摘要：
收集在各个开源项目中遇到的经典的位运算代码：OPENCV:/* min & max without jumps */#define CV_IMIN(a, b) ((a) ^ (((a)^(b)) & (((a) < (b)) - 1)))#define CV_IMAX(a, b) ((a) ^ (((a)^(b)) & (((a) > (b)) - 1)))/* absolute value without jumps */#define CV_IABS(a) (((a) ^ ((a) < 0 ? -1 : 0)) - ((a) < 0 ? -1 阅读全文
posted @ 2012-05-04 14:10
BlueCode
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