XLPack 6.1
C/C++ API Reference Manual
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Functions

Functions

double _Complex _cdigamma (double _Complex z)
 Digamma (or psi) function ψ(z) (complex argument)
 
void _cdigamma_sub (double _Complex z, double _Complex *zout)
 Digamma (or psi) function ψ(z) (complex argument)
 
double _digamma (double x)
 Digamma (or psi) function ψ(x)
 
double _polygamma (int n, double x)
 Polygamma function ψn(x)
 
double _trigamma (double x)
 Trigamma function ψ1(x)
 

Detailed Description

This is the group of C7c. Polygamma functions.