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# Mask __float128 types from CUDA compilers (LP: #1717257)

--- a/src/libstdc++-v3/include/std/type_traits
+++ b/src/libstdc++-v3/include/std/type_traits
@@ -341,7 +341,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     struct __is_floating_point_helper<long double>
     : public true_type { };
 
-#if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_FLOAT128)
+#if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_FLOAT128) && !defined(__CUDACC__)
   template<>
     struct __is_floating_point_helper<__float128>
     : public true_type { };
--- a/src/libstdc++-v3/include/bits/std_abs.h
+++ b/src/libstdc++-v3/include/bits/std_abs.h
@@ -97,7 +97,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   abs(__GLIBCXX_TYPE_INT_N_3 __x) { return __x >= 0 ? __x : -__x; }
 #endif
 
-#if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_FLOAT128)
+#if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_FLOAT128) && !defined(__CUDACC__)
   inline _GLIBCXX_CONSTEXPR
   __float128
   abs(__float128 __x)