/ Ruby
/
module

Math

v1_9_2_180 - Show latest stable

The Math module contains module functions for basic trigonometric and transcendental functions. See class Float for a list of constants that define Ruby’s floating point accuracy.

Constants

E = DBL2NUM(M_E)

PI = DBL2NUM(M_PI)

Files

  • lib/mathn.rb
  • math.c

1Note

Input for trigonometric functions must be radians

emime · Mar 31, 2009

You must use radians to have the right result. For example to compute the sin of 125 degrees use:

Math.sin(125*Math::PI/180)