fly316/PX4-Autopilot
7
0
Fork 0
mirror of https://gitee.com/mirrors_PX4/PX4-Autopilot.git synced 2026-11-05 03:21:36 +08:00
Code Issues Packages Projects Releases Wiki Activity

Float classification test

Browse Source
This commit is contained in:
Pavel Kirienko
2014-08-28 01:40:29 +04:00
parent 8240c7962b
commit 4cc7dfb2d4
1 changed files with 22 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libuavcan/test/util/templates.cpp
+22
View File
@@ -4,6 +4,7 @@
#include <gtest/gtest.h> #include <gtest/gtest.h>
#include <uavcan/util/templates.hpp> #include <uavcan/util/templates.hpp>
#include <limits>
struct NonConvertible { }; struct NonConvertible { };
@@ -40,3 +41,24 @@ TEST(Util, TryImplicitCast)
//try_implicit_cast<NonDefaultConstructible>(ConvertibleToBool(true)); // Will fail to compile //try_implicit_cast<NonDefaultConstructible>(ConvertibleToBool(true)); // Will fail to compile
try_implicit_cast<NonDefaultConstructible>(NonConvertible(), NonDefaultConstructible(64)); try_implicit_cast<NonDefaultConstructible>(NonConvertible(), NonDefaultConstructible(64));
} }
TEST(Util, FloatClassification)
{
// NAN
ASSERT_TRUE(uavcan::isNaN(std::numeric_limits<float>::quiet_NaN()));
ASSERT_FALSE(uavcan::isNaN(std::numeric_limits<double>::infinity()));
ASSERT_FALSE(uavcan::isNaN(std::numeric_limits<long double>::infinity()));
ASSERT_FALSE(uavcan::isNaN(123.456));
// INF
ASSERT_TRUE(uavcan::isInfinity(std::numeric_limits<float>::infinity()));
ASSERT_TRUE(uavcan::isInfinity(-std::numeric_limits<long double>::infinity()));
ASSERT_FALSE(uavcan::isInfinity(std::numeric_limits<float>::quiet_NaN()));
ASSERT_FALSE(uavcan::isInfinity(-0.1L));
// Signbit
ASSERT_FALSE(uavcan::getSignBit(12));
ASSERT_TRUE(uavcan::getSignBit(-std::numeric_limits<long double>::infinity()));
ASSERT_FALSE(uavcan::getSignBit(std::numeric_limits<float>::infinity()));
ASSERT_TRUE(uavcan::getSignBit(-0.0)); // Negative zero
}