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Add float/int literal for Approx

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This commit is contained in:
Henry Schreiner
2018-05-21 15:42:40 +02:00
committed by Martin Hořeňovský
parent d6c7392b24
commit 283e2e6d41
8 changed files with 177 additions and 8 deletions
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16
include/internal/catch_approx.cpp
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@@ -35,6 +35,13 @@ namespace Detail {
return Approx( 0 );
}
Approx Approx::operator-() const {
auto temp(*this);
temp.m_value = -temp.m_value;
return temp;
}
std::string Approx::toString() const {
ReusableStringStream rss;
rss << "Approx( " << ::Catch::Detail::stringify( m_value ) << " )";
@@ -49,6 +56,15 @@ namespace Detail {
} // end namespace Detail
namespace literals {
Detail::Approx operator "" _a(long double val) {
return Detail::Approx(val);
}
Detail::Approx operator "" _a(unsigned long long val) {
return Detail::Approx(val);
}
} // end namespace literals
std::string StringMaker<Catch::Detail::Approx>::convert(Catch::Detail::Approx const& value) {
return value.toString();
}

9
include/internal/catch_approx.h
View File

@@ -25,6 +25,8 @@ namespace Detail {
static Approx custom();
Approx operator-() const;
template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
Approx operator()( T const& value ) {
Approx approx( static_cast<double>(value) );
@@ -121,7 +123,12 @@ namespace Detail {
double m_scale;
double m_value;
};
}
} // end namespace Detail
namespace literals {
Detail::Approx operator "" _a(long double val);
Detail::Approx operator "" _a(unsigned long long val);
} // end namespace literals
template<>
struct StringMaker<Catch::Detail::Approx> {