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https://github.com/vale981/arb
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39 lines
894 B
C
39 lines
894 B
C
/*
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Copyright (C) 2018 arbguest
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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 it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version. See <http://www.gnu.org/licenses/>.
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*/
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#include "acb_mat.h"
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int
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acb_mat_approx_solve(acb_mat_t X, const acb_mat_t A, const acb_mat_t B, slong prec)
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{
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int result;
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slong n, m, *perm;
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acb_mat_t LU;
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n = acb_mat_nrows(A);
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m = acb_mat_ncols(X);
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if (n == 0 || m == 0)
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return 1;
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perm = _perm_init(n);
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acb_mat_init(LU, n, n);
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result = acb_mat_approx_lu(perm, LU, A, prec);
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if (result)
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acb_mat_approx_solve_lu_precomp(X, perm, LU, B, prec);
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acb_mat_clear(LU);
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_perm_clear(perm);
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return result;
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}
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