1 files changed, 75 insertions, 0 deletions
diff --git a/3rdparty/openpgm-svn-r1085/pgm/math.c b/3rdparty/openpgm-svn-r1085/pgm/math.c
new file mode 100644
index 0000000..c2a1b4e
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+++ b/3rdparty/openpgm-svn-r1085/pgm/math.c
@@ -0,0 +1,75 @@
+/* vim:ts=8:sts=8:sw=4:noai:noexpandtab
+ *
+ * portable math.
+ *
+ * Copyright (c) 2010 Miru Limited.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <impl/framework.h>
+
+
+//#define MATH_DEBUG
+
+
+static const unsigned primes[] =
+{
+	11,
+	19,
+	37,
+	73,
+	109,
+	163,
+	251,
+	367,
+	557,
+	823,
+	1237,
+	1861,
+	2777,
+	4177,
+	6247,
+	9371,
+	14057,
+	21089,
+	31627,
+	47431,
+	71143,
+	106721,
+	160073,
+	240101,
+	360163,
+	540217,
+	810343,
+	1215497,
+	1823231,
+	2734867,
+	4102283,
+	6153409,
+	9230113,
+	13845163,
+};
+
+unsigned
+pgm_spaced_primes_closest (unsigned num)
+{
+	for (unsigned i = 0; i < PGM_N_ELEMENTS(primes); i++)
+		if (primes[i] > num)
+			return primes[i];
+	return primes[PGM_N_ELEMENTS(primes) - 1];
+}
+
+/* eof */