/ Ruby
/
module

Math

v1_8_6_287 - 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 = rb_float_new(M_E)

E = rb_float_new(exp(1.0))

PI = rb_float_new(M_PI)

PI = rb_float_new(atan(1.0)*4.0)

Files

  • lib/complex.rb
  • lib/mathn.rb
  • math.c

1Note

Input for trigonometric functions must be radians

emime ยท 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)