mirror of
https://github.com/vale981/arb
synced 2025-03-05 09:21:38 -05:00
63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
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/*=============================================================================
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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 FLINT; 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) 2016 Arb authors
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******************************************************************************/
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#include "arb_mat.h"
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void
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_arb_mat_entrywise_nonzero_round_up(fmpz_mat_t A, const arb_mat_t src)
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{
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slong i, j;
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fmpz_mat_zero(A);
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for (i = 0; i < arb_mat_nrows(src); i++)
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{
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for (j = 0; j < arb_mat_ncols(src); j++)
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{
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if (!arb_is_zero(arb_mat_entry(src, i, j)))
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{
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fmpz_one(fmpz_mat_entry(A, i, j));
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}
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}
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}
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}
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slong
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_arb_mat_count_nonzero_round_up(const arb_mat_t src)
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{
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slong nnz;
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slong i, j;
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nnz = 0;
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for (i = 0; i < arb_mat_nrows(src); i++)
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{
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for (j = 0; j < arb_mat_ncols(src); j++)
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{
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if (!arb_is_zero(arb_mat_entry(src, i, j)))
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{
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nnz++;
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}
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}
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}
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return nnz;
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}
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