1 files changed, 9 insertions, 0 deletions
diff --git a/maths.h b/maths.h
new file mode 100644
index 0000000..b446c9a
--- /dev/null
+++ b/maths.h
@@ -0,0 +1,9 @@
+#ifndef maths_h
+#define maths_h
+
+#define mini(a_, b_) ((a_) < (b_) ? (a_) : (b_))
+#define maxi(a_, b_) ((a_) > (b_) ? (a_) : (b_))
+#define sign(n_) ((n_ < 0) ? -1 : 1)
+#define clamp(v_, min_, max_) (maxi(min_, mini(max_, v_)))
+
+#endif