SLATEC Routines --- GAMMA ---

*DECK GAMMA
      FUNCTION GAMMA (X)
C***BEGIN PROLOGUE  GAMMA
C***PURPOSE  Compute the complete Gamma function.
C***LIBRARY   SLATEC (FNLIB)
C***CATEGORY  C7A
C***TYPE      SINGLE PRECISION (GAMMA-S, DGAMMA-D, CGAMMA-C)
C***KEYWORDS  COMPLETE GAMMA FUNCTION, FNLIB, SPECIAL FUNCTIONS
C***AUTHOR  Fullerton, W., (LANL)
C***DESCRIPTION
C
C GAMMA computes the gamma function at X, where X is not 0, -1, -2, ....
C GAMMA and X are single precision.
C
C***REFERENCES  (NONE)
C***ROUTINES CALLED  CSEVL, GAMLIM, INITS, R1MACH, R9LGMC, XERMSG
C***REVISION HISTORY  (YYMMDD)
C   770601  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***END PROLOGUE  GAMMA