Add a comment to casting in ErfFunctor implementation

antonwolfy · antonwolfy · commit cd3c5d5211a3 · 2025-09-16T14:41:19.000+02:00
diff --git a/dpnp/backend/kernels/elementwise_functions/erf.hpp b/dpnp/backend/kernels/elementwise_functions/erf.hpp
@@ -47,6 +47,7 @@ struct ErfFunctor
     {
         if constexpr (std::is_same_v<argT, sycl::half> &&
                       std::is_same_v<Tp, float>) {
+            // cast sycl::half to float for accuracy reasons
             return sycl::erf(float(x));
         }
         else {

Original file line number	Diff line number	Diff line change
`@@ -47,6 +47,7 @@ struct ErfFunctor`
`47`	`47`	`{`
`48`	`48`	`if constexpr (std::is_same_v<argT, sycl::half> &&`
`49`	`49`	`std::is_same_v<Tp, float>) {`
	`50`	`+ // cast sycl::half to float for accuracy reasons`
`50`	`51`	`return sycl::erf(float(x));`
`51`	`52`	`}`
`52`	`53`	`else {`