Sha256: c788107d32d7a75171a8fc9f91fe2b11c964355c999ef4e922be74349ce1e53e
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Size: 1019 Bytes
Versions: 9
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Stored size: 1019 Bytes
Contents
module Danica
class Wrapper::Constant
include BaseOperations
include Common
attr_reader :value, :latex, :gnu
default_value :priority, 10
default_value :valued?, true
default_value :is_grouped?, false
default_value :constant?, true
def initialize(*args)
attrs = args.extract_options!
attrs = args.as_hash(%i(value latex gnu)).merge(attrs)
attrs.each do |key, value|
self.send("#{key}=", value)
end
end
def to_f
value.to_f
end
def ==(other)
return false unless other.class == self.class
gnu == other.gnu && latex == other.latex && value == other.value
end
def to_tex
latex.to_s
end
def to_gnu
gnu.to_s
end
private
def value=(value)
@value = value
end
def latex=(latex)
@latex = latex
end
def gnu=(gnu)
@gnu = gnu
end
end
E = Wrapper::Constant.new(Math::E, :e, 'exp(1)')
PI = Wrapper::Constant.new(Math::PI, '\pi', :pi)
end
Version data entries
9 entries across 9 versions & 1 rubygems