1/* @(#)s_ilogb.c 5.1 93/09/24 */ 2/* 3 * ==================================================== 4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. 5 * 6 * Developed at SunPro, a Sun Microsystems, Inc. business. 7 * Permission to use, copy, modify, and distribute this 8 * software is freely granted, provided that this notice 9 * is preserved. 10 * ==================================================== 11 */ 12 13#ifndef lint
| 1/* @(#)s_ilogb.c 5.1 93/09/24 */ 2/* 3 * ==================================================== 4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. 5 * 6 * Developed at SunPro, a Sun Microsystems, Inc. business. 7 * Permission to use, copy, modify, and distribute this 8 * software is freely granted, provided that this notice 9 * is preserved. 10 * ==================================================== 11 */ 12 13#ifndef lint
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14static char rcsid[] = "$FreeBSD: head/lib/msun/src/s_ilogb.c 21673 1997-01-14 07:20:47Z jkh $";
| 14static char rcsid[] = "$FreeBSD: head/lib/msun/src/s_ilogb.c 22808 1997-02-16 18:26:31Z bde $";
|
15#endif 16 17/* ilogb(double x) 18 * return the binary exponent of non-zero x 19 * ilogb(0) = 0x80000001 20 * ilogb(inf/NaN) = 0x7fffffff (no signal is raised) 21 */ 22 23#include "math.h" 24#include "math_private.h" 25 26#ifdef __STDC__
| 15#endif 16 17/* ilogb(double x) 18 * return the binary exponent of non-zero x 19 * ilogb(0) = 0x80000001 20 * ilogb(inf/NaN) = 0x7fffffff (no signal is raised) 21 */ 22 23#include "math.h" 24#include "math_private.h" 25 26#ifdef __STDC__
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27 int ilogb(double x)
| 27 int __generic_ilogb(double x)
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28#else
| 28#else
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29 int ilogb(x)
| 29 int __generic_ilogb(x)
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30 double x; 31#endif 32{ 33 int32_t hx,lx,ix; 34 35 EXTRACT_WORDS(hx,lx,x); 36 hx &= 0x7fffffff; 37 if(hx<0x00100000) {
--- 13 unchanged lines hidden --- | 30 double x; 31#endif 32{ 33 int32_t hx,lx,ix; 34 35 EXTRACT_WORDS(hx,lx,x); 36 hx &= 0x7fffffff; 37 if(hx<0x00100000) {
--- 13 unchanged lines hidden --- |