Class: Prime::TrialDivisionGenerator

Inherits:

PseudoPrimeGenerator

• Object
• PseudoPrimeGenerator
• Prime::TrialDivisionGenerator

Defined in:

lib/prime.rb

Overview

An implementation of PseudoPrimeGenerator which uses a prime table generated by trial division.

Instance Method Summary

• #initialize ⇒ TrialDivisionGenerator constructor

  A new instance of TrialDivisionGenerator.

• #rewind ⇒ Object
• #succ ⇒ Object (also: #next)

Methods inherited from PseudoPrimeGenerator

#each, #size, #upper_bound, #upper_bound=, #with_index, #with_object

Constructor Details

#initialize ⇒ TrialDivisionGenerator

Returns a new instance of TrialDivisionGenerator.

# File 'lib/prime.rb', line 331

def initialize
  @index = -1
  super
end

Instance Method Details

#rewind ⇒ Object

# File 'lib/prime.rb', line 339

def rewind
  initialize
end

#succ ⇒ Object Also known as: next

# File 'lib/prime.rb', line 336

def succ
  TrialDivision.instance[@index += 1]
end