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| Rev | Author | Line No. | Line |
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| 6536 | serge | 1 | /* |
| 2 | * Copyright (c) 1993 Martin Birgmeier |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * You may redistribute unmodified or modified versions of this source |
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| 6 | * code provided that the above copyright notice and this and the |
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| 7 | * following conditions are retained. |
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| 8 | * |
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| 9 | * This software is provided ``as is'', and comes with no warranties |
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| 10 | * of any kind. I shall in no event be liable for anything that happens |
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| 11 | * to anyone/anything when using this software. |
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| 12 | */ |
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| 13 | |||
| 14 | #include "rand48.h" |
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| 15 | |||
| 16 | double |
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| 17 | _DEFUN (_erand48_r, (r, xseed), |
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| 18 | struct _reent *r _AND |
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| 19 | unsigned short xseed[3]) |
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| 20 | { |
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| 21 | __dorand48(r, xseed); |
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| 22 | return ldexp((double) xseed[0], -48) + |
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| 23 | ldexp((double) xseed[1], -32) + |
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| 24 | ldexp((double) xseed[2], -16); |
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| 25 | } |
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| 26 | |||
| 27 | #ifndef _REENT_ONLY |
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| 28 | double |
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| 29 | _DEFUN (erand48, (xseed), |
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| 30 | unsigned short xseed[3]) |
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| 31 | { |
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| 32 | return _erand48_r (_REENT, xseed); |
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| 33 | } |
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| 34 | #endif /* !_REENT_ONLY */ |