Last change
on this file since 822 was
777,
checked in by meunier, 9 years ago
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- Ajout de quelques fonction dans la lib math
- Déplacement de certaines fonctions de stdlib vers string
|
File size:
662 bytes
|
Rev | Line | |
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[581] | 1 | /* |
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| 2 | * ==================================================== |
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| 3 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
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| 4 | * |
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| 5 | * Developed at SunPro, a Sun Microsystems, Inc. business. |
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| 6 | * Permission to use, copy, modify, and distribute this |
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| 7 | * software is freely granted, provided that this notice |
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| 8 | * is preserved. |
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| 9 | * ==================================================== |
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| 10 | */ |
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| 11 | |
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| 12 | /* Modified for GIET-VM static OS at UPMC, France 2015. |
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| 13 | */ |
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| 14 | |
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| 15 | /* |
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| 16 | * fabs(x) returns the absolute value of x. |
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| 17 | */ |
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| 18 | |
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| 19 | #include "../math.h" |
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| 20 | #include "math_private.h" |
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| 21 | |
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| 22 | double fabs(double x) |
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| 23 | { |
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[777] | 24 | uint32_t high; |
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[581] | 25 | GET_HIGH_WORD(high,x); |
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| 26 | SET_HIGH_WORD(x,high&0x7fffffff); |
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| 27 | return x; |
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| 28 | } |
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| 29 | |
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