/usr/include/swiginac/matrix.i is in python-swiginac 1.5.1.1-1build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | /*
(c) Copyright 2003, 2004, 2005
Author: Ola Skavhaug and Ondrej Certik
This file is part of swiginac.
swiginac is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
swiginac is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with swiginac; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/** Symbolic matrices. */
class matrix : public basic
{
public:
matrix(unsigned r, unsigned c);
//matrix(unsigned r, unsigned c, const exvector & m2);
matrix(unsigned r, unsigned c, const lst & l);
//matrix(const lst & l);
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;
unsigned rows() const;
unsigned cols() const;
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;
ex & operator() (unsigned ro, unsigned co);
matrix & set(unsigned ro, unsigned co, const ex & value) { (*this)(ro, co) = value; return *this; }
matrix transpose() const;
ex determinant(unsigned algo = determinant_algo::automatic) const;
ex trace() const;
ex charpoly(const ex & lambda) const;
matrix inverse() const throw(std::runtime_error);
matrix solve(const matrix & vars, const matrix & rhs, unsigned algo = solve_algo::automatic) const;
unsigned rank() const;
%extend {
matrix(const lst & l) {
matrix *m = new matrix(ex_to<matrix>(lst_to_matrix(l)));
return m;
}
int __len__() {
return self->nops();
}
void __setitem__(int idx0, int idx1, ex &e) {
(*self)(idx0, idx1) = e;
}
ex __getitem__(int idx0, int idx1) {
return (*self)(idx0, idx1);
}
}
};
%pythoncode %{
def matrix2(x):
return lst_to_matrix(x)
%}
inline size_t nops(const matrix & m);
//inline ex expand(const matrix & m, unsigned options = 0);
inline ex eval(const matrix & m, int level = 0);
inline ex evalf(const matrix & m, int level = 0);
inline unsigned rows(const matrix & m);
inline unsigned cols(const matrix & m);
inline matrix transpose(const matrix & m);
inline ex determinant(const matrix & m, unsigned options = determinant_algo::automatic);
inline ex trace(const matrix & m);
inline ex charpoly(const matrix & m, const ex & lambda);
inline matrix inverse(const matrix & m);
inline unsigned rank(const matrix & m);
/** Specialization of is_exactly_a<matrix>(obj) for matrix objects. */
template<> inline bool is_exactly_a<matrix>(const basic & obj);
extern ex lst_to_matrix(const lst & l);
extern ex diag_matrix(const lst & l);
extern ex unit_matrix(unsigned r, unsigned c);
inline ex unit_matrix(unsigned x);
extern ex symbolic_matrix(unsigned r, unsigned c, const std::string & base_name, const std::string & tex_base_name);
inline ex symbolic_matrix(unsigned r, unsigned c, const std::string & base_name);
// vim:ft=cpp:
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