/*  -- translated by f2c (version 19940927).

   You must link the resulting object file with the libraries:

	-lf2c -lm   (in that order)

*/

#include "f2c.h"

/* Subroutine */ int cscal_(integer *n, complex *ca, complex *cx, integer *

	incx)

{

    /* System generated locals */

    integer i__1, i__2, i__3, i__4;

    complex q__1;

    /* Local variables */

    static integer i, nincx;

/*     scales a vector by a constant.   

       jack dongarra, linpack,  3/11/78.   

       modified 3/93 to return if incx .le. 0.   

       modified 12/3/93, array(1) declarations changed to array(*)   

   Parameter adjustments   

       Function Body */

#define CX(I) cx[(I)-1]

    if (*n <= 0 || *incx <= 0) {

	return 0;

    }

    if (*incx == 1) {

	goto L20;

    }

/*        code for increment not equal to 1 */

    nincx = *n * *incx;

    i__1 = nincx;

    i__2 = *incx;

    for (i = 1; *incx < 0 ? i >= nincx : i <= nincx; i += *incx) {

	i__3 = i;

	i__4 = i;

	q__1.r = ca->r * CX(i).r - ca->i * CX(i).i, q__1.i = ca->r * CX(

		i).i + ca->i * CX(i).r;

	CX(i).r = q__1.r, CX(i).i = q__1.i;

/* L10: */

    }

    return 0;

/*        code for increment equal to 1 */

L20:

    i__2 = *n;

    for (i = 1; i <= *n; ++i) {

	i__1 = i;

	i__3 = i;

	q__1.r = ca->r * CX(i).r - ca->i * CX(i).i, q__1.i = ca->r * CX(

		i).i + ca->i * CX(i).r;

	CX(i).r = q__1.r, CX(i).i = q__1.i;

/* L30: */

    }

    return 0;

} /* cscal_ */