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-rw-r--r--wirish/wirish_math.cpp49
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+/*
+ * Modified by LeafLabs, LLC.
+ *
+ * Part of the Wiring project - http://wiring.org.co Copyright (c)
+ * 2004-06 Hernando Barragan Modified 13 August 2006, David A. Mellis
+ * for Arduino - http://www.arduino.cc/
+ *
+ * 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 <stdlib.h>
+#include <wirish/wirish_math.h>
+
+void randomSeed(unsigned int seed) {
+ if (seed != 0) {
+ srand(seed);
+ }
+}
+
+long random(long howbig) {
+ if (howbig == 0) {
+ return 0;
+ }
+
+ return rand() % howbig;
+}
+
+long random(long howsmall, long howbig) {
+ if (howsmall >= howbig) {
+ return howsmall;
+ }
+
+ long diff = howbig - howsmall;
+ return random(diff) + howsmall;
+}
+