@@ -799,15 +799,15 @@ prev(poly_t *poly) {
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unsigned long fulllength = poly->length + ofs;
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bmp_t accu;
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if(ofs)
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if(ofs) {
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/* removable optimisation */
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if(poly->length < (unsigned long) BMP_BIT) {
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*poly->bitmap = rev(*poly->bitmap >> ofs, (int) poly->length) << ofs;
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return;
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}
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/* claim remaining bits of last word (as we use public function pshift()) */
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poly->length = fulllength;
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}
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/* claim remaining bits of last word (as we use public function pshift()) */
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poly->length = fulllength;
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/* reverse and swap words in the array, leaving it right-justified */
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while(leftidx < rightidx) {
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