fix: add correct static_cast for fputil::getpload for bfloat16

krishna2803 · krishna2803 · commit 8ea93545572b · 2025-08-17T08:11:23.000+05:30
Signed-off-by: Krishna Pandey &lt;kpandey81930@gmail.com&gt;
diff --git a/libc/src/__support/FPUtil/BasicOperations.h b/libc/src/__support/FPUtil/BasicOperations.h
@@ -354,7 +354,10 @@ LIBC_INLINE cpp::enable_if_t<cpp::is_floating_point_v<T>, T> getpayload(T x) {
 
     return static_cast<T>(payload_dfloat);
   } else {
-    return static_cast<T>(payload);
+    if constexpr (cpp::is_same_v<T, bfloat16>)
+      return T(static_cast<int>(payload));
+    else
+      return static_cast<T>(payload);
   }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -354,7 +354,10 @@ LIBC_INLINE cpp::enable_if_t<cpp::is_floating_point_v<T>, T> getpayload(T x) {`
`354`	`354`
`355`	`355`	`return static_cast<T>(payload_dfloat);`
`356`	`356`	`} else {`
`357`		`- return static_cast<T>(payload);`
	`357`	`+ if constexpr (cpp::is_same_v<T, bfloat16>)`
	`358`	`+ return T(static_cast<int>(payload));`
	`359`	`+ else`
	`360`	`+ return static_cast<T>(payload);`
`358`	`361`	`}`
`359`	`362`	`}`
`360`	`363`