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/* PR target/44606 */

/* { dg-do run } */

/* { dg-options "-O2" } */

#include <stdio.h>

extern void abort (void);

 typedef struct _PixelPacket {  unsigned char r, g, b; }

 PixelPacket;

#define ARRAYLEN(X) (sizeof(X)/sizeof(X[0]))

PixelPacket q[6];

#define COLS (ARRAYLEN(q) - 1)

PixelPacket p[2*COLS + 22];

#define Minify(POS, WEIGHT) do {        \

        total_r += (WEIGHT)*(p[POS].r); \

        total_g += (WEIGHT)*(p[POS].g); \

        total_b += (WEIGHT)*(p[POS].b); \

} while (0)

unsigned long columns = COLS;

int main(void)

{

        static const unsigned char answers[COLS] = { 31, 32, 34, 35, 36 };

        unsigned long x;

        for (x = 0; x < sizeof(p)/sizeof(p[0]); x++) {

                p[x].b = (x + 34) | 1;

        }

        for (x = 0; x < columns; x++) {

                double total_r = 0, total_g = 0, total_b = 0;

                double saved_r = 0, saved_g = 0, saved_b = 0;

                Minify(2*x +  0,  3.0);

                Minify(2*x +  1,  7.0);

                Minify(2*x +  2,  7.0);

                saved_r = total_r;

                saved_g = total_g;

                Minify(2*x + 11, 15.0);

                Minify(2*x + 12,  7.0);

                Minify(2*x + 18,  7.0);

                Minify(2*x + 19, 15.0);

                Minify(2*x + 20, 15.0);

                Minify(2*x + 21,  7.0);

                q[x].r = (unsigned char)(total_r/128.0 + 0.5);

                q[x].g = (unsigned char)(total_g/128.0 + 0.5);

                q[x].b = (unsigned char)(total_b/128.0 + 0.5);

                fprintf(stderr, "r:%f g:%f b:%f\n", saved_r, saved_g, saved_b);

        }

        for (x = 0; x < COLS; x++) {

                if (answers[x] != q[x].b)

                        abort();

        }

        return 0;

}