float point exception, waiting for debugging

src/layer.h

@@ -0,0 +1,22 @@
+/*
+ * CS 246 Final Project
+ * File: map.h
+ * Purpose: handles map functionality
+ */
+
+#ifndef __LAYER_H__
+#define __LAYER_H__
+#include "constants.h"
+#include "display.h"
+
+class layer {
+public:
+        const layer_num num;
+
+        layer(const layer_num ln): num{ln} {}
+
+        virtual void print() const = 0;
+        virtual void print(display &display) const = 0;
+};
+
+#endif