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Fix (u)int64_t->float conversion on arm

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This commit is contained in:
Pavel Labath
2023-11-21 16:09:12 +00:00
committed by Antonio Sánchez
parent d1b03fb5c9
commit 66b9f4ed5c
3 changed files with 56 additions and 4 deletions
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51
test/float_conversion.cpp Normal file
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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <sstream>
#include "main.h"
template<typename From, typename To>
void test_conversion() {
typedef Array<From, Dynamic, 1> ArrayXFrom;
typedef Array<To, Dynamic, 1> ArrayXTo;
typedef Array<double, Dynamic, 1> ArrayXDouble;
Index size = internal::random<Index>(1, EIGEN_TEST_MAX_SIZE);
double from_min = static_cast<double>((std::numeric_limits<From>::min)());
double from_range = static_cast<double>((std::numeric_limits<From>::max)()) - from_min;
// ArrayXFrom::Random() only generates 32-bit values (#2749), so we generate
// doubles and scale to fit the range.
ArrayXDouble doubles = (ArrayXDouble::Random(size)+1.0)*(from_range/2.0) + from_min;
ArrayXFrom from = doubles.template cast<From>();
ArrayXTo to(size);
for (Index i = 0; i < size; ++i) {
to(i) = static_cast<To>(from(i));
}
VERIFY_IS_APPROX(from.template cast<To>(), to);
}
template<typename To>
void test_conversion_to() {
CALL_SUBTEST((test_conversion<int64_t, To>()));
CALL_SUBTEST((test_conversion<uint64_t, To>()));
CALL_SUBTEST((test_conversion<int32_t, To>()));
CALL_SUBTEST((test_conversion<uint32_t, To>()));
CALL_SUBTEST((test_conversion<int16_t, To>()));
CALL_SUBTEST((test_conversion<uint16_t, To>()));
CALL_SUBTEST((test_conversion<int8_t, To>()));
CALL_SUBTEST((test_conversion<uint8_t, To>()));
}
EIGEN_DECLARE_TEST(float_conversion)
{
for(int i = 0; i < g_repeat; i++) {
CALL_SUBTEST(test_conversion_to<float>());
CALL_SUBTEST(test_conversion_to<double>());
}
}