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https://github.com/vale981/arb
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110 lines
3 KiB
C
110 lines
3 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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#ifndef FMPRB_MAT_H
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#define FMPRB_MAT_H
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#include "fmprb.h"
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#include "fmpz_mat.h"
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#include "fmpq_mat.h"
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#include "perm.h"
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typedef struct
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{
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fmprb_struct * entries;
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long r;
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long c;
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fmprb_struct ** rows;
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}
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fmprb_mat_struct;
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typedef fmprb_mat_struct fmprb_mat_t[1];
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#define fmprb_mat_entry(mat,i,j) ((mat)->rows[i] + (j))
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#define fmprb_mat_nrows(mat) ((mat)->r)
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#define fmprb_mat_ncols(mat) ((mat)->c)
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/* Memory management */
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void fmprb_mat_init(fmprb_mat_t mat, long r, long c);
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void fmprb_mat_clear(fmprb_mat_t mat);
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static __inline__ void
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fmprb_mat_swap(fmprb_mat_t mat1, fmprb_mat_t mat2)
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{
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fmprb_mat_struct t = *mat1;
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*mat1 = *mat2;
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*mat2 = t;
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}
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/* Conversions */
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void fmprb_mat_set(fmprb_mat_t dest, const fmprb_mat_t src);
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void fmprb_mat_set_fmpz_mat(fmprb_mat_t dest, const fmpz_mat_t src);
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void fmprb_mat_set_fmpq_mat(fmprb_mat_t dest, const fmpq_mat_t src, long prec);
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/* I/O */
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void fmprb_mat_printd(const fmprb_mat_t mat, long digits);
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/* Comparisons */
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int fmprb_mat_equal(const fmprb_mat_t mat1, const fmprb_mat_t mat2);
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int fmprb_mat_contains_fmpq_mat(const fmprb_mat_t mat1, const fmpq_mat_t mat2);
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/* Special matrices */
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void fmprb_mat_zero(fmprb_mat_t mat);
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void fmprb_mat_one(fmprb_mat_t mat);
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/* Arithmetic */
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void fmprb_mat_neg(fmprb_mat_t dest, const fmprb_mat_t src);
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void fmprb_mat_add(fmprb_mat_t res, const fmprb_mat_t mat1, const fmprb_mat_t mat2, long prec);
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void fmprb_mat_sub(fmprb_mat_t res, const fmprb_mat_t mat1, const fmprb_mat_t mat2, long prec);
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void fmprb_mat_mul(fmprb_mat_t res, const fmprb_mat_t mat1, const fmprb_mat_t mat2, long prec);
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/* Solving */
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int fmprb_mat_lu(long * P, fmprb_mat_t LU, const fmprb_mat_t A, long prec);
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void fmprb_mat_solve_lu_precomp(fmprb_mat_t X, const long * perm,
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const fmprb_mat_t A, const fmprb_mat_t B, long prec);
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int fmprb_mat_solve(fmprb_mat_t X, const fmprb_mat_t A, const fmprb_mat_t B, long prec);
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int fmprb_mat_inv(fmprb_mat_t X, const fmprb_mat_t A, long prec);
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#endif
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