mirror of
https://github.com/vale981/arb
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44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
/*=============================================================================
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This file is part of ARB.
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ARB is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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ARB is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with ARB; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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=============================================================================*/
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/******************************************************************************
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Copyright (C) 2012 Fredrik Johansson
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******************************************************************************/
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#include "arb_mat.h"
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int
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arb_mat_inv(arb_mat_t X, const arb_mat_t A, slong prec)
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{
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if (X == A)
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{
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int r;
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arb_mat_t T;
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arb_mat_init(T, arb_mat_nrows(A), arb_mat_ncols(A));
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r = arb_mat_inv(T, A, prec);
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arb_mat_swap(T, X);
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arb_mat_clear(T);
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return r;
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}
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arb_mat_one(X);
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return arb_mat_solve(X, A, X, prec);
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}
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