Last change
on this file since 466 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
739 bytes
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Line | |
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1 | |
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2 | /* @(#)z_isposf.c 1.0 98/08/13 */ |
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3 | /****************************************************************** |
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4 | * Positive value test |
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5 | * |
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6 | * Input: |
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7 | * x - floating point value |
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8 | * |
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9 | * Output: |
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10 | * An integer that indicates if the number is positive. |
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11 | * |
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12 | * Description: |
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13 | * This routine returns an integer that indicates if the number |
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14 | * passed in is positive (1) or negative (0). |
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15 | * |
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16 | *****************************************************************/ |
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17 | |
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18 | #include "fdlibm.h" |
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19 | #include "zmath.h" |
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20 | |
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21 | int isposf (float x) |
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22 | { |
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23 | __int32_t wx; |
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24 | |
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25 | GET_FLOAT_WORD (wx, x); |
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26 | |
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27 | if (wx & 0x80000000) |
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28 | return (0); |
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29 | else |
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30 | return (1); |
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31 | } |
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32 | |
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33 | #ifdef _DOUBLE_IS_32BITS |
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34 | |
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35 | int ispos (double x) |
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36 | { |
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37 | return isposf ((float) x); |
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38 | } |
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39 | |
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40 | #endif /* defined(_DOUBLE_IS_32BITS) */ |
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