233 lines
6.8 KiB
C
233 lines
6.8 KiB
C
/* vector/gsl_vector_double.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_DOUBLE_H__
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#define __GSL_VECTOR_DOUBLE_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_double.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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double *data;
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gsl_block *block;
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int owner;
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}
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gsl_vector;
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typedef struct
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{
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gsl_vector vector;
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} _gsl_vector_view;
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typedef _gsl_vector_view gsl_vector_view;
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typedef struct
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{
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gsl_vector vector;
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} _gsl_vector_const_view;
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typedef const _gsl_vector_const_view gsl_vector_const_view;
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/* Allocation */
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gsl_vector *gsl_vector_alloc (const size_t n);
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gsl_vector *gsl_vector_calloc (const size_t n);
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gsl_vector *gsl_vector_alloc_from_block (gsl_block * 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 *gsl_vector_alloc_from_vector (gsl_vector * 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_free (gsl_vector * v);
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/* Views */
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_gsl_vector_view
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gsl_vector_view_array (double *v, size_t n);
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_gsl_vector_view
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gsl_vector_view_array_with_stride (double *base,
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size_t stride,
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size_t n);
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_gsl_vector_const_view
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gsl_vector_const_view_array (const double *v, size_t n);
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_gsl_vector_const_view
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gsl_vector_const_view_array_with_stride (const double *base,
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size_t stride,
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size_t n);
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_gsl_vector_view
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gsl_vector_subvector (gsl_vector *v,
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size_t i,
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size_t n);
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_gsl_vector_view
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gsl_vector_subvector_with_stride (gsl_vector *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_const_view
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gsl_vector_const_subvector (const gsl_vector *v,
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size_t i,
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size_t n);
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_gsl_vector_const_view
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gsl_vector_const_subvector_with_stride (const gsl_vector *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_set_zero (gsl_vector * v);
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void gsl_vector_set_all (gsl_vector * v, double x);
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int gsl_vector_set_basis (gsl_vector * v, size_t i);
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int gsl_vector_fread (FILE * stream, gsl_vector * v);
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int gsl_vector_fwrite (FILE * stream, const gsl_vector * v);
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int gsl_vector_fscanf (FILE * stream, gsl_vector * v);
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int gsl_vector_fprintf (FILE * stream, const gsl_vector * v,
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const char *format);
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int gsl_vector_memcpy (gsl_vector * dest, const gsl_vector * src);
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int gsl_vector_reverse (gsl_vector * v);
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int gsl_vector_swap (gsl_vector * v, gsl_vector * w);
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int gsl_vector_swap_elements (gsl_vector * v, const size_t i, const size_t j);
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double gsl_vector_max (const gsl_vector * v);
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double gsl_vector_min (const gsl_vector * v);
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void gsl_vector_minmax (const gsl_vector * v, double * min_out, double * max_out);
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size_t gsl_vector_max_index (const gsl_vector * v);
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size_t gsl_vector_min_index (const gsl_vector * v);
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void gsl_vector_minmax_index (const gsl_vector * v, size_t * imin, size_t * imax);
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int gsl_vector_add (gsl_vector * a, const gsl_vector * b);
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int gsl_vector_sub (gsl_vector * a, const gsl_vector * b);
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int gsl_vector_mul (gsl_vector * a, const gsl_vector * b);
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int gsl_vector_div (gsl_vector * a, const gsl_vector * b);
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int gsl_vector_scale (gsl_vector * a, const double x);
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int gsl_vector_add_constant (gsl_vector * a, const double x);
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int gsl_vector_axpby (const double alpha, const gsl_vector * x, const double beta, gsl_vector * y);
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double gsl_vector_sum (const gsl_vector * a);
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int gsl_vector_equal (const gsl_vector * u,
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const gsl_vector * v);
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int gsl_vector_isnull (const gsl_vector * v);
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int gsl_vector_ispos (const gsl_vector * v);
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int gsl_vector_isneg (const gsl_vector * v);
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int gsl_vector_isnonneg (const gsl_vector * v);
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INLINE_DECL double gsl_vector_get (const gsl_vector * v, const size_t i);
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INLINE_DECL void gsl_vector_set (gsl_vector * v, const size_t i, double x);
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INLINE_DECL double * gsl_vector_ptr (gsl_vector * v, const size_t i);
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INLINE_DECL const double * gsl_vector_const_ptr (const gsl_vector * v, const size_t i);
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#ifdef HAVE_INLINE
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INLINE_FUN
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double
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gsl_vector_get (const gsl_vector * 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_set (gsl_vector * v, const size_t i, double 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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double *
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gsl_vector_ptr (gsl_vector * 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 (double *) (v->data + i * v->stride);
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}
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INLINE_FUN
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const double *
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gsl_vector_const_ptr (const gsl_vector * 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 double *) (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_DOUBLE_H__ */
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