The Raise a Complex Base to a Complex Floating-Point Exponent
    routines raise a complex base to a complex exponent.

    Format

      OTS$POWCC  complex-base ,complex-exponent-value

      OTS$POWCDCD_R3  complex-base ,complex-exponent-value (VAX only)

      OTS$POWCGCG_R3  complex-base ,complex-exponent-value

      OTS$POWCSCS  complex-base ,complex-exponent-value

      OTS$POWCTCT_R3  complex-base ,complex-exponent-value