diff options
Diffstat (limited to 'unsupported/test')
-rw-r--r-- | unsupported/test/CMakeLists.txt | 1 | ||||
-rw-r--r-- | unsupported/test/cxx11_float16.cpp | 244 |
2 files changed, 0 insertions, 245 deletions
diff --git a/unsupported/test/CMakeLists.txt b/unsupported/test/CMakeLists.txt index c50ea53c5..6188b421a 100644 --- a/unsupported/test/CMakeLists.txt +++ b/unsupported/test/CMakeLists.txt @@ -117,7 +117,6 @@ ei_add_test(special_functions) # when using visual studio. We should make the check more strict to enable the tests for # newer versions of MSVC. if (NOT CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") -ei_add_test(cxx11_float16) ei_add_test(cxx11_tensor_dimension) ei_add_test(cxx11_tensor_map) ei_add_test(cxx11_tensor_assign) diff --git a/unsupported/test/cxx11_float16.cpp b/unsupported/test/cxx11_float16.cpp deleted file mode 100644 index d2b48772e..000000000 --- a/unsupported/test/cxx11_float16.cpp +++ /dev/null @@ -1,244 +0,0 @@ -// 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/. - -#define EIGEN_TEST_NO_LONGDOUBLE -#define EIGEN_TEST_NO_COMPLEX -#define EIGEN_TEST_FUNC cxx11_float16 - -#include <sstream> - -#include "main.h" - -#include <Eigen/src/Core/arch/CUDA/Half.h> - -using Eigen::half; - -void test_conversion() -{ - // Conversion from float. - VERIFY_IS_EQUAL(half(1.0f).x, 0x3c00); - VERIFY_IS_EQUAL(half(0.5f).x, 0x3800); - VERIFY_IS_EQUAL(half(0.33333f).x, 0x3555); - VERIFY_IS_EQUAL(half(0.0f).x, 0x0000); - VERIFY_IS_EQUAL(half(-0.0f).x, 0x8000); - VERIFY_IS_EQUAL(half(65504.0f).x, 0x7bff); - VERIFY_IS_EQUAL(half(65536.0f).x, 0x7c00); // Becomes infinity. - - // Denormals. - VERIFY_IS_EQUAL(half(-5.96046e-08f).x, 0x8001); - VERIFY_IS_EQUAL(half(5.96046e-08f).x, 0x0001); - VERIFY_IS_EQUAL(half(1.19209e-07f).x, 0x0002); - - // Verify round-to-nearest-even behavior. - float val1 = float(half(__half(0x3c00))); - float val2 = float(half(__half(0x3c01))); - float val3 = float(half(__half(0x3c02))); - VERIFY_IS_EQUAL(half(0.5f * (val1 + val2)).x, 0x3c00); - VERIFY_IS_EQUAL(half(0.5f * (val2 + val3)).x, 0x3c02); - - // Conversion from int. - VERIFY_IS_EQUAL(half(-1).x, 0xbc00); - VERIFY_IS_EQUAL(half(0).x, 0x0000); - VERIFY_IS_EQUAL(half(1).x, 0x3c00); - VERIFY_IS_EQUAL(half(2).x, 0x4000); - VERIFY_IS_EQUAL(half(3).x, 0x4200); - - // Conversion from bool. - VERIFY_IS_EQUAL(half(false).x, 0x0000); - VERIFY_IS_EQUAL(half(true).x, 0x3c00); - - // Conversion to float. - VERIFY_IS_EQUAL(float(half(__half(0x0000))), 0.0f); - VERIFY_IS_EQUAL(float(half(__half(0x3c00))), 1.0f); - - // Denormals. - VERIFY_IS_APPROX(float(half(__half(0x8001))), -5.96046e-08f); - VERIFY_IS_APPROX(float(half(__half(0x0001))), 5.96046e-08f); - VERIFY_IS_APPROX(float(half(__half(0x0002))), 1.19209e-07f); - - // NaNs and infinities. - VERIFY(!(numext::isinf)(float(half(65504.0f)))); // Largest finite number. - VERIFY(!(numext::isnan)(float(half(0.0f)))); - VERIFY((numext::isinf)(float(half(__half(0xfc00))))); - VERIFY((numext::isnan)(float(half(__half(0xfc01))))); - VERIFY((numext::isinf)(float(half(__half(0x7c00))))); - VERIFY((numext::isnan)(float(half(__half(0x7c01))))); - -#if !EIGEN_COMP_MSVC - // Visual Studio errors out on divisions by 0 - VERIFY((numext::isnan)(float(half(0.0 / 0.0)))); - VERIFY((numext::isinf)(float(half(1.0 / 0.0)))); - VERIFY((numext::isinf)(float(half(-1.0 / 0.0)))); -#endif - - // Exactly same checks as above, just directly on the half representation. - VERIFY(!(numext::isinf)(half(__half(0x7bff)))); - VERIFY(!(numext::isnan)(half(__half(0x0000)))); - VERIFY((numext::isinf)(half(__half(0xfc00)))); - VERIFY((numext::isnan)(half(__half(0xfc01)))); - VERIFY((numext::isinf)(half(__half(0x7c00)))); - VERIFY((numext::isnan)(half(__half(0x7c01)))); - -#if !EIGEN_COMP_MSVC - // Visual Studio errors out on divisions by 0 - VERIFY((numext::isnan)(half(0.0 / 0.0))); - VERIFY((numext::isinf)(half(1.0 / 0.0))); - VERIFY((numext::isinf)(half(-1.0 / 0.0))); -#endif -} - -void test_numtraits() -{ - std::cout << "epsilon = " << NumTraits<half>::epsilon() << std::endl; - std::cout << "highest = " << NumTraits<half>::highest() << std::endl; - std::cout << "lowest = " << NumTraits<half>::lowest() << std::endl; - std::cout << "inifinty = " << NumTraits<half>::infinity() << std::endl; - std::cout << "nan = " << NumTraits<half>::quiet_NaN() << std::endl; - -} - -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); - VERIFY_IS_EQUAL(float(half(2.0f) * half(-5.5f)), -11.0f); - 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); -} - -void test_comparison() -{ - VERIFY(half(1.0f) > half(0.5f)); - VERIFY(half(0.5f) < half(1.0f)); - VERIFY(!(half(1.0f) < half(0.5f))); - VERIFY(!(half(0.5f) > half(1.0f))); - - VERIFY(!(half(4.0f) > half(4.0f))); - VERIFY(!(half(4.0f) < half(4.0f))); - - VERIFY(!(half(0.0f) < half(-0.0f))); - VERIFY(!(half(-0.0f) < half(0.0f))); - VERIFY(!(half(0.0f) > half(-0.0f))); - VERIFY(!(half(-0.0f) > half(0.0f))); - - VERIFY(half(0.2f) > half(-1.0f)); - VERIFY(half(-1.0f) < half(0.2f)); - VERIFY(half(-16.0f) < half(-15.0f)); - - VERIFY(half(1.0f) == half(1.0f)); - VERIFY(half(1.0f) != half(2.0f)); - - // Comparisons with NaNs and infinities. -#if !EIGEN_COMP_MSVC - // Visual Studio errors out on divisions by 0 - VERIFY(!(half(0.0 / 0.0) == half(0.0 / 0.0))); - VERIFY(half(0.0 / 0.0) != half(0.0 / 0.0)); - - VERIFY(!(half(1.0) == half(0.0 / 0.0))); - VERIFY(!(half(1.0) < half(0.0 / 0.0))); - VERIFY(!(half(1.0) > half(0.0 / 0.0))); - VERIFY(half(1.0) != half(0.0 / 0.0)); - - VERIFY(half(1.0) < half(1.0 / 0.0)); - VERIFY(half(1.0) > half(-1.0 / 0.0)); -#endif -} - -void test_basic_functions() -{ - VERIFY_IS_EQUAL(float(numext::abs(half(3.5f))), 3.5f); - VERIFY_IS_EQUAL(float(abs(half(3.5f))), 3.5f); - VERIFY_IS_EQUAL(float(numext::abs(half(-3.5f))), 3.5f); - VERIFY_IS_EQUAL(float(abs(half(-3.5f))), 3.5f); - - VERIFY_IS_EQUAL(float(numext::floor(half(3.5f))), 3.0f); - VERIFY_IS_EQUAL(float(floor(half(3.5f))), 3.0f); - VERIFY_IS_EQUAL(float(numext::floor(half(-3.5f))), -4.0f); - VERIFY_IS_EQUAL(float(floor(half(-3.5f))), -4.0f); - - VERIFY_IS_EQUAL(float(numext::ceil(half(3.5f))), 4.0f); - VERIFY_IS_EQUAL(float(ceil(half(3.5f))), 4.0f); - VERIFY_IS_EQUAL(float(numext::ceil(half(-3.5f))), -3.0f); - VERIFY_IS_EQUAL(float(ceil(half(-3.5f))), -3.0f); - - VERIFY_IS_APPROX(float(numext::sqrt(half(0.0f))), 0.0f); - VERIFY_IS_APPROX(float(sqrt(half(0.0f))), 0.0f); - VERIFY_IS_APPROX(float(numext::sqrt(half(4.0f))), 2.0f); - VERIFY_IS_APPROX(float(sqrt(half(4.0f))), 2.0f); - - VERIFY_IS_APPROX(float(numext::pow(half(0.0f), half(1.0f))), 0.0f); - VERIFY_IS_APPROX(float(pow(half(0.0f), half(1.0f))), 0.0f); - VERIFY_IS_APPROX(float(numext::pow(half(2.0f), half(2.0f))), 4.0f); - VERIFY_IS_APPROX(float(pow(half(2.0f), half(2.0f))), 4.0f); - - VERIFY_IS_EQUAL(float(numext::exp(half(0.0f))), 1.0f); - VERIFY_IS_EQUAL(float(exp(half(0.0f))), 1.0f); - VERIFY_IS_APPROX(float(numext::exp(half(EIGEN_PI))), 20.f + float(EIGEN_PI)); - VERIFY_IS_APPROX(float(exp(half(EIGEN_PI))), 20.f + float(EIGEN_PI)); - - VERIFY_IS_EQUAL(float(numext::log(half(1.0f))), 0.0f); - VERIFY_IS_EQUAL(float(log(half(1.0f))), 0.0f); - VERIFY_IS_APPROX(float(numext::log(half(10.0f))), 2.30273f); - VERIFY_IS_APPROX(float(log(half(10.0f))), 2.30273f); -} - -void test_trigonometric_functions() -{ - VERIFY_IS_APPROX(numext::cos(half(0.0f)), half(cosf(0.0f))); - VERIFY_IS_APPROX(cos(half(0.0f)), half(cosf(0.0f))); - VERIFY_IS_APPROX(numext::cos(half(EIGEN_PI)), half(cosf(EIGEN_PI))); - //VERIFY_IS_APPROX(numext::cos(half(EIGEN_PI/2)), half(cosf(EIGEN_PI/2))); - //VERIFY_IS_APPROX(numext::cos(half(3*EIGEN_PI/2)), half(cosf(3*EIGEN_PI/2))); - VERIFY_IS_APPROX(numext::cos(half(3.5f)), half(cosf(3.5f))); - - 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(EIGEN_PI)), half(sinf(EIGEN_PI))); - VERIFY_IS_APPROX(numext::sin(half(EIGEN_PI/2)), half(sinf(EIGEN_PI/2))); - VERIFY_IS_APPROX(numext::sin(half(3*EIGEN_PI/2)), half(sinf(3*EIGEN_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(EIGEN_PI)), half(tanf(EIGEN_PI))); - // VERIFY_IS_APPROX(numext::tan(half(EIGEN_PI/2)), half(tanf(EIGEN_PI/2))); - //VERIFY_IS_APPROX(numext::tan(half(3*EIGEN_PI/2)), half(tanf(3*EIGEN_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); - 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( ((a1.min)(a2) <= (a1.max)(a2)).all() ); - a1(i) = half(-10.); - VERIFY_IS_EQUAL( a1.minCoeff(), half(-10.) ); - a1(i) = half(10.); - VERIFY_IS_EQUAL( a1.maxCoeff(), half(10.) ); - - std::stringstream ss; - ss << a1; -} - -void test_cxx11_float16() -{ - CALL_SUBTEST(test_conversion()); - CALL_SUBTEST(test_numtraits()); - CALL_SUBTEST(test_arithmetic()); - CALL_SUBTEST(test_comparison()); - CALL_SUBTEST(test_basic_functions()); - CALL_SUBTEST(test_trigonometric_functions()); - CALL_SUBTEST(test_array()); -} |