diff options
Diffstat (limited to 'src/Coxeter_triangulation/include/gudhi/Functions/Function_moment_curve_in_Rd.h')
-rw-r--r-- | src/Coxeter_triangulation/include/gudhi/Functions/Function_moment_curve_in_Rd.h | 96 |
1 files changed, 45 insertions, 51 deletions
diff --git a/src/Coxeter_triangulation/include/gudhi/Functions/Function_moment_curve_in_Rd.h b/src/Coxeter_triangulation/include/gudhi/Functions/Function_moment_curve_in_Rd.h index d44cdf70..11b379f3 100644 --- a/src/Coxeter_triangulation/include/gudhi/Functions/Function_moment_curve_in_Rd.h +++ b/src/Coxeter_triangulation/include/gudhi/Functions/Function_moment_curve_in_Rd.h @@ -25,57 +25,51 @@ namespace coxeter_triangulation { * in the d-dimensional Euclidean space. */ struct Function_moment_curve_in_Rd { -public: - /** \brief Value of the function at a specified point. - * @param[in] p The input point. The dimension needs to coincide with the ambient dimension. - */ - Eigen::VectorXd operator()(const Eigen::VectorXd& p) const { - Eigen::VectorXd result(k_); - for (std::size_t i = 1; i < d_; ++i) result(i - 1) = p(i) - p(0) * p(i - 1); - return result; - } - - /** \brief Returns the domain (ambient) dimension.. */ - std::size_t amb_d() const { return d_; }; - - /** \brief Returns the codomain dimension. */ - std::size_t cod_d() const { return k_; }; - - /** \brief Returns a point on the moment curve. */ - Eigen::VectorXd seed() const { - Eigen::VectorXd result = Eigen::VectorXd::Zero(d_); - return result; - } - - /** @brief Returns the radius of the moment curve. */ - double get_radius() const{ - return r_; - } - - /** - * \brief Constructor of the function that defines an implicit moment curve - * in the d-dimensional Euclidean space. - * - * @param[in] r Numerical parameter. - * @param[in] d The ambient dimension. - */ - Function_moment_curve_in_Rd(double r, std::size_t d) : k_(d - 1), d_(d), r_(r) {} - - /** - * \brief Constructor of the function that defines an implicit moment curve - * in the d-dimensional Euclidean space. - * - * @param[in] r Numerical parameter. - * @param[in] d The ambient dimension. - * @param[in] offset The offset of the moment curve. - */ - Function_moment_curve_in_Rd(double r, std::size_t d, Eigen::VectorXd& offset) - : k_(d - 1), d_(d), r_(r), off_(offset) {} - -private: - std::size_t k_, d_; - double r_; - Eigen::VectorXd off_; + /** \brief Value of the function at a specified point. + * @param[in] p The input point. The dimension needs to coincide with the ambient dimension. + */ + Eigen::VectorXd operator()(const Eigen::VectorXd& p) const { + Eigen::VectorXd result(k_); + for (std::size_t i = 1; i < d_; ++i) result(i - 1) = p(i) - p(0) * p(i - 1); + return result; + } + + /** \brief Returns the domain (ambient) dimension.. */ + std::size_t amb_d() const { return d_; }; + + /** \brief Returns the codomain dimension. */ + std::size_t cod_d() const { return k_; }; + + /** \brief Returns a point on the moment curve. */ + Eigen::VectorXd seed() const { + Eigen::VectorXd result = Eigen::VectorXd::Zero(d_); + return result; + } + + /** + * \brief Constructor of the function that defines an implicit moment curve + * in the d-dimensional Euclidean space. + * + * @param[in] r Numerical parameter. + * @param[in] d The ambient dimension. + */ + Function_moment_curve_in_Rd(double r, std::size_t d) : m_(1), k_(d - 1), d_(d), r_(r) {} + + /** + * \brief Constructor of the function that defines an implicit moment curve + * in the d-dimensional Euclidean space. + * + * @param[in] r Numerical parameter. + * @param[in] d The ambient dimension. + * @param[in] offset The offset of the moment curve. + */ + Function_moment_curve_in_Rd(double r, std::size_t d, Eigen::VectorXd& offset) + : m_(1), k_(d - 1), d_(d), r_(r), off_(offset) {} + + private: + std::size_t m_, k_, d_; + double r_; + Eigen::VectorXd off_; }; } // namespace coxeter_triangulation |