[clang] [HLSL] Add matrix support to atan2 (PR #194984)

[Deric C. via cfe-commits]

================
@@ -230,6 +230,41 @@ namespace hlsl {
     return fn((float4)V1, (float4)V2, (float4)V3);                             \
   }
 
+#define _DXC_COMPAT_BINARY_DOUBLE_MATRIX_OVERLOADS(fn)                         \
+  template <uint R, uint C>                                                    \
+  _DXC_DEPRECATED_64BIT_FN(fn)                                                 \
+  constexpr matrix<float, R, C> fn(matrix<double, R, C> y,                     \
+                                   matrix<double, R, C> x) {                   \
+    return fn((matrix<float, R, C>)y, (matrix<float, R, C>)x);                 \
+  }
+
+#define _DXC_COMPAT_BINARY_INTEGER_MATRIX_OVERLOADS(fn)                        \
+  template <uint R, uint C>                                                    \
+  _DXC_DEPRECATED_INT_FN(fn)                                                   \
+  constexpr matrix<float, R, C> fn(matrix<int, R, C> y, matrix<int, R, C> x) { \
+    return fn((matrix<float, R, C>)y, (matrix<float, R, C>)x);                 \
+  }                                                                            \
+                                                                               \
+  template <uint R, uint C>                                                    \
+  _DXC_DEPRECATED_INT_FN(fn)                                                   \
+  constexpr matrix<float, R, C> fn(matrix<uint, R, C> y,                       \
+                                   matrix<uint, R, C> x) {                     \
+    return fn((matrix<float, R, C>)y, (matrix<float, R, C>)x);                 \
+  }                                                                            \
+                                                                               \
+  template <uint R, uint C>                                                    \
+  _DXC_DEPRECATED_INT_FN(fn)                                                   \
+  constexpr matrix<float, R, C> fn(matrix<int64_t, R, C> y,                    \
+                                   matrix<int64_t, R, C> x) {                  \
+    return fn((matrix<float, R, C>)y, (matrix<float, R, C>)x);                 \
+  }                                                                            \
+                                                                               \
+  template <uint R, uint C>                                                    \
+  _DXC_DEPRECATED_INT_FN(fn)                                                   \
+  constexpr matrix<float, R, C> fn(matrix<uint64_t, R, C> y,                   \
+                                   matrix<uint64_t, R, C> x) {                 \
+    return fn((matrix<float, R, C>)y, (matrix<float, R, C>)x);                 \
+  }
----------------
Icohedron wrote:

nit: missing blank line before next section header
```suggestion
  }

```

https://github.com/llvm/llvm-project/pull/194984