Class: Integer

Inherits:

Object

• Object
• Integer

show all

Defined in:

lib/prime.rb,
lib/yaml/rubytypes.rb

Class Method Summary (collapse)

• + (Object) each_prime(ubound, &block)

  Iterates the given block over all prime numbers.

• + (Object) from_prime_division(pd)

  Re-composes a prime factorization and returns the product.

• + (Object) yaml_new(val)

Instance Method Summary (collapse)

• - (Boolean) prime?

  Returns true if self is a prime number, false for a composite.

• - (Object) prime_division(generator = Prime::Generator23.new)

  Returns the factorization of self.

• - (Object) to_yaml(output = nil)

40
41
42

# File 'lib/prime.rb', line 40

def Integer.each_prime(ubound, &block) # :yields: prime
  Prime.each(ubound, &block)
end

21
22
23

# File 'lib/prime.rb', line 21

def Integer.from_prime_division(pd)
  Prime.int_from_prime_division(pd)
end

138
139
140

# File 'lib/yaml/rubytypes.rb', line 138

def Integer.yaml_new(val)
  val.to_i
end

33
34
35

# File 'lib/prime.rb', line 33

def prime?
  Prime.prime?(self)
end

28
29
30

# File 'lib/prime.rb', line 28

def prime_division(generator = Prime::Generator23.new)
  Prime.prime_division(self, generator)
end

142
143
144
145
146

# File 'lib/yaml/rubytypes.rb', line 142

def to_yaml(output = nil)
  YAML::quick_emit(output) do |out|
    out.scalar("tag:yaml.org,2002:int", self.to_s, :plain)
  end
end