Last change
on this file since 577 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:
800 bytes
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Rev | Line | |
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[444] | 1 | /* |
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| 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 | |
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| 14 | #include "rand48.h" |
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| 15 | |
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| 16 | double |
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| 17 | _erand48_r (struct _reent *r, |
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| 18 | unsigned short xseed[3]) |
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| 19 | { |
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| 20 | __dorand48(r, xseed); |
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| 21 | return ldexp((double) xseed[0], -48) + |
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| 22 | ldexp((double) xseed[1], -32) + |
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| 23 | ldexp((double) xseed[2], -16); |
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| 24 | } |
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| 25 | |
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| 26 | #ifndef _REENT_ONLY |
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| 27 | double |
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| 28 | erand48 (unsigned short xseed[3]) |
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| 29 | { |
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| 30 | return _erand48_r (_REENT, xseed); |
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| 31 | } |
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| 32 | #endif /* !_REENT_ONLY */ |
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