Merge pull request #356 from seberg:complex-fixup-assert

The ml_dtypes Authors · The ml_dtypes Authors · commit 13f3ec1e320a · 2026-02-05T09:53:55.000-08:00
PiperOrigin-RevId: 865993892
diff --git a/ml_dtypes/_src/custom_complex.h b/ml_dtypes/_src/custom_complex.h
@@ -714,7 +714,7 @@ void NPyCCast(void* from_void, void* to_void, npy_intp n, void* fromarr,
       auto via = static_cast<float>(from[i]);
       to[i] = static_cast<typename TypeDescriptor<To>::T>(via);
     } else {
-      static_assert(0);
+      static_assert(is_complex_v<From>);  // template dependent, always false
     }
   }
 }

Original file line number	Diff line number	Diff line change
`@@ -714,7 +714,7 @@ void NPyCCast(void* from_void, void* to_void, npy_intp n, void* fromarr,`
`714`	`714`	`auto via = static_cast<float>(from[i]);`
`715`	`715`	`to[i] = static_cast<typename TypeDescriptor<To>::T>(via);`
`716`	`716`	`} else {`
`717`		`- static_assert(0);`
	`717`	`+ static_assert(is_complex_v<From>); // template dependent, always false`
`718`	`718`	`}`
`719`	`719`	`}`
`720`	`720`	`}`