Add missing math.rs

2021-04-26 12:47:05 +08:00 · 2021-04-26 12:47:05 +08:00 · e9899ac610
commit e9899ac610
parent 040e3bfc2d
1 changed files with 7 additions and 0 deletions
--- a/src/math.rs
+++ b/src/math.rs
@ -0,0 +1,7 @@
+pub fn div_up(v: usize, divisor: usize) -> usize {
+    v / divisor + (v % divisor != 0) as usize
+}
+
+pub fn div_down(v: usize, divisor: usize) -> usize {
+    v / divisor
+}