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libcxx/test/std/experimental/simd/simd.casts/simd_cast.pass.cpp

47 lines
1.4 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11, c++14
// <experimental/simd>
//
// [simd.casts]
// template <class T, class U, class Abi> see below ex::simd_cast<(const
// ex::simd<U, Abi>&);
#include <experimental/simd>
#include <cstdint>
namespace ex = std::experimental::parallelism_v2;
static_assert(
std::is_same<decltype(ex::simd_cast<int32_t>(ex::native_simd<int32_t>())),
ex::native_simd<int32_t>>::value,
"");
static_assert(std::is_same<decltype(ex::simd_cast<int64_t>(
ex::fixed_size_simd<int32_t, 4>())),
ex::fixed_size_simd<int64_t, 4>>::value,
"");
static_assert(
std::is_same<decltype(ex::simd_cast<ex::fixed_size_simd<int64_t, 1>>(
ex::simd<int32_t, ex::simd_abi::scalar>())),
ex::fixed_size_simd<int64_t, 1>>::value,
"");
static_assert(
std::is_same<
decltype(ex::simd_cast<ex::simd<int64_t, ex::simd_abi::scalar>>(
ex::fixed_size_simd<int32_t, 1>())),
ex::simd<int64_t, ex::simd_abi::scalar>>::value,
"");
int main() {}