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/***************************************************************************
* Copyright (c) Johan Mabille, Sylvain Corlay, Wolf Vollprecht and *
* Martin Renou *
* Copyright (c) QuantStack *
* Copyright (c) Serge Guelton *
* *
* Distributed under the terms of the BSD 3-Clause License. *
* *
* The full license is in the file LICENSE, distributed with this software. *
****************************************************************************/
#include "xsimd/xsimd.hpp"
#ifndef XSIMD_NO_SUPPORTED_ARCHITECTURE
#include "test_utils.hpp"
#if !XSIMD_WITH_NEON || XSIMD_WITH_NEON64
namespace detail
{
template <class T_out, class T_in>
inline typename std::enable_if<std::is_unsigned<T_in>::value && std::is_integral<T_out>::value, bool>::type
is_convertible(T_in value)
{
return static_cast<uint64_t>(value) <= static_cast<uint64_t>(std::numeric_limits<T_out>::max());
}
template <class T_out, class T_in>
inline typename std::enable_if<std::is_integral<T_in>::value && std::is_signed<T_in>::value && std::is_integral<T_out>::value && std::is_signed<T_out>::value, bool>::type
is_convertible(T_in value)
{
int64_t signed_value = static_cast<int64_t>(value);
return signed_value <= static_cast<int64_t>(std::numeric_limits<T_out>::max()) && signed_value >= static_cast<int64_t>(std::numeric_limits<T_out>::lowest());
}
template <class T_out, class T_in>
inline typename std::enable_if<std::is_integral<T_in>::value && std::is_signed<T_in>::value && std::is_unsigned<T_out>::value, bool>::type
is_convertible(T_in value)
{
return value >= 0 && is_convertible<T_out>(static_cast<uint64_t>(value));
}
template <class T_out, class T_in>
inline typename std::enable_if<std::is_floating_point<T_in>::value && std::is_integral<T_out>::value, bool>::type
is_convertible(T_in value)
{
return value <= static_cast<T_in>(std::numeric_limits<T_out>::max()) && value >= static_cast<T_in>(std::numeric_limits<T_out>::lowest());
}
template <class T_out, class T_in>
inline typename std::enable_if<std::is_floating_point<T_out>::value, bool>::type
is_convertible(T_in)
{
return true;
}
template <typename Arch, typename From, typename To>
using uses_fast_cast = std::is_same<xsimd::kernel::detail::conversion_type<Arch, From, To>,
xsimd::kernel::detail::with_fast_conversion>;
}
template <class CP>
struct batch_cast_test
{
static constexpr size_t N = CP::size;
static constexpr size_t A = CP::alignment;
using int8_batch = xsimd::batch<int8_t>;
using uint8_batch = xsimd::batch<uint8_t>;
using int16_batch = xsimd::batch<int16_t>;
using uint16_batch = xsimd::batch<uint16_t>;
using int32_batch = xsimd::batch<int32_t>;
using uint32_batch = xsimd::batch<uint32_t>;
using int64_batch = xsimd::batch<int64_t>;
using uint64_batch = xsimd::batch<uint64_t>;
using float_batch = xsimd::batch<float>;
using double_batch = xsimd::batch<double>;
std::vector<uint64_t> int_test_values;
std::vector<float> float_test_values;
std::vector<double> double_test_values;
batch_cast_test()
{
int_test_values = {
0,
0x01,
0x7f,
0x80,
0xff,
0x0100,
0x7fff,
0x8000,
0xffff,
0x00010000,
0x7fffffff,
0x80000000,
0xffffffff,
0x0000000100000000,
0x7fffffffffffffff,
0x8000000000000000,
0xffffffffffffffff
};
float_test_values = {
0.0f,
1.0f,
-1.0f,
127.0f,
128.0f,
-128.0f,
255.0f,
256.0f,
-256.0f,
32767.0f,
32768.0f,
-32768.0f,
65535.0f,
65536.0f,
-65536.0f,
2147483647.0f,
2147483648.0f,
-2147483648.0f,
4294967167.0f
};
double_test_values = {
0.0,
1.0,
-1.0,
127.0,
128.0,
-128.0,
255.0,
256.0,
-256.0,
32767.0,
32768.0,
-32768.0,
65535.0,
65536.0,
-65536.0,
2147483647.0,
2147483648.0,
-2147483648.0,
4294967295.0,
4294967296.0,
-4294967296.0,
9223372036854775807.0,
9223372036854775808.0,
-9223372036854775808.0,
18446744073709550591.0
};
}
void test_bool_cast() const
{
test_bool_cast_impl<float_batch, int32_batch>("batch bool cast float -> int32");
test_bool_cast_impl<float_batch, uint32_batch>("batch bool cast float -> uint32");
test_bool_cast_impl<int32_batch, float_batch>("batch bool cast int32 -> float");
test_bool_cast_impl<uint32_batch, float_batch>("batch bool cast uint32 -> float");
test_bool_cast_impl<float_batch, float_batch>("batch bool cast float -> float");
}
void test_cast() const
{
for (const auto& test_value : int_test_values)
{
test_cast_impl<int8_batch, int8_batch>(test_value, "batch cast int8 -> int8");
test_cast_impl<int8_batch, uint8_batch>(test_value, "batch cast int8 -> uint8");
test_cast_impl<uint8_batch, int8_batch>(test_value, "batch cast uint8 -> int8");
test_cast_impl<uint8_batch, uint8_batch>(test_value, "batch cast uint8 -> uint8");
test_cast_impl<int16_batch, int16_batch>(test_value, "batch cast int16 -> int16");
test_cast_impl<int16_batch, uint16_batch>(test_value, "batch cast int16 -> uint16");
test_cast_impl<uint16_batch, int16_batch>(test_value, "batch cast uint16 -> int16");
test_cast_impl<uint16_batch, uint16_batch>(test_value, "batch cast uint16 -> uint16");
test_cast_impl<int32_batch, int32_batch>(test_value, "batch cast int32 -> int32");
test_cast_impl<int32_batch, uint32_batch>(test_value, "batch cast int32 -> uint32");
test_cast_impl<int32_batch, float_batch>(test_value, "batch cast int32 -> float");
test_cast_impl<uint32_batch, int32_batch>(test_value, "batch cast uint32 -> int32");
test_cast_impl<uint32_batch, uint32_batch>(test_value, "batch cast uint32 -> uint32");
test_cast_impl<uint32_batch, float_batch>(test_value, "batch cast uint32 -> float");
test_cast_impl<int64_batch, int64_batch>(test_value, "batch cast int64 -> int64");
test_cast_impl<int64_batch, uint64_batch>(test_value, "batch cast int64 -> uint64");
test_cast_impl<int64_batch, double_batch>(test_value, "batch cast int64 -> double");
test_cast_impl<uint64_batch, int64_batch>(test_value, "batch cast uint64 -> int64");
test_cast_impl<uint64_batch, uint64_batch>(test_value, "batch cast uint64 -> uint64");
test_cast_impl<uint64_batch, double_batch>(test_value, "batch cast uint64 -> double");
}
for (const auto& test_value : float_test_values)
{
test_cast_impl<float_batch, int32_batch>(test_value, "batch cast float -> int32");
test_cast_impl<float_batch, uint32_batch>(test_value, "batch cast float -> uint32");
test_cast_impl<float_batch, float_batch>(test_value, "batch cast float -> float");
}
for (const auto& test_value : double_test_values)
{
test_cast_impl<double_batch, int64_batch>(test_value, "batch cast double -> int64");
test_cast_impl<double_batch, uint64_batch>(test_value, "batch cast double -> uint64");
test_cast_impl<double_batch, double_batch>(test_value, "batch cast double -> double");
}
}
#if 0 && XSIMD_X86_INSTR_SET >= XSIMD_X86_AVX_VERSION
template <size_t Align = A>
typename std::enable_if<Align >= 32, void>::type test_cast_sizeshift1() const
{
for (const auto& test_value : int_test_values)
{
test_cast_impl<int8_batch, int16_batch>(test_value, "batch cast int8 -> int16");
test_cast_impl<int8_batch, uint16_batch>(test_value, "batch cast int8 -> uint16");
test_cast_impl<uint8_batch, int16_batch>(test_value, "batch cast uint8 -> int16");
test_cast_impl<uint8_batch, uint16_batch>(test_value, "batch cast uint8 -> uint16");
test_cast_impl<int16_batch, int8_batch>(test_value, "batch cast int16 -> int8");
test_cast_impl<int16_batch, uint8_batch>(test_value, "batch cast int16 -> uint8");
test_cast_impl<int16_batch, int32_batch>(test_value, "batch cast int16 -> int32");
test_cast_impl<int16_batch, uint32_batch>(test_value, "batch cast int16 -> uint32");
test_cast_impl<int16_batch, float_batch>(test_value, "batch cast int16 -> float");
test_cast_impl<uint16_batch, int8_batch>(test_value, "batch cast uint16 -> int8");
test_cast_impl<uint16_batch, uint8_batch>(test_value, "batch cast uint16 -> uint8");
test_cast_impl<uint16_batch, int32_batch>(test_value, "batch cast uint16 -> int32");
test_cast_impl<uint16_batch, uint32_batch>(test_value, "batch cast uint16 -> uint32");
test_cast_impl<uint16_batch, float_batch>(test_value, "batch cast uint16 -> float");
test_cast_impl<int32_batch, int16_batch>(test_value, "batch cast int32 -> int16");
test_cast_impl<int32_batch, uint16_batch>(test_value, "batch cast int32 -> uint16");
test_cast_impl<int32_batch, int64_batch>(test_value, "batch cast int32 -> int64");
test_cast_impl<int32_batch, uint64_batch>(test_value, "batch cast int32 -> uint64");
test_cast_impl<int32_batch, double_batch>(test_value, "batch cast int32 -> double");
test_cast_impl<uint32_batch, int16_batch>(test_value, "batch cast uint32 -> int16");
test_cast_impl<uint32_batch, uint16_batch>(test_value, "batch cast uint32 -> uint16");
test_cast_impl<uint32_batch, int64_batch>(test_value, "batch cast uint32 -> int64");
test_cast_impl<uint32_batch, uint64_batch>(test_value, "batch cast uint32 -> uint64");
test_cast_impl<uint32_batch, double_batch>(test_value, "batch cast uint32 -> double");
test_cast_impl<int64_batch, int32_batch>(test_value, "batch cast int64 -> int32");
test_cast_impl<int64_batch, uint32_batch>(test_value, "batch cast int64 -> uint32");
test_cast_impl<int64_batch, float_batch>(test_value, "batch cast int64 -> float");
test_cast_impl<uint64_batch, int32_batch>(test_value, "batch cast uint64 -> int32");
test_cast_impl<uint64_batch, uint32_batch>(test_value, "batch cast uint64 -> uint32");
test_cast_impl<uint64_batch, float_batch>(test_value, "batch cast uint64 -> float");
}
for (const auto& test_value : float_test_values)
{
test_cast_impl<float_batch, int16_batch>(test_value, "batch cast float -> int16");
test_cast_impl<float_batch, uint16_batch>(test_value, "batch cast float -> uint16");
test_cast_impl<float_batch, int64_batch>(test_value, "batch cast float -> int64");
test_cast_impl<float_batch, uint64_batch>(test_value, "batch cast float -> uint64");
test_cast_impl<float_batch, double_batch>(test_value, "batch cast float -> double");
}
for (const auto& test_value : double_test_values)
{
test_cast_impl<double_batch, int32_batch>(test_value, "batch cast double -> int32");
test_cast_impl<double_batch, uint32_batch>(test_value, "batch cast double -> uint32");
test_cast_impl<double_batch, float_batch>(test_value, "batch cast double -> float");
}
}
template <size_t Align = A>
typename std::enable_if<Align < 32, void>::type test_cast_sizeshift1() const
{
}
#endif
#if 0 && XSIMD_X86_INSTR_SET >= XSIMD_X86_AVX512_VERSION
template <size_t Align = A>
typename std::enable_if<Align >= 64, void>::type test_cast_sizeshift2() const
{
for (const auto& test_value : int_test_values)
{
test_cast_impl<int8_batch, int32_batch>(test_value, "batch cast int8 -> int32");
test_cast_impl<int8_batch, uint32_batch>(test_value, "batch cast int8 -> uint32");
test_cast_impl<int8_batch, float_batch>(test_value, "batch cast int8 -> float");
test_cast_impl<uint8_batch, int32_batch>(test_value, "batch cast uint8 -> int32");
test_cast_impl<uint8_batch, uint32_batch>(test_value, "batch cast uint8 -> uint32");
test_cast_impl<uint8_batch, float_batch>(test_value, "batch cast uint8 -> float");
test_cast_impl<int16_batch, int64_batch>(test_value, "batch cast int16 -> int64");
test_cast_impl<int16_batch, uint64_batch>(test_value, "batch cast int16 -> uint64");
test_cast_impl<int16_batch, double_batch>(test_value, "batch cast int16 -> double");
test_cast_impl<uint16_batch, int64_batch>(test_value, "batch cast uint16 -> int64");
test_cast_impl<uint16_batch, uint64_batch>(test_value, "batch cast uint16 -> uint64");
test_cast_impl<uint16_batch, double_batch>(test_value, "batch cast uint16 -> double");
test_cast_impl<int32_batch, int8_batch>(test_value, "batch cast int32 -> int8");
test_cast_impl<int32_batch, uint8_batch>(test_value, "batch cast int32 -> uint8");
test_cast_impl<uint32_batch, int8_batch>(test_value, "batch cast uint32 -> int8");
test_cast_impl<uint32_batch, uint8_batch>(test_value, "batch cast uint32 -> uint8");
test_cast_impl<int64_batch, int16_batch>(test_value, "batch cast int64 -> int16");
test_cast_impl<int64_batch, uint16_batch>(test_value, "batch cast int64 -> uint16");
test_cast_impl<uint64_batch, int16_batch>(test_value, "batch cast uint64 -> int16");
test_cast_impl<uint64_batch, uint16_batch>(test_value, "batch cast uint64 -> uint16");
}
for (const auto& test_value : float_test_values)
{
test_cast_impl<float_batch, int8_batch>(test_value, "batch cast float -> int8");
test_cast_impl<float_batch, uint8_batch>(test_value, "batch cast float -> uint8");
}
for (const auto& test_value : double_test_values)
{
test_cast_impl<double_batch, int16_batch>(test_value, "batch cast double -> int16");
test_cast_impl<double_batch, uint16_batch>(test_value, "batch cast double -> uint16");
}
}
template <size_t Align = A>
typename std::enable_if<Align < 64, void>::type test_cast_sizeshift2() const
{
}
#endif
private:
template <class B_in, class B_out, class T>
void test_cast_impl(T test_value, const std::string& name) const
{
using T_in = typename B_in::value_type;
using T_out = typename B_out::value_type;
using B_common_in = xsimd::batch<T_in>;
using B_common_out = xsimd::batch<T_out>;
T_in in_test_value = static_cast<T_in>(test_value);
if (detail::is_convertible<T_out>(in_test_value))
{
B_common_out res = xsimd::batch_cast<T_out>(B_common_in(in_test_value));
INFO(name);
CHECK_SCALAR_EQ(res.get(0), static_cast<T_out>(in_test_value));
}
}
template <class B_in, class B_out>
void test_bool_cast_impl(const std::string& name) const
{
using T_in = typename B_in::value_type;
using T_out = typename B_out::value_type;
using B_common_in = xsimd::batch_bool<T_in>;
using B_common_out = xsimd::batch_bool<T_out>;
B_common_in all_true_in(true);
B_common_out all_true_res = xsimd::batch_bool_cast<T_out>(all_true_in);
INFO(name);
CHECK_SCALAR_EQ(all_true_res.get(0), true);
B_common_in all_false_in(false);
B_common_out all_false_res = xsimd::batch_bool_cast<T_out>(all_false_in);
INFO(name);
CHECK_SCALAR_EQ(all_false_res.get(0), false);
}
};
TEST_CASE_TEMPLATE("[xsimd cast tests]", B, CONVERSION_TYPES)
{
batch_cast_test<B> Test;
SUBCASE("bool cast")
{
Test.test_bool_cast();
}
SUBCASE("cast")
{
Test.test_cast();
}
}
#endif
#if 0 && XSIMD_X86_INSTR_SET >= XSIMD_X86_AVX_VERSION
TYPED_TEST(batch_cast_test, cast_sizeshift1)
{
this->test_cast_sizeshift1();
}
#endif
#if 0 && XSIMD_X86_INSTR_SET >= XSIMD_X86_AVX512_VERSION
TYPED_TEST(batch_cast_test, cast_sizeshift2)
{
this->test_cast_sizeshift2();
}
#endif
#if XSIMD_WITH_SSE2
TEST_CASE_TEMPLATE("[xsimd cast tests]", B, CONVERSION_TYPES)
{
SUBCASE("use fastcast")
{
using A = xsimd::default_arch;
static_assert(detail::uses_fast_cast<A, int32_t, float>::value,
"expected int32 to float conversion to use fast_cast");
static_assert(detail::uses_fast_cast<A, float, int32_t>::value,
"expected float to int32 conversion to use fast_cast");
}
}
#endif
#endif
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