/* matrix/gsl_matrix_complex_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_DOUBLE_H__

#define __GSL_MATRIX_COMPLEX_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_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_complex * block;

  int owner;

} gsl_matrix_complex ;

typedef struct

{

  gsl_matrix_complex matrix;

} _gsl_matrix_complex_view;

typedef _gsl_matrix_complex_view gsl_matrix_complex_view;

typedef struct

{

  gsl_matrix_complex matrix;

} _gsl_matrix_complex_const_view;

typedef const _gsl_matrix_complex_const_view gsl_matrix_complex_const_view;

/* Allocation */

gsl_matrix_complex * 

gsl_matrix_complex_alloc (const size_t n1, const size_t n2);

gsl_matrix_complex * 

gsl_matrix_complex_calloc (const size_t n1, const size_t n2);

gsl_matrix_complex * 

gsl_matrix_complex_alloc_from_block (gsl_block_complex * b, 

                                           const size_t offset, 

                                           const size_t n1, const size_t n2, const size_t d2);

gsl_matrix_complex * 

gsl_matrix_complex_alloc_from_matrix (gsl_matrix_complex * b,

                                            const size_t k1, const size_t k2,

                                            const size_t n1, const size_t n2);

gsl_vector_complex * 

gsl_vector_complex_alloc_row_from_matrix (gsl_matrix_complex * m,

                                                const size_t i);

gsl_vector_complex * 

gsl_vector_complex_alloc_col_from_matrix (gsl_matrix_complex * m,

                                                const size_t j);

void gsl_matrix_complex_free (gsl_matrix_complex * m);

/* Views */

_gsl_matrix_complex_view 

gsl_matrix_complex_submatrix (gsl_matrix_complex * m, 

                            const size_t i, const size_t j, 

                            const size_t n1, const size_t n2);

_gsl_vector_complex_view 

gsl_matrix_complex_row (gsl_matrix_complex * m, const size_t i);

_gsl_vector_complex_view 

gsl_matrix_complex_column (gsl_matrix_complex * m, const size_t j);

_gsl_vector_complex_view 

gsl_matrix_complex_diagonal (gsl_matrix_complex * m);

_gsl_vector_complex_view 

gsl_matrix_complex_subdiagonal (gsl_matrix_complex * m, const size_t k);

_gsl_vector_complex_view 

gsl_matrix_complex_superdiagonal (gsl_matrix_complex * m, const size_t k);

_gsl_vector_complex_view

gsl_matrix_complex_subrow (gsl_matrix_complex * m,

                                 const size_t i, const size_t offset,

                                 const size_t n);

_gsl_vector_complex_view

gsl_matrix_complex_subcolumn (gsl_matrix_complex * m,

                                    const size_t j, const size_t offset,

                                    const size_t n);

_gsl_matrix_complex_view

gsl_matrix_complex_view_array (double * base,

                             const size_t n1, 

                             const size_t n2);

_gsl_matrix_complex_view

gsl_matrix_complex_view_array_with_tda (double * base, 

                                      const size_t n1, 

                                      const size_t n2,

                                      const size_t tda);

_gsl_matrix_complex_view

gsl_matrix_complex_view_vector (gsl_vector_complex * v,

                              const size_t n1, 

                              const size_t n2);

_gsl_matrix_complex_view

gsl_matrix_complex_view_vector_with_tda (gsl_vector_complex * v,

                                       const size_t n1, 

                                       const size_t n2,

                                       const size_t tda);

_gsl_matrix_complex_const_view 

gsl_matrix_complex_const_submatrix (const gsl_matrix_complex * m, 

                                  const size_t i, const size_t j, 

                                  const size_t n1, const size_t n2);

_gsl_vector_complex_const_view 

gsl_matrix_complex_const_row (const gsl_matrix_complex * m, 

                            const size_t i);

_gsl_vector_complex_const_view 

gsl_matrix_complex_const_column (const gsl_matrix_complex * m, 

                               const size_t j);

_gsl_vector_complex_const_view

gsl_matrix_complex_const_diagonal (const gsl_matrix_complex * m);

_gsl_vector_complex_const_view 

gsl_matrix_complex_const_subdiagonal (const gsl_matrix_complex * m, 

                                    const size_t k);

_gsl_vector_complex_const_view 

gsl_matrix_complex_const_superdiagonal (const gsl_matrix_complex * m, 

                                      const size_t k);

_gsl_vector_complex_const_view

gsl_matrix_complex_const_subrow (const gsl_matrix_complex * m,

                                       const size_t i, const size_t offset,

                                       const size_t n);

_gsl_vector_complex_const_view

gsl_matrix_complex_const_subcolumn (const gsl_matrix_complex * m,

                                          const size_t j, const size_t offset,

                                          const size_t n);

_gsl_matrix_complex_const_view

gsl_matrix_complex_const_view_array (const double * base,

                                   const size_t n1, 

                                   const size_t n2);

_gsl_matrix_complex_const_view

gsl_matrix_complex_const_view_array_with_tda (const double * base, 

                                            const size_t n1, 

                                            const size_t n2,

                                            const size_t tda);

_gsl_matrix_complex_const_view

gsl_matrix_complex_const_view_vector (const gsl_vector_complex * v,

                                    const size_t n1, 

                                    const size_t n2);

_gsl_matrix_complex_const_view

gsl_matrix_complex_const_view_vector_with_tda (const gsl_vector_complex * v,

                                             const size_t n1, 

                                             const size_t n2,

                                             const size_t tda);

/* Operations */

void gsl_matrix_complex_set_zero (gsl_matrix_complex * m);

void gsl_matrix_complex_set_identity (gsl_matrix_complex * m);

void gsl_matrix_complex_set_all (gsl_matrix_complex * m, gsl_complex x);

int gsl_matrix_complex_fread (FILE * stream, gsl_matrix_complex * m) ;

int gsl_matrix_complex_fwrite (FILE * stream, const gsl_matrix_complex * m) ;

int gsl_matrix_complex_fscanf (FILE * stream, gsl_matrix_complex * m);

int gsl_matrix_complex_fprintf (FILE * stream, const gsl_matrix_complex * m, const char * format);

int gsl_matrix_complex_memcpy(gsl_matrix_complex * dest, const gsl_matrix_complex * src);

int gsl_matrix_complex_swap(gsl_matrix_complex * m1, gsl_matrix_complex * m2);

int gsl_matrix_complex_tricpy(const char uplo_src, const int copy_diag, gsl_matrix_complex * dest, const gsl_matrix_complex * src);

int gsl_matrix_complex_swap_rows(gsl_matrix_complex * m, const size_t i, const size_t j);

int gsl_matrix_complex_swap_columns(gsl_matrix_complex * m, const size_t i, const size_t j);

int gsl_matrix_complex_swap_rowcol(gsl_matrix_complex * m, const size_t i, const size_t j);

int gsl_matrix_complex_transpose (gsl_matrix_complex * m);

int gsl_matrix_complex_transpose_memcpy (gsl_matrix_complex * dest, const gsl_matrix_complex * src);

int gsl_matrix_complex_transpose_tricpy(const char uplo_src, const int copy_diag, gsl_matrix_complex * dest, const gsl_matrix_complex * src);

int gsl_matrix_complex_equal (const gsl_matrix_complex * a, const gsl_matrix_complex * b);

int gsl_matrix_complex_isnull (const gsl_matrix_complex * m);

int gsl_matrix_complex_ispos (const gsl_matrix_complex * m);

int gsl_matrix_complex_isneg (const gsl_matrix_complex * m);

int gsl_matrix_complex_isnonneg (const gsl_matrix_complex * m);

int gsl_matrix_complex_add (gsl_matrix_complex * a, const gsl_matrix_complex * b);

int gsl_matrix_complex_sub (gsl_matrix_complex * a, const gsl_matrix_complex * b);

int gsl_matrix_complex_mul_elements (gsl_matrix_complex * a, const gsl_matrix_complex * b);

int gsl_matrix_complex_div_elements (gsl_matrix_complex * a, const gsl_matrix_complex * b);

int gsl_matrix_complex_scale (gsl_matrix_complex * a, const gsl_complex x);

int gsl_matrix_complex_add_constant (gsl_matrix_complex * a, const gsl_complex x);

int gsl_matrix_complex_add_diagonal (gsl_matrix_complex * a, const gsl_complex x);

/***********************************************************************/

/* The functions below are obsolete                                    */

/***********************************************************************/

int gsl_matrix_complex_get_row(gsl_vector_complex * v, const gsl_matrix_complex * m, const size_t i);

int gsl_matrix_complex_get_col(gsl_vector_complex * v, const gsl_matrix_complex * m, const size_t j);

int gsl_matrix_complex_set_row(gsl_matrix_complex * m, const size_t i, const gsl_vector_complex * v);

int gsl_matrix_complex_set_col(gsl_matrix_complex * m, const size_t j, const gsl_vector_complex * v);

/***********************************************************************/

/* inline functions if you are using GCC */

INLINE_DECL gsl_complex gsl_matrix_complex_get(const gsl_matrix_complex * m, const size_t i, const size_t j);

INLINE_DECL void gsl_matrix_complex_set(gsl_matrix_complex * m, const size_t i, const size_t j, const gsl_complex x);

INLINE_DECL gsl_complex * gsl_matrix_complex_ptr(gsl_matrix_complex * m, const size_t i, const size_t j);

INLINE_DECL const gsl_complex * gsl_matrix_complex_const_ptr(const gsl_matrix_complex * m, const size_t i, const size_t j);

#ifdef HAVE_INLINE

INLINE_FUN 

gsl_complex

gsl_matrix_complex_get(const gsl_matrix_complex * m, 

                     const size_t i, const size_t j)

{

#if GSL_RANGE_CHECK

  if (GSL_RANGE_COND(1)) 

    {

      gsl_complex 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 *)(m->data + 2*(i * m->tda + j)) ;

} 

INLINE_FUN 

void

gsl_matrix_complex_set(gsl_matrix_complex * m, 

                     const size_t i, const size_t j, const gsl_complex 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 *)(m->data + 2*(i * m->tda + j)) = x ;

}

INLINE_FUN 

gsl_complex *

gsl_matrix_complex_ptr(gsl_matrix_complex * 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 *)(m->data + 2*(i * m->tda + j)) ;

} 

INLINE_FUN 

const gsl_complex *

gsl_matrix_complex_const_ptr(const gsl_matrix_complex * 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 *)(m->data + 2*(i * m->tda + j)) ;

} 

#endif /* HAVE_INLINE */

__END_DECLS

#endif /* __GSL_MATRIX_COMPLEX_DOUBLE_H__ */