ipiq: Add simple IPI latency measure sysctls (2)
[dragonfly.git] / lib / libm / src / s_finitef.c
CommitLineData
b34b60bc
JS
1/* s_finitef.c -- float version of s_finite.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
3 */
4
5/*
6 * ====================================================
7 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
8 *
9 * Developed at SunPro, a Sun Microsystems, Inc. business.
10 * Permission to use, copy, modify, and distribute this
11 * software is freely granted, provided that this notice
12 * is preserved.
13 * ====================================================
14 *
6ff43c94 15 * $FreeBSD: head/lib/msun/src/s_finitef.c 176451 2008-02-22 02:30:36Z das $
b34b60bc
JS
16 */
17
18/*
19 * finitef(x) returns 1 is x is finite, else 0;
20 * no branching!
21 */
22
6ff43c94 23#include "math.h"
b34b60bc
JS
24#include "math_private.h"
25
6ff43c94 26 int finitef(float x)
b34b60bc
JS
27{
28 int32_t ix;
29 GET_FLOAT_WORD(ix,x);
30 return (int)((u_int32_t)((ix&0x7fffffff)-0x7f800000)>>31);
31}