forked from tTh/FloatImg
useless comments
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@ -15,6 +15,10 @@
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extern int verbosity; /* must be declared around main() */
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/* ---------------------------------------------------------------- */
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/*
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* A + B -> D
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* why is this func so slow ?
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*/
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int fimg_add(FloatImg *a, FloatImg *b, FloatImg *d)
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{
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int idx, nbiter;
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@ -57,6 +61,9 @@ if (3 != a->type || 3 != b->type || 3 != d->type) {
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nbiter = a->width * a->height;
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/* maybe we can speedup this loop for
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* avoiding the cache strashing ?
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*/
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for (idx=0; idx<nbiter; idx++) {
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d->R[idx] = fabs(a->R[idx] - b->R[idx]);
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d->G[idx] = fabs(a->G[idx] - b->G[idx]);
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@ -41,6 +41,8 @@ for (y=0; y<h; y++) {
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r = (float)*src++;
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g = (float)*src++;
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b = (float)*src++;
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/* may be, here, we can speed up the job */
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fimg_add_rgb(d, xx, yy, r, g, b);
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}
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}
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