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[9] | 1 | /*
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| 2 | * (c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
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| 3 | * See the copyright notice in the ACK home directory, in the file "Copyright".
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| 4 | *
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| 5 | * Author: Hans van Eck
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| 6 | */
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| 7 | /* $Header: /cvsup/minix/src/lib/math/fmod.c,v 1.1.1.1 2005/04/21 14:56:26 beng Exp $ */
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| 8 |
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| 9 | #include <math.h>
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| 10 | #include <errno.h>
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| 11 |
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| 12 | double
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| 13 | fmod(double x, double y)
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| 14 | {
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| 15 | long i;
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| 16 | double val;
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| 17 | double frac;
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| 18 |
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| 19 | if (y == 0) {
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| 20 | errno = EDOM;
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| 21 | return 0;
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| 22 | }
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| 23 | frac = modf( x / y, &val);
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| 24 |
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| 25 | return frac * y;
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| 26 |
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| 27 | /*
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| 28 | val = x / y;
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| 29 | if (val > LONG_MIN && val < LONG_MAX) {
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| 30 | i = val;
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| 31 | return x - i * y;
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| 32 | }
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| 33 | */
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| 34 | }
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