HP MLIB User's Guide Vol. 2 7th Ed.

Chapter 12 VMATH 857
The reciprocal cube root of the elements of a vector vsinvcbrt, vdinvcbrt
Name vsinvcbrt, vdinvcbrt
The reciprocal cube root of the elements of a vector
Purpose vsinvcbrt and vdinvcbrt calculate the reciprocal cube root of vector elements:
y(i) = 1.0/cbrt(a(i)), for 1 <= i <= n
Usage The Fortran include file math.fi declares interfaces for these subroutines,
suitable for both VMATH and VMATH8. The interfaces are compatible with
Intel’s MKL VML (Vector Math Library).
SUBROUTINE vsinvcbrt(n, a, y)
INTEGER, INTENT(IN) :: n
REAL (KIND=4), DIMENSION(n), INTENT(IN) :: a
REAL (KIND=4), DIMENSION(n), INTENT(OUT):: y
SUBROUTINE vdinvcbrt(n, a, y)
INTEGER, INTENT(IN) :: n
REAL (KIND=8), DIMENSION(n), INTENT(IN) :: a
REAL (KIND=8), DIMENSION(n), INTENT(OUT):: y
Input n Number of elements to be calculated.
a Array of length at least n, specifying the input vector.
Output y Array of length at least n specifying the output vector.