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Provide a better std::enable_if<> solution

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Flössie
2016-11-10 18:04:06 +01:00
parent b3bc325934
commit 2d743bfe7f
1 changed files with 10 additions and 9 deletions
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19
rtengine/procparams.h
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@@ -218,21 +218,22 @@ public:
return *this; return *this;
} }
bool operator ==(const Threshold<T> &rhs) const template<typename U = T>
typename std::enable_if<std::is_floating_point<U>::value, bool>::type operator ==(const Threshold<U> &rhs) const
{ {
if (_isDouble) { if (_isDouble) {
return std::abs(value[0] - rhs.value[0]) < 1e-10 return std::fabs(value[0] - rhs.value[0]) < 1e-10
&& std::abs(value[1] - rhs.value[1]) < 1e-10 && std::fabs(value[1] - rhs.value[1]) < 1e-10
&& std::abs(value[2] - rhs.value[2]) < 1e-10 && std::fabs(value[2] - rhs.value[2]) < 1e-10
&& std::abs(value[3] - rhs.value[3]) < 1e-10; && std::fabs(value[3] - rhs.value[3]) < 1e-10;
} else { } else {
return std::abs(value[0] - rhs.value[0]) < 1e-10 return std::fabs(value[0] - rhs.value[0]) < 1e-10
&& std::abs(value[1] - rhs.value[1]) < 1e-10; && std::fabs(value[1] - rhs.value[1]) < 1e-10;
} }
} }
template<typename U = T, typename = typename std::enable_if<std::is_integral<U>::value>::type> template<typename U = T>
bool operator ==(const Threshold<T> &rhs) const typename std::enable_if<std::is_integral<U>::value, bool>::type operator ==(const Threshold<U> &rhs) const
{ {
if (_isDouble) { if (_isDouble) {
return return