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bower_components/gumby/sass/extensions/sassy-math/lib/sassy-math.rb

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+require 'compass'
+Compass::Frameworks.register("sassy-math", :path => "#{File.dirname(__FILE__)}/..")
+
+# Sassy math Functions
+module Sass::Script::Functions
+  # Exponents
+  def exponent(base, powerNum, powerDen)
+    base = base.value.to_f
+    powerNum = powerNum.value.to_f
+    powerDen = powerDen.value.to_f
+    result = base ** (powerNum / powerDen)
+    Sass::Script::Number.new(result)
+  end
+  def power(base, exponent)
+    base = base.value.to_f
+    exponent = exponent.value.to_f
+    result = base ** exponent
+    Sass::Script::Number.new(result)
+  end
+  def sqrt(number)
+    number = number.value.to_f
+    result = Math.sqrt(number)
+    Sass::Script::Number.new(result)
+  end
+  def nth_root(number, root)
+    number = number.value.to_f
+    root = root.value.to_f
+    result = number ** (1.0 / root)
+    Sass::Script::Number.new(result)
+  end
+  # Logarithms
+  def ln(num)
+    result = Math.log(num.value)
+    Sass::Script::Number.new(result)
+  end
+  def log10(num)
+    result = Math.log10(num.value)
+    Sass::Script::Number.new(result)
+  end
+  # Miscellaneous
+  def factorial(number)
+    result = 1
+    number = number.value
+    if number > 0
+      (1..number).each do |i|
+        result = result * i
+      end 
+    end 
+    Sass::Script::Number.new(result)
+  end
+  def random(max = Sass::Script::Number.new(100)) ## shamelessly taken from here: https://gist.github.com/1561650
+    Sass::Script::Number.new(rand(max.value), max.numerator_units, max.denominator_units)
+  end
+  def hypot(a, b)
+    a = a.value.to_f
+    b = b.value.to_f
+    result = Math.hypot(a, b)
+    Sass::Script::Number.new(result)
+  end
+  # Constants
+  def pi
+    pi = Math::PI
+    Sass::Script::Number.new(pi)
+  end
+  def e
+    e = Math::E
+    Sass::Script::Number.new(e)
+  end
+  def golden_ratio()
+    result = (1.0 / 2.0) + (Math.sqrt(5) / 2.0)
+    Sass::Script::Number.new(result)
+  end
+  # Comparative Functions
+  def is_int(number)
+    number = number.value.to_f
+    if number - number.floor != 0
+      result = false
+    else
+      result = true
+    end
+    Sass::Script::Bool.new(result)
+  end
+  def is_float(number)
+    number = number.value
+    if number - number.floor != 0
+      result = true
+    else
+      result = false
+    end
+    Sass::Script::Bool.new(result)
+  end
+  # Trigonometric Functions
+  def deg_to_rad(degree)
+    result = degree.value.to_f * Math::PI / 180
+    Sass::Script::Number.new(result)
+  end
+  def rad_to_deg(rad)
+    result = rad.value.to_f * 180 / Math::PI
+    Sass::Script::Number.new(result)
+  end
+  def cosh(rad)
+    rad = rad.value.to_f
+    result = Math.cosh(rad)
+    Sass::Script::Number.new(result)
+  end
+  def acos(rad)
+    rad = rad.value.to_f
+    result = Math.acos(rad)
+    Sass::Script::Number.new(result)
+  end
+  def acosh(rad)
+    rad = rad.value.to_f
+    result = Math.acosh(rad)
+    Sass::Script::Number.new(result)
+  end
+  def sinh(rad)
+    rad = rad.value.to_f
+    result = Math.sinh(rad)
+    Sass::Script::Number.new(result)
+  end
+  def asin(rad)
+    rad = rad.value.to_f
+    result = Math.asin(rad)
+    Sass::Script::Number.new(result)
+  end
+  def asinh(rad)
+    rad = rad.value.to_f
+    result = Math.asinh(rad)
+    Sass::Script::Number.new(result)
+  end
+  def tanh(rad)
+    rad = rad.value.to_f
+    result = Math.tanh(rad)
+    Sass::Script::Number.new(result)
+  end
+  def atan(rad)
+    rad = rad.value.to_f
+    result = Math.atan(rad)
+    Sass::Script::Number.new(result)
+  end
+  def atan2(y, x)
+    y = y.value.to_f
+    x = x.value.to_f
+    result = Math.atan2(y, x)
+    Sass::Script::Number.new(result)
+  end
+  def atanh(rad)
+    rad = rad.value.to_f
+    result = Math.atanh(rad)
+    Sass::Script::Number.new(result)
+  end
+end
+
+module SassyMath
+  
+  VERSION = "1.5"
+  DATE = "2012-07-29"
+
+end