GBTOlib: library for evaluation of molecular integrals in mixed Gaussian / B-spline basis  111
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special_functions_gbl::cfp_gamma_slatec Interface Reference

Public Member Functions

real(kind=wp) function wp_gamma (X)
 
real(kind=ep1) function ep_gamma (X)
 Quad precision version of wp_gamma. More...
 

Member Function/Subroutine Documentation

◆ ep_gamma()

real(kind=ep1) function special_functions_gbl::cfp_gamma_slatec::ep_gamma ( real(kind=ep1)  X)

Quad precision version of wp_gamma.

◆ wp_gamma()

real(kind=wp) function special_functions_gbl::cfp_gamma_slatec::wp_gamma ( real(kind=wp)  X)
***PURPOSE  Compute the complete Gamma function.
***LIBRARY   SLATEC (FNLIB)
***CATEGORY  C7A
***TYPE      REAL(kind=wp) (GAMMA-S, wp_gamma-D, CGAMMA-C)
***KEYWORDS  COMPLETE GAMMA FUNCTION, FNLIB, SPECIAL FUNCTIONS
***AUTHOR  Fullerton, W., (LANL)
***DESCRIPTION

 wp_gamma(X) calculates the REAL(kind=wp) complete Gamma function
 for REAL(kind=wp) argument X.

 Series for GAM        on the interval  0.          to  1.00000E+00_wp
                                        with weighted error   5.79E-32
                                         log weighted error  31.24
                               significant figures required  30.00
                                    decimal places required  32.05

***REFERENCES  (NONE)
***ROUTINES CALLED  F1MACH, cfp_9lgmc, cfp_csevl, cfp_gamlm, cfp_initds, XERMSG
***REVISION HISTORY  (YYMMDD)
   770601  DATE WRITTEN
   890531  Changed all specific intrinsics to generic.  (WRB)
   890911  Removed unnecessary intrinsics.  (WRB)
   890911  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)
   920618  Removed space from variable name.  (RWC, WRB)

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