/*  -- 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 caxpy_(integer *n, complex *ca, complex *cx, integer *

	incx, complex *cy, integer *incy)

{

    /* System generated locals */

    integer i__1, i__2, i__3, i__4;

    real r__1, r__2;

    complex q__1, q__2;

    /* Builtin functions */

    double r_imag(complex *);

    /* Local variables */

    static integer i, ix, iy;

/*     constant times a vector plus a vector.   

       jack dongarra, linpack, 3/11/78.   

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

   Parameter adjustments   

       Function Body */

#define CY(I) cy[(I)-1]

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

    if (*n <= 0) {

	return 0;

    }

    if ((r__1 = ca->r, dabs(r__1)) + (r__2 = r_imag(ca), dabs(r__2)) == 0.f) {

	return 0;

    }

    if (*incx == 1 && *incy == 1) {

	goto L20;

    }

/*        code for unequal increments or equal increments   

            not equal to 1 */

    ix = 1;

    iy = 1;

    if (*incx < 0) {

	ix = (-(*n) + 1) * *incx + 1;

    }

    if (*incy < 0) {

	iy = (-(*n) + 1) * *incy + 1;

    }

    i__1 = *n;

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

	i__2 = iy;

	i__3 = iy;

	i__4 = ix;

	q__2.r = ca->r * CX(ix).r - ca->i * CX(ix).i, q__2.i = ca->r * CX(

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

	q__1.r = CY(iy).r + q__2.r, q__1.i = CY(iy).i + q__2.i;

	CY(iy).r = q__1.r, CY(iy).i = q__1.i;

	ix += *incx;

	iy += *incy;

/* L10: */

    }

    return 0;

/*        code for both increments equal to 1 */

L20:

    i__1 = *n;

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

	i__2 = i;

	i__3 = i;

	i__4 = i;

	q__2.r = ca->r * CX(i).r - ca->i * CX(i).i, q__2.i = ca->r * CX(

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

	q__1.r = CY(i).r + q__2.r, q__1.i = CY(i).i + q__2.i;

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

/* L30: */

    }

    return 0;

} /* caxpy_ */