1 files changed, 2 insertions, 0 deletions

diff --git a/src/utils.h b/src/utils.h
index 021ca75..87402e6 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -1,4 +1,6 @@
 #define _swap(x, y) do { x ^= y; y ^= x; x ^= y; } while (0)
+#define _min(x, y) ((x) < (y) ? (x) : (y))
+#define _max(x, y) ((x) > (y) ? (x) : (y))
 
 _static int64_t factorial(int64_t);
 _static bool isperm(uint8_t *, int64_t);