1 files changed, 13 insertions, 0 deletions
diff --git a/lib/PenroseRand.c b/lib/PenroseRand.c
new file mode 100644
index 0000000..98f396e
--- /dev/null
+++ b/lib/PenroseRand.c
@@ -0,0 +1,13 @@
+#include "PenroseRand.h"
+
+float rrand(int *seed)
+{
+    int i = ((*seed = *seed * 1103515245 + 12345)>>16) & 077777;
+    return((float)i/16384. - 1.);
+}
+
+float prand(int *seed)
+{
+    int i = ((*seed = *seed * 1103515245 + 12345)>>16) & 077777;
+    return((float)i/32768.);
+}