std.internal.math.errorfunction

Error Functions and Normal Distribution.

License

Boost License 1.0.

Copyright

Based on the CEPHES math library, which is

Copyright (C) 1994 Stephen L. Moshier (moshier@world.std.com).

Authors

Stephen L. Moshier, ported to D by Don Clugston and David Nadlinger
var EXP_2 isIEEEQuadruple MAXLOG MINLOG P Q SQRT2PI
fn erf erfc expx2 normalDistributionImpl normalDistributionInvImpl rationalPoly

Functions 6

fnT rationalPoly(T)(T x, const(T) [] numerator, const(T) [] denominator) pure nothrow @safe @nogc
fnreal erfc(real a) pure nothrow @safe @nogcComplementary error function
fnreal erf(real x) pure nothrow @safe @nogcError function
fnreal expx2(real x, int sign) pure nothrow @safe @nogc
fnreal normalDistributionImpl(real a) pure nothrow @safe @nogc
fnreal normalDistributionInvImpl(real p) pure nothrow @safe @nogc

Variables 7

private varreal EXP_2 = 0.135335283236612691893999494972484403L
private enumvarSQRT2PI = 2.50662827463100050241576528481104525L
private enumvarMAXLOG = 0x1.62e42fefa39ef358p+13L
private enumvarMINLOG = - 0x1.6436716d5406e6d8p+13L
private varreal[10] P
private varreal[11] Q
private enumvarisIEEEQuadruple = floatTraits!real.realFormat == RealFormat.ieeeQuadruple