| s_isnan.c (133147) | s_isnan.c (209110) |
|---|---|
| 1/*- 2 * Copyright (c) 2004 David Schultz <das@FreeBSD.ORG> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * | 1/*- 2 * Copyright (c) 2004 David Schultz <das@FreeBSD.ORG> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * |
| 26 * $FreeBSD: head/lib/msun/src/s_isnan.c 133147 2004-08-05 01:46:11Z das $ | 26 * $FreeBSD: head/lib/msun/src/s_isnan.c 209110 2010-06-12 17:32:05Z das $ |
| 27 */ 28 29#include <math.h> 30 31#include "fpmath.h" 32 33/* Provided by libc */ 34#if 0 35int 36isnan(double d) 37{ 38 union IEEEd2bits u; 39 40 u.d = d; 41 return (u.bits.exp == 2047 && (u.bits.manl != 0 || u.bits.manh != 0)); 42} 43#endif 44 45int | 27 */ 28 29#include <math.h> 30 31#include "fpmath.h" 32 33/* Provided by libc */ 34#if 0 35int 36isnan(double d) 37{ 38 union IEEEd2bits u; 39 40 u.d = d; 41 return (u.bits.exp == 2047 && (u.bits.manl != 0 || u.bits.manh != 0)); 42} 43#endif 44 45int |
| 46isnanf(float f) | 46__isnanf(float f) |
| 47{ 48 union IEEEf2bits u; 49 50 u.f = f; 51 return (u.bits.exp == 255 && u.bits.man != 0); 52} 53 54int 55__isnanl(long double e) 56{ 57 union IEEEl2bits u; 58 59 u.e = e; 60 mask_nbit_l(u); 61 return (u.bits.exp == 32767 && (u.bits.manl != 0 || u.bits.manh != 0)); 62} | 47{ 48 union IEEEf2bits u; 49 50 u.f = f; 51 return (u.bits.exp == 255 && u.bits.man != 0); 52} 53 54int 55__isnanl(long double e) 56{ 57 union IEEEl2bits u; 58 59 u.e = e; 60 mask_nbit_l(u); 61 return (u.bits.exp == 32767 && (u.bits.manl != 0 || u.bits.manh != 0)); 62} |
| 63 64__weak_reference(__isnanf, isnanf); |
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