void check()
{
BOOST_CONCEPT_ASSERT((boost::ForwardRangeConcept<T>));
BOOST_CONCEPT_ASSERT((boost_concepts::ReadableIteratorConcept<typename boost::range_iterator<T>::type>));
BOOST_CONCEPT_ASSERT((boost_concepts::RandomAccessTraversalConcept<typename boost::range_iterator<T>::type>));
#ifndef BOOST_NO_CXX11_RANGE_BASED_FOR
const T val;
for(auto item : val)
{
use_val(item);
}
#endif
}
void testTimingZeroClamp()
{
// test performance
const long iters(400000);
T use_val(0);
T val = T(0);
CPPUNIT_METRIC_START_TIMING();
for (long iter = 0; iter < iters; ++iter)
{
val += T(0.5);
use_val += gmtl::Math::zeroClamp( val, T(0.4) );
use_val += gmtl::Math::zeroClamp( val, T(0.2) );
}
CPPUNIT_METRIC_STOP_TIMING();
std::string typeName = std::string("MathTest/ZeroClamp[") + std::string(typeid(T).name()) + std::string("]");
CPPUNIT_ASSERT_METRIC_TIMING_LE(typeName, iters, 0.075f, 0.1f); // warn at 7.5%, error at 10%
// make sure the compiler doesn't optimize out use_val
CPPUNIT_ASSERT( use_val > 0 );
}
