Class: Mext::RandomGenerator

Inherits:

Object

• Object
• Mext::RandomGenerator

Defined in:

lib/mext/random_generator.rb

Overview

Mext::RandomGenerator

singleton seedable version of the default Random Generator

Constant Summary

MEXT_SEED_TAG =

'MEXT_SEED'

Instance Method Summary

• #initialize ⇒ RandomGenerator constructor

  A new instance of RandomGenerator.

• #r ⇒ Object
• #seed ⇒ Object
• #seed=(val) ⇒ Object

Constructor Details

#initialize ⇒ RandomGenerator

Returns a new instance of RandomGenerator.

# File 'lib/mext/random_generator.rb', line 14

def initialize
  @mext_seed = ENV[MEXT_SEED_TAG] ? ENV[MEXT_SEED_TAG] : (ENV[MEXT_SEED_TAG] = (rand()*10e20).to_i.to_s)
  self.seed = @mext_seed
end

Instance Method Details

#r ⇒ Object

# File 'lib/mext/random_generator.rb', line 27

def r
  Math.send(:rand)
end

#seed ⇒ Object

# File 'lib/mext/random_generator.rb', line 19

def seed
  @mext_seed.to_i
end

#seed=(val) ⇒ Object

# File 'lib/mext/random_generator.rb', line 23

def seed=(val)
  Math.send(:srand, val.to_i)
end