fixing some conflicts in utility files, another round of header guards

include/ck/utility/data_type.hpp

@@ -1075,23 +1075,6 @@ using uint8x64_t = typename vector_type<uint8_t, 64>::type;
 template <typename T>
 struct NumericLimits;
 
-template <typename T>
-struct NumericLimits
-{
-    __host__ __device__ static constexpr T Min() { return std::numeric_limits<T>::min(); }
-
-    __host__ __device__ static constexpr T Max() { return std::numeric_limits<T>::max(); }
-
-    __host__ __device__ static constexpr T Lowest() { return std::numeric_limits<T>::lowest(); }
-
-    __host__ __device__ static constexpr T QuietNaN()
-    {
-        return std::numeric_limits<T>::quiet_NaN();
-    }
-
-    __host__ __device__ static constexpr T Infinity() { return std::numeric_limits<T>::infinity(); }
-};
-
 template <>
 struct NumericLimits<int32_t>
 {

include/ck/utility/tuple_helper.hpp

@@ -5,7 +5,9 @@
 
 #include "functional4.hpp"
 #include "tuple.hpp"
+#ifndef CK_CODE_GEN_RTC
 #include "is_detected.hpp"
+#endif
 
 namespace ck {
 
@@ -157,13 +159,17 @@ __host__ __device__ constexpr auto TupleReduce(F&& f, const Tuple<Ts...>& tuple)
     }
 }
 
+#ifndef CK_CODE_GEN_RTC
 template <typename T>
 using is_tuple = decltype(std::declval<T&>().IsTuple());
+#endif
 
 template <typename... Ts>
 __host__ __device__ constexpr auto IsNestedTuple(const Tuple<Ts...>&)
 {
+#ifndef CK_CODE_GEN_RTC
     return (is_detected<is_tuple, Ts>::value || ...);
+#endif
 }
 
 template <index_t depth = 0, typename T>