Li2.f90 File Reference

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Functions/Subroutines
double precision function	dli2 (x)
	Real dilogarithm . More...
double complex function	cdli2 (z)
	Complex dilogarithm . More...
double precision function	dhorner (x, c, len)
	Evaluation of polynomial P(x) with len coefficients c. More...
double complex function	fast_cdlog (z)
	Fast implementation of complex logarithm. More...
subroutine	li2c (re_in, im_in, re_out, im_out)
	C wrapper for complex dilogarithm. More...

Function/Subroutine Documentation

cdli2()

double complex function cdli2

(

double complex

z

)

Complex dilogarithm .

Parameters

z	complex argument

Returns

Note

Implementation translated from SPheno by Alexander Voigt

Definition at line 97 of file Li2.f90.

dhorner()

double precision function dhorner	(	double precision	x,
		double precision, dimension(len)	c,
		integer	len
	)

Evaluation of polynomial P(x) with len coefficients c.

Parameters

x	real argument of P
c	coefficients of P(x)
len	number of coefficients

Returns

P(x)

Definition at line 180 of file Li2.f90.

dli2()

double precision function dli2

(

double precision

x

)

Real dilogarithm .

Parameters

x	real argument

Returns

Author

Alexander Voigt

Implemented as an economized Pade approximation with a maximum error of 4.16e-18.

Definition at line 19 of file Li2.f90.

fast_cdlog()

double complex function fast_cdlog

(

double complex

z

)

Fast implementation of complex logarithm.

Parameters

z	complex argument

Returns

log(z)

Definition at line 199 of file Li2.f90.

li2c()

subroutine li2c	(	double precision, intent(in)	re_in,
		double precision, intent(in)	im_in,
		double precision, intent(out)	re_out,
		double precision, intent(out)	im_out
	)

C wrapper for complex dilogarithm.

Parameters

re_in	real part of complex input
im_in	imaginary part of complex input
re_out	real part of complex output
im_out	imagoutary part of complex output

Returns

log(z)

Definition at line 219 of file Li2.f90.