Functions
Function	WDconst (I As Long)
	Numerical quantities

Function	WCbrt (X As Double)
	Cube root

Function	WFma (X As Double, Y As Double, Z As Double)
	Fused multiply-add

Function	WHypot (X As Double, Y As Double)
	Square root of a square sum (hypotenuse)

Function	WExpm1 (X As Double)
	exp(x) - 1

Function	WLog1p (X As Double)
	ln(1 + x)

Function	WBesj (X As Double, Nu As Double)
	Bessel function of the first kind of order ν Jν(x) (fractional order)

Function	WBesy (X As Double, Nu As Double)
	Bessel function of the second kind of order ν Yν(x) (fractional order)

Function	WBesi (X As Double, Nu As Double)
	Modified Bessel function of the first kind of order ν Iν(x) (fractional order)

Function	WBesk (X As Double, Nu As Double)
	Modified Bessel function of the second kind of order ν Kν(x) (fractional order)

Function	WCelli1 (K As Double) As Variant
	Complete elliptic integral of the first kind K(k)

Function	WCelli2 (K As Double) As Variant
	Complete elliptic integral of the second kind E(k)

Function	WCelli3 (N As Double, K As Double) As Variant
	Complete elliptic integral of the third kind P(n, k)

Function	WE_1 (X As Double)
	Exponential integral E1(x)

Function	WEi (X As Double)
	Exponential integral Ei(x)

Function	WLi (X As Double)
	Logarithmic integral li(x)

Function	WDigamma (X As Double) As Variant
	Digamma (or psi) function ψ(x)

Function	WTrigamma (X As Double)
	Trigamma function ψ1(x)

Detailed Description

This is the group of C. Elementary and special function routines.

Functions