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Last change
on this file was 780, checked in by bird, 22 years ago |
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Initial revision
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Property cvs2svn:cvs-rev
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1.1
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Property svn:eol-style
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native
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Property svn:executable
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*
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File size:
757 bytes
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| 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 <sys/cdefs.h>
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| 15 | __FBSDID("$FreeBSD: src/lib/libc/gen/erand48.c,v 1.2 2002/03/22 21:52:05 obrien Exp $");
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| 16 |
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| 17 | #include "rand48.h"
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| 18 |
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| 19 | double
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| 20 | erand48(unsigned short xseed[3])
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| 21 | {
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| 22 | _dorand48(xseed);
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| 23 | return ldexp((double) xseed[0], -48) +
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| 24 | ldexp((double) xseed[1], -32) +
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| 25 | ldexp((double) xseed[2], -16);
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| 26 | }
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