libcxx

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simd_cast.pass.cpp (1470B)


      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // UNSUPPORTED: c++98, c++03, c++11, c++14
     11 
     12 // <experimental/simd>
     13 //
     14 // [simd.casts]
     15 // template <class T, class U, class Abi> see below ex::simd_cast<(const
     16 // ex::simd<U, Abi>&);
     17 
     18 #include <experimental/simd>
     19 #include <cstdint>
     20 
     21 namespace ex = std::experimental::parallelism_v2;
     22 
     23 static_assert(
     24     std::is_same<decltype(ex::simd_cast<int32_t>(ex::native_simd<int32_t>())),
     25                  ex::native_simd<int32_t>>::value,
     26     "");
     27 
     28 static_assert(std::is_same<decltype(ex::simd_cast<int64_t>(
     29                                ex::fixed_size_simd<int32_t, 4>())),
     30                            ex::fixed_size_simd<int64_t, 4>>::value,
     31               "");
     32 
     33 static_assert(
     34     std::is_same<decltype(ex::simd_cast<ex::fixed_size_simd<int64_t, 1>>(
     35                      ex::simd<int32_t, ex::simd_abi::scalar>())),
     36                  ex::fixed_size_simd<int64_t, 1>>::value,
     37     "");
     38 
     39 static_assert(
     40     std::is_same<
     41         decltype(ex::simd_cast<ex::simd<int64_t, ex::simd_abi::scalar>>(
     42             ex::fixed_size_simd<int32_t, 1>())),
     43         ex::simd<int64_t, ex::simd_abi::scalar>>::value,
     44     "");
     45 
     46 int main() {}