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/*
Copyright (C) 2010 Fredrik Johansson
This file is part of FLINT.
FLINT is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
*/
#include "fmpz.h"
#include "fmpz_vec.h"
#include "fmpz_mat.h"
int fmpz_mat_equal(const fmpz_mat_t mat1, const fmpz_mat_t mat2)
{
slong j;
if (mat1->r != mat2->r || mat1->c != mat2->c)
{
return 0;
}
if (mat1->r == 0 || mat1->c == 0)
return 1;
for (j = 0; j < mat1->r; j++)
{
if (!_fmpz_vec_equal(mat1->rows[j], mat2->rows[j], mat1->c))
{
return 0;
}
}
return 1;
}
int fmpz_mat_equal_col(fmpz_mat_t M, slong m, slong n)
{
slong i;
for (i = 0; i < M->r; i++)
{
if (!fmpz_equal(M->rows[i] + m, M->rows[i] + n))
return 0;
}
return 1;
}
int fmpz_mat_equal_row(fmpz_mat_t M, slong m, slong n)
{
slong i;
for (i = 0; i < M->c; i++)
{
if (!fmpz_equal(M->rows[m] + i, M->rows[n] + i))
return 0;
}
return 1;
}