Class const_matrix_view_table (o2scl)

O2scl : Class List

template<class vec_t = std::vector<double>>
class o2scl::const_matrix_view_table : public o2scl::const_matrix_view

View a o2scl::table object as a matrix.

Note

This stores a pointer to the table and the user must ensure that the pointer is valid with the matrix view is accessed.

Public Functions

const_matrix_view_table()

Create a matrix view object from the specified table and list of columns.

const_matrix_view_table(o2scl::table<vec_t> &t, std::vector<std::string> cols)

Create a matrix view object from the specified table and list of columns.

void set(o2scl::table<vec_t> &t, std::vector<std::string> cols)

Create a matrix view object from the specified table and list of columns.

size_t size1()

Return the number of rows.

size_t size2()

Return the number of columns.

const double &operator()(size_t row, size_t col) const

Return a reference to the element at row row and column col.

Protected Attributes

size_t nc

The number of columns.

size_t nlines

The number of lines in the table.

std::vector<const vec_t*> col_ptrs

Pointers to each column.

Friends

friend void swap(const_matrix_view_table &t1, const_matrix_view_table &t2)

Swap method.