From 91e2ac1994442bb1da4ae56845f587aea8bf950d Mon Sep 17 00:00:00 2001
From: Evan Burkey <evan@burkey.co>
Date: Mon, 21 Mar 2022 14:32:31 -0700
Subject: [PATCH] add clamp_int

---
 include/lfmath.h | 1 +
 src/lfmath.c     | 9 +++++++++
 2 files changed, 10 insertions(+)

diff --git a/include/lfmath.h b/include/lfmath.h
index 56bf2d4..a87189c 100644
--- a/include/lfmath.h
+++ b/include/lfmath.h
@@ -3,6 +3,7 @@
 
 int max_int(int a, int b);
 int min_int(int a, int b);
+int clamp_int(int i, int low, int high);
 int binstr_to_int(const char *s);
 
 #endif // LIBFLINT_H_MATH
diff --git a/src/lfmath.c b/src/lfmath.c
index cea4835..a4f4414 100644
--- a/src/lfmath.c
+++ b/src/lfmath.c
@@ -16,6 +16,15 @@ int min_int(int a, int b) {
     return b;
 }
 
+int clamp_int(int i, int low, int high) {
+    if (i > high) {
+        return high;
+    } else if (i < low) {
+        return low;
+    }
+    return i;
+}
+
 int binstr_to_int(const char *s) {
     int n = 0, m = 1;
     for (int i = (int)strlen(s) - 1; i >= 0; --i) {