ctan.f
COMPLEX FUNCTION CTAN (Z)
C***BEGIN PROLOGUE CTAN
C***PURPOSE Compute the complex tangent.
C***LIBRARY SLATEC (FNLIB)
C***CATEGORY C4A
C***TYPE COMPLEX (CTAN-C)
C***KEYWORDS ELEMENTARY FUNCTIONS, FNLIB, TANGENT, TRIGONOMETRIC
C***AUTHOR Fullerton, W., (LANL)
C***DESCRIPTION
C
C CTAN(Z) calculates the complex trigonometric tangent of complex
C argument Z. Z is in units of radians.
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***END PROLOGUE CTAN