arb/acb_mat/inv.c
Fredrik Johansson a1525656cf complex matrices
2014-05-15 19:56:11 +02:00

44 lines
1.4 KiB
C

/*=============================================================================
This file is part of ARB.
ARB 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.
ARB 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 ARB; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2012 Fredrik Johansson
******************************************************************************/
#include "acb_mat.h"
int
acb_mat_inv(acb_mat_t X, const acb_mat_t A, long prec)
{
if (X == A)
{
int r;
acb_mat_t T;
acb_mat_init(T, acb_mat_nrows(A), acb_mat_ncols(A));
r = acb_mat_inv(T, A, prec);
acb_mat_swap(T, X);
acb_mat_clear(T);
return r;
}
acb_mat_one(X);
return acb_mat_solve(X, A, X, prec);
}