QUADRATURE_OPTION_TYPE(2RHEOLEF) - Linux man page online | System calls

Send options to the integrate function.

quadrature_option_type(2rheolef) rheolef-6.7 quadrature_option_type(2rheolef)


quadrature_option_type - send options to the integrate function


The quadrature_option_type class is used to send options to the integrate function see integrate(4). This class allows to set the family (Gauss, Gauss-Lobatto, etc) and the polynomial degree that is exactly integrated. A special family name, call equispaced, refers to an equispaced set of point, suitable for some irregular functions, e.g. the Heaviside function. In that case, the order parameter refers to the number of nodes used. For instance, order=1 refers to the trapezoidal for‐ mulae and for the general case, there are order+1 nodes per edges. See also the see quad‐ rature(2) for more on quadrature formulae.


class quadrature_option_type { public: // typedefs: typedef size_t size_type; typedef enum { gauss = 0, gauss_lobatto = 1, gauss_radau = 2, middle_edge = 3, superconvergent = 4, equispaced = 5, max_family = 6 } family_type; // update also family_name[] in // allocators: quadrature_option_type( family_type ft = quadrature_option_type::gauss, size_type k = std::numeric_limits<size_type>::max()); quadrature_option_type (const quadrature_option_type& qopt); quadrature_option_type& operator= (const quadrature_option_type& qopt); // accessors & modifiers: size_t get_order() const; family_type get_family() const; std::string get_family_name() const; void set_order (size_t r); void set_family (family_type type); void set_family (std::string name); // data: protected: family_type _family; size_t _order; };


integrate(4), quadrature(2)
rheolef-6.7 rheolef-6.7 quadrature_option_type(2rheolef)
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quadrature_option_type(2rheolef) referred by form_option_type(2rheolef) | functor(2rheolef) | integrate(4rheolef)
refer to integrate(4rheolef)
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