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opt
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ruby27
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ri
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system
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Random
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//opt/alt/ruby27/share/ri/system/Random/cdesc-Random.ri
U:RDoc::NormalClass[iI"Random:ET@I"Object;To:RDoc::Markup::Document:@parts[o;;[o:RDoc::Markup::Paragraph;[ I"ORandom provides an interface to Ruby's pseudo-random number generator, or ;TI"QPRNG. The PRNG produces a deterministic sequence of bits which approximate ;TI"Ntrue randomness. The sequence may be represented by integers, floats, or ;TI"binary strings.;To:RDoc::Markup::BlankLine o; ;[I"HThe generator may be initialized with either a system-generated or ;TI"4user-supplied seed value by using Random.srand.;T@o; ;[I"QThe class method Random.rand provides the base functionality of Kernel.rand ;TI"Ialong with better handling of floating point values. These are both ;TI"9interfaces to Random::DEFAULT, the Ruby system PRNG.;T@o; ;[ I"CRandom.new will create a new PRNG with a state independent of ;TI"QRandom::DEFAULT, allowing multiple generators with different seed values or ;TI"Gsequence positions to exist simultaneously. Random objects can be ;TI";marshaled, allowing sequences to be saved and resumed.;T@o; ;[I"RPRNGs are currently implemented as a modified Mersenne Twister with a period ;TI"of 2**19937-1.;T: @fileI" random.c;T:0@omit_headings_from_table_of_contents_below0;0;0[ [U:RDoc::Constant[i I"DEFAULT;TI"Random::DEFAULT;T:public0o;;[o; ;[I"?The default Pseudorandom number generator. Used by class ;TI"methods of Random.;T@;@';0@'@cRDoc::NormalClass0[[I"Random::Formatter;To;;[ ;@';0I" random.c;T[[I" class;T[[;[ [:protected[ [:private[[I" bytes;T@:[I"new;T@:[I" new_seed;T@:[I" rand;T@:[I" srand;T@:[I"urandom;T@:[I" instance;T[[;[ [;[ [;[ [I"==;T@:[I" bytes;T@:[I" rand;T@:[I" seed;T@:[ [U:RDoc::Context::Section[i 0o;;[ ;0;0[I"lib/securerandom.rb;TI" random.c;T@'cRDoc::TopLevel