pqc/external/flint-2.4.3/fmpq_mat.h

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2014-05-18 22:03:37 +00:00
/*=============================================================================
This file is part of FLINT.
FLINT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FLINT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2011 Fredrik Johansson
******************************************************************************/
#ifndef FMPQ_MAT_H
#define FMPQ_MAT_H
#include <gmp.h>
#include "flint.h"
#include "fmpz.h"
#include "fmpz_mat.h"
#include "fmpq.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct
{
fmpq * entries;
slong r;
slong c;
fmpq ** rows;
} fmpq_mat_struct;
typedef fmpq_mat_struct fmpq_mat_t[1];
#define fmpq_mat_entry(mat,i,j) ((mat)->rows[(i)] + (j))
#define fmpq_mat_entry_num(mat,i,j) ((fmpz *)(&((*fmpq_mat_entry(mat,i,j)).num)))
#define fmpq_mat_entry_den(mat,i,j) ((fmpz *)(&((*fmpq_mat_entry(mat,i,j)).den)))
#define fmpq_mat_nrows(mat) ((mat)->r)
#define fmpq_mat_ncols(mat) ((mat)->c)
void fmpq_mat_init(fmpq_mat_t mat, slong rows, slong cols);
void fmpq_mat_clear(fmpq_mat_t mat);
void fmpq_mat_print(const fmpq_mat_t mat);
/* Random matrix generation **************************************************/
void fmpq_mat_randbits(fmpq_mat_t mat, flint_rand_t state, mp_bitcnt_t bits);
void fmpq_mat_randtest(fmpq_mat_t mat, flint_rand_t state, mp_bitcnt_t bits);
/* Special matrices **********************************************************/
void fmpq_mat_hilbert_matrix(fmpq_mat_t mat);
/* Basic assignment **********************************************************/
void fmpq_mat_set(fmpq_mat_t dest, const fmpq_mat_t src);
void fmpq_mat_zero(fmpq_mat_t mat);
void fmpq_mat_one(fmpq_mat_t mat);
void fmpq_mat_transpose(fmpq_mat_t rop, const fmpq_mat_t op);
/* Addition, scalar multiplication ******************************************/
void fmpq_mat_add(fmpq_mat_t mat, const fmpq_mat_t mat1, const fmpq_mat_t mat2);
void fmpq_mat_sub(fmpq_mat_t mat, const fmpq_mat_t mat1, const fmpq_mat_t mat2);
void fmpq_mat_neg(fmpq_mat_t rop, const fmpq_mat_t op);
void fmpq_mat_scalar_mul_fmpz(fmpq_mat_t rop, const fmpq_mat_t op, const fmpz_t x);
void fmpq_mat_scalar_div_fmpz(fmpq_mat_t rop, const fmpq_mat_t op, const fmpz_t x);
/* Basic comparison and properties *******************************************/
int fmpq_mat_equal(const fmpq_mat_t mat1, const fmpq_mat_t mat2);
int fmpq_mat_is_integral(const fmpq_mat_t mat);
int fmpq_mat_is_zero(const fmpq_mat_t mat);
static __inline__ int
fmpq_mat_is_empty(const fmpq_mat_t mat)
{
return (mat->r == 0) || (mat->c == 0);
}
static __inline__ int
fmpq_mat_is_square(const fmpq_mat_t mat)
{
return (mat->r == mat->c);
}
/* Integer matrix conversion *************************************************/
int fmpq_mat_get_fmpz_mat(fmpz_mat_t dest, const fmpq_mat_t mat);
void fmpq_mat_get_fmpz_mat_entrywise(fmpz_mat_t num, fmpz_mat_t den,
const fmpq_mat_t mat);
void fmpq_mat_get_fmpz_mat_matwise(fmpz_mat_t num, fmpz_t den,
const fmpq_mat_t mat);
void fmpq_mat_get_fmpz_mat_rowwise(fmpz_mat_t num, fmpz * den,
const fmpq_mat_t mat);
void fmpq_mat_get_fmpz_mat_colwise(fmpz_mat_t num, fmpz * den,
const fmpq_mat_t mat);
void fmpq_mat_get_fmpz_mat_rowwise_2(fmpz_mat_t num, fmpz_mat_t num2,
fmpz * den, const fmpq_mat_t mat, const fmpq_mat_t mat2);
void fmpq_mat_get_fmpz_mat_mod_fmpz(fmpz_mat_t dest, const fmpq_mat_t mat,
const fmpz_t mod);
void fmpq_mat_set_fmpz_mat(fmpq_mat_t dest, const fmpz_mat_t src);
void fmpq_mat_set_fmpz_mat_div_fmpz(fmpq_mat_t X, const fmpz_mat_t Xmod,
const fmpz_t div);
int fmpq_mat_set_fmpz_mat_mod_fmpz(fmpq_mat_t X, const fmpz_mat_t Xmod,
const fmpz_t mod);
/* Matrix multiplication *****************************************************/
void fmpq_mat_mul_direct(fmpq_mat_t C, const fmpq_mat_t A, const fmpq_mat_t B);
void fmpq_mat_mul_cleared(fmpq_mat_t C, const fmpq_mat_t A,
const fmpq_mat_t B);
void fmpq_mat_mul(fmpq_mat_t C, const fmpq_mat_t A, const fmpq_mat_t B);
void fmpq_mat_mul_fmpz_mat(fmpq_mat_t C, const fmpq_mat_t A,
const fmpz_mat_t B);
void fmpq_mat_mul_r_fmpz_mat(fmpq_mat_t C, const fmpz_mat_t A,
const fmpq_mat_t B);
/* Trace *********************************************************************/
void fmpq_mat_trace(fmpq_t trace, const fmpq_mat_t mat);
/* Determinant ***************************************************************/
void fmpq_mat_det(fmpq_t det, const fmpq_mat_t mat);
/* Nonsingular solving *******************************************************/
int fmpq_mat_solve_fraction_free(fmpq_mat_t X, const fmpq_mat_t A,
const fmpq_mat_t B);
int fmpq_mat_solve_dixon(fmpq_mat_t X, const fmpq_mat_t A, const fmpq_mat_t B);
/* Inverse *******************************************************************/
int fmpq_mat_inv(fmpq_mat_t B, const fmpq_mat_t A);
/* Echelon form **************************************************************/
int fmpq_mat_pivot(slong * perm, fmpq_mat_t mat, slong r, slong c);
slong fmpq_mat_rref_classical(fmpq_mat_t B, const fmpq_mat_t A);
slong fmpq_mat_rref_fraction_free(fmpq_mat_t B, const fmpq_mat_t A);
slong fmpq_mat_rref(fmpq_mat_t B, const fmpq_mat_t A);
#ifdef __cplusplus
}
#endif
#endif