diff options
26 files changed, 1476 insertions, 41 deletions
diff --git a/erts/configure.in b/erts/configure.in index 2d234e5f66..91c06973ac 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -4734,12 +4734,12 @@ fi AC_CHECK_PROGS(JAVAC, $check_javac) if test -n "$JAVAC"; then - dnl Make sure it's at least JDK 1.5 - AC_CACHE_CHECK(for JDK version 1.5, - ac_cv_prog_javac_ver_1_5, + dnl Make sure it's at least JDK 1.6 + AC_CACHE_CHECK(for JDK version 1.6, + ac_cv_prog_javac_ver_1_6, [ERL_TRY_LINK_JAVA([], [for (String i : args);], - ac_cv_prog_javac_ver_1_5=yes, ac_cv_prog_javac_ver_1_5=no)]) - if test $ac_cv_prog_javac_ver_1_5 = no; then + ac_cv_prog_javac_ver_1_6=yes, ac_cv_prog_javac_ver_1_6=no)]) + if test $ac_cv_prog_javac_ver_1_6 = no; then unset -v JAVAC fi fi diff --git a/erts/emulator/beam/erl_arith.c b/erts/emulator/beam/erl_arith.c index 5150a8a507..47d516534f 100644 --- a/erts/emulator/beam/erl_arith.c +++ b/erts/emulator/beam/erl_arith.c @@ -2048,3 +2048,8 @@ Eterm erts_gc_bnot(Process* p, Eterm* reg, Uint live) } return result; } + +/* Needed to remove compiler optimization */ +double erts_get_positive_zero_float() { + return 0.0f; +} diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h index 40b043d1cc..54fba9274f 100644 --- a/erts/emulator/beam/global.h +++ b/erts/emulator/beam/global.h @@ -867,6 +867,9 @@ void print_process_info(int, void *, Process*); void info(int, void *); void loaded(int, void *); +/* erl_arith.c */ +double erts_get_positive_zero_float(void); + /* config.c */ __decl_noreturn void __noreturn erl_exit(int n, char*, ...); diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c index 8f6335d5dd..51de3528be 100644 --- a/erts/emulator/beam/utils.c +++ b/erts/emulator/beam/utils.c @@ -958,7 +958,8 @@ tail_recur: FloatDef ff; GET_DOUBLE(term, ff); if (ff.fd == 0.0f) { - ff.fd = 0.0f; /* ensure pos. 0.0 */ + /* ensure positive 0.0 */ + ff.fd = erts_get_positive_zero_float(); } hash = hash*FUNNY_NUMBER6 + (ff.fw[0] ^ ff.fw[1]); break; @@ -1477,7 +1478,8 @@ make_hash2(Eterm term) FloatDef ff; GET_DOUBLE(term, ff); if (ff.fd == 0.0f) { - ff.fd = 0.0f; /* ensure pos. 0.0 */ + /* ensure positive 0.0 */ + ff.fd = erts_get_positive_zero_float(); } #if defined(WORDS_BIGENDIAN) || defined(DOUBLE_MIDDLE_ENDIAN) UINT32_HASH_2(ff.fw[0], ff.fw[1], HCONST_12); @@ -1899,7 +1901,8 @@ make_internal_hash(Eterm term) FloatDef ff; GET_DOUBLE(term, ff); if (ff.fd == 0.0f) { - ff.fd = 0.0f; /* ensure pos. 0.0 */ + /* ensure positive 0.0 */ + ff.fd = erts_get_positive_zero_float(); } UINT32_HASH_2(ff.fw[0], ff.fw[1], HCONST_12); goto pop_next; @@ -2087,7 +2090,8 @@ tail_recur: FloatDef ff; GET_DOUBLE(term, ff); if (ff.fd == 0.0f) { - ff.fd = 0.0f; /* ensure pos. 0.0 */ + /* ensure positive 0.0 */ + ff.fd = erts_get_positive_zero_float(); } hash = hash*FUNNY_NUMBER6 + (ff.fw[0] ^ ff.fw[1]); } diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl index b54d125774..22810c910c 100644 --- a/lib/compiler/src/compile.erl +++ b/lib/compiler/src/compile.erl @@ -920,28 +920,35 @@ transform_module(#compile{options=Opt,code=Code0}=St0) -> foldl_transform(St, [T|Ts]) -> Name = "transform " ++ atom_to_list(T), - Fun = fun(S) -> T:parse_transform(S#compile.code, S#compile.options) end, - Run = case member(time, St#compile.options) of - true -> fun run_tc/2; - false -> fun({_Name,F}, S) -> catch F(S) end - end, - case Run({Name, Fun}, St) of - {error,Es,Ws} -> - {error,St#compile{warnings=St#compile.warnings ++ Ws, - errors=St#compile.errors ++ Es}}; - {'EXIT',{undef,_}} -> - Es = [{St#compile.ifile,[{none,compile, - {undef_parse_transform,T}}]}], - {error,St#compile{errors=St#compile.errors ++ Es}}; - {'EXIT',R} -> - Es = [{St#compile.ifile,[{none,compile,{parse_transform,T,R}}]}], - {error,St#compile{errors=St#compile.errors ++ Es}}; - {warning, Forms, Ws} -> - foldl_transform( - St#compile{code=Forms, - warnings=St#compile.warnings ++ Ws}, Ts); - Forms -> - foldl_transform(St#compile{code=Forms}, Ts) + case code:ensure_loaded(T) =:= {module,T} andalso + erlang:function_exported(T, parse_transform, 2) of + true -> + Fun = fun(S) -> + T:parse_transform(S#compile.code, S#compile.options) + end, + Run = case member(time, St#compile.options) of + true -> fun run_tc/2; + false -> fun({_Name,F}, S) -> catch F(S) end + end, + case Run({Name, Fun}, St) of + {error,Es,Ws} -> + {error,St#compile{warnings=St#compile.warnings ++ Ws, + errors=St#compile.errors ++ Es}}; + {'EXIT',R} -> + Es = [{St#compile.ifile,[{none,compile, + {parse_transform,T,R}}]}], + {error,St#compile{errors=St#compile.errors ++ Es}}; + {warning, Forms, Ws} -> + foldl_transform( + St#compile{code=Forms, + warnings=St#compile.warnings ++ Ws}, Ts); + Forms -> + foldl_transform(St#compile{code=Forms}, Ts) + end; + false -> + Es = [{St#compile.ifile,[{none,compile, + {undef_parse_transform,T}}]}], + {error,St#compile{errors=St#compile.errors ++ Es}} end; foldl_transform(St, []) -> {ok,St}. diff --git a/lib/compiler/test/error_SUITE.erl b/lib/compiler/test/error_SUITE.erl index 0d23f12fb5..acd785cc5a 100644 --- a/lib/compiler/test/error_SUITE.erl +++ b/lib/compiler/test/error_SUITE.erl @@ -235,10 +235,18 @@ transforms(Config) -> ">>, {error,[{none,compile,{parse_transform,?MODULE,{too_bad,_}}}],[]} = run_test(Ts2, test_filename(Config), [], dont_write_beam), + Ts3 = <<" + -compile({parse_transform,",?MODULE_STRING,"}). + ">>, + {error,[{none,compile,{parse_transform,?MODULE,{undef,_}}}],[]} = + run_test(Ts3, test_filename(Config), [call_undef], dont_write_beam), ok. -parse_transform(_, _) -> - error(too_bad). +parse_transform(_, Opts) -> + case lists:member(call_undef, Opts) of + false -> error(too_bad); + true -> camembert:délicieux() + end. maps_warnings(Config) when is_list(Config) -> diff --git a/lib/eldap/vsn.mk b/lib/eldap/vsn.mk index adca41ed63..105a2bcdbb 100644 --- a/lib/eldap/vsn.mk +++ b/lib/eldap/vsn.mk @@ -1 +1 @@ -ELDAP_VSN = 1.1.1 +ELDAP_VSN = 1.2 diff --git a/lib/erl_docgen/priv/css/otp_doc.css b/lib/erl_docgen/priv/css/otp_doc.css index 2aae87a759..0b531db701 100644 --- a/lib/erl_docgen/priv/css/otp_doc.css +++ b/lib/erl_docgen/priv/css/otp_doc.css @@ -126,6 +126,11 @@ span.code { font-family: Courier, monospace; font-weight: normal } background-color:#eeeeff; padding: 0px 10px; } +.extrafrontpageinfo { + color: #C00; + font-weight: bold; + font-size: 120%; +} pre { font-family: Courier, monospace; font-weight: normal } diff --git a/lib/erl_docgen/priv/xsl/db_html.xsl b/lib/erl_docgen/priv/xsl/db_html.xsl index 3b390f48fb..3529924957 100644 --- a/lib/erl_docgen/priv/xsl/db_html.xsl +++ b/lib/erl_docgen/priv/xsl/db_html.xsl @@ -1132,6 +1132,9 @@ <center><h4>Version <xsl:value-of select="$appver"/></h4></center> <center><h4><xsl:value-of select="$gendate"/></h4></center> + <div class="extrafrontpageinfo"> + <center><xsl:value-of select="$extra_front_page_info"/></center> + </div> <xsl:apply-templates select="chapter"/> @@ -1297,6 +1300,9 @@ <center><h4>Version <xsl:value-of select="$appver"/></h4></center> <center><h4><xsl:value-of select="$gendate"/></h4></center> + <div class="extrafrontpageinfo"> + <center><xsl:value-of select="$extra_front_page_info"/></center> + </div> <xsl:apply-templates select="erlref|cref|comref|fileref|appref"/> @@ -2119,6 +2125,9 @@ <center><h4>Version <xsl:value-of select="$appver"/></h4></center> <center><h4><xsl:value-of select="$gendate"/></h4></center> + <div class="extrafrontpageinfo"> + <center><xsl:value-of select="$extra_front_page_info"/></center> + </div> <xsl:apply-templates select="chapter"/> diff --git a/lib/erl_docgen/priv/xsl/db_pdf.xsl b/lib/erl_docgen/priv/xsl/db_pdf.xsl index 8e7ffddefa..ccf96053aa 100644 --- a/lib/erl_docgen/priv/xsl/db_pdf.xsl +++ b/lib/erl_docgen/priv/xsl/db_pdf.xsl @@ -671,6 +671,10 @@ <fo:block xsl:use-attribute-sets="cover.version"> <xsl:value-of select="$gendate"/> </fo:block> + <fo:block xsl:use-attribute-sets="cover.extrainfo"> + <xsl:value-of select="$extra_front_page_info"/> + </fo:block> + <!-- Inner cover (copyright notice) --> <fo:block break-before="page" diff --git a/lib/erl_docgen/priv/xsl/db_pdf_params.xsl b/lib/erl_docgen/priv/xsl/db_pdf_params.xsl index c2d9fb4320..a4814581c2 100644 --- a/lib/erl_docgen/priv/xsl/db_pdf_params.xsl +++ b/lib/erl_docgen/priv/xsl/db_pdf_params.xsl @@ -98,6 +98,14 @@ <xsl:attribute name="text-align">end</xsl:attribute> </xsl:attribute-set> + <xsl:attribute-set name="cover.extrainfo"> + <xsl:attribute name="padding-before">2.5em</xsl:attribute> + <xsl:attribute name="font-size">1.33em</xsl:attribute> + <xsl:attribute name="font-weight">bold</xsl:attribute> + <xsl:attribute name="color">#C00</xsl:attribute> + <xsl:attribute name="text-align">end</xsl:attribute> + </xsl:attribute-set> + <xsl:attribute-set name="cover.inner.copyright"> <xsl:attribute name="border-before-style">solid</xsl:attribute> <xsl:attribute name="border-before-width">1pt</xsl:attribute> diff --git a/lib/erl_docgen/vsn.mk b/lib/erl_docgen/vsn.mk index 8957d6ac40..5823c96253 100644 --- a/lib/erl_docgen/vsn.mk +++ b/lib/erl_docgen/vsn.mk @@ -1 +1 @@ -ERL_DOCGEN_VSN = 0.3.7 +ERL_DOCGEN_VSN = 0.3.8 diff --git a/lib/stdlib/doc/src/Makefile b/lib/stdlib/doc/src/Makefile index ce1e19a2a4..a4a2ed9931 100644 --- a/lib/stdlib/doc/src/Makefile +++ b/lib/stdlib/doc/src/Makefile @@ -82,6 +82,7 @@ XML_REF3_FILES = \ proplists.xml \ qlc.xml \ queue.xml \ + rand.xml \ random.xml \ re.xml \ sets.xml \ diff --git a/lib/stdlib/doc/src/rand.xml b/lib/stdlib/doc/src/rand.xml new file mode 100644 index 0000000000..178afda5a0 --- /dev/null +++ b/lib/stdlib/doc/src/rand.xml @@ -0,0 +1,246 @@ +<?xml version="1.0" encoding="utf-8" ?> +<!DOCTYPE erlref SYSTEM "erlref.dtd"> + +<erlref> + <header> + <copyright> + <year>2015</year> + <holder>Ericsson AB. All Rights Reserved.</holder> + </copyright> + <legalnotice> + The contents of this file are subject to the Erlang Public License, + Version 1.1, (the "License"); you may not use this file except in + compliance with the License. You should have received a copy of the + Erlang Public License along with this software. If not, it can be + retrieved online at http://www.erlang.org/. + + Software distributed under the License is distributed on an "AS IS" + basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + the License for the specific language governing rights and limitations + under the License. + + </legalnotice> + + <title>rand</title> + <prepared></prepared> + <responsible></responsible> + <docno>1</docno> + <approved></approved> + <checked></checked> + <date></date> + <rev>A</rev> + <file>rand.xml</file> + </header> + <module>rand</module> + <modulesummary>Pseudo random number generation</modulesummary> + <description> + <p>Random number generator.</p> + + <p>The module contains several different algorithms and can be + extended with more in the future. The current uniform + distribution algorithms uses the + <url href="http://xorshift.di.unimi.it"> + scrambled Xorshift algorithms by Sebastiano Vigna</url> and the + normal distribution algorithm uses the + <url href="http://www.jstatsoft.org/v05/i08"> + Ziggurat Method by Marsaglia and Tsang</url>. + </p> + + <p>The implemented algorithms are:</p> + <taglist> + <tag><c>exsplus</c></tag> <item>Xorshift116+, 58 bits precision and period of 2^116-1.</item> + <tag><c>exs64</c></tag> <item>Xorshift64*, 64 bits precision and a period of 2^64-1.</item> + <tag><c>exs1024</c></tag> <item>Xorshift1024*, 64 bits precision and a period of 2^1024-1.</item> + </taglist> + + <p>The current default algorithm is <c>exsplus</c>. The default + may change in future. If a specific algorithm is required make + sure to always use <seealso marker="#seed-1">seed/1</seealso> + to initialize the state. + </p> + + <p>Every time a random number is requested, a state is used to + calculate it and a new state produced. The state can either be + implicit or it can be an explicit argument and return value. + </p> + + <p>The functions with implicit state use the process dictionary + variable <c>rand_seed</c> to remember the current state.</p> + + <p>If a process calls <seealso marker="#uniform-0">uniform/0</seealso> or + <seealso marker="#uniform-1">uniform/1</seealso> without + setting a seed first, <seealso marker="#seed-1">seed/1</seealso> + is called automatically with the default algorithm and creates a + non-constant seed.</p> + + <p>The functions with explicit state never use the process + dictionary.</p> + + <p>Examples:</p> + <pre> + %% Simple usage. Creates and seeds the default algorithm + %% with a non-constant seed if not already done. + R0 = rand:uniform(), + R1 = rand:uniform(), + + %% Use a given algorithm. + _ = rand:seed(exs1024), + R2 = rand:uniform(), + + %% Use a given algorithm with a constant seed. + _ = rand:seed(exs1024, {123, 123534, 345345}), + R3 = rand:uniform(), + + %% Use the functional api with non-constant seed. + S0 = rand:seed_s(exsplus), + {R4, S1} = rand:uniform_s(S0), + + %% Create a standard normal deviate. + {SND0, S2} = rand:normal_s(S1), + </pre> + + <note><p>This random number generator is not cryptographically + strong. If a strong cryptographic random number generator is + needed, use one of functions in the + <seealso marker="crypto:crypto">crypto</seealso> + module, for example <c>crypto:rand_bytes/1</c>.</p></note> + </description> + <datatypes> + <datatype> + <name name="alg"/> + </datatype> + + <datatype> + <name name="state"/> + <desc><p>Algorithm dependent state.</p></desc> + </datatype> + + <datatype> + <name name="export_state"/> + <desc><p>Algorithm dependent state which can be printed or saved to file.</p></desc> + </datatype> + </datatypes> + + <funcs> + <func> + <name name="seed" arity="1"/> + <fsummary>Seed random number generator</fsummary> + <desc> + <marker id="seed-1"/> + <p>Seeds random number generation with the given algorithm and time dependent + data if <anno>AlgOrExpState</anno> is an algorithm.</p> + <p>Otherwise recreates the exported seed in the process + dictionary, and returns the state. + <em>See also:</em> <seealso marker="#export_seed-0">export_seed/0</seealso>.</p> + </desc> + </func> + <func> + <name name="seed_s" arity="1"/> + <fsummary>Seed random number generator</fsummary> + <desc> + <p>Seeds random number generation with the given algorithm and time dependent + data if <anno>AlgOrExpState</anno> is an algorithm.</p> + <p>Otherwise recreates the exported seed and returns the state. + <em>See also:</em> <seealso marker="#export_seed-0">export_seed/0</seealso>.</p> + </desc> + </func> + <func> + <name name="seed" arity="2"/> + <fsummary>Seed the random number generation</fsummary> + <desc> + <p>Seeds random number generation with the given algorithm and + integers in the process dictionary and returns + the state.</p> + </desc> + </func> + <func> + <name name="seed_s" arity="2"/> + <fsummary>Seed the random number generation</fsummary> + <desc> + <p>Seeds random number generation with the given algorithm and + integers and returns the state.</p> + </desc> + </func> + + <func> + <name name="export_seed" arity="0"/> + <fsummary>Export the random number generation state</fsummary> + <desc><marker id="export_seed-0"/> + <p>Returns the random number state in an external format. + To be used with <seealso marker="#seed-1">seed/1</seealso>.</p> + </desc> + </func> + + <func> + <name name="export_seed_s" arity="1"/> + <fsummary>Export the random number generation state</fsummary> + <desc><marker id="export_seed_s-1"/> + <p>Returns the random number generator state in an external format. + To be used with <seealso marker="#seed-1">seed/1</seealso>.</p> + </desc> + </func> + + <func> + <name name="uniform" arity="0"/> + <fsummary>Return a random float</fsummary> + <desc> + <marker id="uniform-0"/> + <p>Returns a random float uniformly distributed in the value + range <c>0.0 < <anno>X</anno> < 1.0 </c> and + updates the state in the process dictionary.</p> + </desc> + </func> + <func> + <name name="uniform_s" arity="1"/> + <fsummary>Return a random float</fsummary> + <desc> + <p>Given a state, <c>uniform_s/1</c> returns a random float + uniformly distributed in the value range <c>0.0 < + <anno>X</anno> < 1.0</c> and a new state.</p> + </desc> + </func> + + <func> + <name name="uniform" arity="1"/> + <fsummary>Return a random integer</fsummary> + <desc> + <marker id="uniform-1"/> + <p>Given an integer <c><anno>N</anno> >= 1</c>, + <c>uniform/1</c> returns a random integer uniformly + distributed in the value range + <c>1 <= <anno>X</anno> <= <anno>N</anno></c> and + updates the state in the process dictionary.</p> + </desc> + </func> + <func> + <name name="uniform_s" arity="2"/> + <fsummary>Return a random integer</fsummary> + <desc> + <p>Given an integer <c><anno>N</anno> >= 1</c> and a state, + <c>uniform_s/2</c> returns a random integer uniformly + distributed in the value range <c>1 <= <anno>X</anno> <= + <anno>N</anno></c> and a new state.</p> + </desc> + </func> + + <func> + <name name="normal" arity="0"/> + <fsummary>Return a standard normal distributed random float</fsummary> + <desc> + <p>Returns a standard normal deviate float (that is, the mean + is 0 and the standard deviation is 1) and updates the state in + the process dictionary.</p> + </desc> + </func> + <func> + <name name="normal_s" arity="1"/> + <fsummary>Return a standard normal distributed random float</fsummary> + <desc> + <p>Given a state, <c>normal_s/1</c> returns a standard normal + deviate float (that is, the mean is 0 and the standard + deviation is 1) and a new state.</p> + </desc> + </func> + + </funcs> +</erlref> diff --git a/lib/stdlib/doc/src/random.xml b/lib/stdlib/doc/src/random.xml index 2cc621ffc3..e475cda23d 100644 --- a/lib/stdlib/doc/src/random.xml +++ b/lib/stdlib/doc/src/random.xml @@ -48,6 +48,9 @@ <p>It should be noted that this random number generator is not cryptographically strong. If a strong cryptographic random number generator is needed for example <c>crypto:rand_bytes/1</c> could be used instead.</p> + <note><p>The new and improved <seealso + marker="stdlib:rand">rand</seealso> module should be used + instead of this module.</p></note> </description> <datatypes> <datatype> diff --git a/lib/stdlib/doc/src/ref_man.xml b/lib/stdlib/doc/src/ref_man.xml index 94c1fb55c2..eee4a68ca1 100644 --- a/lib/stdlib/doc/src/ref_man.xml +++ b/lib/stdlib/doc/src/ref_man.xml @@ -79,6 +79,7 @@ <xi:include href="proplists.xml"/> <xi:include href="qlc.xml"/> <xi:include href="queue.xml"/> + <xi:include href="rand.xml"/> <xi:include href="random.xml"/> <xi:include href="re.xml"/> <xi:include href="sets.xml"/> diff --git a/lib/stdlib/doc/src/specs.xml b/lib/stdlib/doc/src/specs.xml index 6ae0154800..0418bf7b22 100644 --- a/lib/stdlib/doc/src/specs.xml +++ b/lib/stdlib/doc/src/specs.xml @@ -45,6 +45,7 @@ <xi:include href="../specs/specs_proplists.xml"/> <xi:include href="../specs/specs_qlc.xml"/> <xi:include href="../specs/specs_queue.xml"/> + <xi:include href="../specs/specs_rand.xml"/> <xi:include href="../specs/specs_random.xml"/> <xi:include href="../specs/specs_re.xml"/> <xi:include href="../specs/specs_sets.xml"/> diff --git a/lib/stdlib/src/Makefile b/lib/stdlib/src/Makefile index 85b858febd..55bda60da5 100644 --- a/lib/stdlib/src/Makefile +++ b/lib/stdlib/src/Makefile @@ -105,6 +105,7 @@ MODULES= \ qlc \ qlc_pt \ queue \ + rand \ random \ sets \ shell \ diff --git a/lib/stdlib/src/rand.erl b/lib/stdlib/src/rand.erl new file mode 100644 index 0000000000..6a805eb69e --- /dev/null +++ b/lib/stdlib/src/rand.erl @@ -0,0 +1,591 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2015. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% +%% ===================================================================== +%% Multiple PRNG module for Erlang/OTP +%% Copyright (c) 2015 Kenji Rikitake +%% ===================================================================== + +-module(rand). + +-export([seed_s/1, seed_s/2, seed/1, seed/2, + export_seed/0, export_seed_s/1, + uniform/0, uniform/1, uniform_s/1, uniform_s/2, + normal/0, normal_s/1 + ]). + +-compile({inline, [exs64_next/1, exsplus_next/1, + exs1024_next/1, exs1024_calc/2, + get_52/1, normal_kiwi/1]}). + +-define(DEFAULT_ALG_HANDLER, exsplus). +-define(SEED_DICT, rand_seed). + +%% ===================================================================== +%% Types +%% ===================================================================== + +%% This depends on the algorithm handler function +-type alg_seed() :: exs64_state() | exsplus_state() | exs1024_state(). +%% This is the algorithm handler function within this module +-type alg_handler() :: #{type => alg(), + max => integer(), + next => fun(), + uniform => fun(), + uniform_n => fun()}. + +%% Internal state +-opaque state() :: {alg_handler(), alg_seed()}. +-type alg() :: exs64 | exsplus | exs1024. +-opaque export_state() :: {alg(), alg_seed()}. +-export_type([alg/0, state/0, export_state/0]). + +%% ===================================================================== +%% API +%% ===================================================================== + +%% Return algorithm and seed so that RNG state can be recreated with seed/1 +-spec export_seed() -> undefined | export_state(). +export_seed() -> + case seed_get() of + {#{type:=Alg}, Seed} -> {Alg, Seed}; + _ -> undefined + end. + +-spec export_seed_s(state()) -> export_state(). +export_seed_s({#{type:=Alg}, Seed}) -> {Alg, Seed}. + +%% seed(Alg) seeds RNG with runtime dependent values +%% and return the NEW state + +%% seed({Alg,Seed}) setup RNG with a previously exported seed +%% and return the NEW state + +-spec seed(AlgOrExpState::alg() | export_state()) -> state(). +seed(Alg) -> + R = seed_s(Alg), + _ = seed_put(R), + R. + +-spec seed_s(AlgOrExpState::alg() | export_state()) -> state(). +seed_s(Alg) when is_atom(Alg) -> + seed_s(Alg, {erlang:phash2([{node(),self()}]), + erlang:system_time(), + erlang:unique_integer()}); +seed_s({Alg0, Seed}) -> + {Alg,_SeedFun} = mk_alg(Alg0), + {Alg, Seed}. + +%% seed/2: seeds RNG with the algorithm and given values +%% and returns the NEW state. + +-spec seed(Alg :: alg(), {integer(), integer(), integer()}) -> state(). +seed(Alg0, S0) -> + State = seed_s(Alg0, S0), + _ = seed_put(State), + State. + +-spec seed_s(Alg :: alg(), {integer(), integer(), integer()}) -> state(). +seed_s(Alg0, S0 = {_, _, _}) -> + {Alg, Seed} = mk_alg(Alg0), + AS = Seed(S0), + {Alg, AS}. + +%%% uniform/0, uniform/1, uniform_s/1, uniform_s/2 are all +%%% uniformly distributed random numbers. + +%% uniform/0: returns a random float X where 0.0 < X < 1.0, +%% updating the state in the process dictionary. + +-spec uniform() -> X::float(). +uniform() -> + {X, Seed} = uniform_s(seed_get()), + _ = seed_put(Seed), + X. + +%% uniform/1: given an integer N >= 1, +%% uniform/1 returns a random integer X where 1 =< X =< N, +%% updating the state in the process dictionary. + +-spec uniform(N :: pos_integer()) -> X::pos_integer(). +uniform(N) -> + {X, Seed} = uniform_s(N, seed_get()), + _ = seed_put(Seed), + X. + +%% uniform_s/1: given a state, uniform_s/1 +%% returns a random float X where 0.0 < X < 1.0, +%% and a new state. + +-spec uniform_s(state()) -> {X::float(), NewS :: state()}. +uniform_s(State = {#{uniform:=Uniform}, _}) -> + Uniform(State). + +%% uniform_s/2: given an integer N >= 1 and a state, uniform_s/2 +%% uniform_s/2 returns a random integer X where 1 =< X =< N, +%% and a new state. + +-spec uniform_s(N::pos_integer(), state()) -> {X::pos_integer(), NewS::state()}. +uniform_s(N, State = {#{uniform_n:=Uniform, max:=Max}, _}) + when 0 < N, N =< Max -> + Uniform(N, State); +uniform_s(N, State0 = {#{uniform:=Uniform}, _}) + when is_integer(N), 0 < N -> + {F, State} = Uniform(State0), + {trunc(F * N) + 1, State}. + +%% normal/0: returns a random float with standard normal distribution +%% updating the state in the process dictionary. + +-spec normal() -> float(). +normal() -> + {X, Seed} = normal_s(seed_get()), + _ = seed_put(Seed), + X. + +%% normal_s/1: returns a random float with standard normal distribution +%% The Ziggurat Method for generating random variables - Marsaglia and Tsang +%% Paper and reference code: http://www.jstatsoft.org/v05/i08/ + +-spec normal_s(state()) -> {float(), NewS :: state()}. +normal_s(State0) -> + {Sign, R, State} = get_52(State0), + Idx = R band 16#FF, + Idx1 = Idx+1, + {Ki, Wi} = normal_kiwi(Idx1), + X = R * Wi, + case R < Ki of + %% Fast path 95% of the time + true when Sign =:= 0 -> {X, State}; + true -> {-X, State}; + %% Slow path + false when Sign =:= 0 -> normal_s(Idx, Sign, X, State); + false -> normal_s(Idx, Sign, -X, State) + end. + +%% ===================================================================== +%% Internal functions + +-define(UINT21MASK, 16#00000000001fffff). +-define(UINT32MASK, 16#00000000ffffffff). +-define(UINT33MASK, 16#00000001ffffffff). +-define(UINT39MASK, 16#0000007fffffffff). +-define(UINT58MASK, 16#03ffffffffffffff). +-define(UINT64MASK, 16#ffffffffffffffff). + +-type uint64() :: 0..16#ffffffffffffffff. +-type uint58() :: 0..16#03ffffffffffffff. + +-spec seed_put(state()) -> undefined | state(). +seed_put(Seed) -> + put(?SEED_DICT, Seed). + +seed_get() -> + case get(?SEED_DICT) of + undefined -> seed(?DEFAULT_ALG_HANDLER); + Old -> Old % no type checking here + end. + +%% Setup alg record +mk_alg(exs64) -> + {#{type=>exs64, max=>?UINT64MASK, next=>fun exs64_next/1, + uniform=>fun exs64_uniform/1, uniform_n=>fun exs64_uniform/2}, + fun exs64_seed/1}; +mk_alg(exsplus) -> + {#{type=>exsplus, max=>?UINT58MASK, next=>fun exsplus_next/1, + uniform=>fun exsplus_uniform/1, uniform_n=>fun exsplus_uniform/2}, + fun exsplus_seed/1}; +mk_alg(exs1024) -> + {#{type=>exs1024, max=>?UINT64MASK, next=>fun exs1024_next/1, + uniform=>fun exs1024_uniform/1, uniform_n=>fun exs1024_uniform/2}, + fun exs1024_seed/1}. + +%% ===================================================================== +%% exs64 PRNG: Xorshift64* +%% Algorithm by Sebastiano Vigna +%% Reference URL: http://xorshift.di.unimi.it/ +%% ===================================================================== + +-type exs64_state() :: uint64(). + +exs64_seed({A1, A2, A3}) -> + {V1, _} = exs64_next(((A1 band ?UINT32MASK) * 4294967197 + 1)), + {V2, _} = exs64_next(((A2 band ?UINT32MASK) * 4294967231 + 1)), + {V3, _} = exs64_next(((A3 band ?UINT32MASK) * 4294967279 + 1)), + ((V1 * V2 * V3) rem (?UINT64MASK - 1)) + 1. + +%% Advance xorshift64* state for one step and generate 64bit unsigned integer +-spec exs64_next(exs64_state()) -> {uint64(), exs64_state()}. +exs64_next(R) -> + R1 = R bxor (R bsr 12), + R2 = R1 bxor ((R1 band ?UINT39MASK) bsl 25), + R3 = R2 bxor (R2 bsr 27), + {(R3 * 2685821657736338717) band ?UINT64MASK, R3}. + +exs64_uniform({Alg, R0}) -> + {V, R1} = exs64_next(R0), + {V / 18446744073709551616, {Alg, R1}}. + +exs64_uniform(Max, {Alg, R}) -> + {V, R1} = exs64_next(R), + {(V rem Max) + 1, {Alg, R1}}. + +%% ===================================================================== +%% exsplus PRNG: Xorshift116+ +%% Algorithm by Sebastiano Vigna +%% Reference URL: http://xorshift.di.unimi.it/ +%% 58 bits fits into an immediate on 64bits erlang and is thus much faster. +%% Modification of the original Xorshift128+ algorithm to 116 +%% by Sebastiano Vigna, a lot of thanks for his help and work. +%% ===================================================================== +-type exsplus_state() :: nonempty_improper_list(uint58(), uint58()). + +exsplus_seed({A1, A2, A3}) -> + {_, R1} = exsplus_next([(((A1 * 4294967197) + 1) band ?UINT58MASK)| + (((A2 * 4294967231) + 1) band ?UINT58MASK)]), + {_, R2} = exsplus_next([(((A3 * 4294967279) + 1) band ?UINT58MASK)| + tl(R1)]), + R2. + +%% Advance xorshift116+ state for one step and generate 58bit unsigned integer +-spec exsplus_next(exsplus_state()) -> {uint58(), exsplus_state()}. +exsplus_next([S1|S0]) -> + %% Note: members s0 and s1 are swapped here + S11 = (S1 bxor (S1 bsl 24)) band ?UINT58MASK, + S12 = S11 bxor S0 bxor (S11 bsr 11) bxor (S0 bsr 41), + {(S0 + S12) band ?UINT58MASK, [S0|S12]}. + +exsplus_uniform({Alg, R0}) -> + {I, R1} = exsplus_next(R0), + {I / (?UINT58MASK+1), {Alg, R1}}. + +exsplus_uniform(Max, {Alg, R}) -> + {V, R1} = exsplus_next(R), + {(V rem Max) + 1, {Alg, R1}}. + +%% ===================================================================== +%% exs1024 PRNG: Xorshift1024* +%% Algorithm by Sebastiano Vigna +%% Reference URL: http://xorshift.di.unimi.it/ +%% ===================================================================== + +-type exs1024_state() :: {list(uint64()), list(uint64())}. + +exs1024_seed({A1, A2, A3}) -> + B1 = (((A1 band ?UINT21MASK) + 1) * 2097131) band ?UINT21MASK, + B2 = (((A2 band ?UINT21MASK) + 1) * 2097133) band ?UINT21MASK, + B3 = (((A3 band ?UINT21MASK) + 1) * 2097143) band ?UINT21MASK, + {exs1024_gen1024((B1 bsl 43) bor (B2 bsl 22) bor (B3 bsl 1) bor 1), + []}. + +%% Generate a list of 16 64-bit element list +%% of the xorshift64* random sequence +%% from a given 64-bit seed. +%% Note: dependent on exs64_next/1 +-spec exs1024_gen1024(uint64()) -> list(uint64()). +exs1024_gen1024(R) -> + exs1024_gen1024(16, R, []). + +exs1024_gen1024(0, _, L) -> + L; +exs1024_gen1024(N, R, L) -> + {X, R2} = exs64_next(R), + exs1024_gen1024(N - 1, R2, [X|L]). + +%% Calculation of xorshift1024*. +%% exs1024_calc(S0, S1) -> {X, NS1}. +%% X: random number output +-spec exs1024_calc(uint64(), uint64()) -> {uint64(), uint64()}. +exs1024_calc(S0, S1) -> + S11 = S1 bxor ((S1 band ?UINT33MASK) bsl 31), + S12 = S11 bxor (S11 bsr 11), + S01 = S0 bxor (S0 bsr 30), + NS1 = S01 bxor S12, + {(NS1 * 1181783497276652981) band ?UINT64MASK, NS1}. + +%% Advance xorshift1024* state for one step and generate 64bit unsigned integer +-spec exs1024_next(exs1024_state()) -> {uint64(), exs1024_state()}. +exs1024_next({[S0,S1|L3], RL}) -> + {X, NS1} = exs1024_calc(S0, S1), + {X, {[NS1|L3], [S0|RL]}}; +exs1024_next({[H], RL}) -> + NL = [H|lists:reverse(RL)], + exs1024_next({NL, []}). + +exs1024_uniform({Alg, R0}) -> + {V, R1} = exs1024_next(R0), + {V / 18446744073709551616, {Alg, R1}}. + +exs1024_uniform(Max, {Alg, R}) -> + {V, R1} = exs1024_next(R), + {(V rem Max) + 1, {Alg, R1}}. + +%% ===================================================================== +%% Ziggurat cont +%% ===================================================================== +-define(NOR_R, 3.6541528853610087963519472518). +-define(NOR_INV_R, 1/?NOR_R). + +%% return a {sign, Random51bits, State} +get_52({Alg=#{next:=Next}, S0}) -> + {Int,S1} = Next(S0), + {((1 bsl 51) band Int), Int band ((1 bsl 51)-1), {Alg, S1}}. + +%% Slow path +normal_s(0, Sign, X0, State0) -> + {U0, S1} = uniform_s(State0), + X = -?NOR_INV_R*math:log(U0), + {U1, S2} = uniform_s(S1), + Y = -math:log(U1), + case Y+Y > X*X of + false -> + normal_s(0, Sign, X0, S2); + true when Sign =:= 0 -> + {?NOR_R + X, S2}; + true -> + {-?NOR_R - X, S2} + end; +normal_s(Idx, _Sign, X, State0) -> + Fi2 = normal_fi(Idx+1), + {U0, S1} = uniform_s(State0), + case ((normal_fi(Idx) - Fi2)*U0 + Fi2) < math:exp(-0.5*X*X) of + true -> {X, S1}; + false -> normal_s(S1) + end. + +%% Tables for generating normal_s +%% ki is zipped with wi (slightly faster) +normal_kiwi(Indx) -> + element(Indx, + {{2104047571236786,1.736725412160263e-15}, {0,9.558660351455634e-17}, + {1693657211986787,1.2708704834810623e-16},{1919380038271141,1.4909740962495474e-16}, + {2015384402196343,1.6658733631586268e-16},{2068365869448128,1.8136120810119029e-16}, + {2101878624052573,1.9429720153135588e-16},{2124958784102998,2.0589500628482093e-16}, + {2141808670795147,2.1646860576895422e-16},{2154644611568301,2.2622940392218116e-16}, + {2164744887587275,2.353271891404589e-16},{2172897953696594,2.438723455742877e-16}, + {2179616279372365,2.5194879829274225e-16},{2185247251868649,2.5962199772528103e-16}, + {2190034623107822,2.6694407473648285e-16},{2194154434521197,2.7395729685142446e-16}, + {2197736978774660,2.8069646002484804e-16},{2200880740891961,2.871905890411393e-16}, + {2203661538010620,2.9346417484728883e-16},{2206138681109102,2.9953809336782113e-16}, + {2208359231806599,3.054303000719244e-16},{2210361007258210,3.111563633892157e-16}, + {2212174742388539,3.1672988018581815e-16},{2213825672704646,3.2216280350549905e-16}, + {2215334711002614,3.274657040793975e-16},{2216719334487595,3.326479811684171e-16}, + {2217994262139172,3.377180341735323e-16},{2219171977965032,3.4268340353119356e-16}, + {2220263139538712,3.475508873172976e-16},{2221276900117330,3.523266384600203e-16}, + {2222221164932930,3.5701624633953494e-16},{2223102796829069,3.616248057159834e-16}, + {2223927782546658,3.661569752965354e-16},{2224701368170060,3.7061702777236077e-16}, + {2225428170204312,3.75008892787478e-16},{2226112267248242,3.7933619401549554e-16}, + {2226757276105256,3.836022812967728e-16},{2227366415328399,3.8781025861250247e-16}, + {2227942558554684,3.919630085325768e-16},{2228488279492521,3.9606321366256378e-16}, + {2229005890047222,4.001133755254669e-16},{2229497472775193,4.041158312414333e-16}, + {2229964908627060,4.080727683096045e-16},{2230409900758597,4.119862377480744e-16}, + {2230833995044585,4.1585816580828064e-16},{2231238597816133,4.1969036444740733e-16}, + {2231624991250191,4.234845407152071e-16},{2231994346765928,4.272423051889976e-16}, + {2232347736722750,4.309651795716294e-16},{2232686144665934,4.346546035512876e-16}, + {2233010474325959,4.383119410085457e-16},{2233321557544881,4.4193848564470665e-16}, + {2233620161276071,4.455354660957914e-16},{2233906993781271,4.491040505882875e-16}, + {2234182710130335,4.52645351185714e-16},{2234447917093496,4.561604276690038e-16}, + {2234703177503020,4.596502910884941e-16},{2234949014150181,4.631159070208165e-16}, + {2235185913274316,4.665581985600875e-16},{2235414327692884,4.699780490694195e-16}, + {2235634679614920,4.733763047158324e-16},{2235847363174595,4.767537768090853e-16}, + {2236052746716837,4.8011124396270155e-16},{2236251174862869,4.834494540935008e-16}, + {2236442970379967,4.867691262742209e-16},{2236628435876762,4.900709524522994e-16}, + {2236807855342765,4.933555990465414e-16},{2236981495548562,4.966237084322178e-16}, + {2237149607321147,4.998759003240909e-16},{2237312426707209,5.031127730659319e-16}, + {2237470176035652,5.0633490483427195e-16},{2237623064889403,5.095428547633892e-16}, + {2237771290995388,5.127371639978797e-16},{2237915041040597,5.159183566785736e-16}, + {2238054491421305,5.190869408670343e-16},{2238189808931712,5.222434094134042e-16}, + {2238321151397660,5.253882407719454e-16},{2238448668260432,5.285218997682382e-16}, + {2238572501115169,5.316448383216618e-16},{2238692784207942,5.34757496126473e-16}, + {2238809644895133,5.378603012945235e-16},{2238923204068402,5.409536709623993e-16}, + {2239033576548190,5.440380118655467e-16},{2239140871448443,5.471137208817361e-16}, + {2239245192514958,5.501811855460336e-16},{2239346638439541,5.532407845392784e-16}, + {2239445303151952,5.56292888151909e-16},{2239541276091442,5.593378587248462e-16}, + {2239634642459498,5.623760510690043e-16},{2239725483455293,5.65407812864896e-16}, + {2239813876495186,5.684334850436814e-16},{2239899895417494,5.714534021509204e-16}, + {2239983610673676,5.744678926941961e-16},{2240065089506935,5.774772794756965e-16}, + {2240144396119183,5.804818799107686e-16},{2240221591827230,5.834820063333892e-16}, + {2240296735208969,5.864779662894365e-16},{2240369882240293,5.894700628185872e-16}, + {2240441086423386,5.924585947256134e-16},{2240510398907004,5.95443856841806e-16}, + {2240577868599305,5.984261402772028e-16},{2240643542273726,6.014057326642664e-16}, + {2240707464668391,6.043829183936125e-16},{2240769678579486,6.073579788423606e-16}, + {2240830224948980,6.103311925956439e-16},{2240889142947082,6.133028356617911e-16}, + {2240946470049769,6.162731816816596e-16},{2241002242111691,6.192425021325847e-16}, + {2241056493434746,6.222110665273788e-16},{2241109256832602,6.251791426088e-16}, + {2241160563691400,6.281469965398895e-16},{2241210444026879,6.311148930905604e-16}, + {2241258926538122,6.34083095820806e-16},{2241306038658137,6.370518672608815e-16}, + {2241351806601435,6.400214690888025e-16},{2241396255408788,6.429921623054896e-16}, + {2241439408989313,6.459642074078832e-16},{2241481290160038,6.489378645603397e-16}, + {2241521920683062,6.519133937646159e-16},{2241561321300462,6.548910550287415e-16}, + {2241599511767028,6.578711085350741e-16},{2241636510880960,6.608538148078259e-16}, + {2241672336512612,6.638394348803506e-16},{2241707005631362,6.668282304624746e-16}, + {2241740534330713,6.698204641081558e-16},{2241772937851689,6.728163993837531e-16}, + {2241804230604585,6.758163010371901e-16},{2241834426189161,6.78820435168298e-16}, + {2241863537413311,6.818290694006254e-16},{2241891576310281,6.848424730550038e-16}, + {2241918554154466,6.878609173251664e-16},{2241944481475843,6.908846754557169e-16}, + {2241969368073071,6.939140229227569e-16},{2241993223025298,6.969492376174829e-16}, + {2242016054702685,6.999906000330764e-16},{2242037870775710,7.030383934552151e-16}, + {2242058678223225,7.060929041565482e-16},{2242078483339331,7.091544215954873e-16}, + {2242097291739040,7.122232386196779e-16},{2242115108362774,7.152996516745303e-16}, + {2242131937479672,7.183839610172063e-16},{2242147782689725,7.214764709364707e-16}, + {2242162646924736,7.245774899788387e-16},{2242176532448092,7.276873311814693e-16}, + {2242189440853337,7.308063123122743e-16},{2242201373061537,7.339347561177405e-16}, + {2242212329317416,7.370729905789831e-16},{2242222309184237,7.4022134917658e-16}, + {2242231311537397,7.433801711647648e-16},{2242239334556717,7.465498018555889e-16}, + {2242246375717369,7.497305929136979e-16},{2242252431779415,7.529229026624058e-16}, + {2242257498775893,7.561270964017922e-16},{2242261571999416,7.5934354673958895e-16}, + {2242264645987196,7.625726339356756e-16},{2242266714504453,7.658147462610487e-16}, + {2242267770526109,7.690702803721919e-16},{2242267806216711,7.723396417018299e-16}, + {2242266812908462,7.756232448671174e-16},{2242264781077289,7.789215140963852e-16}, + {2242261700316818,7.822348836756411e-16},{2242257559310145,7.855637984161084e-16}, + {2242252345799276,7.889087141441755e-16},{2242246046552082,7.922700982152271e-16}, + {2242238647326615,7.956484300529366e-16},{2242230132832625,7.99044201715713e-16}, + {2242220486690076,8.024579184921259e-16},{2242209691384458,8.058900995272657e-16}, + {2242197728218684,8.093412784821501e-16},{2242184577261310,8.128120042284501e-16}, + {2242170217290819,8.163028415809877e-16},{2242154625735679,8.198143720706533e-16}, + {2242137778609839,8.23347194760605e-16},{2242119650443327,8.26901927108847e-16}, + {2242100214207556,8.304792058805374e-16},{2242079441234906,8.340796881136629e-16}, + {2242057301132135,8.377040521420222e-16},{2242033761687079,8.413529986798028e-16}, + {2242008788768107,8.450272519724097e-16},{2241982346215682,8.487275610186155e-16}, + {2241954395725356,8.524547008695596e-16},{2241924896721443,8.562094740106233e-16}, + {2241893806220517,8.599927118327665e-16},{2241861078683830,8.638052762005259e-16}, + {2241826665857598,8.676480611245582e-16},{2241790516600041,8.715219945473698e-16}, + {2241752576693881,8.754280402517175e-16},{2241712788642916,8.793671999021043e-16}, + {2241671091451078,8.833405152308408e-16},{2241627420382235,8.873490703813135e-16}, + {2241581706698773,8.913939944224086e-16},{2241533877376767,8.954764640495068e-16}, + {2241483854795281,8.9959770648911e-16},{2241431556397035,9.037590026260118e-16}, + {2241376894317345,9.079616903740068e-16},{2241319774977817,9.122071683134846e-16}, + {2241260098640860,9.164968996219135e-16},{2241197758920538,9.208324163262308e-16}, + {2241132642244704,9.252153239095693e-16},{2241064627262652,9.296473063086417e-16}, + {2240993584191742,9.341301313425265e-16},{2240919374095536,9.38665656618666e-16}, + {2240841848084890,9.432558359676707e-16},{2240760846432232,9.479027264651738e-16}, + {2240676197587784,9.526084961066279e-16},{2240587717084782,9.57375432209745e-16}, + {2240495206318753,9.622059506294838e-16},{2240398451183567,9.671026058823054e-16}, + {2240297220544165,9.720681022901626e-16},{2240191264522612,9.771053062707209e-16}, + {2240080312570155,9.822172599190541e-16},{2239964071293331,9.874071960480671e-16}, + {2239842221996530,9.926785548807976e-16},{2239714417896699,9.980350026183645e-16}, + {2239580280957725,1.003480452143618e-15},{2239439398282193,1.0090190861637457e-15}, + {2239291317986196,1.0146553831467086e-15},{2239135544468203,1.0203941464683124e-15}, + {2238971532964979,1.0262405372613567e-15},{2238798683265269,1.0322001115486456e-15}, + {2238616332424351,1.03827886235154e-15},{2238423746288095,1.044483267600047e-15}, + {2238220109591890,1.0508203448355195e-15},{2238004514345216,1.057297713900989e-15}, + {2237775946143212,1.06392366906768e-15},{2237533267957822,1.0707072623632994e-15}, + {2237275200846753,1.0776584002668106e-15},{2237000300869952,1.0847879564403425e-15}, + {2236706931309099,1.0921079038149563e-15},{2236393229029147,1.0996314701785628e-15}, + {2236057063479501,1.1073733224935752e-15},{2235695986373246,1.1153497865853155e-15}, + {2235307169458859,1.1235791107110833e-15},{2234887326941578,1.1320817840164846e-15}, + {2234432617919447,1.140880924258278e-15},{2233938522519765,1.1500027537839792e-15}, + {2233399683022677,1.159477189144919e-15},{2232809697779198,1.169338578691096e-15}, + {2232160850599817,1.17962663529558e-15},{2231443750584641,1.190387629928289e-15}, + {2230646845562170,1.2016759392543819e-15},{2229755753817986,1.2135560818666897e-15}, + {2228752329126533,1.2261054417450561e-15},{2227613325162504,1.2394179789163251e-15}, + {2226308442121174,1.2536093926602567e-15},{2224797391720399,1.268824481425501e-15}, + {2223025347823832,1.2852479319096109e-15},{2220915633329809,1.3031206634689985e-15}, + {2218357446087030,1.3227655770195326e-15},{2215184158448668,1.3446300925011171e-15}, + {2211132412537369,1.3693606835128518e-15},{2205758503851065,1.397943667277524e-15}, + {2198248265654987,1.4319989869661328e-15},{2186916352102141,1.4744848603597596e-15}, + {2167562552481814,1.5317872741611144e-15},{2125549880839716,1.6227698675312968e-15}}). + +normal_fi(Indx) -> + element(Indx, + {1.0000000000000000e+00,9.7710170126767082e-01,9.5987909180010600e-01, + 9.4519895344229909e-01,9.3206007595922991e-01,9.1999150503934646e-01, + 9.0872644005213032e-01,8.9809592189834297e-01,8.8798466075583282e-01, + 8.7830965580891684e-01,8.6900868803685649e-01,8.6003362119633109e-01, + 8.5134625845867751e-01,8.4291565311220373e-01,8.3471629298688299e-01, + 8.2672683394622093e-01,8.1892919160370192e-01,8.1130787431265572e-01, + 8.0384948317096383e-01,7.9654233042295841e-01,7.8937614356602404e-01, + 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2.7635698929566810e-01,2.7329705406857691e-01,2.7025025636587519e-01, + 2.6721651834356114e-01,2.6419576399726080e-01,2.6118791913272082e-01, + 2.5819291133761890e-01,2.5521066995466168e-01,2.5224112605594190e-01, + 2.4928421241852824e-01,2.4633986350126363e-01,2.4340801542275012e-01, + 2.4048860594050039e-01,2.3758157443123795e-01,2.3468686187232990e-01, + 2.3180441082433859e-01,2.2893416541468023e-01,2.2607607132238020e-01, + 2.2323007576391746e-01,2.2039612748015194e-01,2.1757417672433113e-01, + 2.1476417525117358e-01,2.1196607630703015e-01,2.0917983462112499e-01, + 2.0640540639788071e-01,2.0364274931033485e-01,2.0089182249465656e-01, + 1.9815258654577511e-01,1.9542500351413428e-01,1.9270903690358912e-01, + 1.9000465167046496e-01,1.8731181422380025e-01,1.8463049242679927e-01, + 1.8196065559952254e-01,1.7930227452284767e-01,1.7665532144373500e-01, + 1.7401977008183875e-01,1.7139559563750595e-01,1.6878277480121151e-01, + 1.6618128576448205e-01,1.6359110823236570e-01,1.6101222343751107e-01, + 1.5844461415592431e-01,1.5588826472447920e-01,1.5334316106026283e-01, + 1.5080929068184568e-01,1.4828664273257453e-01,1.4577520800599403e-01, + 1.4327497897351341e-01,1.4078594981444470e-01,1.3830811644855071e-01, + 1.3584147657125373e-01,1.3338602969166913e-01,1.3094177717364430e-01, + 1.2850872227999952e-01,1.2608687022018586e-01,1.2367622820159654e-01, + 1.2127680548479021e-01,1.1888861344290998e-01,1.1651166562561080e-01, + 1.1414597782783835e-01,1.1179156816383801e-01,1.0944845714681163e-01, + 1.0711666777468364e-01,1.0479622562248690e-01,1.0248715894193508e-01, + 1.0018949876880981e-01,9.7903279038862284e-02,9.5628536713008819e-02, + 9.3365311912690860e-02,9.1113648066373634e-02,8.8873592068275789e-02, + 8.6645194450557961e-02,8.4428509570353374e-02,8.2223595813202863e-02, + 8.0030515814663056e-02,7.7849336702096039e-02,7.5680130358927067e-02, + 7.3522973713981268e-02,7.1377949058890375e-02,6.9245144397006769e-02, + 6.7124653827788497e-02,6.5016577971242842e-02,6.2921024437758113e-02, + 6.0838108349539864e-02,5.8767952920933758e-02,5.6710690106202902e-02, + 5.4666461324888914e-02,5.2635418276792176e-02,5.0617723860947761e-02, + 4.8613553215868521e-02,4.6623094901930368e-02,4.4646552251294443e-02, + 4.2684144916474431e-02,4.0736110655940933e-02,3.8802707404526113e-02, + 3.6884215688567284e-02,3.4980941461716084e-02,3.3093219458578522e-02, + 3.1221417191920245e-02,2.9365939758133314e-02,2.7527235669603082e-02, + 2.5705804008548896e-02,2.3902203305795882e-02,2.2117062707308864e-02, + 2.0351096230044517e-02,1.8605121275724643e-02,1.6880083152543166e-02, + 1.5177088307935325e-02,1.3497450601739880e-02,1.1842757857907888e-02, + 1.0214971439701471e-02,8.6165827693987316e-03,7.0508754713732268e-03, + 5.5224032992509968e-03,4.0379725933630305e-03,2.6090727461021627e-03, + 1.2602859304985975e-03}). diff --git a/lib/stdlib/src/stdlib.app.src b/lib/stdlib/src/stdlib.app.src index d4d2237b38..a27a35dca2 100644 --- a/lib/stdlib/src/stdlib.app.src +++ b/lib/stdlib/src/stdlib.app.src @@ -84,6 +84,7 @@ qlc, qlc_pt, queue, + rand, random, re, sets, diff --git a/lib/stdlib/test/Makefile b/lib/stdlib/test/Makefile index 9bf10ea494..61eb34d565 100644 --- a/lib/stdlib/test/Makefile +++ b/lib/stdlib/test/Makefile @@ -54,6 +54,7 @@ MODULES= \ proc_lib_SUITE \ qlc_SUITE \ queue_SUITE \ + rand_SUITE \ random_SUITE \ re_SUITE \ run_pcre_tests \ diff --git a/lib/stdlib/test/rand_SUITE.erl b/lib/stdlib/test/rand_SUITE.erl new file mode 100644 index 0000000000..9a1f37aa75 --- /dev/null +++ b/lib/stdlib/test/rand_SUITE.erl @@ -0,0 +1,527 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2000-2011. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% + +-module(rand_SUITE). +-export([all/0, suite/0,groups/0, + init_per_suite/1, end_per_suite/1, + init_per_group/2,end_per_group/2, + init_per_testcase/2, end_per_testcase/2 + ]). + +-export([interval_int/1, interval_float/1, seed/1, + api_eq/1, reference/1, basic_stats/1, + plugin/1, measure/1 + ]). + +-export([test/0, gen/1]). + +-include_lib("test_server/include/test_server.hrl"). + +% Default timetrap timeout (set in init_per_testcase). +-define(default_timeout, ?t:minutes(1)). +-define(LOOP, 1000000). + +init_per_testcase(_Case, Config) -> + Dog = ?t:timetrap(?default_timeout), + [{watchdog, Dog} | Config]. +end_per_testcase(_Case, Config) -> + Dog = ?config(watchdog, Config), + test_server:timetrap_cancel(Dog), + ok. + +suite() -> [{ct_hooks,[ts_install_cth]}]. + +all() -> + [seed, interval_int, interval_float, + api_eq, + reference, + basic_stats, + plugin, measure + ]. + +groups() -> []. + +init_per_suite(Config) -> Config. +end_per_suite(_Config) -> ok. + +init_per_group(_GroupName, Config) -> Config. +end_per_group(_GroupName, Config) -> Config. + +%% A simple helper to test without test_server during dev +test() -> + Tests = all(), + lists:foreach(fun(Test) -> + try + ok = ?MODULE:Test([]), + io:format("~p: ok~n", [Test]) + catch _:Reason -> + io:format("Failed: ~p: ~p ~p~n", + [Test, Reason, erlang:get_stacktrace()]) + end + end, Tests). + +algs() -> + [exs64, exsplus, exs1024]. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +seed(doc) -> + ["Test that seed and seed_s and export_seed/0 is working."]; +seed(suite) -> + []; +seed(Config) when is_list(Config) -> + Algs = algs(), + Test = fun(Alg) -> + try seed_1(Alg) + catch _:Reason -> + test_server:fail({Alg, Reason, erlang:get_stacktrace()}) + end + end, + [Test(Alg) || Alg <- Algs], + ok. + +seed_1(Alg) -> + %% Check that uniform seeds automatically, + _ = rand:uniform(), + S00 = get(rand_seed), + erase(), + _ = rand:uniform(), + false = S00 =:= get(rand_seed), %% hopefully + + %% Choosing algo and seed + S0 = rand:seed(Alg, {0, 0, 0}), + %% Check that (documented?) process_dict variable is correct + 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}), + S0 = get(rand_seed), + %% Test export + ES0 = rand:export_seed(), + ES0 = rand:export_seed_s(S0), + S0 = rand:seed(ES0), + S0 = rand:seed_s(ES0), + %% seed/1 calls should be unique + S1 = rand:seed(Alg), + false = (S1 =:= rand:seed_s(Alg)), + %% Negative integers works + _ = rand:seed_s(Alg, {-1,-1,-1}), + + %% Other term do not work + {'EXIT', _} = (catch rand:seed_s(foobar, os:timestamp())), + {'EXIT', _} = (catch rand:seed_s(Alg, {asd, 1, 1})), + {'EXIT', _} = (catch rand:seed_s(Alg, {0, 234.1234, 1})), + {'EXIT', _} = (catch rand:seed_s(Alg, {0, 234, [1, 123, 123]})), + ok. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +api_eq(doc) -> + ["Check that both api's are consistent with each other."]; +api_eq(suite) -> + []; +api_eq(_Config) -> + Algs = algs(), + Small = fun(Alg) -> + Seed = rand:seed(Alg), + io:format("Seed ~p~n",[rand:export_seed_s(Seed)]), + api_eq_1(Seed) + end, + _ = [Small(Alg) || Alg <- Algs], + ok. + +api_eq_1(S00) -> + Check = fun(_, Seed) -> + {V0, S0} = rand:uniform_s(Seed), + V0 = rand:uniform(), + {V1, S1} = rand:uniform_s(1000000, S0), + V1 = rand:uniform(1000000), + {V2, S2} = rand:normal_s(S1), + V2 = rand:normal(), + S2 + end, + S1 = lists:foldl(Check, S00, lists:seq(1, 200)), + S1 = get(rand_seed), + {V0, S2} = rand:uniform_s(S1), + V0 = rand:uniform(), + S2 = get(rand_seed), + + Exported = rand:export_seed(), + Exported = rand:export_seed_s(S2), + + S3 = lists:foldl(Check, S2, lists:seq(1, 200)), + S3 = get(rand_seed), + + S4 = lists:foldl(Check, S3, lists:seq(1, 200)), + S4 = get(rand_seed), + %% Verify that we do not have loops + false = S1 =:= S2, + false = S2 =:= S3, + false = S3 =:= S4, + + S2 = rand:seed(Exported), + S3 = lists:foldl(Check, S2, lists:seq(1, 200)), + ok. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +interval_int(doc) -> + ["Check that uniform/1 returns values within the proper interval."]; +interval_int(suite) -> + []; +interval_int(Config) when is_list(Config) -> + Algs = algs(), + Small = fun(Alg) -> + Seed = rand:seed(Alg), + io:format("Seed ~p~n",[rand:export_seed_s(Seed)]), + Max = interval_int_1(100000, 7, 0), + Max =:= 7 orelse exit({7, Alg, Max}) + end, + _ = [Small(Alg) || Alg <- Algs], + %% Test large integers + Large = fun(Alg) -> + Seed = rand:seed(Alg), + io:format("Seed ~p~n",[rand:export_seed_s(Seed)]), + Max = interval_int_1(100000, 1 bsl 128, 0), + Max > 1 bsl 64 orelse exit({large, Alg, Max}) + end, + [Large(Alg) || Alg <- Algs], + ok. + +interval_int_1(0, _, Max) -> Max; +interval_int_1(N, Top, Max) -> + X = rand:uniform(Top), + if + 0 < X, X =< Top -> + ok; + true -> + io:format("X=~p Top=~p 0<~p<~p~n", [X,Top,X,Top]), + exit({X, rand:export_seed()}) + end, + interval_int_1(N-1, Top, max(X, Max)). + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +interval_float(doc) -> + ["Check that uniform/0 returns values within the proper interval."]; +interval_float(suite) -> + []; +interval_float(Config) when is_list(Config) -> + Algs = algs(), + Test = fun(Alg) -> + _ = rand:seed(Alg), + interval_float_1(100000) + end, + [Test(Alg) || Alg <- Algs], + ok. + +interval_float_1(0) -> ok; +interval_float_1(N) -> + X = rand:uniform(), + if + 0.0 < X, X < 1.0 -> + ok; + true -> + io:format("X=~p 0<~p<1.0~n", [X,X]), + exit({X, rand:export_seed()}) + end, + interval_float_1(N-1). + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +reference(doc) -> ["Check if exs64 algorithm generates the proper sequence."]; +reference(suite) -> []; +reference(Config) when is_list(Config) -> + [reference_1(Alg) || Alg <- algs()], + ok. + +reference_1(Alg) -> + Refval = reference_val(Alg), + Testval = gen(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)]), + %% test_server:fail({Alg, Refval -- Testval}), + ok + end. + +gen(Algo) -> + Seed = case Algo of + exsplus -> %% Printed with orig 'C' code and this seed + rand:seed_s({exsplus, [12345678|12345678]}); + exs64 -> %% Printed with orig 'C' code and this seed + rand:seed_s({exs64, 12345678}); + exs1024 -> %% Printed with orig 'C' code and this seed + rand:seed_s({exs1024, {lists:duplicate(16, 12345678), []}}); + _ -> + rand:seed(Algo, {100, 200, 300}) + end, + gen(?LOOP, Seed, []). + +gen(N, State0 = {#{max:=Max}, _}, Acc) when N > 0 -> + {Random, State} = rand:uniform_s(Max, State0), + case N rem (?LOOP div 100) of + 0 -> gen(N-1, State, [Random|Acc]); + _ -> gen(N-1, State, Acc) + end; +gen(_, _, Acc) -> lists:reverse(Acc). + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% This just tests the basics so we have not made any serious errors +%% when making the conversion from the original algorithms. +%% The algorithms must have good properties to begin with +%% + +basic_stats(doc) -> ["Check that the algorithms generate sound values."]; +basic_stats(suite) -> []; +basic_stats(Config) when is_list(Config) -> + io:format("Testing uniform~n",[]), + [basic_uniform_1(?LOOP, rand:seed_s(Alg), 0.0, array:new([{default, 0}])) + || Alg <- algs()], + [basic_uniform_2(?LOOP, rand:seed_s(Alg), 0, array:new([{default, 0}])) + || Alg <- algs()], + io:format("Testing normal~n",[]), + [basic_normal_1(?LOOP, rand:seed_s(Alg), 0, 0) || Alg <- algs()], + ok. + +basic_uniform_1(N, S0, Sum, A0) when N > 0 -> + {X,S} = rand:uniform_s(S0), + I = trunc(X*100), + A = array:set(I, 1+array:get(I,A0), A0), + basic_uniform_1(N-1, S, Sum+X, A); +basic_uniform_1(0, {#{type:=Alg}, _}, Sum, A) -> + AverN = Sum / ?LOOP, + io:format("~.10w: Average: ~.4f~n", [Alg, AverN]), + Counters = array:to_list(A), + Min = lists:min(Counters), + Max = lists:max(Counters), + io:format("~.10w: Min: ~p Max: ~p~n", [Alg, Min, Max]), + + %% Verify that the basic statistics are ok + %% be gentle we don't want to see to many failing tests + abs(0.5 - AverN) < 0.005 orelse test_server:fail({average, Alg, AverN}), + abs(?LOOP div 100 - Min) < 1000 orelse test_server:fail({min, Alg, Min}), + abs(?LOOP div 100 - Max) < 1000 orelse test_server:fail({max, Alg, Max}), + ok. + +basic_uniform_2(N, S0, Sum, A0) when N > 0 -> + {X,S} = rand:uniform_s(100, S0), + A = array:set(X-1, 1+array:get(X-1,A0), A0), + basic_uniform_2(N-1, S, Sum+X, A); +basic_uniform_2(0, {#{type:=Alg}, _}, Sum, A) -> + AverN = Sum / ?LOOP, + io:format("~.10w: Average: ~.4f~n", [Alg, AverN]), + Counters = tl(array:to_list(A)), + Min = lists:min(Counters), + Max = lists:max(Counters), + io:format("~.10w: Min: ~p Max: ~p~n", [Alg, Min, Max]), + + %% Verify that the basic statistics are ok + %% be gentle we don't want to see to many failing tests + abs(50.5 - AverN) < 0.5 orelse test_server:fail({average, Alg, AverN}), + abs(?LOOP div 100 - Min) < 1000 orelse test_server:fail({min, Alg, Min}), + abs(?LOOP div 100 - Max) < 1000 orelse test_server:fail({max, Alg, Max}), + ok. + +basic_normal_1(N, S0, Sum, Sq) when N > 0 -> + {X,S} = rand:normal_s(S0), + basic_normal_1(N-1, S, X+Sum, X*X+Sq); +basic_normal_1(0, {#{type:=Alg}, _}, Sum, SumSq) -> + Mean = Sum / ?LOOP, + StdDev = math:sqrt((SumSq - (Sum*Sum/?LOOP))/(?LOOP - 1)), + io:format("~.10w: Average: ~7.4f StdDev ~6.4f~n", [Alg, Mean, StdDev]), + %% Verify that the basic statistics are ok + %% be gentle we don't want to see to many failing tests + abs(Mean) < 0.005 orelse test_server:fail({average, Alg, Mean}), + abs(StdDev - 1.0) < 0.005 orelse test_server:fail({stddev, Alg, StdDev}), + ok. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +plugin(doc) -> ["Test that the user can write algorithms"]; +plugin(suite) -> []; +plugin(Config) when is_list(Config) -> + _ = lists:foldl(fun(_, S0) -> + {V1, S1} = rand:uniform_s(10000, S0), + true = is_integer(V1), + {V2, S2} = rand:uniform_s(S1), + true = is_float(V2), + S2 + end, crypto_seed(), lists:seq(1, 200)), + ok. + +%% Test implementation +crypto_seed() -> + {#{type=>crypto, + max=>(1 bsl 64)-1, + next=>fun crypto_next/1, + uniform=>fun crypto_uniform/1, + uniform_n=>fun crypto_uniform_n/2}, + <<>>}. + +%% Be fair and create bignums i.e. 64bits otherwise use 58bits +crypto_next(<<Num:64, Bin/binary>>) -> + {Num, Bin}; +crypto_next(_) -> + crypto_next(crypto:rand_bytes((64 div 8)*100)). + +crypto_uniform({Api, Data0}) -> + {Int, Data} = crypto_next(Data0), + {Int / (1 bsl 64), {Api, Data}}. + +crypto_uniform_n(N, {Api, Data0}) when N < (1 bsl 64) -> + {Int, Data} = crypto_next(Data0), + {(Int rem N)+1, {Api, Data}}; +crypto_uniform_n(N, State0) -> + {F,State} = crypto_uniform(State0), + {trunc(F * N) + 1, State}. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Not a test but measures the time characteristics of the different algorithms +measure(Suite) when is_atom(Suite) -> []; +measure(_Config) -> + Algos = [crypto64|algs()], + io:format("RNG uniform integer performance~n",[]), + _ = measure_1(random, fun(State) -> {int, random:uniform_s(10000, State)} end), + _ = [measure_1(Algo, fun(State) -> {int, rand:uniform_s(10000, State)} end) || Algo <- Algos], + io:format("RNG uniform float performance~n",[]), + _ = measure_1(random, fun(State) -> {uniform, random:uniform_s(State)} end), + _ = [measure_1(Algo, fun(State) -> {uniform, rand:uniform_s(State)} end) || Algo <- Algos], + io:format("RNG normal float performance~n",[]), + io:format("~.10w: not implemented (too few bits)~n", [random]), + _ = [measure_1(Algo, fun(State) -> {normal, rand:normal_s(State)} end) || Algo <- Algos], + ok. + +measure_1(Algo, Gen) -> + Parent = self(), + Seed = fun(crypto64) -> crypto_seed(); + (random) -> random:seed(os:timestamp()), get(random_seed); + (Alg) -> rand:seed_s(Alg) + end, + + Pid = spawn_link(fun() -> + Fun = fun() -> measure_2(?LOOP, Seed(Algo), Gen) end, + {Time, ok} = timer:tc(Fun), + io:format("~.10w: ~pµs~n", [Algo, Time]), + Parent ! {self(), ok}, + normal + end), + receive + {Pid, Msg} -> Msg + end. + +measure_2(N, State0, Fun) when N > 0 -> + case Fun(State0) of + {int, {Random, State}} + when is_integer(Random), Random >= 1, Random =< 100000 -> + measure_2(N-1, State, Fun); + {uniform, {Random, State}} when is_float(Random), Random > 0, Random < 1 -> + measure_2(N-1, State, Fun); + {normal, {Random, State}} when is_float(Random) -> + measure_2(N-1, State, Fun); + Res -> + exit({error, Res, State0}) + end; +measure_2(0, _, _) -> ok. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%%% Data +reference_val(exs64) -> + [16#3737ad0c703ff6c3,16#3868a78fe71adbbd,16#1f01b62b4338b605,16#50876a917437965f, + 16#b2edfe32a10e27fc,16#995924551d8ebae1,16#9f1e6b94e94e0b58,16#27ec029eb0e94f8e, + 16#bf654e6df7fe5c,16#b7d5ef7b79be65e3,16#4bdba4d1c159126b,16#a9c816fdc701292c, + 16#a377b6c89d85ac8b,16#7abb5cd0e5847a6,16#62666f1fc00a0a90,16#1edc3c3d255a8113, + 16#dfc764073767f18e,16#381783d577ca4e34,16#49693588c085ddcb,16#da6fcb16dd5163f3, + 16#e2357a703475b1b7,16#aaa84c4924b5985a,16#b8fe07bb2bac1e49,16#23973ac0160ff064, + 16#1afbc7b023f5d618,16#9f510f7b7caa2a0f,16#d5b0a57f7f5f1084,16#d8c49b66c5f99a29, + 16#e920ac3b598b5213,16#1090d7e27e7a7c76,16#81171917168ee74f,16#f08489a3eb6988e, + 16#396260c4f0b2ed46,16#4fd0a6a6caefd5b2,16#423dff07a3b888a,16#12718773ebd99987, + 16#e50991e540807cb,16#8cfa03bbaa6679d6,16#55bdf86dfbb92dbf,16#eb7145378cce74a8, + 16#71856c224c846595,16#20461588dae6e24d,16#c73b3e63ced74bac,16#775b11813dda0c78, + 16#91f358e51068ede0,16#399955ef36766bc2,16#4489ee072e8a38b1,16#ba77759d52321ca0, + 16#14f519eab5c53db8,16#1f754bd08e4f34c4,16#99e25ca29b2fcfeb,16#da11927c0d9837f8, + 16#1eeb0f87009f5a87,16#a7c444d3b0db1089,16#49c7fbf0714849ad,16#4f2b693e7f8265cb, + 16#80e1493cbaa8f256,16#186f345bcac2661e,16#330065ae0c698d26,16#5235ed0432c42e93, + 16#429792e31ddb10bb,16#8769054bb6533cff,16#1ab382483444201f,16#2216368786fc7b9, + 16#1efea1155216da0b,16#782dc868ba595452,16#2b80f6d159617f48,16#407fc35121b2fa1b, + 16#90e8be6e618873d1,16#40ad4ec92a8abf8e,16#34e2890f583f435,16#838c0aef0a5d8427, + 16#ed4238f4bd6cbcfa,16#7feed11f7a8bb9f0,16#2b0636a93e26c89d,16#481ad4bea5180646, + 16#673e5ad861afe1cc,16#298eeb519d69e74d,16#eb1dd06d168c856,16#4770651519ee7ef9, + 16#7456ebf1bcf608f1,16#d6200f6fbd61ce05,16#c0695dfab11ab6aa,16#5bff449249983843, + 16#7aba88471474c9ac,16#d7e9e4a21c989e91,16#c5e02ee67ccb7ce1,16#4ea8a3a912246153, + 16#f2e6db7c9ce4ec43,16#39498a95d46d2470,16#c5294fcb8cce8aa9,16#a918fe444719f3dc, + 16#98225f754762c0c0,16#f0721204f2cb43f5,16#b98e77b099d1f2d1,16#691d6f75aee3386, + 16#860c7b2354ec24fd,16#33e007bd0fbcb609,16#7170ae9c20fb3d0,16#31d46938fe383a60]; + +reference_val(exs1024) -> + [16#9c61311d0d4a01fd,16#ce963ef5803b703e,16#545dcffb7b644e1a,16#edd56576a8d778d5, + 16#16bee799783c6b45,16#336f0b3caeb417fa,16#29291b8be26dedfa,16#1efed996d2e1b1a8, + 16#c5c04757bd2dadf9,16#11aa6d194009c616,16#ab2b3e82bdb38a91,16#5011ee46fd2609eb, + 16#766db7e5b701a9bb,16#d42cb2632c419f35,16#107c6a2667bf8557,16#3ffbf922cb306967, + 16#1e71e3d024ac5131,16#6fdb368ec67a5f06,16#b0d8e72e7aa6d1c1,16#e5705a02dae89e3b, + 16#9c24eb68c086a1d3,16#418de330f55f71f0,16#2917ddeb278bc8d2,16#aeba7fba67208f39, + 16#10ceaf40f6af1d8d,16#47a6d06811d33132,16#603a661d6caf720a,16#a28bd0c9bcdacb3c, + 16#f44754f006909762,16#6e25e8e67ccc43bc,16#174378ce374a549e,16#b5598ae9f57c4e50, + 16#ca85807fbcd51dd,16#1816e58d6c3cc32a,16#1b4d630d3c8e96a6,16#c19b1e92b4efc5bd, + 16#665597b20ddd721a,16#fdab4eb21b75c0ae,16#86a612dcfea0756c,16#8fc2da192f9a55f0, + 16#d7c954eb1af31b5,16#6f5ee45b1b80101b,16#ebe8ea4e5a67cbf5,16#1cb952026b4c1400, + 16#44e62caffe7452c0,16#b591d8f3e6d7cbcf,16#250303f8d77b6f81,16#8ef2199aae4c9b8d, + 16#a16baa37a14d7b89,16#c006e4d2b2da158b,16#e6ec7abd54c93b31,16#e6b0d79ae2ab6fa7, + 16#93e4b30e4ab7d4cd,16#42a01b6a4ef63033,16#9ab1e94fe94976e,16#426644e1de302a1f, + 16#8e58569192200139,16#744f014a090107c1,16#15d056801d467c6c,16#51bdad3a8c30225f, + 16#abfc61fb3104bd45,16#c610607122272df7,16#905e67c63116ebfc,16#1e4fd5f443bdc18, + 16#1945d1745bc55a4c,16#f7cd2b18989595bb,16#f0d273b2c646a038,16#ee9a6fdc6fd5d734, + 16#541a518bdb700518,16#6e67ab9a65361d76,16#bcfadc9bfe5b2e06,16#69fa334cf3c11496, + 16#9657df3e0395b631,16#fc0d0442160108ec,16#2ee538da7b1f7209,16#8b20c9fae50a5a9e, + 16#a971a4b5c2b3b6a,16#ff6241e32489438e,16#8fd6433f45255777,16#6e6c82f10818b0dc, + 16#59a8fad3f6af616b,16#7eac34f43f12221c,16#6e429ec2951723ec,16#9a65179767a45c37, + 16#a5f8127d1e6fdf35,16#932c50bc633d8d5c,16#f3bbea4e7ebecb8,16#efc3a2bbf6a8674, + 16#451644a99971cb6,16#cf70776d652c150d,16#c1fe0dcb87a25403,16#9523417132b2452e, + 16#8f98bc30d06b980e,16#bb4b288ecb8daa9a,16#59e54beb32f78045,16#f9ab1562456b9d66, + 16#6435f4130304a793,16#b4bb94c2002e1849,16#49a86d1e4bade982,16#457d63d60ed52b95]; + +reference_val(exsplus) -> + [16#bc76c2e638db,16#15ede2ebb16c9fb,16#185ee2c27d6b88d,16#15d5ee9feafc3a5, + 16#1862e91dfce3e6b,16#2c9744b0fb69e46,16#78b21bc01cef6b,16#2d16a2fae6c76ba, + 16#13dfccb8ff86bce,16#1d9474c59e23f4d,16#d2f67dcd7f0dd6,16#2b6d489d51a0725, + 16#1fa52ef484861d8,16#1ae9e2a38f966d4,16#2264ab1e193acca,16#23bbca085039a05, + 16#2b6eea06a0af0e1,16#3ad47fa8866ea20,16#1ec2802d612d855,16#36c1982b134d50, + 16#296b6a23f5b75e0,16#c5eeb600a9875c,16#2a3fd51d735f9d4,16#56fafa3593a070, + 16#13e9d416ec0423e,16#28101a91b23e9dc,16#32e561eb55ce15a,16#94a7dbba66fe4a, + 16#2e1845043bcec1f,16#235f7513a1b5146,16#e37af1bf2d63cb,16#2048033824a1639, + 16#c255c750995f7,16#2c7542058e89ee3,16#204dfeefbdb62ba,16#f5a936ec63dd66, + 16#33b3b7dbbbd8b90,16#c4f0f79026ffe9,16#20ffee2d37aca13,16#2274f931716be2c, + 16#29b883902ba9df1,16#1a838cd5312717f,16#2edfc49ff3dc1d6,16#418145cbec84c2, + 16#d2d8f1a17d49f,16#d41637bfa4cc6f,16#24437e03a0f5df8,16#3d1d87919b94a90, + 16#20d6997b36769b6,16#16f9d7855cd87ca,16#821ef7e2a062a3,16#2c4d11dc4a2da70, + 16#24a3b27f56ed26b,16#144b23c8b97387a,16#34a2ced56930d12,16#21cc0544113a017, + 16#3e780771f634fb2,16#146c259c02e7e18,16#1d99e4cfad0ef1,16#fdf3dabefc6b3a, + 16#7d0806e4d12dfb,16#3e3ae3580532eae,16#2456544200fbd86,16#f83aad4e88db85, + 16#37c134779463b4d,16#21a20bf64b6e735,16#1c0585ac88b69f2,16#1b3fcea8dd30e56, + 16#334bc301aefd97,16#37066eb7e80a946,16#15a19a6331b570f,16#35e67fa43c3f7d0, + 16#152a4020145fb80,16#8d55139491dfbe,16#21d9cba585c059d,16#31475f363654635, + 16#2567b17acb7a104,16#39201be3a7681c5,16#6bc675fd26b601,16#334b93232b1b1e3, + 16#357c402cb732c6a,16#362e32efe4db46a,16#8edc7ae3da51e5,16#31573376785eac9, + 16#6c6145ffa1169d,16#18ec2c393d45359,16#1f1a5f256e7130c,16#131cc2f49b8004f, + 16#36f715a249f4ec2,16#1c27629826c50d3,16#914d9a6648726a,16#27f5bf5ce2301e8, + 16#3dd493b8012970f,16#be13bed1e00e5c,16#ceef033b74ae10,16#3da38c6a50abe03, + 16#15cbd1a421c7a8c,16#22794e3ec6ef3b1,16#26154d26e7ea99f,16#3a66681359a6ab6]. diff --git a/lib/test_server/src/ts_install_cth.erl b/lib/test_server/src/ts_install_cth.erl index 3dfa6174fe..54ca69637e 100644 --- a/lib/test_server/src/ts_install_cth.erl +++ b/lib/test_server/src/ts_install_cth.erl @@ -238,9 +238,15 @@ generate_nodenames2(0, _Hosts, Acc) -> Acc; generate_nodenames2(N, Hosts, Acc) -> Host=lists:nth((N rem (length(Hosts)))+1, Hosts), - Name=list_to_atom(temp_nodename("nod") ++ "@" ++ Host), + Name=list_to_atom(temp_nodename("nod",N) ++ "@" ++ Host), generate_nodenames2(N-1, Hosts, [Name|Acc]). -temp_nodename(Base) -> - Num = erlang:unique_integer([positive]), - Base ++ integer_to_list(Num). +%% We cannot use erlang:unique_integer([positive]) +%% here since this code in run on older test releases as well. +temp_nodename(Base,I) -> + {A,B,C} = os:timestamp(), + Nstr = integer_to_list(I), + Astr = integer_to_list(A), + Bstr = integer_to_list(B), + Cstr = integer_to_list(C), + Base++Nstr++Astr++Bstr++Cstr. diff --git a/lib/xmerl/src/xmerl.erl b/lib/xmerl/src/xmerl.erl index 01af183eef..88eaefc492 100644 --- a/lib/xmerl/src/xmerl.erl +++ b/lib/xmerl/src/xmerl.erl @@ -313,7 +313,7 @@ apply_cb([M|Ms], F, Df, Args, A, Ms0) -> true -> apply(M, F, Args); false -> apply_cb(Ms, F, Df, Args, A, Ms0) end; -apply_cb([], Df, Df, Args, A, _Ms0) -> +apply_cb([], Df, Df, Args, _A, _Ms0) -> exit({unknown_tag, {Df, Args}}); apply_cb([], F, Df, Args, A, Ms0) -> apply_cb(Ms0, Df, Df, [F|Args], A+1). diff --git a/lib/xmerl/vsn.mk b/lib/xmerl/vsn.mk index aab2a37d6c..1ed230316f 100644 --- a/lib/xmerl/vsn.mk +++ b/lib/xmerl/vsn.mk @@ -1 +1 @@ -XMERL_VSN = 1.3.7 +XMERL_VSN = 1.3.8 diff --git a/make/otp_release_targets.mk b/make/otp_release_targets.mk index fcac2ff695..3180a559cc 100644 --- a/make/otp_release_targets.mk +++ b/make/otp_release_targets.mk @@ -44,6 +44,7 @@ $(HTMLDIR)/index.html: $(XML_FILES) $(SPECS_FILES) --stringparam gendate "$$date" \ --stringparam appname "$(APPLICATION)" \ --stringparam appver "$(VSN)" \ + --stringparam extra_front_page_info "$(DOC_EXTRA_FRONT_PAGE_INFO)" \ --stringparam stylesheet "$(CSS_FILE)" \ --stringparam winprefix "$(WINPREFIX)" \ --stringparam logo "$(HTMLLOGO_FILE)" \ @@ -64,6 +65,7 @@ $(HTMLDIR)/users_guide.html: $(XML_FILES) --stringparam gendate "$$date" \ --stringparam appname "$(APPLICATION)" \ --stringparam appver "$(VSN)" \ + --stringparam extra_front_page_info "$(DOC_EXTRA_FRONT_PAGE_INFO)" \ --stringparam stylesheet "$(CSS_FILE)" \ --stringparam winprefix "$(WINPREFIX)" \ --stringparam logo "$(HTMLLOGO_FILE)" \ @@ -80,6 +82,7 @@ $(HTMLDIR)/users_guide.html: $(XML_FILES) --stringparam gendate "$$date" \ --stringparam appname "$(APPLICATION)" \ --stringparam appver "$(VSN)" \ + --stringparam extra_front_page_info "$(DOC_EXTRA_FRONT_PAGE_INFO)" \ --stringparam logo "$(PDFLOGO_FILE)" \ --stringparam pdfcolor "$(PDFCOLOR)" \ --xinclude $(TOP_SPECS_PARAM) \ |