Very bad randomness

util/rand.c

@@ -0,0 +1,9 @@
+
+#include "rand.h"
+#include <stdlib.h>
+
+
+double rand_Double01() {
+	// Very bad implementation.
+	return ((double)rand()) / (double)RAND_MAX;
+}

util/rand.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// returns a double in the [0,1) range.
+double rand_Double01();
+
+#ifdef __cplusplus
+}
+#endif