min/max/abs

ethereum · Apr 20, 2021 · 7beb1c0 · 7beb1c0
1 parent 33435e8
commit 7beb1c0
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/stdlib/utils.sol b/stdlib/utils.sol
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: Apache-2.0
+
+function min<T>(T a, T b) pure internal returns (T ret) {
+  ret = (a < b) ? a : b;
+}
+
+function max<T>(T a, T b) pure internal returns (T ret) {
+  ret = (a > b) ? a : b;
+}
+
+function abs<T: T.isSigned>(T a) pure internal returns (T ret) {
+  ret = (a < 0) ? -a : a;
+}