Work around compiler parser bug affecting gcc13/nvcc 12.6

NVIDIA · Nov 4, 2024 · e96d057 · e96d057
1 parent f60fac1
commit e96d057
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/include/matx/core/utils.h b/include/matx/core/utils.h
@@ -84,7 +84,9 @@ bool SizesMatch(const Op1 &op1, const Op2 &op2) {
 
 template <typename T1, typename T2, typename T3>
 __MATX_HOST__ __MATX_DEVICE__ __MATX_INLINE__ auto madd( const T1 &x, const T2 &y, const T3 &z) {
-  using T4 = decltype(x*y+z); 
+  // CUDA 12.6 with gcc 13 is reporting a parsing bug with the expression below. Use an alternative form.
+  // using T4 = decltype(x*y+z); 
+  using T4 = std::invoke_result_t<decltype(std::plus<>{}), decltype(std::multiplies<>{}(x, y)), decltype(z)>;
   if constexpr (is_complex_v<T4> && !is_complex_half_v<T4>) {
 
     using value_type = typename T4::value_type;