diff options
| author | Stanislaw Halik <sthalik@misaki.pl> | 2018-07-03 07:37:12 +0200 |
|---|---|---|
| committer | Stanislaw Halik <sthalik@misaki.pl> | 2018-07-03 08:13:09 +0200 |
| commit | 88534ba623421c956d8ffcda2d27f41d704d15ef (patch) | |
| tree | fccc55245aec3f7381cd525a1355568e10ea37f4 /eigen/test/half_float.cpp | |
| parent | 3ee09beb3f0458fbeb0b0e816f854b9d5b406e6b (diff) | |
update eigen
Diffstat (limited to 'eigen/test/half_float.cpp')
| -rw-r--r-- | eigen/test/half_float.cpp | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/eigen/test/half_float.cpp b/eigen/test/half_float.cpp index 6f31968..3d2410a 100644 --- a/eigen/test/half_float.cpp +++ b/eigen/test/half_float.cpp @@ -96,12 +96,24 @@ void test_conversion() 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; - + std::cout << "epsilon = " << NumTraits<half>::epsilon() << " (0x" << std::hex << NumTraits<half>::epsilon().x << ")" << std::endl; + std::cout << "highest = " << NumTraits<half>::highest() << " (0x" << std::hex << NumTraits<half>::highest().x << ")" << std::endl; + std::cout << "lowest = " << NumTraits<half>::lowest() << " (0x" << std::hex << NumTraits<half>::lowest().x << ")" << std::endl; + std::cout << "min = " << (std::numeric_limits<half>::min)() << " (0x" << std::hex << half((std::numeric_limits<half>::min)()).x << ")" << std::endl; + std::cout << "denorm min = " << (std::numeric_limits<half>::denorm_min)() << " (0x" << std::hex << half((std::numeric_limits<half>::denorm_min)()).x << ")" << std::endl; + std::cout << "infinity = " << NumTraits<half>::infinity() << " (0x" << std::hex << NumTraits<half>::infinity().x << ")" << std::endl; + std::cout << "quiet nan = " << NumTraits<half>::quiet_NaN() << " (0x" << std::hex << NumTraits<half>::quiet_NaN().x << ")" << std::endl; + std::cout << "signaling nan = " << std::numeric_limits<half>::signaling_NaN() << " (0x" << std::hex << std::numeric_limits<half>::signaling_NaN().x << ")" << std::endl; + + VERIFY(NumTraits<half>::IsSigned); + + VERIFY_IS_EQUAL( std::numeric_limits<half>::infinity().x, half(std::numeric_limits<float>::infinity()).x ); + VERIFY_IS_EQUAL( std::numeric_limits<half>::quiet_NaN().x, half(std::numeric_limits<float>::quiet_NaN()).x ); + VERIFY_IS_EQUAL( std::numeric_limits<half>::signaling_NaN().x, half(std::numeric_limits<float>::signaling_NaN()).x ); + 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) ); } void test_arithmetic() @@ -185,11 +197,6 @@ void test_basic_functions() 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::expm1(half(0.0f))), 0.0f); - VERIFY_IS_EQUAL(float(expm1(half(0.0f))), 0.0f); - VERIFY_IS_APPROX(float(numext::expm1(half(2.0f))), 6.3890561f); - VERIFY_IS_APPROX(float(expm1(half(2.0f))), 6.3890561f); - 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); |