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-rw-r--r--lib/stdlib/doc/src/ets.xml2
-rw-r--r--lib/stdlib/doc/src/gen_statem.xml228
-rw-r--r--lib/stdlib/doc/src/notes.xml35
-rw-r--r--lib/stdlib/doc/src/rand.xml61
-rw-r--r--lib/stdlib/doc/src/supervisor.xml14
-rw-r--r--lib/stdlib/src/gen_statem.erl261
-rw-r--r--lib/stdlib/src/io_lib_format.erl3
-rw-r--r--lib/stdlib/src/proc_lib.erl93
-rw-r--r--lib/stdlib/src/rand.erl433
-rw-r--r--lib/stdlib/src/stdlib.appup.src6
-rw-r--r--lib/stdlib/test/beam_lib_SUITE.erl2
-rw-r--r--lib/stdlib/test/gen_statem_SUITE.erl73
-rw-r--r--lib/stdlib/test/rand_SUITE.erl376
-rw-r--r--lib/stdlib/test/rand_Xoroshiro928ss_dev.txt343
-rw-r--r--lib/stdlib/test/re_SUITE_data/testoutput216
-rw-r--r--lib/stdlib/test/re_SUITE_data/testoutput58
-rw-r--r--lib/stdlib/test/supervisor_SUITE.erl7
-rw-r--r--lib/stdlib/vsn.mk2
18 files changed, 1522 insertions, 441 deletions
diff --git a/lib/stdlib/doc/src/ets.xml b/lib/stdlib/doc/src/ets.xml
index 0e67634d23..57a19ef2ca 100644
--- a/lib/stdlib/doc/src/ets.xml
+++ b/lib/stdlib/doc/src/ets.xml
@@ -1023,7 +1023,7 @@ ets:select(Table, MatchSpec),</code>
be used in subsequent operations. The table identifier can be
sent to other processes so that a table can be shared between
different processes within a node.</p>
- <p>Parameter <c><anno>Options</anno></c> is a list of atoms that
+ <p>Parameter <c><anno>Options</anno></c> is a list of options that
specifies table type, access rights, key position, and whether the
table is named. Default values are used for omitted options.
This means that not specifying any options (<c>[]</c>) is the same
diff --git a/lib/stdlib/doc/src/gen_statem.xml b/lib/stdlib/doc/src/gen_statem.xml
index eb0f7d24f0..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>,
- which cannot happen for a subsequent state change,
- but will happen when repeating the state enter call.
+ 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 <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>
@@ -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>.
@@ -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:
diff --git a/lib/stdlib/doc/src/notes.xml b/lib/stdlib/doc/src/notes.xml
index 8b6de03f5f..318643aef8 100644
--- a/lib/stdlib/doc/src/notes.xml
+++ b/lib/stdlib/doc/src/notes.xml
@@ -31,6 +31,41 @@
</header>
<p>This document describes the changes made to the STDLIB application.</p>
+<section><title>STDLIB 3.6</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>The specs of <c>filename:basedir/2,3</c> are
+ corrected.</p>
+ <p>
+ Own Id: OTP-15252 Aux Id: ERL-667 </p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p> Let <c>dets:open_file()</c> exit with a <c>badarg</c>
+ message if given a raw file name (a binary). </p>
+ <p>
+ Own Id: OTP-15253 Aux Id: OTP-13229, ERL-55 </p>
+ </item>
+ <item>
+ <p> The <c>Format</c> argument of the formatting
+ functions in modules <c>io</c> and <c>io_lib</c> is
+ accepted even if it is, for example, a list of binaries.
+ This is how it used to be before Erlang/OTP 21.0. </p>
+ <p>
+ Own Id: OTP-15304</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>STDLIB 3.5.1</title>
<section><title>Fixed Bugs and Malfunctions</title>
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/doc/src/supervisor.xml b/lib/stdlib/doc/src/supervisor.xml
index 6d5065ca02..5fd5760499 100644
--- a/lib/stdlib/doc/src/supervisor.xml
+++ b/lib/stdlib/doc/src/supervisor.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1996</year><year>2017</year>
+ <year>1996</year><year>2018</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -208,8 +208,16 @@ child_spec() = #{id => child_id(), % mandatory
the child process is unconditionally terminated using
<c>exit(Child,kill)</c>.</p>
<p>If the child process is another supervisor, the shutdown time
- is to be set to <c>infinity</c> to give the subtree ample
- time to shut down. It is also allowed to set it to <c>infinity</c>,
+ must be set to <c>infinity</c> to give the subtree ample
+ time to shut down.</p>
+ <warning>
+ <p>Setting the shutdown time to anything other
+ than <c>infinity</c> for a child of type <c>supervisor</c>
+ can cause a race condition where the child in question
+ unlinks its own children, but fails to terminate them
+ before it is killed.</p>
+ </warning>
+ <p>It is also allowed to set it to <c>infinity</c>,
if the child process is a worker.</p>
<warning>
<p>Be careful when setting the shutdown time to
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/io_lib_format.erl b/lib/stdlib/src/io_lib_format.erl
index e247b00a04..ab9031573b 100644
--- a/lib/stdlib/src/io_lib_format.erl
+++ b/lib/stdlib/src/io_lib_format.erl
@@ -246,7 +246,8 @@ count_small([#{control_char := $W}|Cs], #{w := W} = Cnts) ->
count_small(Cs, Cnts#{w := W + 1});
count_small([#{control_char := $s}|Cs], #{w := W} = Cnts) ->
count_small(Cs, Cnts#{w := W + 1});
-count_small([S|Cs], #{other := Other} = Cnts) when is_list(S) ->
+count_small([S|Cs], #{other := Other} = Cnts) when is_list(S);
+ is_binary(S) ->
count_small(Cs, Cnts#{other := Other + string:length(S)});
count_small([C|Cs], #{other := Other} = Cnts) when is_integer(C) ->
count_small(Cs, Cnts#{other := Other + 1});
diff --git a/lib/stdlib/src/proc_lib.erl b/lib/stdlib/src/proc_lib.erl
index d07c62500b..cfbaf8b242 100644
--- a/lib/stdlib/src/proc_lib.erl
+++ b/lib/stdlib/src/proc_lib.erl
@@ -757,7 +757,8 @@ check(Res) -> Res.
report_cb(#{label:={proc_lib,crash}, report:=CrashReport}, Extra) ->
Default = #{chars_limit => unlimited,
depth => unlimited,
- encoding => latin1},
+ single_line => false,
+ encoding => utf8},
do_format(CrashReport, maps:merge(Default,Extra)).
-spec format(CrashReport) -> string() when
@@ -780,33 +781,48 @@ format(CrashReport, Encoding) ->
format(CrashReport, Encoding, Depth) ->
do_format(CrashReport, #{chars_limit => unlimited,
depth => Depth,
- encoding => Encoding}).
-
-do_format([OwnReport,LinkReport], Extra) ->
- MyIndent = " ",
+ encoding => Encoding,
+ single_line => false}).
+
+do_format([OwnReport,LinkReport], #{single_line:=Single}=Extra) ->
+ Indent = if Single -> "";
+ true -> " "
+ end,
+ MyIndent = Indent ++ Indent,
+ Sep = nl(Single,"; "),
OwnFormat = format_report(OwnReport, MyIndent, Extra),
- LinkFormat = format_link_report(LinkReport, MyIndent, Extra),
- Str = io_lib:format(" crasher:~n~ts neighbours:~n~ts",
- [OwnFormat, LinkFormat]),
+ LinkFormat = lists:join(Sep,format_link_report(LinkReport, MyIndent, Extra)),
+ Nl = nl(Single," "),
+ Str = io_lib:format("~scrasher:"++Nl++"~ts"++Sep++"~sneighbours:"++Nl++"~ts",
+ [Indent,OwnFormat,Indent,LinkFormat]),
lists:flatten(Str).
-format_link_report([Link|Reps], Indent, Extra) ->
+format_link_report([Link|Reps], Indent0, #{single_line:=Single}=Extra) ->
Rep = case Link of
{neighbour,Rep0} -> Rep0;
_ -> Link
end,
+ Indent = if Single -> "";
+ true -> Indent0
+ end,
LinkIndent = [" ",Indent],
- [Indent,"neighbour:\n",format_report(Rep, LinkIndent, Extra)|
+ [[Indent,"neighbour:",nl(Single," "),format_report(Rep, LinkIndent, Extra)]|
format_link_report(Reps, Indent, Extra)];
format_link_report(Rep, Indent, Extra) ->
format_report(Rep, Indent, Extra).
-format_report(Rep, Indent, Extra) when is_list(Rep) ->
- format_rep(Rep, Indent, Extra);
-format_report(Rep, Indent, #{encoding:=Enc,depth:=unlimited}) ->
- io_lib:format("~s~"++modifier(Enc)++"p~n", [Indent, Rep]);
-format_report(Rep, Indent, #{encoding:=Enc,depth:=Depth}) ->
- io_lib:format("~s~"++modifier(Enc)++"P~n", [Indent, Rep, Depth]).
+format_report(Rep, Indent, #{single_line:=Single}=Extra) when is_list(Rep) ->
+ lists:join(nl(Single,", "),format_rep(Rep, Indent, Extra));
+format_report(Rep, Indent0, #{encoding:=Enc,depth:=Depth,
+ chars_limit:=Limit,single_line:=Single}) ->
+ {P,Tl} = p(Enc,Depth),
+ {Indent,Width} = if Single -> {"","0"};
+ true -> {Indent0,""}
+ end,
+ Opts = if is_integer(Limit) -> [{chars_limit,Limit}];
+ true -> []
+ end,
+ io_lib:format("~s~"++Width++P, [Indent, Rep | Tl], Opts).
format_rep([{initial_call,InitialCall}|Rep], Indent, Extra) ->
[format_mfa(Indent, InitialCall, Extra)|format_rep(Rep, Indent, Extra)];
@@ -818,19 +834,32 @@ format_rep([{Tag,Data}|Rep], Indent, Extra) ->
format_rep(_, _, _Extra) ->
[].
-format_exception(Class, Reason, StackTrace, #{encoding:=Enc}=Extra) ->
+format_exception(Class, Reason, StackTrace,
+ #{encoding:=Enc,depth:=Depth,chars_limit:=Limit,
+ single_line:=Single}=Extra) ->
PF = pp_fun(Extra),
StackFun = fun(M, _F, _A) -> (M =:= erl_eval) or (M =:= ?MODULE) end,
- %% EI = " exception: ",
- EI = " ",
- [EI, erl_error:format_exception(1+length(EI), Class, Reason,
- StackTrace, StackFun, PF, Enc), "\n"].
+ if Single ->
+ {P,Tl} = p(Enc,Depth),
+ Opts = if is_integer(Limit) -> [{chars_limit,Limit}];
+ true -> []
+ end,
+ [atom_to_list(Class), ": ",
+ io_lib:format("~0"++P,[{Reason,StackTrace}|Tl],Opts)];
+ true ->
+ EI = " ",
+ [EI, erl_error:format_exception(1+length(EI), Class, Reason,
+ StackTrace, StackFun, PF, Enc)]
+ end.
-format_mfa(Indent, {M,F,Args}=StartF, #{encoding:=Enc}=Extra) ->
+format_mfa(Indent0, {M,F,Args}=StartF, #{encoding:=Enc,single_line:=Single}=Extra) ->
+ Indent = if Single -> "";
+ true -> Indent0
+ end,
try
A = length(Args),
[Indent,"initial call: ",atom_to_list(M),$:,to_string(F, Enc),$/,
- integer_to_list(A),"\n"]
+ integer_to_list(A)]
catch
error:_ ->
format_tag(Indent, initial_call, StartF, Extra)
@@ -841,21 +870,29 @@ to_string(A, latin1) ->
to_string(A, _) ->
io_lib:write_atom(A).
-pp_fun(#{encoding:=Enc,depth:=Depth,chars_limit:=Limit}) ->
+pp_fun(#{encoding:=Enc,depth:=Depth,chars_limit:=Limit,single_line:=Single}) ->
{P,Tl} = p(Enc, Depth),
+ Width = if Single -> "0";
+ true -> ""
+ end,
Opts = if is_integer(Limit) -> [{chars_limit,Limit}];
true -> []
end,
fun(Term, I) ->
- io_lib:format("~." ++ integer_to_list(I) ++ P, [Term|Tl], Opts)
+ io_lib:format("~" ++ Width ++ "." ++ integer_to_list(I) ++ P,
+ [Term|Tl], Opts)
end.
-format_tag(Indent, Tag, Data, #{encoding:=Enc,depth:=Depth,chars_limit:=Limit}) ->
+format_tag(Indent0, Tag, Data, #{encoding:=Enc,depth:=Depth,chars_limit:=Limit,single_line:=Single}) ->
{P,Tl} = p(Enc, Depth),
+ {Indent,Width} = if Single -> {"","0"};
+ true -> {Indent0,""}
+ end,
Opts = if is_integer(Limit) -> [{chars_limit,Limit}];
true -> []
end,
- io_lib:format("~s~p: ~80.18" ++ P ++ "\n", [Indent, Tag, Data|Tl], Opts).
+ io_lib:format("~s~" ++ Width ++ "p: ~" ++ Width ++ ".18" ++ P,
+ [Indent, Tag, Data|Tl], Opts).
p(Encoding, Depth) ->
{Letter, Tl} = case Depth of
@@ -868,6 +905,8 @@ p(Encoding, Depth) ->
modifier(latin1) -> "";
modifier(_) -> "t".
+nl(true,Else) -> Else;
+nl(false,_) -> "\n".
%%% -----------------------------------------------------------
%%% Stop a process and wait for it to terminate
diff --git a/lib/stdlib/src/rand.erl b/lib/stdlib/src/rand.erl
index 4951dc727b..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
@@ -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/stdlib.appup.src b/lib/stdlib/src/stdlib.appup.src
index 8d1cc09a8b..8c0b186288 100644
--- a/lib/stdlib/src/stdlib.appup.src
+++ b/lib/stdlib/src/stdlib.appup.src
@@ -19,8 +19,10 @@
{"%VSN%",
%% Up from - max one major revision back
[{<<"3\\.4(\\.[0-9]+)*">>,[restart_new_emulator]}, % OTP-20.*
- {<<"3\\.5(\\.[0-9]+)*">>,[restart_new_emulator]}],% OTP-21.*
+ {<<"3\\.5(\\.[0-9]+)*">>,[restart_new_emulator]}, % OTP-21.0
+ {<<"3\\.6(\\.[0-9]+)*">>,[restart_new_emulator]}],% OTP-21.1
%% Down to - max one major revision back
[{<<"3\\.4(\\.[0-9]+)*">>,[restart_new_emulator]}, % OTP-20.*
- {<<"3\\.5(\\.[0-9]+)*">>,[restart_new_emulator]}] % OTP-20.*
+ {<<"3\\.5(\\.[0-9]+)*">>,[restart_new_emulator]}, % OTP-21.0
+ {<<"3\\.6(\\.[0-9]+)*">>,[restart_new_emulator]}] % OTP-21.1
}.
diff --git a/lib/stdlib/test/beam_lib_SUITE.erl b/lib/stdlib/test/beam_lib_SUITE.erl
index 3597d6d94b..6418dc7eb6 100644
--- a/lib/stdlib/test/beam_lib_SUITE.erl
+++ b/lib/stdlib/test/beam_lib_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2018. 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.
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/rand_SUITE.erl b/lib/stdlib/test/rand_SUITE.erl
index d753d929f5..6c9fab51dc 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),
@@ -475,10 +471,11 @@ stats_standard_normal_box_muller_2(Config) when is_list(Config) ->
stats_standard_normal(Config) when is_list(Config) ->
+ Retries = 7,
try math:erfc(1.0) of
_ ->
stats_standard_normal(
- fun rand:normal_s/1, rand:seed_s(exrop), 3)
+ fun rand:normal_s/1, rand:seed_s(exrop), Retries)
catch error:_ ->
{skip, "math:erfc/1 not supported"}
end.
@@ -852,7 +849,8 @@ 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 +1099,10 @@ 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 +1118,7 @@ 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 +1143,156 @@ 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 +1443,50 @@ 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 +1548,7 @@ 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 +1613,50 @@ 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
+
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+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/re_SUITE_data/testoutput2 b/lib/stdlib/test/re_SUITE_data/testoutput2
index 811bbefc84..61ed8d9d4e 100644
--- a/lib/stdlib/test/re_SUITE_data/testoutput2
+++ b/lib/stdlib/test/re_SUITE_data/testoutput2
@@ -14705,4 +14705,20 @@ No options
No first char
No need char
+"(?<=(a))\1?b"
+ ab
+ 0: b
+ 1: a
+ aaab
+ 0: ab
+ 1: a
+
+"(?=(a))\1?b"
+ ab
+ 0: ab
+ 1: a
+ aaab
+ 0: ab
+ 1: a
+
/-- End of testinput2 --/
diff --git a/lib/stdlib/test/re_SUITE_data/testoutput5 b/lib/stdlib/test/re_SUITE_data/testoutput5
index bab989ca7e..090e1e1c85 100644
--- a/lib/stdlib/test/re_SUITE_data/testoutput5
+++ b/lib/stdlib/test/re_SUITE_data/testoutput5
@@ -1942,4 +1942,12 @@ Need char = 'z'
0: \x{17f}
0+
+/\C[^\v]+\x80/8
+ [AΏBŀC]
+No match
+
+/\C[^\d]+\x80/8
+ [AΏBŀC]
+No match
+
/-- End of testinput5 --/
diff --git a/lib/stdlib/test/supervisor_SUITE.erl b/lib/stdlib/test/supervisor_SUITE.erl
index ed7dd04171..9370067910 100644
--- a/lib/stdlib/test/supervisor_SUITE.erl
+++ b/lib/stdlib/test/supervisor_SUITE.erl
@@ -2339,6 +2339,13 @@ order_of_children(_Config) ->
%% Test that a non-simple supervisor scales well for starting and
%% stopping many children.
scale_start_stop_many_children(_Config) ->
+ case erlang:system_info(build_type) of
+ opt -> scale_start_stop_many_children();
+ Other -> {skip,"Run on build type 'opt' only (current: '" ++
+ atom_to_list(Other)++"')"}
+ end.
+
+scale_start_stop_many_children() ->
process_flag(trap_exit, true),
{ok, _Pid} = start_link({ok, {{one_for_one, 2, 3600}, []}}),
N1 = 1000,
diff --git a/lib/stdlib/vsn.mk b/lib/stdlib/vsn.mk
index 1d833430f1..caf5ecdbb4 100644
--- a/lib/stdlib/vsn.mk
+++ b/lib/stdlib/vsn.mk
@@ -1 +1 @@
-STDLIB_VSN = 3.5.1
+STDLIB_VSN = 3.6
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-13 04:07:07 +0000