diff options
| author |  Gael Guennebaud <g.gael@free.fr> | 2017-06-09 11:51:53 +0200 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2017-06-09 11:51:53 +0200 |
| commit | d58882277999508b1b97624771433422897e9aee (patch) | |
| tree | c9e55deb41cd73bd1a91fdb02171547fa9ee84cd /test | |
| parent | 682b2ef17ee360ac11cebbe7286dc4edd9accfa3 (diff) | |
Add missing std::numeric_limits specialization for half, and complete NumTraits<half>
Diffstat (limited to 'test')
| -rw-r--r-- | test/half_float.cpp | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/test/half_float.cpp b/test/half_float.cpp index 6f3196852..7ec40f3ae 100644 --- a/test/half_float.cpp +++ b/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)()/2 > half(0.f) ); + VERIFY_IS_EQUAL( (std::numeric_limits<half>::denorm_min)()/2, half(0.f) ); } void test_arithmetic() |