albeta.f
FUNCTION ALBETA (A, B)
C***BEGIN PROLOGUE ALBETA
C***PURPOSE Compute the natural logarithm of the complete Beta
C function.
C***LIBRARY SLATEC (FNLIB)
C***CATEGORY C7B
C***TYPE SINGLE PRECISION (ALBETA-S, DLBETA-D, CLBETA-C)
C***KEYWORDS FNLIB, LOGARITHM OF THE COMPLETE BETA FUNCTION,
C SPECIAL FUNCTIONS
C***AUTHOR Fullerton, W., (LANL)
C***DESCRIPTION
C
C ALBETA computes the natural log of the complete beta function.
C
C Input Parameters:
C A real and positive
C B real and positive
C
C***REFERENCES (NONE)
C***ROUTINES CALLED ALNGAM, ALNREL, GAMMA, R9LGMC, XERMSG
C***REVISION HISTORY (YYMMDD)
C 770701 DATE WRITTEN
C 890531 Changed all specific intrinsics to generic. (WRB)
C 890531 REVISION DATE from Version 3.2
C 891214 Prologue converted to Version 4.0 format. (BAB)
C 900315 CALLs to XERROR changed to CALLs to XERMSG. (THJ)
C 900326 Removed duplicate information from DESCRIPTION section.
C (WRB)
C 900727 Added EXTERNAL statement. (WRB)
C***END PROLOGUE ALBETA