Class: NudgeType::ProportionType

Inherits:
Object
  • Object
show all
Extended by:
TypeBehaviors
Defined in:
lib/interpreter/types/proportion_type.rb

Class Method Summary collapse

Methods included from TypeBehaviors

any_value, extended, from_s, random_value, recognizes?, to_nudgecode

Class Method Details

.any_value(options = {}) ⇒ Object 



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# File 'lib/interpreter/types/proportion_type.rb', line 35

def self.any_value(options ={})
  self.random_value(options)
end

.default_highest ⇒ Object 



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# File 'lib/interpreter/types/proportion_type.rb', line 12

def self.default_highest
  @default_highest
end

.default_lowest ⇒ Object 



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# File 'lib/interpreter/types/proportion_type.rb', line 8

def self.default_lowest
  @default_lowest
end

.from_s(string_value) ⇒ Object 



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# File 'lib/interpreter/types/proportion_type.rb', line 27

def self.from_s(string_value)
  (string_value.to_f != 1.0) ? (string_value.to_f % 1.0) : 1.0
end

.random_value(params = {}) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/interpreter/types/proportion_type.rb', line 16

def self.random_value(params = {})
  bottom = params[:proportion_lower_bound] || @default_lowest
  top = params[:proportion_upper_bound] || @default_highest
  raise ArgumentError, "ProportionType#{random_value} bounds must be in range [0.0,1.0]" unless
    (0.0..1.0).include?(bottom) && (0.0..1.0).include?(top)
  raise ArgumentError, "ProportionType#{random_value} bounds are inverted" unless
    bottom <= top
  range = top - bottom
  (rand*range) + bottom
end

.recognizes?(a_thing) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/interpreter/types/proportion_type.rb', line 31

def self.recognizes?(a_thing)
  !a_thing.kind_of?(String) && !a_thing.nil? && a_thing.respond_to?(:to_f)
end