Fix compilation of math functions on Windows

src/include/migraphx/float_equal.hpp

@@ -43,7 +43,11 @@ struct float_equal_fn
     template <class T, MIGRAPHX_REQUIRES(is_floating_point<T>{})>
     static bool apply(T x, T y)
     {
-        return std::isfinite(x) and std::isfinite(y) and
+        // The standard library from MSVC does not implement std::isfinite() for integer
+        // types - no additional overloads are provided. According to the documentation,
+        // integer types should be treaded as doubles.
+        // Refer to https://en.cppreference.com/w/cpp/numeric/math/isfinite for more information.
+        return std::isfinite(static_cast<double>(x)) and std::isfinite(static_cast<double>(y)) and
                std::nextafter(x, std::numeric_limits<T>::lowest()) <= y and
                std::nextafter(x, std::numeric_limits<T>::max()) >= y;
     }

src/simplify_qdq.cpp

@@ -214,10 +214,10 @@ bool compare_literals(instruction_ref ins1, instruction_ref ins2)
                         l1.end(),
                         [&](auto v) {
                             return ((float_equal(v, l1.front())) or
-                                    (std::isinf(l1.front()) and std::isinf(v)));
+                                    (std::isinf(static_cast<double>(l1.front())) and std::isinf(static_cast<double>(v))));
                         }) and
             std::all_of(l2.begin(), l2.end(), [&](auto v) {
-                return ((float_equal(v, l1.front())) or (std::isinf(l1.front()) and std::isinf(v)));
+                return ((float_equal(v, l1.front())) or (std::isinf(static_cast<double>(l1.front())) and std::isinf(static_cast<double>(v))));
             });
     });
 

src/targets/gpu/device/include/migraphx/gpu/device/float_equal.hpp

@@ -39,7 +39,11 @@ using common_type = typename std::common_type<Ts...>::type;
 template <class T, MIGRAPHX_REQUIRES(is_floating_point<T>{})>
 __device__ bool float_equal_device(T x, T y)
 {
-    return std::isfinite(x) and std::isfinite(y) and
+        // The standard library from MSVC does not implement std::isfinite() for integer
+        // types - no additional overloads are provided. According to the documentation,
+        // integer types should be treaded as doubles.
+        // Refer to https://en.cppreference.com/w/cpp/numeric/math/isfinite for more information.
+        return std::isfinite(static_cast<double>(x)) and std::isfinite(static_cast<double>(y)) and
            std::nextafter(x, std::numeric_limits<T>::lowest()) <= y and
            std::nextafter(x, std::numeric_limits<T>::max()) >= y;
 }