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/* matrix/gsl_matrix_complex_long_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_COMPLEX_LONG_DOUBLE_H__
#define __GSL_MATRIX_COMPLEX_LONG_DOUBLE_H__

#include <stdlib.h>
#include <gsl/gsl_types.h>
#include <gsl/gsl_errno.h>
#include <gsl/gsl_complex.h>
#include <gsl/gsl_check_range.h>
#include <gsl/gsl_vector_complex_long_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;
  long double * data;
  gsl_block_complex_long_double * block;
  int owner;
} gsl_matrix_complex_long_double ;

typedef struct
{
  gsl_matrix_complex_long_double matrix;
} _gsl_matrix_complex_long_double_view;

typedef _gsl_matrix_complex_long_double_view gsl_matrix_complex_long_double_view;

typedef struct
{
  gsl_matrix_complex_long_double matrix;
} _gsl_matrix_complex_long_double_const_view;

typedef const _gsl_matrix_complex_long_double_const_view gsl_matrix_complex_long_double_const_view;


/* Allocation */

gsl_matrix_complex_long_double * 
gsl_matrix_complex_long_double_alloc (const size_t n1, const size_t n2);

gsl_matrix_complex_long_double * 
gsl_matrix_complex_long_double_calloc (const size_t n1, const size_t n2);

gsl_matrix_complex_long_double * 
gsl_matrix_complex_long_double_alloc_from_block (gsl_block_complex_long_double * b, 
                                           const size_t offset, 
                                           const size_t n1, const size_t n2, const size_t d2);

gsl_matrix_complex_long_double * 
gsl_matrix_complex_long_double_alloc_from_matrix (gsl_matrix_complex_long_double * b,
                                            const size_t k1, const size_t k2,
                                            const size_t n1, const size_t n2);

gsl_vector_complex_long_double * 
gsl_vector_complex_long_double_alloc_row_from_matrix (gsl_matrix_complex_long_double * m,
                                                const size_t i);

gsl_vector_complex_long_double * 
gsl_vector_complex_long_double_alloc_col_from_matrix (gsl_matrix_complex_long_double * m,
                                                const size_t j);

void gsl_matrix_complex_long_double_free (gsl_matrix_complex_long_double * m);

/* Views */

_gsl_matrix_complex_long_double_view 
gsl_matrix_complex_long_double_submatrix (gsl_matrix_complex_long_double * m, 
                            const size_t i, const size_t j, 
                            const size_t n1, const size_t n2);

_gsl_vector_complex_long_double_view 
gsl_matrix_complex_long_double_row (gsl_matrix_complex_long_double * m, const size_t i);

_gsl_vector_complex_long_double_view 
gsl_matrix_complex_long_double_column (gsl_matrix_complex_long_double * m, const size_t j);

_gsl_vector_complex_long_double_view 
gsl_matrix_complex_long_double_diagonal (gsl_matrix_complex_long_double * m);

_gsl_vector_complex_long_double_view 
gsl_matrix_complex_long_double_subdiagonal (gsl_matrix_complex_long_double * m, const size_t k);

_gsl_vector_complex_long_double_view 
gsl_matrix_complex_long_double_superdiagonal (gsl_matrix_complex_long_double * m, const size_t k);

_gsl_vector_complex_long_double_view
gsl_matrix_complex_long_double_subrow (gsl_matrix_complex_long_double * m,
                                 const size_t i, const size_t offset,
                                 const size_t n);

_gsl_vector_complex_long_double_view
gsl_matrix_complex_long_double_subcolumn (gsl_matrix_complex_long_double * m,
                                    const size_t j, const size_t offset,
                                    const size_t n);

_gsl_matrix_complex_long_double_view
gsl_matrix_complex_long_double_view_array (long double * base,
                             const size_t n1, 
                             const size_t n2);

_gsl_matrix_complex_long_double_view
gsl_matrix_complex_long_double_view_array_with_tda (long double * base, 
                                      const size_t n1, 
                                      const size_t n2,
                                      const size_t tda);

_gsl_matrix_complex_long_double_view
gsl_matrix_complex_long_double_view_vector (gsl_vector_complex_long_double * v,
                              const size_t n1, 
                              const size_t n2);

_gsl_matrix_complex_long_double_view
gsl_matrix_complex_long_double_view_vector_with_tda (gsl_vector_complex_long_double * v,
                                       const size_t n1, 
                                       const size_t n2,
                                       const size_t tda);


_gsl_matrix_complex_long_double_const_view 
gsl_matrix_complex_long_double_const_submatrix (const gsl_matrix_complex_long_double * m, 
                                  const size_t i, const size_t j, 
                                  const size_t n1, const size_t n2);

_gsl_vector_complex_long_double_const_view 
gsl_matrix_complex_long_double_const_row (const gsl_matrix_complex_long_double * m, 
                            const size_t i);

_gsl_vector_complex_long_double_const_view 
gsl_matrix_complex_long_double_const_column (const gsl_matrix_complex_long_double * m, 
                               const size_t j);

_gsl_vector_complex_long_double_const_view
gsl_matrix_complex_long_double_const_diagonal (const gsl_matrix_complex_long_double * m);

_gsl_vector_complex_long_double_const_view 
gsl_matrix_complex_long_double_const_subdiagonal (const gsl_matrix_complex_long_double * m, 
                                    const size_t k);

_gsl_vector_complex_long_double_const_view 
gsl_matrix_complex_long_double_const_superdiagonal (const gsl_matrix_complex_long_double * m, 
                                      const size_t k);

_gsl_vector_complex_long_double_const_view
gsl_matrix_complex_long_double_const_subrow (const gsl_matrix_complex_long_double * m,
                                       const size_t i, const size_t offset,
                                       const size_t n);

_gsl_vector_complex_long_double_const_view
gsl_matrix_complex_long_double_const_subcolumn (const gsl_matrix_complex_long_double * m,
                                          const size_t j, const size_t offset,
                                          const size_t n);

_gsl_matrix_complex_long_double_const_view
gsl_matrix_complex_long_double_const_view_array (const long double * base,
                                   const size_t n1, 
                                   const size_t n2);

_gsl_matrix_complex_long_double_const_view
gsl_matrix_complex_long_double_const_view_array_with_tda (const long double * base, 
                                            const size_t n1, 
                                            const size_t n2,
                                            const size_t tda);

_gsl_matrix_complex_long_double_const_view
gsl_matrix_complex_long_double_const_view_vector (const gsl_vector_complex_long_double * v,
                                    const size_t n1, 
                                    const size_t n2);

_gsl_matrix_complex_long_double_const_view
gsl_matrix_complex_long_double_const_view_vector_with_tda (const gsl_vector_complex_long_double * v,
                                             const size_t n1, 
                                             const size_t n2,
                                             const size_t tda);

/* Operations */

void gsl_matrix_complex_long_double_set_zero (gsl_matrix_complex_long_double * m);
void gsl_matrix_complex_long_double_set_identity (gsl_matrix_complex_long_double * m);
void gsl_matrix_complex_long_double_set_all (gsl_matrix_complex_long_double * m, gsl_complex_long_double x);

int gsl_matrix_complex_long_double_fread (FILE * stream, gsl_matrix_complex_long_double * m) ;
int gsl_matrix_complex_long_double_fwrite (FILE * stream, const gsl_matrix_complex_long_double * m) ;
int gsl_matrix_complex_long_double_fscanf (FILE * stream, gsl_matrix_complex_long_double * m);
int gsl_matrix_complex_long_double_fprintf (FILE * stream, const gsl_matrix_complex_long_double * m, const char * format);

int gsl_matrix_complex_long_double_memcpy(gsl_matrix_complex_long_double * dest, const gsl_matrix_complex_long_double * src);
int gsl_matrix_complex_long_double_swap(gsl_matrix_complex_long_double * m1, gsl_matrix_complex_long_double * m2);
int gsl_matrix_complex_long_double_tricpy(const char uplo_src, const int copy_diag, gsl_matrix_complex_long_double * dest, const gsl_matrix_complex_long_double * src);

int gsl_matrix_complex_long_double_swap_rows(gsl_matrix_complex_long_double * m, const size_t i, const size_t j);
int gsl_matrix_complex_long_double_swap_columns(gsl_matrix_complex_long_double * m, const size_t i, const size_t j);
int gsl_matrix_complex_long_double_swap_rowcol(gsl_matrix_complex_long_double * m, const size_t i, const size_t j);

int gsl_matrix_complex_long_double_transpose (gsl_matrix_complex_long_double * m);
int gsl_matrix_complex_long_double_transpose_memcpy (gsl_matrix_complex_long_double * dest, const gsl_matrix_complex_long_double * src);
int gsl_matrix_complex_long_double_transpose_tricpy(const char uplo_src, const int copy_diag, gsl_matrix_complex_long_double * dest, const gsl_matrix_complex_long_double * src);

int gsl_matrix_complex_long_double_equal (const gsl_matrix_complex_long_double * a, const gsl_matrix_complex_long_double * b);

int gsl_matrix_complex_long_double_isnull (const gsl_matrix_complex_long_double * m);
int gsl_matrix_complex_long_double_ispos (const gsl_matrix_complex_long_double * m);
int gsl_matrix_complex_long_double_isneg (const gsl_matrix_complex_long_double * m);
int gsl_matrix_complex_long_double_isnonneg (const gsl_matrix_complex_long_double * m);

int gsl_matrix_complex_long_double_add (gsl_matrix_complex_long_double * a, const gsl_matrix_complex_long_double * b);
int gsl_matrix_complex_long_double_sub (gsl_matrix_complex_long_double * a, const gsl_matrix_complex_long_double * b);
int gsl_matrix_complex_long_double_mul_elements (gsl_matrix_complex_long_double * a, const gsl_matrix_complex_long_double * b);
int gsl_matrix_complex_long_double_div_elements (gsl_matrix_complex_long_double * a, const gsl_matrix_complex_long_double * b);
int gsl_matrix_complex_long_double_scale (gsl_matrix_complex_long_double * a, const gsl_complex_long_double x);
int gsl_matrix_complex_long_double_add_constant (gsl_matrix_complex_long_double * a, const gsl_complex_long_double x);
int gsl_matrix_complex_long_double_add_diagonal (gsl_matrix_complex_long_double * a, const gsl_complex_long_double x);

/***********************************************************************/
/* The functions below are obsolete                                    */
/***********************************************************************/
int gsl_matrix_complex_long_double_get_row(gsl_vector_complex_long_double * v, const gsl_matrix_complex_long_double * m, const size_t i);
int gsl_matrix_complex_long_double_get_col(gsl_vector_complex_long_double * v, const gsl_matrix_complex_long_double * m, const size_t j);
int gsl_matrix_complex_long_double_set_row(gsl_matrix_complex_long_double * m, const size_t i, const gsl_vector_complex_long_double * v);
int gsl_matrix_complex_long_double_set_col(gsl_matrix_complex_long_double * m, const size_t j, const gsl_vector_complex_long_double * v);
/***********************************************************************/

/* inline functions if you are using GCC */

INLINE_DECL gsl_complex_long_double gsl_matrix_complex_long_double_get(const gsl_matrix_complex_long_double * m, const size_t i, const size_t j);
INLINE_DECL void gsl_matrix_complex_long_double_set(gsl_matrix_complex_long_double * m, const size_t i, const size_t j, const gsl_complex_long_double x);

INLINE_DECL gsl_complex_long_double * gsl_matrix_complex_long_double_ptr(gsl_matrix_complex_long_double * m, const size_t i, const size_t j);
INLINE_DECL const gsl_complex_long_double * gsl_matrix_complex_long_double_const_ptr(const gsl_matrix_complex_long_double * m, const size_t i, const size_t j);

#ifdef HAVE_INLINE

INLINE_FUN 
gsl_complex_long_double
gsl_matrix_complex_long_double_get(const gsl_matrix_complex_long_double * m, 
                     const size_t i, const size_t j)
{
#if GSL_RANGE_CHECK
  if (GSL_RANGE_COND(1)) 
    {
      gsl_complex_long_double zero = {{0,0}};

      if (i >= m->size1)
        {
          GSL_ERROR_VAL("first index out of range", GSL_EINVAL, zero) ;
        }
      else if (j >= m->size2)
        {
          GSL_ERROR_VAL("second index out of range", GSL_EINVAL, zero) ;
        }
    }
#endif
  return *(gsl_complex_long_double *)(m->data + 2*(i * m->tda + j)) ;
} 

INLINE_FUN 
void
gsl_matrix_complex_long_double_set(gsl_matrix_complex_long_double * m, 
                     const size_t i, const size_t j, const gsl_complex_long_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
  *(gsl_complex_long_double *)(m->data + 2*(i * m->tda + j)) = x ;
}

INLINE_FUN 
gsl_complex_long_double *
gsl_matrix_complex_long_double_ptr(gsl_matrix_complex_long_double * 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 (gsl_complex_long_double *)(m->data + 2*(i * m->tda + j)) ;
} 

INLINE_FUN 
const gsl_complex_long_double *
gsl_matrix_complex_long_double_const_ptr(const gsl_matrix_complex_long_double * 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 gsl_complex_long_double *)(m->data + 2*(i * m->tda + j)) ;
} 

#endif /* HAVE_INLINE */

__END_DECLS

#endif /* __GSL_MATRIX_COMPLEX_LONG_DOUBLE_H__ */