Two star programming
A few weeks ago Linus Torvalds answered some questions on slashdot. All his responses[……]
A few weeks ago Linus Torvalds answered some questions on slashdot. All his responses[……]
double sqrt_x(double x) { double x0, xn, xn1, diff; double pricision = 1e-10; x0 = x; *((char *)&x0 + 7) &= 0x7f; // x0[......]
最近自己实现了math.h中的一些函数, 目的还是为了熟悉一些原理性的知识, 虽然很多函数都有直接对应的硬件指令了…
#define LLMAX 0x7FFFFFFFFFFFFFFFLL #define LLMIN 0X8000000000000000LL typedef union[......]