58_nz(N, Ss) ->
+ seed_nz(N, Ss, 58, false).
+
+seed64_nz(N, Ss) ->
+ seed_nz(N, Ss, 64, false).
+
+seed_nz(_N, [], _M, false) ->
+ erlang:error(zero_seed);
+seed_nz(0, [_|_], _M, _NZ) ->
+ erlang:error(too_many_seed_integers);
+seed_nz(0, [], _M, _NZ) ->
+ [];
+seed_nz(N, [], M, true) ->
+ [0|seed_nz(N - 1, [], M, true)];
+seed_nz(N, [S|Ss], M, NZ) ->
+ if
+ is_integer(S) ->
+ R = ?MASK(M, S),
+ [R|seed_nz(N - 1, Ss, M, NZ orelse R =/= 0)];
+ true ->
+ erlang:error(non_integer_seed)
+ end.
+
+%% =====================================================================
+%% Splitmix seeders, lowest bits of SplitMix64, zeros skipped
+%% =====================================================================
+
+-spec seed58(non_neg_integer(), uint64()) -> list(uint58()).
+seed58(0, _X) ->
+ [];
+seed58(N, X) ->
+ {Z,NewX} = seed58(X),
+ [Z|seed58(N - 1, NewX)].
+%%
+seed58(X_0) ->
+ {Z0,X} = splitmix64_next(X_0),
+ case ?MASK(58, Z0) of
+ 0 ->
+ seed58(X);
+ Z ->
+ {Z,X}
+ end.
+
+-spec seed64(non_neg_integer(), uint64()) -> list(uint64()).
+seed64(0, _X) ->
+ [];
+seed64(N, X) ->
+ {Z,NewX} = seed64(X),
+ [Z|seed64(N - 1, NewX)].
+%%
+seed64(X_0) ->
+ {Z,X} = ZX = splitmix64_next(X_0),
+ if
+ Z =:= 0 ->
+ seed64(X);
+ true ->
+ ZX
+ end.
+
+%% The SplitMix64 generator:
+%%
+%% uint64_t splitmix64_next() {
+%% uint64_t z = (x += 0x9e3779b97f4a7c15);
+%% z = (z ^ (z >> 30)) * 0xbf58476d1ce4e5b9;
+%% z = (z ^ (z >> 27)) * 0x94d049bb133111eb;
+%% return z ^ (z >> 31);
+%% }
+%%
+splitmix64_next(X_0) ->
+ X = ?MASK(64, X_0 + 16#9e3779b97f4a7c15),
+ Z_0 = ?MASK(64, (X bxor (X bsr 30)) * 16#bf58476d1ce4e5b9),
+ Z_1 = ?MASK(64, (Z_0 bxor (Z_0 bsr 27)) * 16#94d049bb133111eb),
+ {?MASK(64, Z_1 bxor (Z_1 bsr 31)),X}.
+
+%% =====================================================================
+%% Polynomial jump with a jump constant word list,
+%% high bit in each word marking top of word,
+%% SR is a {Forward, Reverse} queue tuple with Forward never empty
+%% =====================================================================
+
+polyjump({Ss, Rs} = SR, NextState, JumpConst) ->
+ %% Create new state accumulator T
+ Ts = lists:duplicate(length(Ss) + length(Rs), 0),
+ polyjump(SR, NextState, JumpConst, Ts).
+%%
+%% Foreach jump word
+polyjump(_SR, _NextState, [], Ts) ->
+ %% Return new calculated state
+ {Ts, []};
+polyjump(SR, NextState, [J|Js], Ts) ->
+ polyjump(SR, NextState, Js, Ts, J).
+%%
+%% Foreach bit in jump word until top bit
+polyjump(SR, NextState, Js, Ts, 1) ->
+ polyjump(SR, NextState, Js, Ts);
+polyjump({Ss, Rs} = SR, NextState, Js, Ts, J) when J =/= 0 ->
+ NewSR = NextState(SR),
+ NewJ = J bsr 1,
+ case ?MASK(1, J) of
+ 0 ->
+ polyjump(NewSR, NextState, Js, Ts, NewJ);
+ 1 ->
+ %% Xor this state onto T
+ polyjump(NewSR, NextState, Js, xorzip_sr(Ts, Ss, Rs), NewJ)
+ end.
+
+xorzip_sr([], [], undefined) ->
+ [];
+xorzip_sr(Ts, [], Rs) ->
+ xorzip_sr(Ts, lists:reverse(Rs), undefined);
+xorzip_sr([T|Ts], [S|Ss], Rs) ->
+ [T bxor S|xorzip_sr(Ts, Ss, Rs)].
+
+%% =====================================================================
+
+format_jumpconst58(String) ->
+ ReOpts = [{newline,any},{capture,all_but_first,binary},global],
+ {match,Matches} = re:run(String, "0x([a-zA-Z0-9]+)", ReOpts),
+ format_jumcons58_matches(lists:reverse(Matches), 0).
+
+format_jumcons58_matches([], J) ->
+ format_jumpconst58_value(J);
+format_jumcons58_matches([[Bin]|Matches], J) ->
+ NewJ = (J bsl 64) bor binary_to_integer(Bin, 16),
+ format_jumcons58_matches(Matches, NewJ).
+
+format_jumpconst58_value(0) ->
+ ok;
+format_jumpconst58_value(J) ->
+ io:format("16#~s,~n", [integer_to_list(?MASK(58, J) bor ?BIT(58), 16)]),
+ format_jumpconst58_value(J bsr 58).
+
+%% =====================================================================
%% Ziggurat cont
%% =====================================================================
-define(NOR_R, 3.6541528853610087963519472518).
diff --git a/lib/stdlib/src/uri_string.erl b/lib/stdlib/src/uri_string.erl
index f07307c039..d33dc89af8 100644
--- a/lib/stdlib/src/uri_string.erl
+++ b/lib/stdlib/src/uri_string.erl
@@ -415,7 +415,7 @@ transcode(URIString, Options) when is_list(URIString) ->
%% (application/x-www-form-urlencoded encoding algorithm)
%%-------------------------------------------------------------------------
-spec compose_query(QueryList) -> QueryString when
- QueryList :: [{unicode:chardata(), unicode:chardata()}],
+ QueryList :: [{unicode:chardata(), unicode:chardata() | true}],
QueryString :: uri_string()
| error().
compose_query(List) ->
@@ -423,7 +423,7 @@ compose_query(List) ->
-spec compose_query(QueryList, Options) -> QueryString when
- QueryList :: [{unicode:chardata(), unicode:chardata()}],
+ QueryList :: [{unicode:chardata(), unicode:chardata() | true}],
Options :: [{encoding, atom()}],
QueryString :: uri_string()
| error().
@@ -435,6 +435,11 @@ compose_query(List, Options) ->
throw:{error, Atom, RestData} -> {error, Atom, RestData}
end.
%%
+compose_query([{Key,true}|Rest], Options, IsList, Acc) ->
+ Separator = get_separator(Rest),
+ K = form_urlencode(Key, Options),
+ IsListNew = IsList orelse is_list(Key),
+ compose_query(Rest, Options, IsListNew, <<Acc/binary,K/binary,Separator/binary>>);
compose_query([{Key,Value}|Rest], Options, IsList, Acc) ->
Separator = get_separator(Rest),
K = form_urlencode(Key, Options),
@@ -454,7 +459,7 @@ compose_query([], _Options, IsList, Acc) ->
%%-------------------------------------------------------------------------
-spec dissect_query(QueryString) -> QueryList when
QueryString :: uri_string(),
- QueryList :: [{unicode:chardata(), unicode:chardata()}]
+ QueryList :: [{unicode:chardata(), unicode:chardata() | true}]
| error().
dissect_query(<<>>) ->
[];
@@ -1889,13 +1894,12 @@ dissect_query_key(<<$=,T/binary>>, IsList, Acc, Key, Value) ->
dissect_query_value(T, IsList, Acc, Key, Value);
dissect_query_key(<<"&#",T/binary>>, IsList, Acc, Key, Value) ->
dissect_query_key(T, IsList, Acc, <<Key/binary,"&#">>, Value);
-dissect_query_key(<<$&,_T/binary>>, _IsList, _Acc, _Key, _Value) ->
- throw({error, missing_value, "&"});
+dissect_query_key(T = <<$&,_/binary>>, IsList, Acc, Key, <<>>) ->
+ dissect_query_value(T, IsList, Acc, Key, true);
dissect_query_key(<<H,T/binary>>, IsList, Acc, Key, Value) ->
dissect_query_key(T, IsList, Acc, <<Key/binary,H>>, Value);
-dissect_query_key(B, _, _, _, _) ->
- throw({error, missing_value, B}).
-
+dissect_query_key(T = <<>>, IsList, Acc, Key, <<>>) ->
+ dissect_query_value(T, IsList, Acc, Key, true).
dissect_query_value(<<$&,T/binary>>, IsList, Acc, Key, Value) ->
K = form_urldecode(IsList, Key),
@@ -1908,9 +1912,10 @@ dissect_query_value(<<>>, IsList, Acc, Key, Value) ->
V = form_urldecode(IsList, Value),
lists:reverse([{K,V}|Acc]).
-
%% HTML 5.2 - 4.10.21.6 URL-encoded form data - WHATWG URL (10 Jan 2018) - UTF-8
%% HTML 5.0 - 4.10.22.6 URL-encoded form data - decoding (non UTF-8)
+form_urldecode(_, true) ->
+ true;
form_urldecode(true, B) ->
Result = base10_decode(form_urldecode(B, <<>>)),
convert_to_list(Result, utf8);
diff --git a/lib/stdlib/test/epp_SUITE.erl b/lib/stdlib/test/epp_SUITE.erl
index a3e294ffea..10e1b75e0f 100644
--- a/lib/stdlib/test/epp_SUITE.erl
+++ b/lib/stdlib/test/epp_SUITE.erl
@@ -1372,7 +1372,7 @@ otp_8562(Config) when is_list(Config) ->
otp_8911(Config) when is_list(Config) ->
case test_server:is_cover() of
true ->
- {skip, "Testing cover, so can not run when cover is already running"};
+ {skip, "Testing cover, so cannot run when cover is already running"};
false ->
do_otp_8911(Config)
end.
diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl
index f9ab83a120..c1613a7273 100644
--- a/lib/stdlib/test/erl_lint_SUITE.erl
+++ b/lib/stdlib/test/erl_lint_SUITE.erl
@@ -2730,7 +2730,7 @@ bif_clash(Config) when is_list(Config) ->
[],
{errors,[{2,erl_lint,{call_to_redefined_old_bif,{size,1}}}],[]}},
- %% Verify that warnings can not be turned off in the old way.
+ %% Verify that warnings cannot be turned off in the old way.
{clash2,
<<"-export([t/1,size/1]).
t(X) ->
diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl
index d8912e548c..29677ac67e 100644
--- a/lib/stdlib/test/ets_SUITE.erl
+++ b/lib/stdlib/test/ets_SUITE.erl
@@ -6153,40 +6153,11 @@ etsmem() ->
ets:info(T,memory),ets:info(T,type)}
end, ets:all()),
- EtsAllocInfo = erlang:system_info({allocator,ets_alloc}),
+ EtsAllocSize = erts_debug:alloc_blocks_size(ets_alloc),
ErlangMemoryEts = try erlang:memory(ets) catch error:notsup -> notsup end,
- Mem =
- {ErlangMemoryEts,
- case EtsAllocInfo of
- false -> undefined;
- MemInfo ->
- CS = lists:foldl(
- fun ({instance, _, L}, Acc) ->
- {value,{mbcs,MBCS}} = lists:keysearch(mbcs, 1, L),
- {value,{sbcs,SBCS}} = lists:keysearch(sbcs, 1, L),
- NewAcc = [MBCS, SBCS | Acc],
- case lists:keysearch(mbcs_pool, 1, L) of
- {value,{mbcs_pool, MBCS_POOL}} ->
- [MBCS_POOL|NewAcc];
- _ -> NewAcc
- end
- end,
- [],
- MemInfo),
- lists:foldl(
- fun(L, {Bl0,BlSz0}) ->
- {value,BlTup} = lists:keysearch(blocks, 1, L),
- blocks = element(1, BlTup),
- Bl = element(2, BlTup),
- {value,BlSzTup} = lists:keysearch(blocks_size, 1, L),
- blocks_size = element(1, BlSzTup),
- BlSz = element(2, BlSzTup),
- {Bl0+Bl,BlSz0+BlSz}
- end, {0,0}, CS)
- end},
- {Mem,AllTabs}.
-
+ Mem = {ErlangMemoryEts, EtsAllocSize},
+ {Mem, AllTabs}.
verify_etsmem(MI) ->
wait_for_test_procs(),
diff --git a/lib/stdlib/test/gen_statem_SUITE.erl b/lib/stdlib/test/gen_statem_SUITE.erl
index 053233df9b..017939fdd6 100644
--- a/lib/stdlib/test/gen_statem_SUITE.erl
+++ b/lib/stdlib/test/gen_statem_SUITE.erl
@@ -121,7 +121,8 @@ end_per_testcase(_CaseName, Config) ->
start1(Config) ->
%%OldFl = process_flag(trap_exit, true),
- {ok,Pid0} = gen_statem:start_link(?MODULE, start_arg(Config, []), []),
+ {ok,Pid0} =
+ gen_statem:start_link(?MODULE, start_arg(Config, []), [{debug,[trace]}]),
ok = do_func_test(Pid0),
ok = do_sync_func_test(Pid0),
stop_it(Pid0),
@@ -135,7 +136,8 @@ start1(Config) ->
%% anonymous w. shutdown
start2(Config) ->
%% Dont link when shutdown
- {ok,Pid0} = gen_statem:start(?MODULE, start_arg(Config, []), []),
+ {ok,Pid0} =
+ gen_statem:start(?MODULE, start_arg(Config, []), []),
ok = do_func_test(Pid0),
ok = do_sync_func_test(Pid0),
stopped = gen_statem:call(Pid0, {stop,shutdown}),
@@ -641,51 +643,72 @@ state_enter(_Config) ->
end,
start =>
fun (enter, Prev, N) ->
- Self ! {enter,start,Prev,N},
+ Self ! {N,enter,start,Prev},
{keep_state,N + 1};
(internal, Prev, N) ->
- Self ! {internal,start,Prev,N},
+ Self ! {N,internal,start,Prev},
{keep_state,N + 1};
+ (timeout, M, N) ->
+ {keep_state, N + 1,
+ {reply, {Self,N}, {timeout,M}}};
({call,From}, repeat, N) ->
{repeat_state,N + 1,
- [{reply,From,{repeat,start,N}}]};
+ [{reply,From,{N,repeat,start}}]};
({call,From}, echo, N) ->
{next_state,wait,N + 1,
- {reply,From,{echo,start,N}}};
+ [{reply,From,{N,echo,start}},{timeout,0,N}]};
({call,From}, {stop,Reason}, N) ->
{stop_and_reply,Reason,
- [{reply,From,{stop,N}}],N + 1}
+ [{reply,From,{N,stop}}],N + 1}
end,
wait =>
fun (enter, Prev, N) when N < 5 ->
{repeat_state,N + 1,
- {reply,{Self,N},{enter,Prev}}};
+ [{reply,{Self,N},{enter,Prev}},
+ {timeout,0,N},
+ {state_timeout,0,N}]};
(enter, Prev, N) ->
- Self ! {enter,wait,Prev,N},
- {keep_state,N + 1};
+ Self ! {N,enter,wait,Prev},
+ {keep_state,N + 1,
+ [{timeout,0,N},
+ {state_timeout,0,N}]};
+ (timeout, M, N) ->
+ {keep_state, N + 1,
+ {reply, {Self,N}, {timeout,M}}};
+ (state_timeout, M, N) ->
+ {keep_state, N + 1,
+ {reply, {Self,N}, {state_timeout,M}}};
({call,From}, repeat, N) ->
{repeat_state_and_data,
- [{reply,From,{repeat,wait,N}}]};
+ [{reply,From,{N,repeat,wait}},
+ {timeout,0,N}]};
({call,From}, echo, N) ->
{next_state,start,N + 1,
[{next_event,internal,wait},
- {reply,From,{echo,wait,N}}]}
+ {reply,From,{N,echo,wait}}]}
end},
{ok,STM} =
gen_statem:start_link(
- ?MODULE, {map_statem,Machine,[state_enter]}, []),
-
- [{enter,start,start,1}] = flush(),
- {echo,start,2} = gen_statem:call(STM, echo),
- [{3,{enter,start}},{4,{enter,start}},{enter,wait,start,5}] = flush(),
- {wait,[6|_]} = sys:get_state(STM),
- {repeat,wait,6} = gen_statem:call(STM, repeat),
- [{enter,wait,wait,6}] = flush(),
- {echo,wait,7} = gen_statem:call(STM, echo),
- [{enter,start,wait,8},{internal,start,wait,9}] = flush(),
- {repeat,start,10} = gen_statem:call(STM, repeat),
- [{enter,start,start,11}] = flush(),
- {stop,12} = gen_statem:call(STM, {stop,bye}),
+ ?MODULE, {map_statem,Machine,[state_enter]}, [{debug,[trace]}]),
+
+ [{1,enter,start,start}] = flush(),
+ {2,echo,start} = gen_statem:call(STM, echo),
+ [{3,{enter,start}},
+ {4,{enter,start}},
+ {5,enter,wait,start},
+ {6,{timeout,5}},
+ {7,{state_timeout,5}}] = flush(),
+ {wait,[8|_]} = sys:get_state(STM),
+ {8,repeat,wait} = gen_statem:call(STM, repeat),
+ [{8,enter,wait,wait},
+ {9,{timeout,8}},
+ {10,{state_timeout,8}}] = flush(),
+ {11,echo,wait} = gen_statem:call(STM, echo),
+ [{12,enter,start,wait},
+ {13,internal,start,wait}] = flush(),
+ {14,repeat,start} = gen_statem:call(STM, repeat),
+ [{15,enter,start,start}] = flush(),
+ {16,stop} = gen_statem:call(STM, {stop,bye}),
[{'EXIT',STM,bye}] = flush(),
{noproc,_} =
diff --git a/lib/stdlib/test/lists_SUITE.erl b/lib/stdlib/test/lists_SUITE.erl
index 837ab4e97e..af94fc79bc 100644
--- a/lib/stdlib/test/lists_SUITE.erl
+++ b/lib/stdlib/test/lists_SUITE.erl
@@ -1679,7 +1679,7 @@ make_fun() ->
receive {Pid, Fun} -> Fun end.
make_fun(Pid) ->
- Pid ! {self(), fun make_fun/1}.
+ Pid ! {self(), fun (X) -> {X, Pid} end}.
fun_pid(Fun) ->
erlang:fun_info(Fun, pid).
diff --git a/lib/stdlib/test/rand_SUITE.erl b/lib/stdlib/test/rand_SUITE.erl
index d753d929f5..4cb1c0b13d 100644
--- a/lib/stdlib/test/rand_SUITE.erl
+++ b/lib/stdlib/test/rand_SUITE.erl
@@ -21,24 +21,7 @@
-compile({nowarn_deprecated_function,[{random,seed,1},
{random,uniform_s,1},
{random,uniform_s,2}]}).
-
--export([all/0, suite/0, groups/0, group/1]).
-
--export([interval_int/1, interval_float/1, seed/1,
- api_eq/1, reference/1,
- basic_stats_uniform_1/1, basic_stats_uniform_2/1,
- basic_stats_standard_normal/1,
- basic_stats_normal/1,
- stats_standard_normal_box_muller/1,
- stats_standard_normal_box_muller_2/1,
- stats_standard_normal/1,
- uniform_real_conv/1,
- plugin/1, measure/1,
- reference_jump_state/1, reference_jump_procdict/1]).
-
--export([test/0, gen/1]).
-
--export([uniform_real_gen/1, uniform_gen/2]).
+-compile([export_all, nowarn_export_all]).
-include_lib("common_test/include/ct.hrl").
@@ -56,7 +39,8 @@ all() ->
{group, distr_stats},
uniform_real_conv,
plugin, measure,
- {group, reference_jump}
+ {group, reference_jump},
+ short_jump
].
groups() ->
@@ -95,7 +79,7 @@ test() ->
end, Tests).
algs() ->
- [exrop, exsp, exs1024s, exs64, exsplus, exs1024].
+ [exrop, exsp, exs1024s, exs64, exsplus, exs1024, exro928ss].
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -125,7 +109,7 @@ seed_1(Alg) ->
S0 = get(rand_seed),
S0 = rand:seed_s(Alg, {0, 0, 0}),
%% Check that process_dict should not be used for seed_s functionality
- _ = rand:seed_s(Alg, {1, 0, 0}),
+ _ = rand:seed_s(Alg, 4711),
S0 = get(rand_seed),
%% Test export
ES0 = rand:export_seed(),
@@ -262,31 +246,43 @@ reference(Config) when is_list(Config) ->
ok.
reference_1(Alg) ->
- Refval = reference_val(Alg),
- Testval = gen(Alg),
- case Refval =:= Testval of
- true -> ok;
- false when Refval =:= not_implemented ->
- exit({not_implemented,Alg});
- false ->
- io:format("Failed: ~p~n",[Alg]),
- io:format("Length ~p ~p~n",[length(Refval), length(Testval)]),
- io:format("Head ~p ~p~n",[hd(Refval), hd(Testval)]),
- exit(wrong_value)
+ Refval = reference_val(Alg),
+ if
+ Refval =:= not_implemented -> Refval;
+ true ->
+ case gen(Alg) of
+ Refval ->
+ io:format("Ok: ~p~n",[Alg]),
+ ok;
+ Testval ->
+ io:format("Failed: ~p~n",[Alg]),
+ io:format("Length ~p ~p~n",[length(Refval), length(Testval)]),
+ io:format("Head ~p ~p~n",[hd(Refval), hd(Testval)]),
+ show_wrong(Refval, Testval),
+ exit(wrong_value)
+ end
end.
+show_wrong([], []) ->
+ ok;
+show_wrong([H|T1], [H|T2]) ->
+ show_wrong(T1, T2);
+show_wrong([H1|_], [H2|_]) ->
+ io:format("Wrong ~p ~p~n",[H1,H2]).
+
+
gen(Algo) ->
State =
- case Algo of
- exs64 -> %% Printed with orig 'C' code and this seed
- rand:seed_s({exs64, 12345678});
- _ when Algo =:= exsplus; Algo =:= exsp; Algo =:= exrop ->
+ if
+ Algo =:= exs64 -> %% Printed with orig 'C' code and this seed
+ rand:seed_s(exs64, [12345678]);
+ Algo =:= exsplus; Algo =:= exsp; Algo =:= exrop ->
%% Printed with orig 'C' code and this seed
- rand:seed_s({Algo, [12345678|12345678]});
- _ when Algo =:= exs1024; Algo =:= exs1024s ->
+ rand:seed_s(Algo, [12345678,12345678]);
+ Algo =:= exs1024; Algo =:= exs1024s; Algo =:= exro928ss ->
%% Printed with orig 'C' code and this seed
- rand:seed_s({Algo, {lists:duplicate(16, 12345678), []}});
- _ ->
+ rand:seed_s(Algo, lists:duplicate(16, 12345678));
+ true ->
rand:seed(Algo, {100, 200, 300})
end,
Max = range(State),
@@ -852,7 +848,8 @@ do_measure(_Config) ->
Algs =
algs() ++
try crypto:strong_rand_bytes(1) of
- <<_>> -> [crypto64, crypto_cache, crypto]
+ <<_>> ->
+ [crypto64, crypto_cache, crypto_aes, crypto]
catch
error:low_entropy -> [];
error:undef -> []
@@ -1101,6 +1098,10 @@ measure_1(RangeFun, Fun, Alg, TMark) ->
{rand, crypto:rand_seed_alg(crypto_cache)};
crypto ->
{rand, crypto:rand_seed_s()};
+ crypto_aes ->
+ {rand,
+ crypto:rand_seed_alg(
+ crypto_aes, crypto:strong_rand_bytes(256))};
random ->
{random, random:seed(os:timestamp()), get(random_seed)};
_ ->
@@ -1116,7 +1117,7 @@ measure_1(RangeFun, Fun, Alg, TMark) ->
_ -> (Time * 100 + 50) div TMark
end,
io:format(
- "~.12w: ~p ns ~p% [16#~.16b]~n",
+ "~.20w: ~p ns ~p% [16#~.16b]~n",
[Alg, (Time * 1000 + 500) div ?LOOP_MEASURE,
Percent, Range]),
Parent ! {self(), Time},
@@ -1141,104 +1142,156 @@ reference_jump_state(Config) when is_list(Config) ->
ok.
reference_jump_1(Alg) ->
- Refval = reference_jump_val(Alg),
- Testval = gen_jump_1(Alg),
- case Refval =:= Testval of
- true -> ok;
- false ->
- io:format("Failed: ~p~n",[Alg]),
- io:format("Length ~p ~p~n",[length(Refval), length(Testval)]),
- io:format("Head ~p ~p~n",[hd(Refval), hd(Testval)]),
- io:format("Vals ~p ~p~n",[Refval, Testval]),
- exit(wrong_value)
+ Refval = reference_jump_val(Alg),
+ if
+ Refval =:= not_implemented -> Refval;
+ true ->
+ case gen_jump_1(Alg) of
+ Refval -> ok;
+ Testval ->
+ io:format(
+ "Failed: ~p~n",[Alg]),
+ io:format(
+ "Length ~p ~p~n",
+ [length(Refval), length(Testval)]),
+ io:format(
+ "Head ~p ~p~n",[hd(Refval), hd(Testval)]),
+ io:format(
+ "Vals ~p ~p~n",[Refval, Testval]),
+ exit(wrong_value)
+ end
end.
gen_jump_1(Algo) ->
- State =
- case Algo of
- exs64 -> %% Test exception of not_implemented notice
- try rand:jump(rand:seed_s(exs64))
- catch
- error:not_implemented -> not_implemented
- end;
- _ when Algo =:= exsplus; Algo =:= exsp; Algo =:= exrop ->
- %% Printed with orig 'C' code and this seed
- rand:seed_s({Algo, [12345678|12345678]});
- _ when Algo =:= exs1024; Algo =:= exs1024s ->
- %% Printed with orig 'C' code and this seed
- rand:seed_s({Algo, {lists:duplicate(16, 12345678), []}});
- _ -> % unimplemented
- not_implemented
- end,
- case State of
- not_implemented -> [not_implemented];
- _ ->
- Max = range(State),
- gen_jump_1(?LOOP_JUMP, State, Max, [])
+ case Algo of
+ exs64 -> %% Test exception of not_implemented notice
+ try rand:jump(rand:seed_s(exs64))
+ catch
+ error:not_implemented -> [error_not_implemented]
+ end;
+ _ when Algo =:= exsplus; Algo =:= exsp; Algo =:= exrop ->
+ %% Printed with orig 'C' code and this seed
+ gen_jump_2(
+ rand:seed_s(Algo, [12345678,12345678]));
+ _ when Algo =:= exs1024; Algo =:= exs1024s; Algo =:= exro928ss ->
+ %% Printed with orig 'C' code and this seed
+ gen_jump_2(
+ rand:seed_s(Algo, lists:duplicate(16, 12345678)))
end.
-gen_jump_1(N, State0, Max, Acc) when N > 0 ->
+gen_jump_2(State) ->
+ Max = range(State),
+ gen_jump_3(?LOOP_JUMP, State, Max, []).
+
+gen_jump_3(N, State0, Max, Acc) when N > 0 ->
{_, State1} = rand:uniform_s(Max, State0),
{Random, State2} = rand:uniform_s(Max, rand:jump(State1)),
case N rem (?LOOP_JUMP div 100) of
- 0 -> gen_jump_1(N-1, State2, Max, [Random|Acc]);
- _ -> gen_jump_1(N-1, State2, Max, Acc)
+ 0 -> gen_jump_3(N-1, State2, Max, [Random|Acc]);
+ _ -> gen_jump_3(N-1, State2, Max, Acc)
end;
-gen_jump_1(_, _, _, Acc) -> lists:reverse(Acc).
+gen_jump_3(_, _, _, Acc) -> lists:reverse(Acc).
%% Check if each algorithm generates the proper jump sequence
%% with the internal state in the process dictionary.
reference_jump_procdict(Config) when is_list(Config) ->
- [reference_jump_0(Alg) || Alg <- algs()],
+ [reference_jump_p1(Alg) || Alg <- algs()],
ok.
-reference_jump_0(Alg) ->
+reference_jump_p1(Alg) ->
Refval = reference_jump_val(Alg),
- Testval = gen_jump_0(Alg),
- case Refval =:= Testval of
- true -> ok;
- false ->
- io:format("Failed: ~p~n",[Alg]),
- io:format("Length ~p ~p~n",[length(Refval), length(Testval)]),
- io:format("Head ~p ~p~n",[hd(Refval), hd(Testval)]),
- exit(wrong_value)
+ if
+ Refval =:= not_implemented -> Refval;
+ true ->
+ case gen_jump_p1(Alg) of
+ Refval -> ok;
+ Testval ->
+ io:format("Failed: ~p~n",[Alg]),
+ io:format("Length ~p ~p~n",[length(Refval), length(Testval)]),
+ io:format("Head ~p ~p~n",[hd(Refval), hd(Testval)]),
+ exit(wrong_value)
+ end
end.
-gen_jump_0(Algo) ->
- Seed = case Algo of
- exs64 -> %% Test exception of not_implemented notice
- try
- _ = rand:seed(exs64),
- rand:jump()
- catch
- error:not_implemented -> not_implemented
- end;
- _ when Algo =:= exsplus; Algo =:= exsp; Algo =:= exrop ->
- %% Printed with orig 'C' code and this seed
- rand:seed({Algo, [12345678|12345678]});
- _ when Algo =:= exs1024; Algo =:= exs1024s ->
- %% Printed with orig 'C' code and this seed
- rand:seed({Algo, {lists:duplicate(16, 12345678), []}});
- _ -> % unimplemented
- not_implemented
- end,
- case Seed of
- not_implemented -> [not_implemented];
- _ ->
- Max = range(Seed),
- gen_jump_0(?LOOP_JUMP, Max, [])
+gen_jump_p1(Algo) ->
+ case Algo of
+ exs64 -> %% Test exception of not_implemented notice
+ try
+ _ = rand:seed(exs64),
+ rand:jump()
+ catch
+ error:not_implemented -> [error_not_implemented]
+ end;
+ _ when Algo =:= exsplus; Algo =:= exsp; Algo =:= exrop ->
+ %% Printed with orig 'C' code and this seed
+ gen_jump_p2(
+ rand:seed(Algo, [12345678,12345678]));
+ _ when Algo =:= exs1024; Algo =:= exs1024s; Algo =:= exro928ss ->
+ %% Printed with orig 'C' code and this seed
+ gen_jump_p2(
+ rand:seed(Algo, lists:duplicate(16, 12345678)))
end.
-gen_jump_0(N, Max, Acc) when N > 0 ->
+gen_jump_p2(Seed) ->
+ Max = range(Seed),
+ gen_jump_p3(?LOOP_JUMP, Max, []).
+
+gen_jump_p3(N, Max, Acc) when N > 0 ->
_ = rand:uniform(Max),
_ = rand:jump(),
Random = rand:uniform(Max),
case N rem (?LOOP_JUMP div 100) of
- 0 -> gen_jump_0(N-1, Max, [Random|Acc]);
- _ -> gen_jump_0(N-1, Max, Acc)
+ 0 -> gen_jump_p3(N-1, Max, [Random|Acc]);
+ _ -> gen_jump_p3(N-1, Max, Acc)
end;
-gen_jump_0(_, _, Acc) -> lists:reverse(Acc).
+gen_jump_p3(_, _, Acc) -> lists:reverse(Acc).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+short_jump(Config) when is_list(Config) ->
+ Seed = erlang:system_time(),
+ short_jump(
+ rand:seed_s(exro928ss, Seed),
+ fun ({Alg,AlgState}) ->
+ {Alg,rand:exro928_jump_2pow20(AlgState)}
+ end),
+ short_jump(
+ crypto:rand_seed_alg_s(crypto_aes, integer_to_list(Seed)),
+ fun ({Alg,AlgState}) ->
+ {Alg,crypto:rand_plugin_aes_jump_2pow20(AlgState)}
+ end),
+ ok.
+
+short_jump({#{bits := Bits},_} = State_0, Jump2Pow20) ->
+ Range = 1 bsl Bits,
+ State_1 = repeat(7, Range, State_0),
+ %%
+ State_2a = repeat(1 bsl 20, Range, State_1),
+ State_2b = Jump2Pow20(State_1),
+ check(17, Range, State_2a, State_2b),
+ %%
+ {_,State_3a} = rand:uniform_s(Range, State_2a),
+ State_4a = Jump2Pow20(State_3a),
+ State_4b = repeat((1 bsl 20) + 1, Range, State_2b),
+ check(17, Range, State_4a, State_4b).
+
+repeat(0, _Range, State) ->
+ State;
+repeat(N, Range, State) ->
+ {_, NewState} = rand:uniform_s(Range, State),
+ repeat(N - 1, Range, NewState).
+
+check(0, _Range, _StateA, _StateB) ->
+ ok;
+check(N, Range, StateA, StateB) ->
+ {V,NewStateA} = rand:uniform_s(Range, StateA),
+ case rand:uniform_s(Range, StateB) of
+ {V,NewStateB} ->
+ check(N - 1, Range, NewStateA, NewStateB);
+ {Wrong,_} ->
+ ct:fail({Wrong,neq,V,for,N})
+ end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% Data
@@ -1389,7 +1442,50 @@ reference_val(exrop) ->
250789092615679985,78848633178610658,72059442721196128,
98223942961505519,191144652663779840,
102425686803727694,89058927716079076,80721467542933080,
- 8462479817391645,2774921106204163].
+ 8462479817391645,2774921106204163];
+
+reference_val(exro928ss) ->
+%% Same as for exrop, but this state init:
+%% for (n = 0; n < 16; n++) {
+%% s[n] = 12345678;
+ [16#000000108e8d5b01,16#03604028f2769dff,16#007f92f60bc7170c,
+ 16#035ea81a9898a5e2,16#0104c90c5a0c8178,16#0313514025cca717,
+ 16#03c5506b2a2e98cf,16#0098a5405961552e,16#004ad29eabb785a0,
+ 16#033ea8ec4efb8058,16#00b21545e62bef1c,16#0333fc5320703482,
+ 16#02c3c650e51a8d47,16#03a3b7fc848c9cda,16#03775adea6cddff5,
+ 16#01ae5499c9049973,16#03d3c90e5504e16b,16#0383cd6b6cb852e6,
+ 16#009c8d0996ef543a,16#0059cf671371af60,16#03dfd68ed980b719,
+ 16#0290f2a0acf2c5b0,16#029061df18d63b55,16#02e702ea4b45137b,
+ 16#029a0ccca604d848,16#01664c7cd31f0fa6,16#00dced83e60ccddc,
+ 16#008764d2c9a05f3e,16#02b9ca5f6a80c4ba,16#02daf93d2c566750,
+ 16#0147d326ead18ace,16#014b452efc19297f,16#0242d3f7a7237eca,
+ 16#0141bb68c2abce39,16#02d798e1230baf45,16#0216bf8f25c1ec2d,
+ 16#003a43ea733f1e1f,16#036c75390db736f3,16#028cca5f5f48c6f9,
+ 16#0186e4a17174d6cf,16#02152679dfa4c25c,16#01429b9f15e3b9d6,
+ 16#0134a61411d22bb0,16#01593f7d970d1c94,16#0205a7d8a305490f,
+ 16#01dd092272595a9c,16#0028c95208aad2d4,16#016347c25cc24162,
+ 16#025306acfb891309,16#0207a07e2bebef2f,16#024ee78d86ff5288,
+ 16#030b53192db97613,16#03f765cb9e98e611,16#025ec35a1e237377,
+ 16#03d81fd73102ef6f,16#0242dc8fea9a68b2,16#00abb876c1d4ea1b,
+ 16#00871ffd2b7e45fb,16#03593ff73c9be08d,16#00b96b2b8aca3688,
+ 16#0174aba957b7cf7b,16#012b7a5d4cf4a5b7,16#032a5260f2123db8,
+ 16#00f9374d88ee0080,16#030df39bec2ad657,16#00dce0cb81d006c4,
+ 16#038213b806303c76,16#03940aafdbfabf84,16#0398dbb26aeba037,
+ 16#01eb28d61951587f,16#00fed3d2aacfeef4,16#03499587547d6e40,
+ 16#01b192fe6e979e3c,16#00e974bf5f0a26d0,16#012ed94f76459c83,
+ 16#02d76859e7a82587,16#00d1d2c7b791f51b,16#03988058017a031b,
+ 16#00bbcf4b59d8e86d,16#015ed8b73a1b767c,16#0277283ea6a5ee74,
+ 16#002211460dd6d422,16#001ad62761ee9fbd,16#037311b44518b067,
+ 16#02b5ed61bf70904e,16#011862a05c1929fa,16#014be68683c3bab4,
+ 16#025c29aa5c508b07,16#00895c6106f97378,16#026ce91a3d671c7f,
+ 16#02591f4c74784293,16#02f0ed2a70bc1853,16#00a2762ff614bfbc,
+ 16#008f4e354f0c20d4,16#038b66fb587ed430,16#00636296e188de89,
+ 16#0278fadd143e74f5,16#029697ccf1b3a4c2,16#011eccb273404458,
+ 16#03f204064a9fe0c0];
+
+reference_val(_) ->
+ not_implemented.
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -1451,7 +1547,7 @@ reference_jump_val(exsp) ->
reference_jump_val(exsplus);
reference_jump_val(exs1024s) ->
reference_jump_val(exs1024);
-reference_jump_val(exs64) -> [not_implemented];
+reference_jump_val(exs64) -> [error_not_implemented];
reference_jump_val(exrop) ->
%% #include <stdint.h>
%% #include <stdio.h>
@@ -1516,7 +1612,50 @@ reference_jump_val(exrop) ->
250227633882474729,171181147785250210,55437891969696407,
241227318715885854,77323084015890802,
1663590009695191,234064400749487599,222983191707424780,
- 254956809144783896,203898972156838252].
+ 254956809144783896,203898972156838252];
+
+reference_jump_val(exro928ss) ->
+%% Same as for exrop, but this state init:
+%% for (n = 0; n < 16; n++) {
+%% s[n] = 12345678;
+ [16#031ee449e53b6689,16#001afeee12813137,16#005e2172711df36b,
+ 16#02850aea3a595d36,16#0029705187e891c7,16#001794badd489667,
+ 16#00ab621be15be56c,16#024b663a6924786b,16#03cab70b8ab854bf,
+ 16#01daa37601285320,16#02db955a53c40e89,16#01fbef51d5c65891,
+ 16#02fecf4116ed5f77,16#0349c2057246ac5d,16#01217f257c4fa148,
+ 16#0367ee84d020697d,16#01d5cf647fe23335,16#020941838adfb750,
+ 16#02c2da26b1d7b3e5,16#00d1583d34cea6c0,16#038be9cb5b527f50,
+ 16#00bfa93c1d7f4864,16#03778912a4f56b14,16#037fcabc483fa5c5,
+ 16#00a3c9de6aaf5fc7,16#03600b883b2f2b42,16#03797a99ffddfdfb,
+ 16#0189fead429945b7,16#0103ac90cd912508,16#03e3d872fd950d64,
+ 16#0214fc3e77dc2f02,16#02a084f4f0e580ca,16#035d2fe72266a7f3,
+ 16#02887c49ae7e41a4,16#0011dc026af83c51,16#02d28bfd32c2c517,
+ 16#022e4165c33ad4f3,16#01f053cf0687b052,16#035315e6e53c8918,
+ 16#01255312da07b572,16#0237f1da11ec9221,16#02faf2e282fb1fb1,
+ 16#0227423ec1787ebc,16#011fa5eb1505571c,16#0275ff9eaaa1abdd,
+ 16#03e2d032c3981cb4,16#0181bb32d51d3072,16#01b1d3939b9f16ec,
+ 16#0259f09f55d1112f,16#0396464a2767e428,16#039777c0368bdb9e,
+ 16#0320925f35f36c5f,16#02a35289e0af1248,16#02e80bd4bc72254b,
+ 16#00a8b11af1674d68,16#027735036100a69e,16#03c8c268ded7f254,
+ 16#03de80aa57c65217,16#00f2247754d24000,16#005582a42b467f89,
+ 16#0031906569729477,16#00fd523f2ca4fefe,16#00ad223113d1e336,
+ 16#0238ddf026cbfca9,16#028b98211cfed876,16#0354353ebcc0de9a,
+ 16#009ee370c1e154f4,16#033131af3b8a7f88,16#032291baa45801e3,
+ 16#00941fc2b45eb217,16#035d6a61fa101647,16#03fdb51f736f1bbc,
+ 16#0232f7b98539faa0,16#0311b35319e3a61e,16#0048356b17860eb5,
+ 16#01a205b2554ce71e,16#03f873ea136e29d6,16#003c67d5c3df5ffd,
+ 16#00cd19e7a8641648,16#0149a8c54e4ba45e,16#0329498d134d2f6a,
+ 16#03b69421ae65ee2b,16#01a8d20b59447429,16#006b2292571032a2,
+ 16#00c193b17da22ba5,16#01faa7ab62181249,16#00acd401cd596a00,
+ 16#005b5086c3531402,16#0259113d5d3d058d,16#00bef3f3ce4a43b2,
+ 16#014837a4070b893c,16#00460a26ac2eeec1,16#026219a8b8c63d7e,
+ 16#03c7b8ed032cf5a6,16#004da912a1fff131,16#0297de3716215741,
+ 16#0079fb9b4c715466,16#00a73bad4ae5a356,16#0072e606c0d4ab86,
+ 16#02374382d5f9bd2e];
+
+reference_jump_val(_) ->
+ not_implemented.
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/lib/stdlib/test/rand_Xoroshiro928ss_dev.txt b/lib/stdlib/test/rand_Xoroshiro928ss_dev.txt
new file mode 100644
index 0000000000..150f37fcfa
--- /dev/null
+++ b/lib/stdlib/test/rand_Xoroshiro928ss_dev.txt
@@ -0,0 +1,343 @@
+%CopyrightBegin%
+
+Copyright Ericsson AB 2015-2017. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+%CopyrightEnd%
+
+
+Memorable facts from designing the Xoroshiro928** generator
+===========================================================
+AKA: exro928ss in the rand module
+
+Author: Raimo Niskanen, for the Erlang/OTP team @ Ericsson.
+
+Reference URL: http://vigna.di.unimi.it/ftp/papers/ScrambledLinear.pdf
+i.e the Xoroshiro1024 generator with ** scrambler:
+
+ int p;
+ uint64_t s[16];
+
+ const int q = p;
+ const uint64_t s0 = s[p = (p + 1) & 15];
+
+ uint64_t s15 = s[q];
+
+ const uint64_t result_starstar = rotl(s0 * S, R) * T;
+
+ s15 ^= s0;
+ s[q] = rotl(s0, A) ^ s15 ^ (s15 << B);
+ s[p] = rotl(s15, C);
+
+Where {S, R, T} = {5, 7, 9} as recommended in the paper.
+
+We want to scale down to 58 bit words (16 of them)
+so we get a generator with period 2^928 - 1.
+
+{A, B, C} were deduced as follows
+---------------------------------
+
+First, to find which triplets that give a full period generator
+one have to factor 2^928 - 1.
+
+https://www.alpertron.com.ar/ECM.HTM actually could do that
+and gave the result:
+
+ Value
+ 2^928 - 1
+
+ 2269 007733 883335 972287 082669 296112 915239 349672 942191 252221 331572
+ 442536 403137 824056 312817 862695 551072 066953 619064 625508 194663
+ 368599 769448 406663 254670 871573 830845 597595 897613 333042 429214
+ 224697 474472 410882 236254 024057 110212 260250 671521 235807 709272
+ 244389 361641 091086 035023 229622 419455 (280 digits) = 3 × 5 × 17 × 59 ×
+ 233 × 257 × 929 × 1103 × 2089 × 5569 × 8353 × 59393 × 65537 × 3 033169 ×
+ 39 594977 × 107 367629 × 536 903681 × 748 264961 × 2245 984577 × 239
+ 686663 718401 × 15 929619 591127 520827 829953 × 82280 195167 144119
+ 832390 568177 × 6033 312171 721035 031651 315652 130497 (34 digits) × 18
+ 774318 450142 955120 650303 957350 521748 903233 (44 digits) × 15 694604
+ 006012 505869 851221 169365 594050 637743 819041 (50 digits)
+
+Sebastiano Vigna from that calculated all full period triplets, at the
+end of this document, and the ones with the highest degree were:
+
+ 23-25-12 411
+ 36-2-35 411
+ 55-5-54 411
+ 14-19-11 415
+ 34-37-5 415
+ 37-3-56 415
+ 55-11-54 417
+ 30-3-41 419
+ 11-45-50 423
+ 50-19-47 423
+ 52-27-13 427
+ 54-9-25 433
+ 56-43-35 433
+ 44-9-45 441
+
+All these candidates were tested with TestU01-1.2.3:
+
+ http://simul.iro.umontreal.ca/testu01/tu01.html
+
+A plugin was created with parameters for {A, B, C} and, since
+TestU01 is a 32-bit test tool, with parameters to reverse
+the generated bits or not, and to take the 32 highest or lowest
+bits from the reversed or non-reversed 58 bit output.
+
+The generators were seeded with a SplitMix64 generator like the
+one used for seeding this generator in the rand module,
+taking the 58 lowest bits and wasting all zero values.
+
+3 runs were made with all candidates and all four bit selection variants.
+For these runs the seeder was initialized with 12345678, 876543212345678
+and 1234567890.
+
+After all these runs the candidate with the highest degree: 44-9-45
+had not gotten any suspicious p-value at all. All the other
+got p-values around 5.0e-4 worst 9.8e-6 suggesting only random
+failures, so they would probably have worked about as well.
+
+Finally 44-9-45 was run through PractRand-0.93:
+
+ http://pracrand.sourceforge.net/
+
+Again, all 4 bit selection variants of 32 bits were run.
+Random failures with p-values around e-3..e-4 for the "smaller"
+tests, but for 8, 16 and 32 TB tests no anomalies were found
+(with the internal seeder masked to 58 bits):
+
+ Xoroshiro928High seed: 0x3178ec5d
+ Xoroshiro928Low seed: 0xa9a04fb9
+ Xoroshiro928ReverseHigh seed: 0xfa0bdbab
+ Xoroshiro928ReverseLow seed: 0xada51705
+
+
+Then, S. Vigna calculated the 2^512 jump coefficient as well
+as a 2^20 jump coefficient (for testing purposes) for 44-9-45.
+
+2^512:
+ { 0x44085302f77130ca, 0xba05381fdfd14902, 0x10a1de1d7d6813d2,
+ 0xb83fe51a1eb3be19, 0xa81b0090567fd9f0, 0x5ac26d5d20f9b49f,
+ 0x4ddd98ee4be41e01, 0x0657e19f00d4b358, 0xf02f778573cf0f0a,
+ 0xb45a3a8a3cef3cc0, 0x6e62a33cc2323831, 0xbcb3b7c4cc049c53,
+ 0x83f240c6007e76ce, 0xe19f5fc1a1504acd, 0x00000000b10773cb }
+
+2^20:
+ { 0xbdb966a3daf905e6, 0x644807a56270cf78, 0xda90f4a806c17e9e,
+ 0x4a426866bfad3c77, 0xaf699c306d8e7566, 0x8ebc73c700b8b091,
+ 0xc081a7bf148531fb, 0xdc4d3af15f8a4dfd, 0x90627c014098f4b6,
+ 0x06df2eb1feaf0fb6, 0x5bdeb1a5a90f2e6b, 0xa480c5878c3549bd,
+ 0xff45ef33c82f3d48, 0xa30bebc15fefcc78, 0x00000000cb3d181c }
+
+Standard jump function pseudocode:
+
+ Jump constant j = 0xb10773cb...44085302f77130ca
+ Generator state: s
+ New generator state: t = 0
+ foreach bit in j, low to high:
+ if the bit is one:
+ t ^= s
+ next s
+ s = t
+
+
+The complete list of full period constants
+------------------------------------------
+
+29-48-54 27 x^928 + x^874 + x^870 + x^840 + x^814 + x^784 + x^759 + x^750 + x^724 + x^720 + x^634 + x^630 + x^600 + x^574 + x^544 + x^519 + x^510 + x^484 + x^480 + x^390 + x^360 + x^270 + x^240 + x^150 + x^120 + x^30 + 1
+
+29-18-56 65 x^928 + x^870 + x^850 + x^840 + x^832 + x^821 + x^802 + x^791 + x^761 + x^750 + x^734 + x^731 + x^720 + x^712 + x^701 + x^686 + x^674 + x^671 + x^663 + x^641 + x^630 + x^611 + x^610 + x^603 + x^600 + x^596 + x^577 + x^566 + x^547 + x^524 + x^517 + x^510 + x^487 + x^480 + x^476 + x^464 + x^457 + x^446 + x^427 + x^423 + x^397 + x^390 + x^367 + x^363 + x^360 + x^356 + x^352 + x^341 + x^326 + x^322 + x^311 + x^281 + x^270 + x^251 + x^240 + x^236 + x^232 + x^221 + x^191 + x^161 + x^150 + x^131 + x^120 + x^30 + 1
+
+29-32-36 81 x^928 + x^874 + x^870 + x^840 + x^820 + x^819 + x^794 + x^790 + x^770 + x^765 + x^764 + x^760 + x^754 + x^750 + x^740 + x^739 + x^735 + x^734 + x^730 + x^709 + x^704 + x^674 + x^670 + x^665 + x^660 + x^650 + x^649 + x^635 + x^634 + x^619 + x^614 + x^605 + x^595 + x^585 + x^584 + x^579 + x^564 + x^555 + x^545 + x^540 + x^524 + x^515 + x^514 + x^495 + x^490 + x^485 + x^460 + x^455 + x^435 + x^425 + x^400 + x^395 + x^375 + x^370 + x^365 + x^340 + x^315 + x^310 + x^305 + x^300 + x^290 + x^285 + x^275 + x^260 + x^250 + x^245 + x^240 + x^215 + x^190 + x^180 + x^170 + x^150 + x^130 + x^120 + x^115 + x^105 + x^100 + x^75 + x^40 + x^30 + 1
+
+39-10-20 105 x^928 + x^898 + x^870 + x^841 + x^840 + x^808 + x^783 + x^782 + x^781 + x^780 + x^778 + x^754 + x^752 + x^724 + x^721 + x^720 + x^696 + x^692 + x^688 + x^667 + x^666 + x^661 + x^660 + x^658 + x^638 + x^636 + x^632 + x^609 + x^607 + x^606 + x^605 + x^604 + x^601 + x^600 + x^580 + x^578 + x^576 + x^572 + x^568 + x^549 + x^548 + x^541 + x^540 + x^538 + x^516 + x^512 + x^489 + x^485 + x^484 + x^481 + x^480 + x^456 + x^452 + x^448 + x^429 + x^428 + x^421 + x^420 + x^418 + x^400 + x^398 + x^396 + x^392 + x^368 + x^365 + x^364 + x^336 + x^328 + x^319 + x^318 + x^315 + x^314 + x^298 + x^286 + x^278 + x^276 + x^274 + x^255 + x^254 + x^249 + x^245 + x^228 + x^226 + x^220 + x^208 + x^199 + x^198 + x^189 + x^188 + x^178 + x^168 + x^166 + x^160 + x^129 + x^128 + x^108 + x^100 + x^88 + x^79 + x^78 + x^69 + x^68 + x^58 + x^40 + 1
+
+4-4-9 149 x^928 + x^898 + x^886 + x^870 + x^856 + x^826 + x^823 + x^808 + x^796 + x^793 + x^784 + x^778 + x^772 + x^766 + x^760 + x^754 + x^751 + x^742 + x^736 + x^734 + x^724 + x^713 + x^709 + x^706 + x^703 + x^694 + x^691 + x^688 + x^676 + x^674 + x^673 + x^664 + x^662 + x^658 + x^653 + x^641 + x^640 + x^634 + x^632 + x^631 + x^620 + x^614 + x^611 + x^608 + x^604 + x^602 + x^599 + x^590 + x^583 + x^581 + x^578 + x^574 + x^572 + x^571 + x^569 + x^568 + x^561 + x^554 + x^553 + x^551 + x^544 + x^542 + x^540 + x^538 + x^532 + x^531 + x^518 + x^514 + x^512 + x^502 + x^498 + x^489 + x^488 + x^484 + x^482 + x^480 + x^479 + x^468 + x^463 + x^456 + x^454 + x^452 + x^449 + x^448 + x^438 + x^433 + x^429 + x^424 + x^422 + x^420 + x^418 + x^408 + x^406 + x^401 + x^396 + x^394 + x^392 + x^380 + x^378 + x^376 + x^371 + x^367 + x^364 + x^362 + x^360 + x^350 + x^348 + x^346 + x^341 + x^334 + x^332 + x^328 + x^318 + x^311 + x^307 + x^304 + x^302 + x^300 + x^298 + x^288 + x^274 + x^272 + x^254 + x^249 + x^242 + x^240 + x^233 + x^212 + x^208 + x^189 + x^180 + x^178 + x^166 + x^152 + x^143 + x^136 + x^127 + x^122 + x^120 + x^113 + x^106 + x^88 + x^83 + x^81 + x^67 + x^58 + x^51 + x^14 + 1
+
+44-44-45 157 x^928 + x^898 + x^870 + x^850 + x^830 + x^820 + x^808 + x^800 + x^790 + x^782 + x^778 + x^777 + x^760 + x^757 + x^752 + x^747 + x^742 + x^727 + x^702 + x^694 + x^689 + x^688 + x^679 + x^674 + x^659 + x^658 + x^657 + x^644 + x^642 + x^637 + x^634 + x^627 + x^619 + x^612 + x^607 + x^606 + x^601 + x^596 + x^594 + x^591 + x^590 + x^584 + x^576 + x^568 + x^566 + x^561 + x^560 + x^556 + x^554 + x^546 + x^541 + x^539 + x^538 + x^518 + x^516 + x^511 + x^509 + x^503 + x^502 + x^499 + x^496 + x^488 + x^476 + x^471 + x^468 + x^466 + x^464 + x^448 + x^446 + x^441 + x^436 + x^421 + x^420 + x^415 + x^411 + x^408 + x^404 + x^400 + x^388 + x^383 + x^381 + x^379 + x^376 + x^363 + x^358 + x^356 + x^354 + x^346 + x^344 + x^340 + x^333 + x^330 + x^328 + x^325 + x^316 + x^312 + x^307 + x^305 + x^302 + x^284 + x^282 + x^277 + x^270 + x^268 + x^267 + x^256 + x^252 + x^249 + x^245 + x^244 + x^239 + x^238 + x^236 + x^231 + x^228 + x^226 + x^224 + x^222 + x^215 + x^208 + x^207 + x^205 + x^203 + x^201 + x^199 + x^196 + x^194 + x^192 + x^189 + x^185 + x^184 + x^182 + x^180 + x^175 + x^171 + x^168 + x^166 + x^162 + x^161 + x^155 + x^152 + x^150 + x^141 + x^134 + x^132 + x^131 + x^127 + x^122 + x^111 + x^104 + x^92 + x^90 + x^83 + x^81 + x^58 + x^37 + 1
+
+40-40-7 167 x^928 + x^898 + x^870 + x^866 + x^838 + x^836 + x^807 + x^806 + x^804 + x^778 + x^777 + x^774 + x^745 + x^744 + x^742 + x^718 + x^714 + x^713 + x^712 + x^687 + x^658 + x^657 + x^656 + x^655 + x^654 + x^626 + x^620 + x^619 + x^598 + x^596 + x^592 + x^591 + x^589 + x^566 + x^564 + x^563 + x^562 + x^560 + x^558 + x^538 + x^534 + x^530 + x^529 + x^504 + x^503 + x^502 + x^500 + x^499 + x^498 + x^496 + x^478 + x^474 + x^470 + x^469 + x^443 + x^442 + x^441 + x^439 + x^438 + x^436 + x^434 + x^432 + x^418 + x^416 + x^414 + x^410 + x^409 + x^407 + x^406 + x^405 + x^402 + x^386 + x^383 + x^380 + x^374 + x^373 + x^372 + x^370 + x^356 + x^350 + x^349 + x^348 + x^347 + x^346 + x^345 + x^340 + x^328 + x^326 + x^324 + x^323 + x^321 + x^316 + x^314 + x^308 + x^298 + x^296 + x^294 + x^289 + x^285 + x^283 + x^282 + x^281 + x^280 + x^278 + x^263 + x^262 + x^259 + x^257 + x^255 + x^251 + x^249 + x^248 + x^246 + x^233 + x^232 + x^229 + x^220 + x^218 + x^217 + x^216 + x^208 + x^202 + x^201 + x^199 + x^195 + x^190 + x^188 + x^187 + x^186 + x^178 + x^172 + x^169 + x^167 + x^162 + x^161 + x^159 + x^158 + x^157 + x^146 + x^142 + x^139 + x^135 + x^125 + x^123 + x^116 + x^112 + x^107 + x^105 + x^94 + x^93 + x^88 + x^86 + x^84 + x^82 + x^75 + x^73 + x^69 + x^64 + x^58 + x^56 + x^54 + x^52 + x^43 + x^41 + x^39 + x^32 + 1
+
+47-47-18 217 x^928 + x^898 + x^871 + x^870 + x^843 + x^842 + x^841 + x^813 + x^812 + x^811 + x^808 + x^787 + x^786 + x^785 + x^783 + x^781 + x^778 + x^759 + x^757 + x^754 + x^753 + x^751 + x^729 + x^727 + x^726 + x^723 + x^721 + x^701 + x^700 + x^699 + x^697 + x^693 + x^691 + x^688 + x^673 + x^672 + x^670 + x^667 + x^663 + x^661 + x^658 + x^647 + x^644 + x^641 + x^637 + x^633 + x^631 + x^618 + x^617 + x^614 + x^613 + x^612 + x^611 + x^610 + x^607 + x^603 + x^601 + x^586 + x^585 + x^582 + x^581 + x^580 + x^577 + x^573 + x^571 + x^568 + x^562 + x^560 + x^556 + x^555 + x^554 + x^553 + x^551 + x^547 + x^543 + x^541 + x^538 + x^532 + x^530 + x^528 + x^524 + x^522 + x^521 + x^517 + x^513 + x^511 + x^506 + x^504 + x^502 + x^500 + x^497 + x^495 + x^491 + x^487 + x^483 + x^481 + x^478 + x^474 + x^472 + x^467 + x^466 + x^465 + x^461 + x^457 + x^453 + x^451 + x^444 + x^438 + x^437 + x^436 + x^435 + x^431 + x^427 + x^423 + x^412 + x^408 + x^407 + x^405 + x^401 + x^397 + x^390 + x^384 + x^377 + x^375 + x^371 + x^367 + x^366 + x^365 + x^363 + x^362 + x^360 + x^358 + x^356 + x^352 + x^350 + x^347 + x^345 + x^341 + x^337 + x^336 + x^334 + x^332 + x^324 + x^317 + x^315 + x^311 + x^307 + x^306 + x^305 + x^304 + x^302 + x^300 + x^298 + x^296 + x^287 + x^285 + x^281 + x^279 + x^277 + x^276 + x^274 + x^268 + x^266 + x^257 + x^255 + x^247 + x^244 + x^242 + x^240 + x^238 + x^234 + x^227 + x^221 + x^219 + x^216 + x^214 + x^206 + x^197 + x^195 + x^193 + x^182 + x^176 + x^161 + x^156 + x^152 + x^146 + x^139 + x^133 + x^116 + x^111 + x^109 + x^107 + x^96 + x^94 + x^92 + x^90 + x^88 + x^85 + x^81 + x^79 + x^77 + x^73 + x^66 + x^64 + x^62 + x^60 + x^53 + x^51 + x^47 + x^45 + x^36 + x^34 + x^32 + x^19 + x^17 + x^15 + 1
+
+31-52-54 249 x^928 + x^898 + x^872 + x^870 + x^842 + x^841 + x^838 + x^836 + x^812 + x^810 + x^782 + x^781 + x^779 + x^778 + x^774 + x^753 + x^752 + x^750 + x^748 + x^723 + x^722 + x^721 + x^719 + x^717 + x^714 + x^712 + x^694 + x^690 + x^689 + x^688 + x^686 + x^684 + x^664 + x^663 + x^662 + x^661 + x^660 + x^658 + x^657 + x^656 + x^655 + x^654 + x^653 + x^652 + x^650 + x^634 + x^633 + x^631 + x^630 + x^629 + x^628 + x^622 + x^604 + x^599 + x^597 + x^596 + x^593 + x^592 + x^590 + x^588 + x^570 + x^567 + x^566 + x^562 + x^560 + x^536 + x^534 + x^533 + x^531 + x^530 + x^526 + x^513 + x^512 + x^510 + x^509 + x^508 + x^507 + x^506 + x^505 + x^504 + x^502 + x^498 + x^483 + x^482 + x^481 + x^479 + x^478 + x^476 + x^466 + x^464 + x^454 + x^445 + x^438 + x^424 + x^423 + x^422 + x^421 + x^419 + x^418 + x^411 + x^404 + x^402 + x^394 + x^393 + x^392 + x^391 + x^390 + x^387 + x^386 + x^383 + x^380 + x^379 + x^378 + x^377 + x^376 + x^374 + x^364 + x^362 + x^361 + x^359 + x^357 + x^356 + x^355 + x^354 + x^351 + x^349 + x^348 + x^347 + x^345 + x^342 + x^340 + x^332 + x^330 + x^329 + x^328 + x^327 + x^325 + x^324 + x^323 + x^321 + x^319 + x^318 + x^316 + x^314 + x^312 + x^302 + x^301 + x^300 + x^296 + x^295 + x^294 + x^291 + x^289 + x^287 + x^286 + x^283 + x^278 + x^266 + x^265 + x^264 + x^263 + x^262 + x^260 + x^259 + x^255 + x^250 + x^234 + x^232 + x^229 + x^227 + x^226 + x^225 + x^222 + x^218 + x^216 + x^208 + x^204 + x^200 + x^198 + x^197 + x^195 + x^194 + x^193 + x^190 + x^188 + x^178 + x^174 + x^173 + x^172 + x^171 + x^170 + x^169 + x^168 + x^166 + x^165 + x^164 + x^162 + x^161 + x^160 + x^159 + x^158 + x^157 + x^156 + x^154 + x^142 + x^141 + x^139 + x^138 + x^135 + x^131 + x^128 + x^126 + x^116 + x^112 + x^110 + x^107 + x^106 + x^105 + x^104 + x^102 + x^100 + x^98 + x^96 + x^95 + x^94 + x^92 + x^88 + x^80 + x^79 + x^76 + x^74 + x^73 + x^71 + x^70 + x^69 + x^66 + x^65 + x^64 + x^56 + x^54 + x^48 + x^46 + x^45 + x^43 + x^38 + x^35 + x^33 + x^30 + 1
+
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+
+56-43-35 433 x^928 + x^898 + x^896 + x^871 + x^870 + x^864 + x^848 + x^847 + x^846 + x^841 + x^840 + x^834 + x^833 + x^832 + x^829 + x^821 + x^814 + x^811 + x^808 + x^806 + x^803 + x^798 + x^797 + x^796 + x^792 + x^788 + x^786 + x^784 + x^783 + x^781 + x^779 + x^777 + x^776 + x^774 + x^773 + x^770 + x^769 + x^766 + x^762 + x^760 + x^756 + x^754 + x^752 + x^751 + x^749 + x^746 + x^745 + x^740 + x^737 + x^736 + x^734 + x^730 + x^727 + x^723 + x^721 + x^720 + x^718 + x^716 + x^714 + x^712 + x^709 + x^707 + x^706 + x^705 + x^704 + x^703 + x^702 + x^701 + x^700 + x^699 + x^697 + x^696 + x^695 + x^690 + x^689 + x^687 + x^685 + x^684 + x^682 + x^678 + x^675 + x^672 + x^670 + x^669 + x^668 + x^666 + x^665 + x^663 + x^662 + x^661 + x^659 + x^657 + x^655 + x^651 + x^650 + x^648 + x^646 + x^641 + x^639 + x^634 + x^632 + x^631 + x^630 + x^629 + x^626 + x^625 + x^623 + x^620 + x^619 + x^614 + x^612 + x^610 + x^609 + x^608 + x^607 + x^606 + x^604 + x^603 + x^602 + x^601 + x^600 + x^597 + x^596 + x^595 + x^594 + x^593 + x^591 + x^588 + x^585 + x^584 + x^583 + x^582 + x^581 + x^580 + x^578 + x^576 + x^574 + x^573 + x^572 + x^571 + x^570 + x^569 + x^563 + x^561 + x^560 + x^558 + x^556 + x^553 + x^552 + x^551 + x^550 + x^549 + x^546 + x^545 + x^544 + x^543 + x^542 + x^539 + x^538 + x^537 + x^536 + x^534 + x^532 + x^531 + x^529 + x^523 + x^519 + x^518 + x^517 + x^515 + x^514 + x^513 + x^512 + x^510 + x^509 + x^508 + x^503 + x^502 + x^501 + x^500 + x^499 + x^498 + x^496 + x^495 + x^494 + x^491 + x^490 + x^489 + x^487 + x^486 + x^484 + x^482 + x^481 + x^473 + x^471 + x^468 + x^466 + x^465 + x^464 + x^461 + x^460 + x^457 + x^456 + x^455 + x^453 + x^450 + x^448 + x^444 + x^442 + x^436 + x^435 + x^434 + x^433 + x^432 + x^431 + x^430 + x^429 + x^422 + x^421 + x^420 + x^419 + x^418 + x^417 + x^416 + x^414 + x^413 + x^412 + x^411 + x^409 + x^408 + x^407 + x^406 + x^404 + x^403 + x^402 + x^401 + x^398 + x^395 + x^392 + x^391 + x^389 + x^387 + x^385 + x^380 + x^377 + x^374 + x^372 + x^371 + x^369 + x^366 + x^363 + x^362 + x^361 + x^359 + x^358 + x^356 + x^355 + x^354 + x^353 + x^352 + x^350 + x^349 + x^348 + x^347 + x^345 + x^344 + x^343 + x^336 + x^334 + x^331 + x^330 + x^327 + x^325 + x^324 + x^322 + x^317 + x^310 + x^308 + x^307 + x^304 + x^301 + x^300 + x^299 + x^298 + x^297 + x^293 + x^290 + x^286 + x^284 + x^283 + x^282 + x^281 + x^279 + x^277 + x^275 + x^274 + x^270 + x^269 + x^267 + x^264 + x^262 + x^259 + x^254 + x^253 + x^248 + x^247 + x^245 + x^243 + x^242 + x^241 + x^237 + x^236 + x^232 + x^231 + x^230 + x^229 + x^228 + x^226 + x^225 + x^224 + x^223 + x^221 + x^218 + x^215 + x^214 + x^213 + x^212 + x^210 + x^208 + x^204 + x^202 + x^201 + x^199 + x^196 + x^195 + x^193 + x^192 + x^191 + x^190 + x^186 + x^184 + x^179 + x^178 + x^177 + x^176 + x^175 + x^174 + x^173 + x^171 + x^169 + x^167 + x^166 + x^165 + x^160 + x^158 + x^155 + x^154 + x^153 + x^152 + x^151 + x^150 + x^149 + x^148 + x^147 + x^145 + x^143 + x^140 + x^139 + x^138 + x^134 + x^132 + x^130 + x^129 + x^128 + x^127 + x^120 + x^118 + x^117 + x^115 + x^113 + x^112 + x^109 + x^108 + x^107 + x^106 + x^105 + x^101 + x^100 + x^96 + x^95 + x^94 + x^93 + x^91 + x^89 + x^88 + x^87 + x^85 + x^84 + x^83 + x^82 + x^81 + x^79 + x^77 + x^75 + x^74 + x^73 + x^72 + x^70 + x^68 + x^67 + x^65 + x^64 + x^63 + x^60 + x^58 + x^57 + x^56 + x^54 + x^53 + x^52 + x^50 + x^45 + x^44 + x^43 + x^41 + x^35 + x^30 + x^23 + x^20 + x^18 + x^15 + x^6 + 1
+
+44-9-45 441 x^928 + x^898 + x^890 + x^885 + x^880 + x^872 + x^870 + x^867 + x^860 + x^850 + x^847 + x^842 + x^837 + x^834 + x^830 + x^825 + x^824 + x^817 + x^816 + x^811 + x^808 + x^806 + x^802 + x^800 + x^798 + x^797 + x^794 + x^792 + x^790 + x^787 + x^786 + x^782 + x^778 + x^777 + x^776 + x^774 + x^773 + x^772 + x^771 + x^769 + x^768 + x^767 + x^765 + x^760 + x^759 + x^758 + x^757 + x^754 + x^750 + x^749 + x^747 + x^746 + x^745 + x^743 + x^741 + x^738 + x^737 + x^736 + x^734 + x^732 + x^725 + x^724 + x^722 + x^721 + x^720 + x^717 + x^716 + x^714 + x^713 + x^710 + x^708 + x^707 + x^705 + x^704 + x^702 + x^701 + x^699 + x^698 + x^696 + x^694 + x^692 + x^691 + x^690 + x^686 + x^683 + x^681 + x^679 + x^676 + x^674 + x^673 + x^672 + x^671 + x^668 + x^667 + x^665 + x^664 + x^663 + x^662 + x^661 + x^659 + x^658 + x^657 + x^655 + x^654 + x^652 + x^651 + x^648 + x^644 + x^643 + x^641 + x^640 + x^635 + x^634 + x^633 + x^632 + x^631 + x^630 + x^629 + x^628 + x^624 + x^621 + x^619 + x^618 + x^617 + x^616 + x^614 + x^611 + x^610 + x^608 + x^607 + x^599 + x^598 + x^596 + x^594 + x^590 + x^589 + x^588 + x^587 + x^586 + x^584 + x^581 + x^579 + x^578 + x^577 + x^575 + x^573 + x^572 + x^570 + x^569 + x^568 + x^567 + x^565 + x^564 + x^563 + x^562 + x^561 + x^559 + x^558 + x^554 + x^553 + x^552 + x^551 + x^549 + x^546 + x^544 + x^541 + x^537 + x^536 + x^535 + x^532 + x^531 + x^529 + x^526 + x^517 + x^516 + x^514 + x^511 + x^509 + x^507 + x^502 + x^501 + x^498 + x^497 + x^495 + x^494 + x^493 + x^491 + x^487 + x^486 + x^485 + x^484 + x^483 + x^482 + x^481 + x^480 + x^477 + x^474 + x^473 + x^470 + x^469 + x^467 + x^466 + x^465 + x^463 + x^462 + x^461 + x^460 + x^459 + x^457 + x^455 + x^454 + x^453 + x^451 + x^449 + x^448 + x^446 + x^443 + x^442 + x^440 + x^437 + x^436 + x^435 + x^434 + x^433 + x^431 + x^430 + x^427 + x^423 + x^419 + x^418 + x^414 + x^412 + x^411 + x^410 + x^409 + x^407 + x^406 + x^405 + x^402 + x^397 + x^395 + x^394 + x^389 + x^388 + x^384 + x^381 + x^380 + x^379 + x^378 + x^376 + x^373 + x^372 + x^371 + x^370 + x^368 + x^367 + x^366 + x^365 + x^364 + x^362 + x^361 + x^355 + x^354 + x^352 + x^350 + x^347 + x^345 + x^344 + x^343 + x^342 + x^339 + x^337 + x^335 + x^333 + x^332 + x^329 + x^327 + x^323 + x^322 + x^321 + x^320 + x^319 + x^316 + x^312 + x^310 + x^309 + x^308 + x^307 + x^305 + x^303 + x^302 + x^301 + x^298 + x^294 + x^293 + x^283 + x^282 + x^276 + x^275 + x^274 + x^271 + x^267 + x^264 + x^262 + x^261 + x^259 + x^258 + x^257 + x^256 + x^253 + x^252 + x^251 + x^250 + x^246 + x^245 + x^244 + x^243 + x^242 + x^241 + x^240 + x^238 + x^237 + x^236 + x^235 + x^233 + x^232 + x^229 + x^228 + x^225 + x^224 + x^223 + x^220 + x^216 + x^211 + x^210 + x^207 + x^205 + x^204 + x^202 + x^201 + x^200 + x^197 + x^196 + x^195 + x^194 + x^190 + x^189 + x^185 + x^183 + x^182 + x^181 + x^180 + x^179 + x^177 + x^176 + x^174 + x^173 + x^172 + x^171 + x^168 + x^167 + x^164 + x^163 + x^157 + x^156 + x^152 + x^151 + x^150 + x^148 + x^147 + x^146 + x^143 + x^142 + x^141 + x^140 + x^139 + x^138 + x^137 + x^135 + x^134 + x^133 + x^132 + x^129 + x^128 + x^127 + x^125 + x^122 + x^120 + x^119 + x^113 + x^112 + x^110 + x^109 + x^108 + x^107 + x^106 + x^105 + x^104 + x^101 + x^98 + x^97 + x^96 + x^93 + x^92 + x^91 + x^87 + x^83 + x^80 + x^78 + x^77 + x^74 + x^72 + x^66 + x^64 + x^63 + x^60 + x^59 + x^56 + x^51 + x^50 + x^49 + x^46 + x^43 + x^42 + x^41 + x^39 + x^38 + x^32 + x^31 + x^29 + x^28 + x^26 + x^24 + x^23 + x^21 + x^20 + x^19 + x^18 + x^15 + x^10 + 1
diff --git a/lib/stdlib/test/stdlib.spec b/lib/stdlib/test/stdlib.spec
index 9c625091a8..4de7c1a0eb 100644
--- a/lib/stdlib/test/stdlib.spec
+++ b/lib/stdlib/test/stdlib.spec
@@ -1,4 +1,4 @@
{suites,"../stdlib_test",all}.
{skip_groups,"../stdlib_test",stdlib_bench_SUITE,
- [base64,gen_server,gen_statem,unicode],
+ [binary,base64,gen_server,gen_statem,unicode],
"Benchmark only"}.
diff --git a/lib/stdlib/test/stdlib_bench_SUITE.erl b/lib/stdlib/test/stdlib_bench_SUITE.erl
index 2364e8376f..b937eeb06a 100644
--- a/lib/stdlib/test/stdlib_bench_SUITE.erl
+++ b/lib/stdlib/test/stdlib_bench_SUITE.erl
@@ -29,7 +29,7 @@ suite() -> [{ct_hooks,[{ts_install_cth,[{nodenames,2}]}]}].
all() ->
- [{group,unicode},{group,base64},
+ [{group,unicode},{group,base64},{group,binary},
{group,gen_server},{group,gen_statem},
{group,gen_server_comparison},{group,gen_statem_comparison}].
@@ -38,6 +38,11 @@ groups() ->
[norm_nfc_list, norm_nfc_deep_l, norm_nfc_binary,
string_lexemes_list, string_lexemes_binary
]},
+ {binary, [{repeat, 5}],
+ [match_single_pattern_no_match,
+ matches_single_pattern_no_match,
+ matches_single_pattern_eventual_match,
+ matches_single_pattern_frequent_match]},
{base64,[{repeat,5}],
[decode_binary, decode_binary_to_string,
decode_list, decode_list_to_string,
@@ -157,41 +162,59 @@ norm_data(Config) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+match_single_pattern_no_match(_Config) ->
+ Binary = binary:copy(<<"ugbcfuysabfuqyfikgfsdalpaskfhgjsdgfjwsalp">>, 1000000),
+ comment(test(binary, match, [Binary, <<"o">>])).
+
+matches_single_pattern_no_match(_Config) ->
+ Binary = binary:copy(<<"ugbcfuysabfuqyfikgfsdalpaskfhgjsdgfjwsalp">>, 1000000),
+ comment(test(binary, matches, [Binary, <<"o">>])).
+
+matches_single_pattern_eventual_match(_Config) ->
+ Binary = binary:copy(<<"ugbcfuysabfuqyfikgfsdalpaskfhgjsdgfjwsal\n">>, 1000000),
+ comment(test(binary, matches, [Binary, <<"\n">>])).
+
+matches_single_pattern_frequent_match(_Config) ->
+ Binary = binary:copy(<<"abc\n">>, 1000000),
+ comment(test(binary, matches, [Binary, <<"abc">>])).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
decode_binary(_Config) ->
- comment(test(decode, encoded_binary())).
+ comment(test(base64, decode, [encoded_binary()])).
decode_binary_to_string(_Config) ->
- comment(test(decode_to_string, encoded_binary())).
+ comment(test(base64, decode_to_string, [encoded_binary()])).
decode_list(_Config) ->
- comment(test(decode, encoded_list())).
+ comment(test(base64, decode, [encoded_list()])).
decode_list_to_string(_Config) ->
- comment(test(decode_to_string, encoded_list())).
+ comment(test(base64, decode_to_string, [encoded_list()])).
encode_binary(_Config) ->
- comment(test(encode, binary())).
+ comment(test(base64, encode, [binary()])).
encode_binary_to_string(_Config) ->
- comment(test(encode_to_string, binary())).
+ comment(test(base64, encode_to_string, [binary()])).
encode_list(_Config) ->
- comment(test(encode, list())).
+ comment(test(base64, encode, [list()])).
encode_list_to_string(_Config) ->
- comment(test(encode_to_string, list())).
+ comment(test(base64, encode_to_string, [list()])).
mime_binary_decode(_Config) ->
- comment(test(mime_decode, encoded_binary())).
+ comment(test(base64, mime_decode, [encoded_binary()])).
mime_binary_decode_to_string(_Config) ->
- comment(test(mime_decode_to_string, encoded_binary())).
+ comment(test(base64, mime_decode_to_string, [encoded_binary()])).
mime_list_decode(_Config) ->
- comment(test(mime_decode, encoded_list())).
+ comment(test(base64, mime_decode, [encoded_list()])).
mime_list_decode_to_string(_Config) ->
- comment(test(mime_decode_to_string, encoded_list())).
+ comment(test(base64, mime_decode_to_string, [encoded_list()])).
-define(SIZE, 10000).
-define(N, 1000).
@@ -209,15 +232,15 @@ binary() ->
list() ->
random_byte_list(?SIZE).
-test(Func, Data) ->
- F = fun() -> loop(?N, Func, Data) end,
+test(Mod, Fun, Args) ->
+ F = fun() -> loop(?N, Mod, Fun, Args) end,
{Time, ok} = timer:tc(fun() -> lspawn(F) end),
- report_base64(Time).
+ report_mfa(Time, Mod).
-loop(0, _F, _D) -> garbage_collect(), ok;
-loop(N, F, D) ->
- _ = base64:F(D),
- loop(N - 1, F, D).
+loop(0, _M, _F, _A) -> garbage_collect(), ok;
+loop(N, M, F, A) ->
+ _ = apply(M, F, A),
+ loop(N - 1, M, F, A).
lspawn(Fun) ->
{Pid, Ref} = spawn_monitor(fun() -> exit(Fun()) end),
@@ -225,10 +248,10 @@ lspawn(Fun) ->
{'DOWN', Ref, process, Pid, Rep} -> Rep
end.
-report_base64(Time) ->
+report_mfa(Time, Mod) ->
Tps = round((?N*1000000)/Time),
ct_event:notify(#event{name = benchmark_data,
- data = [{suite, "stdlib_base64"},
+ data = [{suite, "stdlib_" ++ atom_to_list(Mod)},
{value, Tps}]}),
Tps.
diff --git a/lib/stdlib/test/uri_string_SUITE.erl b/lib/stdlib/test/uri_string_SUITE.erl
index 4fc0d76be8..ddaead9c7c 100644
--- a/lib/stdlib/test/uri_string_SUITE.erl
+++ b/lib/stdlib/test/uri_string_SUITE.erl
@@ -862,9 +862,11 @@ transcode_negative(_Config) ->
compose_query(_Config) ->
[] = uri_string:compose_query([]),
"foo=1&bar=2" = uri_string:compose_query([{<<"foo">>,"1"}, {"bar", "2"}]),
+ "foo=1&bar" = uri_string:compose_query([{<<"foo">>,"1"}, {"bar", true}]),
"foo=1&b%C3%A4r=2" = uri_string:compose_query([{"foo","1"}, {"bär", "2"}],[{encoding,utf8}]),
"foo=1&b%C3%A4r=2" = uri_string:compose_query([{"foo","1"}, {"bär", "2"}],[{encoding,unicode}]),
"foo=1&b%E4r=2" = uri_string:compose_query([{"foo","1"}, {"bär", "2"}],[{encoding,latin1}]),
+ "foo&b%E4r=2" = uri_string:compose_query([{"foo",true}, {"bär", "2"}],[{encoding,latin1}]),
"foo+bar=1&%E5%90%88=2" = uri_string:compose_query([{"foo bar","1"}, {"合", "2"}]),
"foo+bar=1&%26%2321512%3B=2" =
uri_string:compose_query([{"foo bar","1"}, {"合", "2"}],[{encoding,latin1}]),
@@ -906,11 +908,13 @@ dissect_query(_Config) ->
[{"föo bar","1"},{"ö","2"}] =
uri_string:dissect_query("föo+bar=1&%C3%B6=2"),
[{<<"föo bar"/utf8>>,<<"1">>},{<<"ö"/utf8>>,<<"2">>}] =
- uri_string:dissect_query(<<"föo+bar=1&%C3%B6=2"/utf8>>).
+ uri_string:dissect_query(<<"föo+bar=1&%C3%B6=2"/utf8>>),
+ [{"foo1",true},{"bar","2"}] =
+ uri_string:dissect_query("foo1&bar=2"),
+ [{<<"foo1">>,<<"1">>},{<<"bar">>,true}] =
+ uri_string:dissect_query(<<"foo1=1&bar">>).
dissect_query_negative(_Config) ->
- {error,missing_value,"&"} =
- uri_string:dissect_query("foo1&bar=2"),
{error,invalid_percent_encoding,"%XX%B6"} = uri_string:dissect_query("foo=%XX%B6&amp;bar=2"),
{error,invalid_input,[153]} =
uri_string:dissect_query("foo=%99%B6&amp;bar=2"),
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-11 23:00:21 +0000