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Clang-format tests, examples, libraries, benchmarks, etc.

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This commit is contained in:
Antonio Sánchez
2023-12-05 21:22:55 +00:00
committed by Rasmus Munk Larsen
parent 3252ecc7a4
commit 46e9cdb7fe
876 changed files with 33453 additions and 37795 deletions
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144
test/half_float.cpp
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@@ -19,23 +19,14 @@ struct half;
using Eigen::half;
void test_conversion()
{
void test_conversion() {
using Eigen::half_impl::__half_raw;
// Round-trip bit-cast with uint16.
VERIFY_IS_EQUAL(
numext::bit_cast<half>(numext::bit_cast<numext::uint16_t>(half(1.0f))),
half(1.0f));
VERIFY_IS_EQUAL(
numext::bit_cast<half>(numext::bit_cast<numext::uint16_t>(half(0.5f))),
half(0.5f));
VERIFY_IS_EQUAL(
numext::bit_cast<half>(numext::bit_cast<numext::uint16_t>(half(-0.33333f))),
half(-0.33333f));
VERIFY_IS_EQUAL(
numext::bit_cast<half>(numext::bit_cast<numext::uint16_t>(half(0.0f))),
half(0.0f));
VERIFY_IS_EQUAL(numext::bit_cast<half>(numext::bit_cast<numext::uint16_t>(half(1.0f))), half(1.0f));
VERIFY_IS_EQUAL(numext::bit_cast<half>(numext::bit_cast<numext::uint16_t>(half(0.5f))), half(0.5f));
VERIFY_IS_EQUAL(numext::bit_cast<half>(numext::bit_cast<numext::uint16_t>(half(-0.33333f))), half(-0.33333f));
VERIFY_IS_EQUAL(numext::bit_cast<half>(numext::bit_cast<numext::uint16_t>(half(0.0f))), half(0.0f));
// Conversion from float.
VERIFY_HALF_BITS_EQUAL(half(1.0f), 0x3c00);
@@ -118,53 +109,56 @@ void test_conversion()
VERIFY(static_cast<bool>(half(-5.96046e-08f)));
}
void test_numtraits()
{
std::cout << "epsilon = " << NumTraits<half>::epsilon() << " (0x" << std::hex << numext::bit_cast<numext::uint16_t>(NumTraits<half>::epsilon()) << ")" << std::endl;
std::cout << "highest = " << NumTraits<half>::highest() << " (0x" << std::hex << numext::bit_cast<numext::uint16_t>(NumTraits<half>::highest()) << ")" << std::endl;
std::cout << "lowest = " << NumTraits<half>::lowest() << " (0x" << std::hex << numext::bit_cast<numext::uint16_t>(NumTraits<half>::lowest()) << ")" << std::endl;
std::cout << "min = " << (std::numeric_limits<half>::min)() << " (0x" << std::hex << numext::bit_cast<numext::uint16_t>(half((std::numeric_limits<half>::min)())) << ")" << std::endl;
std::cout << "denorm min = " << (std::numeric_limits<half>::denorm_min)() << " (0x" << std::hex << numext::bit_cast<numext::uint16_t>(half((std::numeric_limits<half>::denorm_min)())) << ")" << std::endl;
std::cout << "infinity = " << NumTraits<half>::infinity() << " (0x" << std::hex << numext::bit_cast<numext::uint16_t>(NumTraits<half>::infinity()) << ")" << std::endl;
std::cout << "quiet nan = " << NumTraits<half>::quiet_NaN() << " (0x" << std::hex << numext::bit_cast<numext::uint16_t>(NumTraits<half>::quiet_NaN()) << ")" << std::endl;
std::cout << "signaling nan = " << std::numeric_limits<half>::signaling_NaN() << " (0x" << std::hex << numext::bit_cast<numext::uint16_t>(std::numeric_limits<half>::signaling_NaN()) << ")" << std::endl;
void test_numtraits() {
std::cout << "epsilon = " << NumTraits<half>::epsilon() << " (0x" << std::hex
<< numext::bit_cast<numext::uint16_t>(NumTraits<half>::epsilon()) << ")" << std::endl;
std::cout << "highest = " << NumTraits<half>::highest() << " (0x" << std::hex
<< numext::bit_cast<numext::uint16_t>(NumTraits<half>::highest()) << ")" << std::endl;
std::cout << "lowest = " << NumTraits<half>::lowest() << " (0x" << std::hex
<< numext::bit_cast<numext::uint16_t>(NumTraits<half>::lowest()) << ")" << std::endl;
std::cout << "min = " << (std::numeric_limits<half>::min)() << " (0x" << std::hex
<< numext::bit_cast<numext::uint16_t>(half((std::numeric_limits<half>::min)())) << ")" << std::endl;
std::cout << "denorm min = " << (std::numeric_limits<half>::denorm_min)() << " (0x" << std::hex
<< numext::bit_cast<numext::uint16_t>(half((std::numeric_limits<half>::denorm_min)())) << ")" << std::endl;
std::cout << "infinity = " << NumTraits<half>::infinity() << " (0x" << std::hex
<< numext::bit_cast<numext::uint16_t>(NumTraits<half>::infinity()) << ")" << std::endl;
std::cout << "quiet nan = " << NumTraits<half>::quiet_NaN() << " (0x" << std::hex
<< numext::bit_cast<numext::uint16_t>(NumTraits<half>::quiet_NaN()) << ")" << std::endl;
std::cout << "signaling nan = " << std::numeric_limits<half>::signaling_NaN() << " (0x" << std::hex
<< numext::bit_cast<numext::uint16_t>(std::numeric_limits<half>::signaling_NaN()) << ")" << std::endl;
VERIFY(NumTraits<half>::IsSigned);
VERIFY_IS_EQUAL(
numext::bit_cast<numext::uint16_t>(std::numeric_limits<half>::infinity()),
numext::bit_cast<numext::uint16_t>(half(std::numeric_limits<float>::infinity())) );
VERIFY_IS_EQUAL(numext::bit_cast<numext::uint16_t>(std::numeric_limits<half>::infinity()),
numext::bit_cast<numext::uint16_t>(half(std::numeric_limits<float>::infinity())));
// There is no guarantee that casting a 32-bit NaN to 16-bit has a precise
// bit pattern. We test that it is in fact a NaN, then test the signaling
// bit (msb of significand is 1 for quiet, 0 for signaling).
const numext::uint16_t HALF_QUIET_BIT = 0x0200;
VERIFY(
(numext::isnan)(std::numeric_limits<half>::quiet_NaN())
&& (numext::isnan)(half(std::numeric_limits<float>::quiet_NaN()))
&& ((numext::bit_cast<numext::uint16_t>(std::numeric_limits<half>::quiet_NaN()) & HALF_QUIET_BIT) > 0)
&& ((numext::bit_cast<numext::uint16_t>(half(std::numeric_limits<float>::quiet_NaN())) & HALF_QUIET_BIT) > 0) );
VERIFY((numext::isnan)(std::numeric_limits<half>::quiet_NaN()) &&
(numext::isnan)(half(std::numeric_limits<float>::quiet_NaN())) &&
((numext::bit_cast<numext::uint16_t>(std::numeric_limits<half>::quiet_NaN()) & HALF_QUIET_BIT) > 0) &&
((numext::bit_cast<numext::uint16_t>(half(std::numeric_limits<float>::quiet_NaN())) & HALF_QUIET_BIT) > 0));
// After a cast to half, a signaling NaN may become non-signaling
// (e.g. in the case of casting float to native __fp16). Thus, we check that
// both are NaN, and that only the `numeric_limits` version is signaling.
VERIFY(
(numext::isnan)(std::numeric_limits<half>::signaling_NaN())
&& (numext::isnan)(half(std::numeric_limits<float>::signaling_NaN()))
&& ((numext::bit_cast<numext::uint16_t>(std::numeric_limits<half>::signaling_NaN()) & HALF_QUIET_BIT) == 0) );
VERIFY((numext::isnan)(std::numeric_limits<half>::signaling_NaN()) &&
(numext::isnan)(half(std::numeric_limits<float>::signaling_NaN())) &&
((numext::bit_cast<numext::uint16_t>(std::numeric_limits<half>::signaling_NaN()) & HALF_QUIET_BIT) == 0));
VERIFY( (std::numeric_limits<half>::min)() > half(0.f) );
VERIFY( (std::numeric_limits<half>::denorm_min)() > half(0.f) );
VERIFY( (std::numeric_limits<half>::min)()/half(2) > half(0.f) );
VERIFY_IS_EQUAL( (std::numeric_limits<half>::denorm_min)()/half(2), half(0.f) );
VERIFY((std::numeric_limits<half>::min)() > half(0.f));
VERIFY((std::numeric_limits<half>::denorm_min)() > half(0.f));
VERIFY((std::numeric_limits<half>::min)() / half(2) > half(0.f));
VERIFY_IS_EQUAL((std::numeric_limits<half>::denorm_min)() / half(2), half(0.f));
// Test to see that we are able to link against the symbols for digits and
// digits10.
volatile const int& digits10 = std::numeric_limits<half>::digits10;
volatile const int& digits = std::numeric_limits<half>::digits;
VERIFY( (digits10) != (digits) );
VERIFY((digits10) != (digits));
}
void test_arithmetic()
{
void test_arithmetic() {
VERIFY_IS_EQUAL(float(half(2) + half(2)), 4);
VERIFY_IS_EQUAL(float(half(2) + half(-2)), 0);
VERIFY_IS_APPROX(float(half(0.33333f) + half(0.66667f)), 1.0f);
@@ -172,7 +166,7 @@ void test_arithmetic()
VERIFY_IS_APPROX(float(half(1.0f) / half(3.0f)), 0.33333f);
VERIFY_IS_EQUAL(float(-half(4096.0f)), -4096.0f);
VERIFY_IS_EQUAL(float(-half(-4096.0f)), 4096.0f);
half x(3);
half y = ++x;
VERIFY_IS_EQUAL(x, half(4));
@@ -188,8 +182,7 @@ void test_arithmetic()
VERIFY_IS_EQUAL(y, half(4));
}
void test_comparison()
{
void test_comparison() {
VERIFY(half(1.0f) > half(0.5f));
VERIFY(half(0.5f) < half(1.0f));
VERIFY(!(half(1.0f) < half(0.5f)));
@@ -226,8 +219,7 @@ void test_comparison()
#endif
}
void test_basic_functions()
{
void test_basic_functions() {
constexpr float PI = static_cast<float>(EIGEN_PI);
VERIFY_IS_EQUAL(float(numext::abs(half(3.5f))), 3.5f);
@@ -274,15 +266,14 @@ void test_basic_functions()
VERIFY_IS_EQUAL(float(log1p(half(0.0f))), 0.0f);
VERIFY_IS_APPROX(float(numext::log1p(half(10.0f))), 2.3978953f);
VERIFY_IS_APPROX(float(log1p(half(10.0f))), 2.3978953f);
VERIFY_IS_APPROX(numext::fmod(half(5.3f), half(2.0f)), half(1.3f));
VERIFY_IS_APPROX(fmod(half(5.3f), half(2.0f)), half(1.3f));
VERIFY_IS_APPROX(numext::fmod(half(-18.5f), half(-4.2f)), half(-1.7f));
VERIFY_IS_APPROX(fmod(half(-18.5f), half(-4.2f)), half(-1.7f));
}
void test_trigonometric_functions()
{
void test_trigonometric_functions() {
constexpr float PI = static_cast<float>(EIGEN_PI);
VERIFY_IS_APPROX(numext::cos(half(0.0f)), half(cosf(0.0f)));
VERIFY_IS_APPROX(cos(half(0.0f)), half(cosf(0.0f)));
@@ -294,57 +285,54 @@ void test_trigonometric_functions()
VERIFY_IS_APPROX(numext::sin(half(0.0f)), half(sinf(0.0f)));
VERIFY_IS_APPROX(sin(half(0.0f)), half(sinf(0.0f)));
// VERIFY_IS_APPROX(numext::sin(half(PI)), half(sinf(PI)));
VERIFY_IS_APPROX(numext::sin(half(PI/2)), half(sinf(PI/2)));
VERIFY_IS_APPROX(numext::sin(half(3*PI/2)), half(sinf(3*PI/2)));
VERIFY_IS_APPROX(numext::sin(half(PI / 2)), half(sinf(PI / 2)));
VERIFY_IS_APPROX(numext::sin(half(3 * PI / 2)), half(sinf(3 * PI / 2)));
VERIFY_IS_APPROX(numext::sin(half(3.5f)), half(sinf(3.5f)));
VERIFY_IS_APPROX(numext::tan(half(0.0f)), half(tanf(0.0f)));
VERIFY_IS_APPROX(tan(half(0.0f)), half(tanf(0.0f)));
// VERIFY_IS_APPROX(numext::tan(half(PI)), half(tanf(PI)));
// VERIFY_IS_APPROX(numext::tan(half(PI/2)), half(tanf(PI/2)));
//VERIFY_IS_APPROX(numext::tan(half(3*PI/2)), half(tanf(3*PI/2)));
// VERIFY_IS_APPROX(numext::tan(half(3*PI/2)), half(tanf(3*PI/2)));
VERIFY_IS_APPROX(numext::tan(half(3.5f)), half(tanf(3.5f)));
}
void test_array()
{
typedef Array<half,1,Dynamic> ArrayXh;
Index size = internal::random<Index>(1,10);
Index i = internal::random<Index>(0,size-1);
void test_array() {
typedef Array<half, 1, Dynamic> ArrayXh;
Index size = internal::random<Index>(1, 10);
Index i = internal::random<Index>(0, size - 1);
ArrayXh a1 = ArrayXh::Random(size), a2 = ArrayXh::Random(size);
VERIFY_IS_APPROX( a1+a1, half(2)*a1 );
VERIFY( (a1.abs() >= half(0)).all() );
VERIFY_IS_APPROX( (a1*a1).sqrt(), a1.abs() );
VERIFY_IS_APPROX(a1 + a1, half(2) * a1);
VERIFY((a1.abs() >= half(0)).all());
VERIFY_IS_APPROX((a1 * a1).sqrt(), a1.abs());
VERIFY( ((a1.min)(a2) <= (a1.max)(a2)).all() );
VERIFY(((a1.min)(a2) <= (a1.max)(a2)).all());
a1(i) = half(-10.);
VERIFY_IS_EQUAL( a1.minCoeff(), half(-10.) );
VERIFY_IS_EQUAL(a1.minCoeff(), half(-10.));
a1(i) = half(10.);
VERIFY_IS_EQUAL( a1.maxCoeff(), half(10.) );
VERIFY_IS_EQUAL(a1.maxCoeff(), half(10.));
std::stringstream ss;
ss << a1;
}
void test_product()
{
typedef Matrix<half,Dynamic,Dynamic> MatrixXh;
Index rows = internal::random<Index>(1,EIGEN_TEST_MAX_SIZE);
Index cols = internal::random<Index>(1,EIGEN_TEST_MAX_SIZE);
Index depth = internal::random<Index>(1,EIGEN_TEST_MAX_SIZE);
MatrixXh Ah = MatrixXh::Random(rows,depth);
MatrixXh Bh = MatrixXh::Random(depth,cols);
MatrixXh Ch = MatrixXh::Random(rows,cols);
void test_product() {
typedef Matrix<half, Dynamic, Dynamic> MatrixXh;
Index rows = internal::random<Index>(1, EIGEN_TEST_MAX_SIZE);
Index cols = internal::random<Index>(1, EIGEN_TEST_MAX_SIZE);
Index depth = internal::random<Index>(1, EIGEN_TEST_MAX_SIZE);
MatrixXh Ah = MatrixXh::Random(rows, depth);
MatrixXh Bh = MatrixXh::Random(depth, cols);
MatrixXh Ch = MatrixXh::Random(rows, cols);
MatrixXf Af = Ah.cast<float>();
MatrixXf Bf = Bh.cast<float>();
MatrixXf Cf = Ch.cast<float>();
VERIFY_IS_APPROX(Ch.noalias()+=Ah*Bh, (Cf.noalias()+=Af*Bf).cast<half>());
VERIFY_IS_APPROX(Ch.noalias() += Ah * Bh, (Cf.noalias() += Af * Bf).cast<half>());
}
EIGEN_DECLARE_TEST(half_float)
{
EIGEN_DECLARE_TEST(half_float) {
CALL_SUBTEST(test_numtraits());
for(int i = 0; i < g_repeat; i++) {
for (int i = 0; i < g_repeat; i++) {
CALL_SUBTEST(test_conversion());
CALL_SUBTEST(test_arithmetic());
CALL_SUBTEST(test_comparison());