common_persistence_representations.h File Reference

This file contain an implementation of some common procedures used in the Persistence_representations module. More...

Go to the source code of this file.

Namespaces
namespace	Gudhi
	Gudhi namespace.

Typedefs
using	Gudhi::Persistence_representations::Persistence_diagram = std::vector<std::pair<double, double> >

Functions
bool	Gudhi::Persistence_representations::almost_equal (double a, double b)
std::pair< double, double >	Gudhi::Persistence_representations::compute_parameters_of_a_line (const std::pair< double, double > &p1, const std::pair< double, double > &p2)
double	Gudhi::Persistence_representations::find_zero_of_a_line_segment_between_those_two_points (const std::pair< double, double > &p1, const std::pair< double, double > &p2)
double	Gudhi::Persistence_representations::function_value (const std::pair< double, double > &p1, const std::pair< double, double > &p2, double x)

Variables
constexpr double	Gudhi::Persistence_representations::pi = boost::math::constants::pi<double>()
double	Gudhi::Persistence_representations::epsi = 0.000005

Detailed Description

This file contain an implementation of some common procedures used in the Persistence_representations module.

Author

Pawel Dlotko

Function Documentation

find_zero_of_a_line_segment_between_those_two_points()

double Gudhi::Persistence_representations::find_zero_of_a_line_segment_between_those_two_points ( const std::pair< double, double > & p1, const std::pair< double, double > & p2 )

inline

This procedure, given two points which lies on the opposite sides of the \( x \)-axis, computes the value of \( x \) for which the line connecting those two points crosses the \( x \)-axis.