GBTOlib: library for evaluation of molecular integrals in mixed Gaussian / B-spline basis  111
Public Member Functions | List of all members
special_functions_gbl::cfp_lngam Interface Reference

Public Member Functions

real(kind=wp) function wp_lngam (X)
 
real(kind=ep1) function ep_lngam (X)
 Quad precision version of wp_lngam. More...
 

Member Function/Subroutine Documentation

◆ ep_lngam()

real(kind=ep1) function special_functions_gbl::cfp_lngam::ep_lngam ( real(kind=ep1)  X)

Quad precision version of wp_lngam.

◆ wp_lngam()

real(kind=wp) function special_functions_gbl::cfp_lngam::wp_lngam ( real(kind=wp)  X)
***PURPOSE  Compute the logarithm of the absolute value of the Gamma
            function.
***LIBRARY   SLATEC (FNLIB)
***CATEGORY  C7A
***TYPE      REAL(kind=cfp) (ALNGAM-S, cfp_lngam-D, CLNGAM-C)
***KEYWORDS  ABSOLUTE VALUE, COMPLETE GAMMA FUNCTION, FNLIB, LOGARITHM,
             SPECIAL FUNCTIONS
***AUTHOR  Fullerton, W., (LANL)
***DESCRIPTION

 cfp_lngam(X) calculates the REAL(kind=cfp) logarithm of the
 absolute value of the Gamma function for REAL(kind=cfp)
 argument X.

***REFERENCES  (NONE)
***ROUTINES CALLED  F1MACH, cfp_9lgmc, cfp_gamma, XERMSG
***REVISION HISTORY  (YYMMDD)
   770601  DATE WRITTEN
   890531  Changed all specific intrinsics to generic.  (WRB)
   890531  REVISION DATE from Version 3.2
   891214  Prologue converted to Version 4.0 format.  (BAB)
   900315  CALLs to XERROR changed to CALLs to XERMSG.  (THJ)
   900727  Added EXTERNAL statement.  (WRB)

The documentation for this interface was generated from the following file: