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SpecialFunction Class
Provides some special functions to be used from within kernels.
Inheritance Hierarchy
SystemObject
  AleaSpecialFunction

Namespace:  Alea
Assembly:  Alea (in Alea.dll) Version: 3.0.4.5
Syntax
public static class SpecialFunction

The SpecialFunction type exposes the following members.

Methods
  NameDescription
Public methodStatic memberbessel_jn
Bessel function of the first kind of order n.
Public methodStatic membercopysign
Public methodStatic membercopysignf
Public methodStatic membererf
Error function
Public methodStatic membererfc
Complementary error function
Public methodStatic membererfcx
Scaled complementary error function
Public methodStatic membererfcx_a
Public methodStatic membererfcx_jw
Scaled complementary error function
Public methodStatic membererfcx_y100
Ported from the C code of Steven G. Johnson, October 2012.
Public methodStatic memberfactorial
Factorial, used in Bessel functions.
Public methodStatic memberfast_fdivide
Public methodStatic memberfast_fdividef
Public methodStatic membergamma
Gamma function for a positive real argument x defined as
Public methodStatic membergammai
Gamma function for integer values.
Public methodStatic membergammapdf
Evaluates the pdf of a gamma distribution at the point x. Both beta and alpha must be positive.
Public methodStatic membergammapdf_precalc
Evaluates the pdf of a gamma distribution at the point x with a pre-calculated value of log (gamma alpha). Both beta and alpha must be positive.
Public methodStatic memberlgamma
Log(Gamma) function for a positive real argument x defined as
Public methodStatic membernormcdf
Cumulative normal distribution function
Public methodStatic membernormcdf_as
Cumulative normal distribution function.
Public methodStatic membernormcdf_erf
Cumulative normal distribution function
Public methodStatic membernormcdff_as
Cumulative normal distribution function.
Public methodStatic membernormcdff_erf
Cumulative normal distribution function
Public methodStatic membernormcdfinv_ack
Inverse normal cumulative distribution function. Acklam.
Public methodStatic membernormcdfinv_sb
Inverse normal cumulative distribution function. Implementation based on Shaw-Brickman.
Public methodStatic membernormcdfinv_sb_ex
Inverse normal cumulative distribution function
Public methodStatic membernormcdfinvf_sb
Inverse normal cumulative distribution function (float32). Implementation based on Shaw-Brickman.
Public methodStatic membernormpdf
Normal probability density function
Public methodStatic membernormpdff
Normal probability density function
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Fields
  NameDescription
Public fieldStatic memberispi
Public fieldStatic memberoneOverSqrt2
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See Also