Returns the complex power function x**y.

    This function is supported on OpenVMS Integrity servers and
    Alpha only.

    Format

      #include  <complex.h>

      double complex cpow  (double complex x, double complex y);

      float complex cpowf  (float complex x, float complex y);

      long double complex cpowl  (long double complex x, long double complex y);

1 - Argument

 x

    A complex value.

 y

    A complex value.

2 - Description

    The cpow functions return the complex power function x**y, with a
    branch cut for the first parameter along the negative real axis.

3 - Return Values

    x                  The complex power function value.