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36 lines
1.0 KiB
36 lines
1.0 KiB
11 years ago
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor Boston, MA 02110-1301, USA
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*/
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#include "main.h"
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#include "bitmap.h"
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int bitmap_compare(bitmap *a, bitmap *b)
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{
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uint16_t row = 0;
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uint16_t bit = 0;
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size_t cnt = 0;
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for (row = 0; row < 16; row++) {
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bit = 1 << 15;
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while (bit) {
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cnt += !!(((*a)[row] & bit) ^ ((*b)[row] & bit));
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bit >>= 1;
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}
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}
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return cnt;
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}
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