feat(const_eval): impl. sqrt

CHANGELOG.md

@@ -48,6 +48,7 @@ Bottom level categories:
         - `saturate`
         - `sin`
         - `sinh`
+        - `sqrt`
 
 ## v0.19.0 (2024-01-17)
 

naga/src/proc/constant_evaluator.rs

@@ -856,6 +856,9 @@ impl<'a> ConstantEvaluator<'a> {
             crate::MathFunction::Sinh => {
                 component_wise_float!(self, span, [arg], |e| { Ok([e.sinh()]) })
             }
+            crate::MathFunction::Sqrt => {
+                component_wise_float!(self, span, [arg], |e| { Ok([e.sqrt()]) })
+            }
             fun => Err(ConstantEvaluatorError::NotImplemented(format!(
                 "{fun:?} built-in function"
             ))),