11 #ifndef HEPMC3_FEATURE_H
12 #define HEPMC3_FEATURE_H
58 template<
typename Feature_type>
67 Feature_type
operator()(ConstGenParticlePtr input)
const {
75 return [value, functor](ConstGenParticlePtr input)->
bool{
return (*functor)(input) > value;};
81 return [value, functor](ConstGenParticlePtr input)->
bool{
return (*functor)(input) < value;};
88 return [value, functor](ConstGenParticlePtr input)->
bool{
return (*functor)(input) >= value;};
95 return [value, functor](ConstGenParticlePtr input)->
bool{
return (*functor)(input) <= value;};
102 return [value, functor](ConstGenParticlePtr input)->
bool{
return (*functor)(input) == value;};
109 return [value, functor](ConstGenParticlePtr input)->
bool{
return (*functor)(input) != value;};
161 template<
typename Feature_type,
typename Dummy =
void>
204 template<
typename Feature_type>
205 class Feature<Feature_type, typename std::enable_if<std::is_integral<Feature_type>::value, void>::type> :
public GenericFeature<Feature_type> {
235 return [value, functor](ConstGenParticlePtr input)->
bool{
return (*functor)(input) > value;};
241 return [value, functor](ConstGenParticlePtr input)->
bool{
return (*functor)(input) < value;};
247 return [value, functor](ConstGenParticlePtr input)->
bool{
248 Feature_type local = (*functor)(input);
249 return std::abs(local - value) < std::numeric_limits<double>::epsilon();
261 return !( (*this) == value );
274 template<
typename Feature_type>
275 class Feature<Feature_type, typename std::enable_if<std::is_floating_point<Feature_type>::value, void>::type> :
public GenericFeature<Feature_type> {
296 Evaluator_type absfunctor = [functor](ConstGenParticlePtr p)->Feature_type{
return std::abs((*functor)(p));};
302 return [value, functor](ConstGenParticlePtr input)->
bool{
303 Feature_type local = (*functor)(input);
304 return std::less_equal<Feature_type>{}(fabs(local - value) , std::numeric_limits<Feature_type>::epsilon());
309 return !( (*this) == value );
322 template<
typename Feature_type>