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| Rev | Author | Line No. | Line |
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| 3362 | Serge | 1 | |
| 2 | /* |
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| 3 | * ==================================================== |
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| 4 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
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| 5 | * |
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| 6 | * Developed at SunPro, a Sun Microsystems, Inc. business. |
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| 7 | * Permission to use, copy, modify, and distribute this |
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| 8 | * software is freely granted, provided that this notice |
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| 9 | * is preserved. |
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| 10 | * ==================================================== |
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| 11 | */ |
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| 12 | |||
| 13 | |||
| 14 | * finite(x) returns 1 is x is finite, else 0; |
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| 15 | * no branching! |
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| 16 | */ |
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| 17 | |||
| 18 | |||
| 19 | |||
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| 22 | |||
| 23 | int finite(double x) |
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| 24 | #else |
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| 25 | int finite(x) |
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| 26 | double x; |
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| 27 | #endif |
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| 28 | { |
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| 29 | __int32_t hx; |
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| 30 | GET_HIGH_WORD(hx,x); |
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| 31 | return (int)((__uint32_t)((hx&0x7fffffff)-0x7ff00000)>>31); |
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| 32 | } |
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| 33 | |||
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