NAME

       zdrscl.f -

SYNOPSIS

   Functions/Subroutines
       subroutine zdrscl (N, SA, SX, INCX)
           ZDRSCL multiplies a vector by the reciprocal of a real scalar.

Function/Subroutine Documentation

   subroutine zdrscl (integer N, double precision SA, complex*16, dimension( * ) SX, integer
       INCX)
       ZDRSCL multiplies a vector by the reciprocal of a real scalar.

       Purpose:

            ZDRSCL multiplies an n-element complex vector x by the real scalar
            1/a.  This is done without overflow or underflow as long as
            the final result x/a does not overflow or underflow.

       Parameters:
           N

                     N is INTEGER
                     The number of components of the vector x.

           SA

                     SA is DOUBLE PRECISION
                     The scalar a which is used to divide each component of x.
                     SA must be >= 0, or the subroutine will divide by zero.

           SX

                     SX is COMPLEX*16 array, dimension
                                    (1+(N-1)*abs(INCX))
                     The n-element vector x.

           INCX

                     INCX is INTEGER
                     The increment between successive values of the vector SX.
                     > 0:  SX(1) = X(1) and SX(1+(i-1)*INCX) = x(i),     1< i<= n

       Author:
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

       Date:
           September 2012

Author

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