#include "basic.h"
#include "ex.h"
-#ifndef NO_NAMESPACE_GINAC
namespace GiNaC {
-#endif // ndef NO_NAMESPACE_GINAC
/** Symbolic matrices. */
class matrix : public basic
{
GINAC_DECLARE_REGISTERED_CLASS(matrix, basic)
-
-// friends
-// (none)
-// member functions
-
- // default constructor, destructor, copy constructor, assignment operator
- // and helpers:
-public:
- matrix();
- ~matrix();
- matrix(const matrix & other);
- const matrix & operator=(const matrix & other);
-protected:
- void copy(const matrix & other);
- void destroy(bool call_parent);
-
- // other constructors
+
+ // other ctors
public:
matrix(unsigned r, unsigned c);
matrix(unsigned r, unsigned c, const exvector & m2);
-
- // functions overriding virtual functions from bases classes
+ matrix(unsigned r, unsigned c, const lst & l);
+
+ // functions overriding virtual functions from base classes
public:
- basic * duplicate() const;
- void print(std::ostream & os, unsigned upper_precedence=0) const;
- void printraw(std::ostream & os) const;
+ void print(const print_context & c, unsigned level = 0) const;
unsigned nops() const;
ex op(int i) const;
ex & let_op(int i);
- ex expand(unsigned options=0) const;
- bool has(const ex & other) const;
ex eval(int level=0) const;
- ex evalf(int level=0) const;
- // ex subs(const lst & ls, const lst & lr) const;
+ ex evalm(void) const {return *this;}
+ ex subs(const lst & ls, const lst & lr, bool no_pattern = false) const;
+ ex eval_indexed(const basic & i) const;
+ ex add_indexed(const ex & self, const ex & other) const;
+ ex scalar_mul_indexed(const ex & self, const numeric & other) const;
+ bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const;
+
protected:
- int compare_same_type(const basic & other) const;
+ bool match_same_type(const basic & other) const;
unsigned return_type(void) const { return return_types::noncommutative; };
- // new virtual functions which can be overridden by derived classes
- // (none)
// non-virtual functions in this class
public:
- unsigned rows(void) const //! Get number of rows.
+ unsigned rows(void) const /// Get number of rows.
{ return row; }
- unsigned cols(void) const //! Get number of columns.
+ unsigned cols(void) const /// Get number of columns.
{ return col; }
matrix add(const matrix & other) const;
matrix sub(const matrix & other) const;
matrix mul(const matrix & other) const;
+ matrix mul(const numeric & other) const;
+ matrix mul_scalar(const ex & other) const;
+ matrix pow(const ex & expn) const;
const ex & operator() (unsigned ro, unsigned co) const;
- matrix & set(unsigned ro, unsigned co, ex value);
+ ex & operator() (unsigned ro, unsigned co);
+ matrix & set(unsigned ro, unsigned co, const ex & value) { (*this)(ro, co) = value; return *this; }
matrix transpose(void) const;
ex determinant(unsigned algo = determinant_algo::automatic) const;
ex trace(void) const;
// member variables
protected:
- unsigned row; /**< number of rows */
- unsigned col; /**< number of columns */
- exvector m; /**< representation (cols indexed first) */
- static unsigned precedence;
+ unsigned row; ///< number of rows
+ unsigned col; ///< number of columns
+ exvector m; ///< representation (cols indexed first)
};
inline ex expand(const matrix & m, unsigned options = 0)
{ return m.expand(options); }
-inline bool has(const matrix & m, const ex & other)
-{ return m.has(other); }
-
inline ex eval(const matrix & m, int level = 0)
{ return m.eval(level); }
{ return m.inverse(); }
// utility functions
-inline const matrix &ex_to_matrix(const ex &e)
+
+/** Specialization of is_exactly_a<matrix>(obj) for matrix objects. */
+template<> inline bool is_exactly_a<matrix>(const basic & obj)
{
- return static_cast<const matrix &>(*e.bp);
+ return obj.tinfo()==TINFO_matrix;
}
-extern ex lst_to_matrix(const ex &l);
+/** Convert list of lists to matrix. */
+extern ex lst_to_matrix(const lst & l);
+
+/** Convert list of diagonal elements to matrix. */
+extern ex diag_matrix(const lst & l);
-#ifndef NO_NAMESPACE_GINAC
} // namespace GiNaC
-#endif // ndef NO_NAMESPACE_GINAC
#endif // ndef __GINAC_MATRIX_H__