bushiroad的博客

算术右移与逻辑右移的转换 用逻辑右移实现算术右移 //用逻辑右移来完成算术右移 int sra(int x, int k) { int xsrl = (unsigned) x >> k; int position_w_1_k = sizeof(int) << 3; position_w_1_k = position_w_1_k - 1 - k; ...

判断大小端存储 学习深入了解计算机原理课后的练习题 bool is_little_endian() { int a = 1; int *b = &a; int c = *b; if(c==a){ //xiaoduan return true; }else{ //daduan return false } } ...