X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fmatrix.h;h=96072392d9ec3592a645f436105a7ee4c8721ad5;hp=3941d3c5bd21630dcb9ca58493fbe9c990ef07fd;hb=a58e540b7d534d64c1c87cc253b3cf40bf58df06;hpb=a8c81ff424cab3ac522a71665b0eda55a8ca2f4d diff --git a/ginac/matrix.h b/ginac/matrix.h index 3941d3c5..96072392 100644 --- a/ginac/matrix.h +++ b/ginac/matrix.h @@ -3,7 +3,7 @@ * Interface to symbolic matrices */ /* - * GiNaC Copyright (C) 1999-2005 Johannes Gutenberg University Mainz, Germany + * GiNaC Copyright (C) 1999-2007 Johannes Gutenberg University Mainz, Germany * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -121,6 +121,8 @@ public: ex scalar_mul_indexed(const ex & self, const numeric & other) const; bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const; ex conjugate() const; + ex real_part() const; + ex imag_part() const; protected: bool match_same_type(const basic & other) const; @@ -149,6 +151,7 @@ public: matrix solve(const matrix & vars, const matrix & rhs, unsigned algo = solve_algo::automatic) const; unsigned rank() const; + bool is_zero_matrix() const; protected: ex determinant_minor() const; int gauss_elimination(const bool det = false); @@ -209,12 +212,6 @@ inline unsigned rank(const matrix & m) // utility functions -/** Specialization of is_exactly_a(obj) for matrix objects. */ -template<> inline bool is_exactly_a(const basic & obj) -{ - return obj.tinfo()==TINFO_matrix; -} - /** Convert list of lists to matrix. */ extern ex lst_to_matrix(const lst & l);