is_zero.hpp File Reference

#include <cmath>
#include <type_traits>

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Namespaces
	alps
	alps::numeric

Functions
template<unsigned int N, class T >
bool	alps::numeric::is_zero (T x, typename std::enable_if< std::is_arithmetic< T >::value >::type *=0, typename std::enable_if< std::is_float< T >::value >::type *=0)
	checks if a number is zero in case of a floating point number, absolute values less than epsilon (1e-50 by default) count as zero More...
template<unsigned int N, class T >
bool	alps::numeric::is_zero (T x, typename std::enable_if< std::is_arithmetic< T >::value >::type *=0, typename std::enable_if< std::is_integral< T >::value >::type *=0)
template<unsigned int N, class T >
bool	alps::numeric::is_zero (const T &x, typename std::enable_if<!std::is_arithmetic< T >::value >::type *=0)
template<class T >
bool	alps::numeric::is_zero (T x, typename std::enable_if< std::is_arithmetic< T >::value >::type *=0, typename std::enable_if< std::is_float< T >::value >::type *=0)
template<class T >
bool	alps::numeric::is_zero (T x, typename std::enable_if< std::is_arithmetic< T >::value >::type *=0, typename std::enable_if< std::is_integral< T >::value >::type *=0)
template<class T >
bool	alps::numeric::is_zero (const T &x, typename std::enable_if<!std::is_arithmetic< T >::value >::type *=0)
template<class T >
bool	alps::numeric::is_zero (const std::complex< T > &x)