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All of Approx's member functions now accept strong typedefs

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Previously `Approx::operator()`, `Approx::epsilon`, `Approx::margin` and
`Approx::scale` didn't.

Closes #888
This commit is contained in:
Martin Hořeňovský 2017-04-24 22:01:45 +02:00
parent 4cdb203ec3
commit a34c053f0a
1 changed files with 35 additions and 5 deletions
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40
include/internal/catch_approx.hpp
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@ -40,16 +40,17 @@ namespace Detail {
return Approx( 0 ); return Approx( 0 );
} }
Approx operator()( double value ) { #if defined(CATCH_CONFIG_CPP11_TYPE_TRAITS)
Approx approx( value );
template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
Approx operator()( T value ) {
Approx approx( static_cast<double>(value) );
approx.epsilon( m_epsilon ); approx.epsilon( m_epsilon );
approx.margin( m_margin ); approx.margin( m_margin );
approx.scale( m_scale ); approx.scale( m_scale );
return approx; return approx;
} }
#if defined(CATCH_CONFIG_CPP11_TYPE_TRAITS)
template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type> template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
explicit Approx( T value ): Approx(static_cast<double>(value)) explicit Approx( T value ): Approx(static_cast<double>(value))
{} {}
@ -100,7 +101,36 @@ namespace Detail {
friend bool operator >= ( Approx const& lhs, T rhs ) { friend bool operator >= ( Approx const& lhs, T rhs ) {
return lhs.m_value > double(rhs) || lhs == rhs; return lhs.m_value > double(rhs) || lhs == rhs;
} }
template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
Approx& epsilon( T newEpsilon ) {
m_epsilon = double(newEpsilon);
return *this;
}
template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
Approx& margin( T newMargin ) {
m_margin = double(newMargin);
return *this;
}
template <typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
Approx& scale( T newScale ) {
m_scale = double(newScale);
return *this;
}
#else #else
Approx operator()( double value ) {
Approx approx( value );
approx.epsilon( m_epsilon );
approx.margin( m_margin );
approx.scale( m_scale );
return approx;
}
friend bool operator == ( double lhs, Approx const& rhs ) { friend bool operator == ( double lhs, Approx const& rhs ) {
// Thanks to Richard Harris for his help refining this formula // Thanks to Richard Harris for his help refining this formula
bool relativeOK = std::fabs( lhs - rhs.m_value ) < rhs.m_epsilon * (rhs.m_scale + (std::max)( std::fabs(lhs), std::fabs(rhs.m_value) ) ); bool relativeOK = std::fabs( lhs - rhs.m_value ) < rhs.m_epsilon * (rhs.m_scale + (std::max)( std::fabs(lhs), std::fabs(rhs.m_value) ) );
@ -137,7 +167,6 @@ namespace Detail {
friend bool operator >= ( Approx const& lhs, double rhs ) { friend bool operator >= ( Approx const& lhs, double rhs ) {
return lhs.m_value > rhs || lhs == rhs; return lhs.m_value > rhs || lhs == rhs;
} }
#endif
Approx& epsilon( double newEpsilon ) { Approx& epsilon( double newEpsilon ) {
m_epsilon = newEpsilon; m_epsilon = newEpsilon;
@ -153,6 +182,7 @@ namespace Detail {
m_scale = newScale; m_scale = newScale;
return *this; return *this;
} }
#endif
std::string toString() const { std::string toString() const {
std::ostringstream oss; std::ostringstream oss;