BLAS/SRC/zscal.f(3) Library Functions Manual BLAS/SRC/zscal.f(3)

BLAS/SRC/zscal.f


subroutine zscal (n, za, zx, incx)
ZSCAL

ZSCAL

Purpose:

    ZSCAL scales a vector by a constant.

Parameters

N 
          N is INTEGER
         number of elements in input vector(s)

ZA

          ZA is COMPLEX*16
           On entry, ZA specifies the scalar alpha.

ZX

          ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) )

INCX

          INCX is INTEGER
         storage spacing between elements of ZX

Author

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Further Details:

     jack dongarra, 3/11/78.
     modified 3/93 to return if incx .le. 0.
     modified 12/3/93, array(1) declarations changed to array(*)

Definition at line 77 of file zscal.f.

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