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72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
/* GLIB - Library of useful routines for C programming
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "glib.h"
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static const guint g_primes[] =
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{
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11,
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19,
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37,
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73,
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109,
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163,
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251,
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367,
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557,
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823,
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1237,
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1861,
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2777,
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4177,
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6247,
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9371,
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14057,
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21089,
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31627,
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47431,
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71143,
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106721,
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160073,
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240101,
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360163,
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540217,
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810343,
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1215497,
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1823231,
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2734867,
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4102283,
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6153409,
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9230113,
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13845163,
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};
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static const guint g_nprimes = sizeof (g_primes) / sizeof (g_primes[0]);
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guint
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g_spaced_primes_closest (guint num)
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{
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gint i;
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for (i = 0; i < g_nprimes; i++)
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if (g_primes[i] > num)
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return g_primes[i];
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return g_primes[g_nprimes - 1];
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}
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