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/*
Copyright (C) 2010 William Hart
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 "long_extras.h"
#include "fmpz_mat.h"
void fmpz_mat_init(fmpz_mat_t mat, slong rows, slong cols)
{
mat->r = rows;
mat->c = cols;
mat->stride = cols;
mat->entries = NULL;
if (rows != 0 && cols != 0)
{
slong num;
if (z_mul_checked(&num, rows, cols))
flint_throw(FLINT_ERROR, "Overflow creating a %wd x %wd object\n", rows, cols);
mat->entries = flint_calloc(num, sizeof(fmpz));
}
}
void
fmpz_mat_init_set(fmpz_mat_t mat, const fmpz_mat_t src)
{
fmpz_mat_init(mat, src->r, src->c);
fmpz_mat_set(mat, src);
}