SLATEC Routines --- CBRT ---

*DECK CBRT
      FUNCTION CBRT (X)
C***BEGIN PROLOGUE  CBRT
C***PURPOSE  Compute the cube root.
C***LIBRARY   SLATEC (FNLIB)
C***CATEGORY  C2
C***TYPE      SINGLE PRECISION (CBRT-S, DCBRT-D, CCBRT-C)
C***KEYWORDS  CUBE ROOT, ELEMENTARY FUNCTIONS, FNLIB, ROOTS
C***AUTHOR  Fullerton, W., (LANL)
C***DESCRIPTION
C
C CBRT(X) calculates the cube root of X.
C
C***REFERENCES  (NONE)
C***ROUTINES CALLED  R1MACH, R9PAK, R9UPAK
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***END PROLOGUE  CBRT