233 lines
7.2 KiB
C
233 lines
7.2 KiB
C
/* vector/gsl_vector_int.h
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*
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* Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Gerard Jungman, Brian Gough
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __GSL_VECTOR_INT_H__
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#define __GSL_VECTOR_INT_H__
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#include <stdlib.h>
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#include <gsl/gsl_types.h>
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#include <gsl/gsl_errno.h>
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#include <gsl/gsl_inline.h>
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#include <gsl/gsl_check_range.h>
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#include <gsl/gsl_block_int.h>
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#undef __BEGIN_DECLS
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#undef __END_DECLS
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#ifdef __cplusplus
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# define __BEGIN_DECLS extern "C" {
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# define __END_DECLS }
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#else
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# define __BEGIN_DECLS /* empty */
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# define __END_DECLS /* empty */
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#endif
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__BEGIN_DECLS
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typedef struct
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{
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size_t size;
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size_t stride;
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int *data;
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gsl_block_int *block;
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int owner;
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}
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gsl_vector_int;
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typedef struct
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{
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gsl_vector_int vector;
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} _gsl_vector_int_view;
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typedef _gsl_vector_int_view gsl_vector_int_view;
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typedef struct
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{
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gsl_vector_int vector;
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} _gsl_vector_int_const_view;
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typedef const _gsl_vector_int_const_view gsl_vector_int_const_view;
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/* Allocation */
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gsl_vector_int *gsl_vector_int_alloc (const size_t n);
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gsl_vector_int *gsl_vector_int_calloc (const size_t n);
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gsl_vector_int *gsl_vector_int_alloc_from_block (gsl_block_int * b,
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const size_t offset,
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const size_t n,
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const size_t stride);
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gsl_vector_int *gsl_vector_int_alloc_from_vector (gsl_vector_int * v,
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const size_t offset,
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const size_t n,
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const size_t stride);
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void gsl_vector_int_free (gsl_vector_int * v);
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/* Views */
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_gsl_vector_int_view
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gsl_vector_int_view_array (int *v, size_t n);
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_gsl_vector_int_view
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gsl_vector_int_view_array_with_stride (int *base,
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size_t stride,
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size_t n);
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_gsl_vector_int_const_view
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gsl_vector_int_const_view_array (const int *v, size_t n);
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_gsl_vector_int_const_view
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gsl_vector_int_const_view_array_with_stride (const int *base,
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size_t stride,
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size_t n);
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_gsl_vector_int_view
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gsl_vector_int_subvector (gsl_vector_int *v,
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size_t i,
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size_t n);
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_gsl_vector_int_view
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gsl_vector_int_subvector_with_stride (gsl_vector_int *v,
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size_t i,
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size_t stride,
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size_t n);
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_gsl_vector_int_const_view
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gsl_vector_int_const_subvector (const gsl_vector_int *v,
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size_t i,
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size_t n);
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_gsl_vector_int_const_view
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gsl_vector_int_const_subvector_with_stride (const gsl_vector_int *v,
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size_t i,
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size_t stride,
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size_t n);
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/* Operations */
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void gsl_vector_int_set_zero (gsl_vector_int * v);
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void gsl_vector_int_set_all (gsl_vector_int * v, int x);
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int gsl_vector_int_set_basis (gsl_vector_int * v, size_t i);
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int gsl_vector_int_fread (FILE * stream, gsl_vector_int * v);
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int gsl_vector_int_fwrite (FILE * stream, const gsl_vector_int * v);
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int gsl_vector_int_fscanf (FILE * stream, gsl_vector_int * v);
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int gsl_vector_int_fprintf (FILE * stream, const gsl_vector_int * v,
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const char *format);
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int gsl_vector_int_memcpy (gsl_vector_int * dest, const gsl_vector_int * src);
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int gsl_vector_int_reverse (gsl_vector_int * v);
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int gsl_vector_int_swap (gsl_vector_int * v, gsl_vector_int * w);
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int gsl_vector_int_swap_elements (gsl_vector_int * v, const size_t i, const size_t j);
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int gsl_vector_int_max (const gsl_vector_int * v);
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int gsl_vector_int_min (const gsl_vector_int * v);
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void gsl_vector_int_minmax (const gsl_vector_int * v, int * min_out, int * max_out);
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size_t gsl_vector_int_max_index (const gsl_vector_int * v);
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size_t gsl_vector_int_min_index (const gsl_vector_int * v);
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void gsl_vector_int_minmax_index (const gsl_vector_int * v, size_t * imin, size_t * imax);
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int gsl_vector_int_add (gsl_vector_int * a, const gsl_vector_int * b);
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int gsl_vector_int_sub (gsl_vector_int * a, const gsl_vector_int * b);
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int gsl_vector_int_mul (gsl_vector_int * a, const gsl_vector_int * b);
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int gsl_vector_int_div (gsl_vector_int * a, const gsl_vector_int * b);
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int gsl_vector_int_scale (gsl_vector_int * a, const int x);
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int gsl_vector_int_add_constant (gsl_vector_int * a, const int x);
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int gsl_vector_int_axpby (const int alpha, const gsl_vector_int * x, const int beta, gsl_vector_int * y);
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int gsl_vector_int_sum (const gsl_vector_int * a);
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int gsl_vector_int_equal (const gsl_vector_int * u,
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const gsl_vector_int * v);
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int gsl_vector_int_isnull (const gsl_vector_int * v);
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int gsl_vector_int_ispos (const gsl_vector_int * v);
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int gsl_vector_int_isneg (const gsl_vector_int * v);
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int gsl_vector_int_isnonneg (const gsl_vector_int * v);
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INLINE_DECL int gsl_vector_int_get (const gsl_vector_int * v, const size_t i);
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INLINE_DECL void gsl_vector_int_set (gsl_vector_int * v, const size_t i, int x);
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INLINE_DECL int * gsl_vector_int_ptr (gsl_vector_int * v, const size_t i);
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INLINE_DECL const int * gsl_vector_int_const_ptr (const gsl_vector_int * v, const size_t i);
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#ifdef HAVE_INLINE
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INLINE_FUN
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int
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gsl_vector_int_get (const gsl_vector_int * v, const size_t i)
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{
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#if GSL_RANGE_CHECK
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if (GSL_RANGE_COND(i >= v->size))
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{
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GSL_ERROR_VAL ("index out of range", GSL_EINVAL, 0);
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}
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#endif
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return v->data[i * v->stride];
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}
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INLINE_FUN
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void
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gsl_vector_int_set (gsl_vector_int * v, const size_t i, int x)
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{
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#if GSL_RANGE_CHECK
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if (GSL_RANGE_COND(i >= v->size))
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{
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GSL_ERROR_VOID ("index out of range", GSL_EINVAL);
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}
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#endif
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v->data[i * v->stride] = x;
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}
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INLINE_FUN
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int *
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gsl_vector_int_ptr (gsl_vector_int * v, const size_t i)
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{
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#if GSL_RANGE_CHECK
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if (GSL_RANGE_COND(i >= v->size))
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{
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GSL_ERROR_NULL ("index out of range", GSL_EINVAL);
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}
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#endif
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return (int *) (v->data + i * v->stride);
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}
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INLINE_FUN
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const int *
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gsl_vector_int_const_ptr (const gsl_vector_int * v, const size_t i)
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{
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#if GSL_RANGE_CHECK
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if (GSL_RANGE_COND(i >= v->size))
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{
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GSL_ERROR_NULL ("index out of range", GSL_EINVAL);
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}
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#endif
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return (const int *) (v->data + i * v->stride);
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}
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#endif /* HAVE_INLINE */
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__END_DECLS
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#endif /* __GSL_VECTOR_INT_H__ */
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