SLATEC Routines --- CCOT ---

*DECK CCOT
      COMPLEX FUNCTION CCOT (Z)
C***BEGIN PROLOGUE  CCOT
C***PURPOSE  Compute the cotangent.
C***LIBRARY   SLATEC (FNLIB)
C***CATEGORY  C4A
C***TYPE      COMPLEX (COT-S, DCOT-D, CCOT-C)
C***KEYWORDS  COTANGENT, ELEMENTARY FUNCTIONS, FNLIB, TRIGONOMETRIC
C***AUTHOR  Fullerton, W., (LANL)
C***DESCRIPTION
C
C CCOT(Z) calculates the complex trigonometric cotangent of Z.
C
C***REFERENCES  (NONE)
C***ROUTINES CALLED  R1MACH, XERCLR, XERMSG
C***REVISION HISTORY  (YYMMDD)
C   770401  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***END PROLOGUE  CCOT