# ccbrt.f

          COMPLEX FUNCTION CCBRT (Z)
    C***BEGIN PROLOGUE  CCBRT
    C***PURPOSE  Compute the cube root.
    C***LIBRARY   SLATEC (FNLIB)
    C***CATEGORY  C2
    C***TYPE      COMPLEX (CBRT-S, DCBRT-D, CCBRT-C)
    C***KEYWORDS  CUBE ROOT, ELEMENTARY FUNCTIONS, FNLIB, ROOTS
    C***AUTHOR  Fullerton, W., (LANL)
    C***DESCRIPTION
    C
    C CCBRT(Z) calculates the complex cube root of Z.  The principal root
    C for which -PI .LT. arg(Z) .LE. +PI is returned.
    C
    C***REFERENCES  (NONE)
    C***ROUTINES CALLED  CARG, CBRT
    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***END PROLOGUE  CCBRT