1 files changed, 11 insertions, 0 deletions
diff --git a/src/utils/utils.h b/src/utils/utils.h
new file mode 100644
index 0000000..f1a340b
--- /dev/null
+++ b/src/utils/utils.h
@@ -0,0 +1,11 @@
+#ifndef __JIN_UTILS_H
+#define __JIN_UTILS_H
+
+#define min(a,b)                (((a) < (b)) ? (a) : (b)) 
+#define max(a,b)                (((a) > (b)) ? (a) : (b)) 
+#define clamp(a, mi,ma)            min(max(a,mi),ma)       
+
+#define within(a,min,max)        (a >= min && a <= max)
+#define without(a,min,max)        (a < min || a > max)
+
+#endif
+\ No newline at end of file