/* vector/gsl_vector_ushort.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_VECTOR_USHORT_H__

#define __GSL_VECTOR_USHORT_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_block_ushort.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 size;

  size_t stride;

  unsigned short *data;

  gsl_block_ushort *block;

  int owner;

} 

gsl_vector_ushort;

typedef struct

{

  gsl_vector_ushort vector;

} _gsl_vector_ushort_view;

typedef _gsl_vector_ushort_view gsl_vector_ushort_view;

typedef struct

{

  gsl_vector_ushort vector;

} _gsl_vector_ushort_const_view;

typedef const _gsl_vector_ushort_const_view gsl_vector_ushort_const_view;

/* Allocation */

gsl_vector_ushort *gsl_vector_ushort_alloc (const size_t n);

gsl_vector_ushort *gsl_vector_ushort_calloc (const size_t n);

gsl_vector_ushort *gsl_vector_ushort_alloc_from_block (gsl_block_ushort * b,

                                                     const size_t offset, 

                                                     const size_t n, 

                                                     const size_t stride);

gsl_vector_ushort *gsl_vector_ushort_alloc_from_vector (gsl_vector_ushort * v,

                                                      const size_t offset, 

                                                      const size_t n, 

                                                      const size_t stride);

void gsl_vector_ushort_free (gsl_vector_ushort * v);

/* Views */

_gsl_vector_ushort_view 

gsl_vector_ushort_view_array (unsigned short *v, size_t n);

_gsl_vector_ushort_view 

gsl_vector_ushort_view_array_with_stride (unsigned short *base,

                                         size_t stride,

                                         size_t n);

_gsl_vector_ushort_const_view 

gsl_vector_ushort_const_view_array (const unsigned short *v, size_t n);

_gsl_vector_ushort_const_view 

gsl_vector_ushort_const_view_array_with_stride (const unsigned short *base,

                                               size_t stride,

                                               size_t n);

_gsl_vector_ushort_view 

gsl_vector_ushort_subvector (gsl_vector_ushort *v, 

                            size_t i, 

                            size_t n);

_gsl_vector_ushort_view 

gsl_vector_ushort_subvector_with_stride (gsl_vector_ushort *v, 

                                        size_t i,

                                        size_t stride,

                                        size_t n);

_gsl_vector_ushort_const_view 

gsl_vector_ushort_const_subvector (const gsl_vector_ushort *v, 

                                  size_t i, 

                                  size_t n);

_gsl_vector_ushort_const_view 

gsl_vector_ushort_const_subvector_with_stride (const gsl_vector_ushort *v, 

                                              size_t i, 

                                              size_t stride,

                                              size_t n);

/* Operations */

void gsl_vector_ushort_set_zero (gsl_vector_ushort * v);

void gsl_vector_ushort_set_all (gsl_vector_ushort * v, unsigned short x);

int gsl_vector_ushort_set_basis (gsl_vector_ushort * v, size_t i);

int gsl_vector_ushort_fread (FILE * stream, gsl_vector_ushort * v);

int gsl_vector_ushort_fwrite (FILE * stream, const gsl_vector_ushort * v);

int gsl_vector_ushort_fscanf (FILE * stream, gsl_vector_ushort * v);

int gsl_vector_ushort_fprintf (FILE * stream, const gsl_vector_ushort * v,

                              const char *format);

int gsl_vector_ushort_memcpy (gsl_vector_ushort * dest, const gsl_vector_ushort * src);

int gsl_vector_ushort_reverse (gsl_vector_ushort * v);

int gsl_vector_ushort_swap (gsl_vector_ushort * v, gsl_vector_ushort * w);

int gsl_vector_ushort_swap_elements (gsl_vector_ushort * v, const size_t i, const size_t j);

unsigned short gsl_vector_ushort_max (const gsl_vector_ushort * v);

unsigned short gsl_vector_ushort_min (const gsl_vector_ushort * v);

void gsl_vector_ushort_minmax (const gsl_vector_ushort * v, unsigned short * min_out, unsigned short * max_out);

size_t gsl_vector_ushort_max_index (const gsl_vector_ushort * v);

size_t gsl_vector_ushort_min_index (const gsl_vector_ushort * v);

void gsl_vector_ushort_minmax_index (const gsl_vector_ushort * v, size_t * imin, size_t * imax);

int gsl_vector_ushort_add (gsl_vector_ushort * a, const gsl_vector_ushort * b);

int gsl_vector_ushort_sub (gsl_vector_ushort * a, const gsl_vector_ushort * b);

int gsl_vector_ushort_mul (gsl_vector_ushort * a, const gsl_vector_ushort * b);

int gsl_vector_ushort_div (gsl_vector_ushort * a, const gsl_vector_ushort * b);

int gsl_vector_ushort_scale (gsl_vector_ushort * a, const double x);

int gsl_vector_ushort_add_constant (gsl_vector_ushort * a, const double x);

int gsl_vector_ushort_equal (const gsl_vector_ushort * u, 

                            const gsl_vector_ushort * v);

int gsl_vector_ushort_isnull (const gsl_vector_ushort * v);

int gsl_vector_ushort_ispos (const gsl_vector_ushort * v);

int gsl_vector_ushort_isneg (const gsl_vector_ushort * v);

int gsl_vector_ushort_isnonneg (const gsl_vector_ushort * v);

INLINE_DECL unsigned short gsl_vector_ushort_get (const gsl_vector_ushort * v, const size_t i);

INLINE_DECL void gsl_vector_ushort_set (gsl_vector_ushort * v, const size_t i, unsigned short x);

INLINE_DECL unsigned short * gsl_vector_ushort_ptr (gsl_vector_ushort * v, const size_t i);

INLINE_DECL const unsigned short * gsl_vector_ushort_const_ptr (const gsl_vector_ushort * v, const size_t i);

#ifdef HAVE_INLINE

INLINE_FUN

unsigned short

gsl_vector_ushort_get (const gsl_vector_ushort * v, const size_t i)

{

#if GSL_RANGE_CHECK

  if (GSL_RANGE_COND(i >= v->size))

    {

      GSL_ERROR_VAL ("index out of range", GSL_EINVAL, 0);

    }

#endif

  return v->data[i * v->stride];

}

INLINE_FUN

void

gsl_vector_ushort_set (gsl_vector_ushort * v, const size_t i, unsigned short x)

{

#if GSL_RANGE_CHECK

  if (GSL_RANGE_COND(i >= v->size))

    {

      GSL_ERROR_VOID ("index out of range", GSL_EINVAL);

    }

#endif

  v->data[i * v->stride] = x;

}

INLINE_FUN

unsigned short *

gsl_vector_ushort_ptr (gsl_vector_ushort * v, const size_t i)

{

#if GSL_RANGE_CHECK

  if (GSL_RANGE_COND(i >= v->size))

    {

      GSL_ERROR_NULL ("index out of range", GSL_EINVAL);

    }

#endif

  return (unsigned short *) (v->data + i * v->stride);

}

INLINE_FUN

const unsigned short *

gsl_vector_ushort_const_ptr (const gsl_vector_ushort * v, const size_t i)

{

#if GSL_RANGE_CHECK

  if (GSL_RANGE_COND(i >= v->size))

    {

      GSL_ERROR_NULL ("index out of range", GSL_EINVAL);

    }

#endif

  return (const unsigned short *) (v->data + i * v->stride);

}

#endif /* HAVE_INLINE */

__END_DECLS

#endif /* __GSL_VECTOR_USHORT_H__ */