64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
/*=============================================================================
|
|
|
|
This file is part of FLINT.
|
|
|
|
FLINT 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.
|
|
|
|
FLINT 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 FLINT; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
=============================================================================*/
|
|
/******************************************************************************
|
|
|
|
Copyright (C) 2012 Sebastian Pancratz
|
|
|
|
******************************************************************************/
|
|
|
|
#include "padic_mat.h"
|
|
|
|
void padic_mat_get_fmpq_mat(fmpq_mat_t B,
|
|
const padic_mat_t A, const padic_ctx_t ctx)
|
|
{
|
|
if (!padic_mat_is_empty(A))
|
|
{
|
|
if (padic_mat_is_zero(A))
|
|
{
|
|
fmpq_mat_zero(B);
|
|
}
|
|
else
|
|
{
|
|
fmpz_t f;
|
|
slong i, j;
|
|
|
|
fmpz_init(f);
|
|
fmpz_pow_ui(f, ctx->p, FLINT_ABS(padic_mat_val(A)));
|
|
for (i = 0; i < B->r; i++)
|
|
for (j = 0; j < B->c; j++)
|
|
{
|
|
if (padic_mat_val(A) >= 0)
|
|
{
|
|
fmpz_mul(fmpq_mat_entry_num(B, i, j), padic_mat_entry(A, i, j), f);
|
|
fmpz_one(fmpq_mat_entry_den(B, i, j));
|
|
}
|
|
else
|
|
{
|
|
fmpz_set(fmpq_mat_entry_num(B, i, j), padic_mat_entry(A, i, j));
|
|
fmpz_set(fmpq_mat_entry_den(B, i, j), f);
|
|
fmpq_canonicalise(fmpq_mat_entry(B, i, j));
|
|
}
|
|
}
|
|
fmpz_clear(f);
|
|
}
|
|
}
|
|
}
|
|
|