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Remove dependency to bit_cast in tests #1255

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merged 1 commit into from
Feb 22, 2022
Merged

Remove dependency to bit_cast in tests #1255

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18 changes: 16 additions & 2 deletions test/tts/tts.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -904,10 +904,24 @@ ::tts::logger{}.check
#include <cstdint>
#include <type_traits>
#include <utility>
#if !defined(__cpp_lib_bit_cast)
# include <cstring>
#endif
namespace tts::detail
{
inline auto as_int(float a) noexcept { return std::bit_cast<std::int32_t>(a); }
inline auto as_int(double a) noexcept { return std::bit_cast<std::int64_t>(a); }
#if !defined(__cpp_lib_bit_cast)
template <class To, class From>
To bit_cast(const From& src) noexcept requires(sizeof(To) == sizeof(From))
{
To dst;
std::memcpy(&dst, &src, sizeof(To));
return dst;
}
#else
using std::bit_cast;
#endif
inline auto as_int(float a) noexcept { return bit_cast<std::int32_t>(a); }
inline auto as_int(double a) noexcept { return bit_cast<std::int64_t>(a); }
template<typename T> inline auto bitinteger(T a) noexcept
{
auto ia = as_int(a);
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