Add benchmarks, change project structure

test/include/BH/Unit.h

@@ -0,0 +1,53 @@
+#ifndef BH_UNIT_H
+#define BH_UNIT_H
+
+#include <stdio.h>
+#include <math.h>
+
+typedef int (*BH_UnitCallback)(void);
+
+#define BH_VERIFY(e) \
+    do { \
+        if (!(e)) { \
+            printf("%s:%d\t%s\n", __FILE__, __LINE__, #e); \
+            return -1; \
+        } \
+    } while(0)
+
+
+#define BH_FAIL(msg) \
+    do { \
+        printf("%s:%d\t%s\n", __FILE__, __LINE__, msg); \
+        return -1; \
+    } while(0)
+
+
+#define BH_VERIFY_DELTA(x, y, e) \
+    do { \
+        double BH_VERIFY_DELTA = (x)-(y); \
+        if (BH_VERIFY_DELTA < 0.0) \
+            BH_VERIFY_DELTA = -BH_VERIFY_DELTA; \
+        if (BH_VERIFY_DELTA > (e)) { \
+            printf("%s:%d\t%s (differs by %f)\n", \
+                   __FILE__, __LINE__, #x " == " #y, BH_VERIFY_DELTA); \
+            return -1; \
+        } \
+    } while(0)
+
+
+#define BH_UNIT_TEST(name) \
+    static int unit##name(void)
+
+
+#define BH_UNIT_ADD(name) \
+    BH_UnitAdd(#name, unit##name)
+
+
+void BH_UnitAdd(const char *name,
+                BH_UnitCallback cb);
+
+
+int BH_UnitRun(void);
+
+
+#endif /* BH_UNIT_H */