| s_exp2.c (176074) | s_exp2.c (176231) |
|---|---|
| 1/*- 2 * Copyright (c) 2005 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 --- 11 unchanged lines hidden (view full) --- 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 27#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2005 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 --- 11 unchanged lines hidden (view full) --- 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 27#include <sys/cdefs.h> |
| 28__FBSDID("$FreeBSD: head/lib/msun/src/s_exp2.c 176074 2008-02-07 03:17:05Z bde $"); | 28__FBSDID("$FreeBSD: head/lib/msun/src/s_exp2.c 176231 2008-02-13 10:44:44Z bde $"); |
| 29 30#include <float.h> 31 32#include "math.h" 33#include "math_private.h" 34 35#define TBLBITS 8 36#define TBLSIZE (1 << TBLBITS) --- 309 unchanged lines hidden (view full) --- 346 347 /* Filter out exceptional cases. */ 348 GET_HIGH_WORD(hx,x); 349 ix = hx & 0x7fffffff; /* high word of |x| */ 350 if(ix >= 0x40900000) { /* |x| >= 1024 */ 351 if(ix >= 0x7ff00000) { 352 GET_LOW_WORD(lx,x); 353 if(((ix & 0xfffff) | lx) != 0 || (hx & 0x80000000) == 0) | 29 30#include <float.h> 31 32#include "math.h" 33#include "math_private.h" 34 35#define TBLBITS 8 36#define TBLSIZE (1 << TBLBITS) --- 309 unchanged lines hidden (view full) --- 346 347 /* Filter out exceptional cases. */ 348 GET_HIGH_WORD(hx,x); 349 ix = hx & 0x7fffffff; /* high word of |x| */ 350 if(ix >= 0x40900000) { /* |x| >= 1024 */ 351 if(ix >= 0x7ff00000) { 352 GET_LOW_WORD(lx,x); 353 if(((ix & 0xfffff) | lx) != 0 || (hx & 0x80000000) == 0) |
| 354 return (x); /* x is NaN or +Inf */ | 354 return (x + x); /* x is NaN or +Inf */ |
| 355 else 356 return (0.0); /* x is -Inf */ 357 } 358 if(x >= 0x1.0p10) 359 return (huge * huge); /* overflow */ 360 if(x <= -0x1.0ccp10) 361 return (twom1000 * twom1000); /* underflow */ 362 } else if (ix < 0x3c900000) { /* |x| < 0x1p-54 */ --- 34 unchanged lines hidden --- | 355 else 356 return (0.0); /* x is -Inf */ 357 } 358 if(x >= 0x1.0p10) 359 return (huge * huge); /* overflow */ 360 if(x <= -0x1.0ccp10) 361 return (twom1000 * twom1000); /* underflow */ 362 } else if (ix < 0x3c900000) { /* |x| < 0x1p-54 */ --- 34 unchanged lines hidden --- |