[libc-commits] [libc] [libc][math][c23] Add f16fmaf C23 math function (PR #95483)

[via libc-commits]

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@@ -272,10 +286,14 @@ class MPFRMatcher : public testing::Matcher<OutputType> {
 // types.
 template <Operation op, typename InputType, typename OutputType>
 constexpr bool is_valid_operation() {
-  constexpr bool IS_NARROWING_OP = op == Operation::Sqrt &&
-                                   cpp::is_floating_point_v<InputType> &&
-                                   cpp::is_floating_point_v<OutputType> &&
-                                   sizeof(OutputType) <= sizeof(InputType);
+  constexpr bool IS_NARROWING_OP =
+      (op == Operation::Sqrt && cpp::is_floating_point_v<InputType> &&
+       cpp::is_floating_point_v<OutputType> &&
+       sizeof(OutputType) <= sizeof(InputType)) ||
+      (op == Operation::Fma && internal::IsTernaryInput<InputType>::VALUE &&
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overmighty wrote:

Maybe we should just change this to check for operation ranges, like the code below does.

https://github.com/llvm/llvm-project/pull/95483