[cuda] Simplify the sinc function a bit. (#146774)

dcci · pytorchmergebot · commit 2a55311773bf · 2025-02-09T20:09:34.000Z
`else` after `return` can be removed & the indentation can be reduced, for readability. Pull Request resolved: #146774 Approved by: https://github.com/malfet
diff --git a/aten/src/ATen/native/cuda/Math.cuh b/aten/src/ATen/native/cuda/Math.cuh
@@ -758,11 +758,10 @@ const auto sinc_string = jiterator_stringify(
   T sinc(T a) {
     if (a == T(0)) {
       return T(1);
-    } else {
-      constexpr T pi = T(3.14159265358979323846L);
-      T product = pi * a;
-      return std::sin(product) / product;
     }
+    constexpr T pi = T(3.14159265358979323846L);
+    T product = pi * a;
+    return std::sin(product) / product;
   }
 ); // sinc_string
 

Original file line number	Diff line number	Diff line change
`@@ -758,11 +758,10 @@ const auto sinc_string = jiterator_stringify(`
`758`	`758`	`T sinc(T a) {`
`759`	`759`	`if (a == T(0)) {`
`760`	`760`	`return T(1);`
`761`		`- } else {`
`762`		`- constexpr T pi = T(3.14159265358979323846L);`
`763`		`- T product = pi * a;`
`764`		`- return std::sin(product) / product;`
`765`	`761`	`}`
	`762`	`+ constexpr T pi = T(3.14159265358979323846L);`
	`763`	`+ T product = pi * a;`
	`764`	`+ return std::sin(product) / product;`
`766`	`765`	`}`
`767`	`766`	`); // sinc_string`
`768`	`767`