Struct ApproxMatcher
Synopsis
#include <include/internal/catch_matchers_vector.h>
template<typename T, typename AllocComp, typename AllocMatch>
struct ApproxMatcher : MatcherBase<std::vector<T, AllocMatch>>
Description
No description yet.
Inheritance
Ancestors: MatcherBase
Methods
| ApproxMatcher | ||
| describe | ||
| epsilon | ||
| margin | ||
| match | ||
| scale |
Source
Lines 94-128 in include/internal/catch_matchers_vector.h.
template<typename T, typename AllocComp, typename AllocMatch>
struct ApproxMatcher : MatcherBase<std::vector<T, AllocMatch>> {
ApproxMatcher(std::vector<T, AllocComp> const& comparator) : m_comparator( comparator ) {}
bool match(std::vector<T, AllocMatch> const &v) const override {
if (m_comparator.size() != v.size())
return false;
for (std::size_t i = 0; i < v.size(); ++i)
if (m_comparator[i] != approx(v[i]))
return false;
return true;
}
std::string describe() const override {
return "is approx: " + ::Catch::Detail::stringify( m_comparator );
}
template <typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
ApproxMatcher& epsilon( T const& newEpsilon ) {
approx.epsilon(newEpsilon);
return *this;
}
template <typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
ApproxMatcher& margin( T const& newMargin ) {
approx.margin(newMargin);
return *this;
}
template <typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
ApproxMatcher& scale( T const& newScale ) {
approx.scale(newScale);
return *this;
}
std::vector<T, AllocComp> const& m_comparator;
mutable Catch::Detail::Approx approx = Catch::Detail::Approx::custom();
};