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-rw-r--r--src/common.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/common.h b/src/common.h
new file mode 100644
index 0000000..7395adb
--- /dev/null
+++ b/src/common.h
@@ -0,0 +1,2 @@
+#define MIN(x, y) ((x) <= (y) ? (x) : (y))
+#define MAX(x, y) ((x) >= (y) ? (x) : (y))