Windows Development in C++, Working with Menus

#include "stdafx.h"
/*  -- translated by f2c (version 19940927).
   You must link the resulting object file with the libraries:
	-lf2c -lm   (in that order)
*/

#include "hnum_f2c.h"

namespace harlinn
{
    namespace numerics
    {
        namespace SuperLU
        {
            /* 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_ */

        };
    };
};