added: math.ilog2

diff --git a/core/math/math.onyx b/core/math/math.onyx
index f6af60adff19e7129f37a1a9301101c50dd36a15..1ff7dc0557706c4353e4f040254b02bda2b6b4a2 100644 (file)
--- a/core/math/math.onyx
+++ b/core/math/math.onyx
@@ -235,6 +235,9 @@ log :: (a: $T, base: $R) -> T {
     return ~~(ln(cast(f32) a) / ln(cast(f32) base));
 }
 
+ilog2 :: (a: u64) -> u64 {
+    return 63 - wasm.clz_i64(a);
+}