Compass::Core::SassExtensions::Functions::Math

# File lib/compass/core/sass_extensions/functions/math.rb, line 5
def self.included(base)
  if base == Sass::Script::Functions
    base.send :alias_method, :sass_random, :random
    base.send :alias_method, :random, :deprecated_random
  end
end

# File lib/compass/core/sass_extensions/functions/math.rb, line 50
def acos(number)
  trig(:acos, number)
end

# File lib/compass/core/sass_extensions/functions/math.rb, line 40
def asin(number)
  trig(:asin, number)
end

# File lib/compass/core/sass_extensions/functions/math.rb, line 60
def atan(number)
  trig(:atan, number)
end

# File lib/compass/core/sass_extensions/functions/math.rb, line 45
def cos(number)
  trig(:cos, number)
end

# File lib/compass/core/sass_extensions/functions/math.rb, line 20
def deprecated_random(*args)
  if args.length == 2
    Compass::Util.compass_warn WARNING: The $start value for random(#{args.first}, #{args.last}) is not supported by Sass and is now  deprecated in Compass and will be removed in a future release.  Use `#{args.first} + random(#{args.last.minus(args.first)})` instead.
    range = (args.first.value..args.last.value).to_a
    number(range[rand(range.length)])
  else
    sass_random(*args)
  end
end

# File lib/compass/core/sass_extensions/functions/math.rb, line 65
def e
  E
end

# File lib/compass/core/sass_extensions/functions/math.rb, line 70
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)
  number(result, number.unit_str)
end

# File lib/compass/core/sass_extensions/functions/math.rb, line 15
def pi()
  PI
end

# File lib/compass/core/sass_extensions/functions/math.rb, line 89
def pow(number, exponent)
  assert_type number, :Number
  assert_type exponent, :Number
  raise Sass::SyntaxError, "exponent to pow must be unitless." unless exponent.unitless?
  number(number.value**exponent.value, number.unit_str)
end

# File lib/compass/core/sass_extensions/functions/math.rb, line 35
def sin(number)
  trig(:sin, number)
end

# File lib/compass/core/sass_extensions/functions/math.rb, line 81
def sqrt(number)
  numeric_transformation(number) { |n| Math.sqrt(n) }
end

# File lib/compass/core/sass_extensions/functions/math.rb, line 55
def tan(number)
  trig(:tan, number)
end