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https://github.com/vale981/arb
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34 lines
886 B
C
34 lines
886 B
C
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/*
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Copyright (C) 2018 Fredrik Johansson
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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_eig_multiple(acb_ptr E, const acb_mat_t A, acb_srcptr E_approx, const acb_mat_t R_approx, slong prec)
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{
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slong n;
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acb_ptr F;
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int success;
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n = arb_mat_nrows(A);
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F = _acb_vec_init(n);
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success = acb_mat_eig_simple_vdhoeven_mourrain(F, NULL, NULL, A, E_approx, R_approx, prec);
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if (!success)
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success = acb_mat_eig_multiple_rump(F, A, E_approx, R_approx, prec);
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_acb_vec_set(E, F, n);
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_acb_vec_clear(F, n);
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return success;
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}
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