#include "cv.h"

#include <assert.h>

#include <unistd.h>

#include <stdio.h>

#include <stdlib.h>

int main(int argc, char **argv) {

        void *mat1data;

        size_t mat1size;

        CvMat mat1;

        CvMat *mat2v, *mat2s;

        int algo = CV_INTER_LINEAR;

        int mat1width = 4, mat2width = 8;

        int mat1height = 4, mat2height = 8;

        int mat1format = CV_8UC1, mat2format = CV_8UC1;

        int do_random = 0;

        int diffs = 0;

        mat2v = cvCreateMat(mat2height, mat2width, mat2format);

        mat2s = cvCreateMat(mat2height, mat2width, mat2format);

        mat1size = mat1width * mat1height * (1 << (CV_MAT_DEPTH(mat1format) >> 1));

        mat1data = malloc(mat1size);

        memcpy(mat1data, "\xe0 \x1f\x00\x05)\x05\x00!\xa3" "e\x00" "acY\x00", mat1size);

        mat1 = cvMat(mat1height, mat1width, mat1format, mat1data);

        cvUseOptimized(true);

        cvResize(&mat1, mat2v, algo);

        cvUseOptimized(false);

        cvResize(&mat1, mat2s, algo);

        diffs = 0;

        for (int i = 0; i < mat2width*mat2height; i++) {

                printf("ptr[%d]: %4d vs. %4d", i, mat2s->data.ptr[i], mat2v->data.ptr[i]);

                if (mat2s->data.ptr[i] != mat2v->data.ptr[i]) {        \

                        printf(" ...NO\n");

                        diffs++;

                }

                else printf("\n");

        }

        printf("--\n");

        if (diffs)

          printf("%d mismatches FOUND!\n", diffs);

        else printf("No mismatches found.\n");

}