GBTOlib: library for evaluation of molecular integrals in mixed Gaussian / B-spline basis
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Public Member Functions | |
subroutine | wp_lgams (X, DLGAM, SGNGAM) |
DECK wp_lgams ***BEGIN PROLOGUE wp_lgams ***PURPOSE Compute the logarithm of the absolute value of the Gamma function. ***LIBRARY SLATEC (FNLIB) ***CATEGORY C7A ***TYPE REAL(kind=wp) (ALGAMS-S, wp_lgams-D) ***KEYWORDS ABSOLUTE VALUE OF THE LOGARITHM OF THE GAMMA FUNCTION, FNLIB, SPECIAL FUNCTIONS ***AUTHOR Fullerton, W., (LANL) ***DESCRIPTION. More... | |
subroutine | ep_lgams (X, DLGAM, SGNGAM) |
Quad precision version of wp_lgams. More... | |
subroutine special_functions_gbl::cfp_lgams::ep_lgams | ( | real(kind=ep1) | X, |
real(kind=ep1) | DLGAM, | ||
real(kind=ep1) | SGNGAM | ||
) |
Quad precision version of wp_lgams.
subroutine special_functions_gbl::cfp_lgams::wp_lgams | ( | real(kind=wp) | X, |
real(kind=wp) | DLGAM, | ||
real(kind=wp) | SGNGAM | ||
) |
DECK wp_lgams ***BEGIN PROLOGUE wp_lgams ***PURPOSE Compute the logarithm of the absolute value of the Gamma function. ***LIBRARY SLATEC (FNLIB) ***CATEGORY C7A ***TYPE REAL(kind=wp) (ALGAMS-S, wp_lgams-D) ***KEYWORDS ABSOLUTE VALUE OF THE LOGARITHM OF THE GAMMA FUNCTION, FNLIB, SPECIAL FUNCTIONS ***AUTHOR Fullerton, W., (LANL) ***DESCRIPTION.
wp_lgams(X,DLGAM,SGNGAM) calculates the REAL(kind=wp) natural logarithm of the absolute value of the Gamma function for REAL(kind=wp) argument X and stores the result in double precision argument DLGAM.
***REFERENCES (NONE) ***ROUTINES CALLED cfp_lngam ***REVISION HISTORY (YYMMDD) 770701 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) ***END PROLOGUE wp_lgams