--- /dev/null
+#ifndef PPAM_LUT_H
+#define PPAM_LUT_H
+
+#include <stdio.h>
+
+// light, minimalist unit-testing "framework"
+
+#define LUT_ASSERT(condition) \
+ do { \
+ if ( !(condition) ) { \
+ printf("Failure in file %s at line %i\n",__FILE__,__LINE__); \
+ } \
+ } while (0)
+
+#endif