cgamma.f 841 B

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  1. *DECK CGAMMA
  2. COMPLEX FUNCTION CGAMMA (Z)
  3. C***BEGIN PROLOGUE CGAMMA
  4. C***PURPOSE Compute the complete Gamma function.
  5. C***LIBRARY SLATEC (FNLIB)
  6. C***CATEGORY C7A
  7. C***TYPE COMPLEX (GAMMA-S, DGAMMA-D, CGAMMA-C)
  8. C***KEYWORDS COMPLETE GAMMA FUNCTION, FNLIB, SPECIAL FUNCTIONS
  9. C***AUTHOR Fullerton, W., (LANL)
  10. C***DESCRIPTION
  11. C
  12. C CGAMMA(Z) calculates the complete gamma function for COMPLEX
  13. C argument Z. This is a preliminary version that is portable
  14. C but not accurate.
  15. C
  16. C***REFERENCES (NONE)
  17. C***ROUTINES CALLED CLNGAM
  18. C***REVISION HISTORY (YYMMDD)
  19. C 770701 DATE WRITTEN
  20. C 861211 REVISION DATE from Version 3.2
  21. C 891214 Prologue converted to Version 4.0 format. (BAB)
  22. C***END PROLOGUE CGAMMA
  23. COMPLEX Z, CLNGAM
  24. C***FIRST EXECUTABLE STATEMENT CGAMMA
  25. CGAMMA = EXP (CLNGAM(Z))
  26. C
  27. RETURN
  28. END