55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
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/*=============================================================================
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This file is part of FLINT.
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FLINT 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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FLINT 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) 2010 William Hart
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******************************************************************************/
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#include <stdlib.h>
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#include <gmp.h>
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#include <mpfr.h>
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#include "flint.h"
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#include "mpfr_mat.h"
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void
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mpfr_mat_init(mpfr_mat_t mat, slong rows, slong cols, mpfr_prec_t prec)
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{
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if ((rows) && (cols)) /* Allocate space for r*c small entries */
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{
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slong i;
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mat->entries =
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(__mpfr_struct *) flint_malloc(rows * cols * sizeof(__mpfr_struct));
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mat->rows = (__mpfr_struct **) flint_malloc(rows * sizeof(__mpfr_struct *)); /* Initialise rows */
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for (i = 0; i < rows * cols; i++)
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mpfr_init2(mat->entries + i, prec);
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for (i = 0; i < rows; i++)
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mat->rows[i] = mat->entries + i * cols;
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}
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else
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mat->entries = NULL;
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mat->r = rows;
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mat->c = cols;
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mat->prec = prec;
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}
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