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/* matrix/gsl_matrix_double.h
*
* Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Gerard Jungman, Brian Gough
*
* This program 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 3 of the License, or (at
* your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __GSL_MATRIX_DOUBLE_H__
#define __GSL_MATRIX_DOUBLE_H__
#include <stdlib.h>
#include <gsl/gsl_types.h>
#include <gsl/gsl_errno.h>
#include <gsl/gsl_inline.h>
#include <gsl/gsl_check_range.h>
#include <gsl/gsl_vector_double.h>
#undef __BEGIN_DECLS
#undef __END_DECLS
#ifdef __cplusplus
# define __BEGIN_DECLS extern "C" {
# define __END_DECLS }
#else
# define __BEGIN_DECLS /* empty */
# define __END_DECLS /* empty */
#endif
__BEGIN_DECLS
typedef struct
{
size_t size1;
size_t size2;
size_t tda;
double * data;
gsl_block * block;
int owner;
} gsl_matrix;
typedef struct
{
gsl_matrix matrix;
} _gsl_matrix_view;
typedef _gsl_matrix_view gsl_matrix_view;
typedef struct
{
gsl_matrix matrix;
} _gsl_matrix_const_view;
typedef const _gsl_matrix_const_view gsl_matrix_const_view;
/* Allocation */
gsl_matrix *
gsl_matrix_alloc (const size_t n1, const size_t n2);
gsl_matrix *
gsl_matrix_calloc (const size_t n1, const size_t n2);
gsl_matrix *
gsl_matrix_alloc_from_block (gsl_block * b,
const size_t offset,
const size_t n1,
const size_t n2,
const size_t d2);
gsl_matrix *
gsl_matrix_alloc_from_matrix (gsl_matrix * m,
const size_t k1,
const size_t k2,
const size_t n1,
const size_t n2);
gsl_vector *
gsl_vector_alloc_row_from_matrix (gsl_matrix * m,
const size_t i);
gsl_vector *
gsl_vector_alloc_col_from_matrix (gsl_matrix * m,
const size_t j);
void gsl_matrix_free (gsl_matrix * m);
/* Views */
_gsl_matrix_view
gsl_matrix_submatrix (gsl_matrix * m,
const size_t i, const size_t j,
const size_t n1, const size_t n2);
_gsl_vector_view
gsl_matrix_row (gsl_matrix * m, const size_t i);
_gsl_vector_view
gsl_matrix_column (gsl_matrix * m, const size_t j);
_gsl_vector_view
gsl_matrix_diagonal (gsl_matrix * m);
_gsl_vector_view
gsl_matrix_subdiagonal (gsl_matrix * m, const size_t k);
_gsl_vector_view
gsl_matrix_superdiagonal (gsl_matrix * m, const size_t k);
_gsl_vector_view
gsl_matrix_subrow (gsl_matrix * m, const size_t i,
const size_t offset, const size_t n);
_gsl_vector_view
gsl_matrix_subcolumn (gsl_matrix * m, const size_t j,
const size_t offset, const size_t n);
_gsl_matrix_view
gsl_matrix_view_array (double * base,
const size_t n1,
const size_t n2);
_gsl_matrix_view
gsl_matrix_view_array_with_tda (double * base,
const size_t n1,
const size_t n2,
const size_t tda);
_gsl_matrix_view
gsl_matrix_view_vector (gsl_vector * v,
const size_t n1,
const size_t n2);
_gsl_matrix_view
gsl_matrix_view_vector_with_tda (gsl_vector * v,
const size_t n1,
const size_t n2,
const size_t tda);
_gsl_matrix_const_view
gsl_matrix_const_submatrix (const gsl_matrix * m,
const size_t i, const size_t j,
const size_t n1, const size_t n2);
_gsl_vector_const_view
gsl_matrix_const_row (const gsl_matrix * m,
const size_t i);
_gsl_vector_const_view
gsl_matrix_const_column (const gsl_matrix * m,
const size_t j);
_gsl_vector_const_view
gsl_matrix_const_diagonal (const gsl_matrix * m);
_gsl_vector_const_view
gsl_matrix_const_subdiagonal (const gsl_matrix * m,
const size_t k);
_gsl_vector_const_view
gsl_matrix_const_superdiagonal (const gsl_matrix * m,
const size_t k);
_gsl_vector_const_view
gsl_matrix_const_subrow (const gsl_matrix * m, const size_t i,
const size_t offset, const size_t n);
_gsl_vector_const_view
gsl_matrix_const_subcolumn (const gsl_matrix * m, const size_t j,
const size_t offset, const size_t n);
_gsl_matrix_const_view
gsl_matrix_const_view_array (const double * base,
const size_t n1,
const size_t n2);
_gsl_matrix_const_view
gsl_matrix_const_view_array_with_tda (const double * base,
const size_t n1,
const size_t n2,
const size_t tda);
_gsl_matrix_const_view
gsl_matrix_const_view_vector (const gsl_vector * v,
const size_t n1,
const size_t n2);
_gsl_matrix_const_view
gsl_matrix_const_view_vector_with_tda (const gsl_vector * v,
const size_t n1,
const size_t n2,
const size_t tda);
/* Operations */
void gsl_matrix_set_zero (gsl_matrix * m);
void gsl_matrix_set_identity (gsl_matrix * m);
void gsl_matrix_set_all (gsl_matrix * m, double x);
int gsl_matrix_fread (FILE * stream, gsl_matrix * m) ;
int gsl_matrix_fwrite (FILE * stream, const gsl_matrix * m) ;
int gsl_matrix_fscanf (FILE * stream, gsl_matrix * m);
int gsl_matrix_fprintf (FILE * stream, const gsl_matrix * m, const char * format);
int gsl_matrix_memcpy(gsl_matrix * dest, const gsl_matrix * src);
int gsl_matrix_swap(gsl_matrix * m1, gsl_matrix * m2);
int gsl_matrix_swap_rows(gsl_matrix * m, const size_t i, const size_t j);
int gsl_matrix_swap_columns(gsl_matrix * m, const size_t i, const size_t j);
int gsl_matrix_swap_rowcol(gsl_matrix * m, const size_t i, const size_t j);
int gsl_matrix_transpose (gsl_matrix * m);
int gsl_matrix_transpose_memcpy (gsl_matrix * dest, const gsl_matrix * src);
double gsl_matrix_max (const gsl_matrix * m);
double gsl_matrix_min (const gsl_matrix * m);
void gsl_matrix_minmax (const gsl_matrix * m, double * min_out, double * max_out);
void gsl_matrix_max_index (const gsl_matrix * m, size_t * imax, size_t *jmax);
void gsl_matrix_min_index (const gsl_matrix * m, size_t * imin, size_t *jmin);
void gsl_matrix_minmax_index (const gsl_matrix * m, size_t * imin, size_t * jmin, size_t * imax, size_t * jmax);
int gsl_matrix_equal (const gsl_matrix * a, const gsl_matrix * b);
int gsl_matrix_isnull (const gsl_matrix * m);
int gsl_matrix_ispos (const gsl_matrix * m);
int gsl_matrix_isneg (const gsl_matrix * m);
int gsl_matrix_isnonneg (const gsl_matrix * m);
int gsl_matrix_add (gsl_matrix * a, const gsl_matrix * b);
int gsl_matrix_sub (gsl_matrix * a, const gsl_matrix * b);
int gsl_matrix_mul_elements (gsl_matrix * a, const gsl_matrix * b);
int gsl_matrix_div_elements (gsl_matrix * a, const gsl_matrix * b);
int gsl_matrix_scale (gsl_matrix * a, const double x);
int gsl_matrix_add_constant (gsl_matrix * a, const double x);
int gsl_matrix_add_diagonal (gsl_matrix * a, const double x);
/***********************************************************************/
/* The functions below are obsolete */
/***********************************************************************/
int gsl_matrix_get_row(gsl_vector * v, const gsl_matrix * m, const size_t i);
int gsl_matrix_get_col(gsl_vector * v, const gsl_matrix * m, const size_t j);
int gsl_matrix_set_row(gsl_matrix * m, const size_t i, const gsl_vector * v);
int gsl_matrix_set_col(gsl_matrix * m, const size_t j, const gsl_vector * v);
/***********************************************************************/
/* inline functions if you are using GCC */
INLINE_DECL double gsl_matrix_get(const gsl_matrix * m, const size_t i, const size_t j);
INLINE_DECL void gsl_matrix_set(gsl_matrix * m, const size_t i, const size_t j, const double x);
INLINE_DECL double * gsl_matrix_ptr(gsl_matrix * m, const size_t i, const size_t j);
INLINE_DECL const double * gsl_matrix_const_ptr(const gsl_matrix * m, const size_t i, const size_t j);
#ifdef HAVE_INLINE
INLINE_FUN
double
gsl_matrix_get(const gsl_matrix * m, const size_t i, const size_t j)
{
#if GSL_RANGE_CHECK
if (GSL_RANGE_COND(1))
{
if (i >= m->size1)
{
GSL_ERROR_VAL("first index out of range", GSL_EINVAL, 0) ;
}
else if (j >= m->size2)
{
GSL_ERROR_VAL("second index out of range", GSL_EINVAL, 0) ;
}
}
#endif
return m->data[i * m->tda + j] ;
}
INLINE_FUN
void
gsl_matrix_set(gsl_matrix * m, const size_t i, const size_t j, const double x)
{
#if GSL_RANGE_CHECK
if (GSL_RANGE_COND(1))
{
if (i >= m->size1)
{
GSL_ERROR_VOID("first index out of range", GSL_EINVAL) ;
}
else if (j >= m->size2)
{
GSL_ERROR_VOID("second index out of range", GSL_EINVAL) ;
}
}
#endif
m->data[i * m->tda + j] = x ;
}
INLINE_FUN
double *
gsl_matrix_ptr(gsl_matrix * m, const size_t i, const size_t j)
{
#if GSL_RANGE_CHECK
if (GSL_RANGE_COND(1))
{
if (i >= m->size1)
{
GSL_ERROR_NULL("first index out of range", GSL_EINVAL) ;
}
else if (j >= m->size2)
{
GSL_ERROR_NULL("second index out of range", GSL_EINVAL) ;
}
}
#endif
return (double *) (m->data + (i * m->tda + j)) ;
}
INLINE_FUN
const double *
gsl_matrix_const_ptr(const gsl_matrix * m, const size_t i, const size_t j)
{
#if GSL_RANGE_CHECK
if (GSL_RANGE_COND(1))
{
if (i >= m->size1)
{
GSL_ERROR_NULL("first index out of range", GSL_EINVAL) ;
}
else if (j >= m->size2)
{
GSL_ERROR_NULL("second index out of range", GSL_EINVAL) ;
}
}
#endif
return (const double *) (m->data + (i * m->tda + j)) ;
}
#endif
__END_DECLS
#endif /* __GSL_MATRIX_DOUBLE_H__ */
|
