Module: MoreMath::Constants::FunctionsConstants

Included in:

NormalDistribution

Defined in:

lib/more_math/constants/functions_constants.rb

Constant Summary

LANCZOS_COEFFICIENTS =

[
  0.99999999999999709182,
  57.156235665862923517,
  -59.597960355475491248,
  14.136097974741747174,
  -0.49191381609762019978,
  0.33994649984811888699e-4,
  0.46523628927048575665e-4,
  -0.98374475304879564677e-4,
  0.15808870322491248884e-3,
  -0.21026444172410488319e-3,
  0.21743961811521264320e-3,
  -0.16431810653676389022e-3,
  0.84418223983852743293e-4,
  -0.26190838401581408670e-4,
  0.36899182659531622704e-5,
]

HALF_LOG_2_PI =

0.5 * Math.log(2 * Math::PI)

ERF_A =

-8 * (Math::PI - 3) / (3 * Math::PI * (Math::PI - 4))

ROOT2 =

Math.sqrt(2)