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4349 | Serge | 1 | /* sf_fabs.c -- float version of s_fabs.c. |
2 | * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. |
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3 | */ |
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4 | |||
5 | /* |
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6 | * ==================================================== |
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7 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
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8 | * |
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9 | * Developed at SunPro, a Sun Microsystems, Inc. business. |
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10 | * Permission to use, copy, modify, and distribute this |
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11 | * software is freely granted, provided that this notice |
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12 | * is preserved. |
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13 | * ==================================================== |
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14 | */ |
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15 | |||
16 | /* |
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17 | * fabsf(x) returns the absolute value of x. |
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18 | */ |
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19 | |||
20 | #include "fdlibm.h" |
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21 | |||
22 | #ifdef __STDC__ |
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23 | float fabsf(float x) |
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24 | #else |
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25 | float fabsf(x) |
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26 | float x; |
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27 | #endif |
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28 | { |
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29 | __uint32_t ix; |
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30 | GET_FLOAT_WORD(ix,x); |
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31 | SET_FLOAT_WORD(x,ix&0x7fffffff); |
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32 | return x; |
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33 | } |
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34 | |||
35 | #ifdef _DOUBLE_IS_32BITS |
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36 | |||
37 | #ifdef __STDC__ |
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38 | double fabs(double x) |
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39 | #else |
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40 | double fabs(x) |
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41 | double x; |
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42 | #endif |
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43 | { |
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44 | return (double) fabsf((float) x); |
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45 | } |
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46 | |||
47 | #endif /* defined(_DOUBLE_IS_32BITS) */ |