module Compass::SassExtensions::Functions::Math

Public Instance Methods

cos(number) click to toggle source
# File lib/compass/sass_extensions/functions/math.rb, line 13
def cos(number)
  trig(:cos, number)
end
e() click to toggle source
# File lib/compass/sass_extensions/functions/math.rb, line 23
def e()
  Sass::Script::Number.new(Math::E)
end
logarithm(number, base = e ) click to toggle source
# File lib/compass/sass_extensions/functions/math.rb, line 28
def logarithm(number, base = e )
  assert_type number, :Number
  assert_type base, :Number
  raise Sass::SyntaxError, "base to logarithm must be unitless." unless base.unitless?

  result = Math.log(number.value, base.value) rescue Math.log(number.value) / Math.log(base.value)
  Sass::Script::Number.new(result, number.numerator_units, number.denominator_units)
end
pi() click to toggle source
# File lib/compass/sass_extensions/functions/math.rb, line 3
def pi()
  Sass::Script::Number.new(Math::PI)
end
pow(number, exponent) click to toggle source
# File lib/compass/sass_extensions/functions/math.rb, line 47
def pow(number, exponent)
  assert_type number, :Number
  assert_type exponent, :Number
  raise Sass::SyntaxError, "exponent to pow must be unitless." unless exponent.unitless?
  Sass::Script::Number.new(number.value**exponent.value, number.numerator_units, number.denominator_units)
end
sin(number) click to toggle source
# File lib/compass/sass_extensions/functions/math.rb, line 8
def sin(number)
  trig(:sin, number)
end
sqrt(number) click to toggle source
# File lib/compass/sass_extensions/functions/math.rb, line 39
def sqrt(number)
  numeric_transformation(number) { |n| Math.sqrt(n) }
end
Also aliased as: square_root
square_root(number) click to toggle source
Alias for: sqrt
tan(number) click to toggle source
# File lib/compass/sass_extensions/functions/math.rb, line 18
def tan(number)
  trig(:tan, number)
end