📄 r_sign.c
字号:
#ifndef lintstatic char sccsid[] = "@(#)r_sign.c 1.1 92/07/30 SMI";#endif/* * Copyright (c) 1987 by Sun Microsystems, Inc. */#include <math.h>/* if y is negative but not -0 return -|y| */FLOATFUNCTIONTYPEr_sign(x, y) float *x, *y;{ union { float d; unsigned i; } klugex, klugey; klugex.d = *x; klugey.d = *y; if (klugey.i > 0x80000000) klugex.i |= 0x80000000; else klugex.i &= 0x7fffffff; RETURNFLOAT(klugex.d);}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -