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diff --git a/gsl-1.9/vector/gsl_vector_int.h b/gsl-1.9/vector/gsl_vector_int.h
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+/* vector/gsl_vector_int.h
+ *
+ * Copyright (C) 1996, 1997, 1998, 1999, 2000 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 2 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_INT_H__
+#define __GSL_VECTOR_INT_H__
+
+#include <stdlib.h>
+#include <gsl/gsl_types.h>
+#include <gsl/gsl_errno.h>
+#include <gsl/gsl_check_range.h>
+#include <gsl/gsl_block_int.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;
+ int *data;
+ gsl_block_int *block;
+ int owner;
+}
+gsl_vector_int;
+
+typedef struct
+{
+ gsl_vector_int vector;
+} _gsl_vector_int_view;
+
+typedef _gsl_vector_int_view gsl_vector_int_view;
+
+typedef struct
+{
+ gsl_vector_int vector;
+} _gsl_vector_int_const_view;
+
+typedef const _gsl_vector_int_const_view gsl_vector_int_const_view;
+
+
+/* Allocation */
+
+gsl_vector_int *gsl_vector_int_alloc (const size_t n);
+gsl_vector_int *gsl_vector_int_calloc (const size_t n);
+
+gsl_vector_int *gsl_vector_int_alloc_from_block (gsl_block_int * b,
+ const size_t offset,
+ const size_t n,
+ const size_t stride);
+
+gsl_vector_int *gsl_vector_int_alloc_from_vector (gsl_vector_int * v,
+ const size_t offset,
+ const size_t n,
+ const size_t stride);
+
+void gsl_vector_int_free (gsl_vector_int * v);
+
+/* Views */
+
+_gsl_vector_int_view
+gsl_vector_int_view_array (int *v, size_t n);
+
+_gsl_vector_int_view
+gsl_vector_int_view_array_with_stride (int *base,
+ size_t stride,
+ size_t n);
+
+_gsl_vector_int_const_view
+gsl_vector_int_const_view_array (const int *v, size_t n);
+
+_gsl_vector_int_const_view
+gsl_vector_int_const_view_array_with_stride (const int *base,
+ size_t stride,
+ size_t n);
+
+_gsl_vector_int_view
+gsl_vector_int_subvector (gsl_vector_int *v,
+ size_t i,
+ size_t n);
+
+_gsl_vector_int_view
+gsl_vector_int_subvector_with_stride (gsl_vector_int *v,
+ size_t i,
+ size_t stride,
+ size_t n);
+
+_gsl_vector_int_const_view
+gsl_vector_int_const_subvector (const gsl_vector_int *v,
+ size_t i,
+ size_t n);
+
+_gsl_vector_int_const_view
+gsl_vector_int_const_subvector_with_stride (const gsl_vector_int *v,
+ size_t i,
+ size_t stride,
+ size_t n);
+
+/* Operations */
+
+int gsl_vector_int_get (const gsl_vector_int * v, const size_t i);
+void gsl_vector_int_set (gsl_vector_int * v, const size_t i, int x);
+
+int *gsl_vector_int_ptr (gsl_vector_int * v, const size_t i);
+const int *gsl_vector_int_const_ptr (const gsl_vector_int * v, const size_t i);
+
+void gsl_vector_int_set_zero (gsl_vector_int * v);
+void gsl_vector_int_set_all (gsl_vector_int * v, int x);
+int gsl_vector_int_set_basis (gsl_vector_int * v, size_t i);
+
+int gsl_vector_int_fread (FILE * stream, gsl_vector_int * v);
+int gsl_vector_int_fwrite (FILE * stream, const gsl_vector_int * v);
+int gsl_vector_int_fscanf (FILE * stream, gsl_vector_int * v);
+int gsl_vector_int_fprintf (FILE * stream, const gsl_vector_int * v,
+ const char *format);
+
+int gsl_vector_int_memcpy (gsl_vector_int * dest, const gsl_vector_int * src);
+
+int gsl_vector_int_reverse (gsl_vector_int * v);
+
+int gsl_vector_int_swap (gsl_vector_int * v, gsl_vector_int * w);
+int gsl_vector_int_swap_elements (gsl_vector_int * v, const size_t i, const size_t j);
+
+int gsl_vector_int_max (const gsl_vector_int * v);
+int gsl_vector_int_min (const gsl_vector_int * v);
+void gsl_vector_int_minmax (const gsl_vector_int * v, int * min_out, int * max_out);
+
+size_t gsl_vector_int_max_index (const gsl_vector_int * v);
+size_t gsl_vector_int_min_index (const gsl_vector_int * v);
+void gsl_vector_int_minmax_index (const gsl_vector_int * v, size_t * imin, size_t * imax);
+
+int gsl_vector_int_add (gsl_vector_int * a, const gsl_vector_int * b);
+int gsl_vector_int_sub (gsl_vector_int * a, const gsl_vector_int * b);
+int gsl_vector_int_mul (gsl_vector_int * a, const gsl_vector_int * b);
+int gsl_vector_int_div (gsl_vector_int * a, const gsl_vector_int * b);
+int gsl_vector_int_scale (gsl_vector_int * a, const double x);
+int gsl_vector_int_add_constant (gsl_vector_int * a, const double x);
+
+int gsl_vector_int_isnull (const gsl_vector_int * v);
+int gsl_vector_int_ispos (const gsl_vector_int * v);
+int gsl_vector_int_isneg (const gsl_vector_int * v);
+
+#ifdef HAVE_INLINE
+
+extern inline
+int
+gsl_vector_int_get (const gsl_vector_int * v, const size_t i)
+{
+#if GSL_RANGE_CHECK
+ if (i >= v->size)
+ {
+ GSL_ERROR_VAL ("index out of range", GSL_EINVAL, 0);
+ }
+#endif
+ return v->data[i * v->stride];
+}
+
+extern inline
+void
+gsl_vector_int_set (gsl_vector_int * v, const size_t i, int x)
+{
+#if GSL_RANGE_CHECK
+ if (i >= v->size)
+ {
+ GSL_ERROR_VOID ("index out of range", GSL_EINVAL);
+ }
+#endif
+ v->data[i * v->stride] = x;
+}
+
+extern inline
+int *
+gsl_vector_int_ptr (gsl_vector_int * v, const size_t i)
+{
+#if GSL_RANGE_CHECK
+ if (i >= v->size)
+ {
+ GSL_ERROR_NULL ("index out of range", GSL_EINVAL);
+ }
+#endif
+ return (int *) (v->data + i * v->stride);
+}
+
+extern inline
+const int *
+gsl_vector_int_const_ptr (const gsl_vector_int * v, const size_t i)
+{
+#if GSL_RANGE_CHECK
+ if (i >= v->size)
+ {
+ GSL_ERROR_NULL ("index out of range", GSL_EINVAL);
+ }
+#endif
+ return (const int *) (v->data + i * v->stride);
+}
+
+
+#endif /* HAVE_INLINE */
+
+__END_DECLS
+
+#endif /* __GSL_VECTOR_INT_H__ */
+
+
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