/usr/include/flint/d_vec.h is in libflint-dev 2.5.2-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | /*=============================================================================
This file is part of FLINT.
FLINT 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.
FLINT 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 FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2014 Abhinav Baid
******************************************************************************/
#ifndef D_VEC_H
#define D_VEC_H
#ifdef D_VEC_INLINES_C
#define D_VEC_INLINE FLINT_DLL
#else
#define D_VEC_INLINE static __inline__
#endif
#include <math.h>
#include "double_extras.h"
#include "flint.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Memory management *******************************************************/
FLINT_DLL double * _d_vec_init(slong len);
FLINT_DLL void _d_vec_clear(double * vec);
/* Randomisation ***********************************************************/
FLINT_DLL void _d_vec_randtest(double * f, flint_rand_t state,
slong len, slong minexp, slong maxexp);
/* Assignment and basic manipulation ***************************************/
FLINT_DLL void _d_vec_set(double * vec1, const double * vec2, slong len2);
FLINT_DLL void _d_vec_zero(double * vec, slong len);
/* Comparison **************************************************************/
FLINT_DLL int _d_vec_equal(const double * vec1, const double * vec2, slong len);
FLINT_DLL int _d_vec_approx_equal(const double * vec1, const double * vec2, slong len, double eps);
FLINT_DLL int _d_vec_is_zero(const double * vec, slong len);
FLINT_DLL int _d_vec_is_approx_zero(const double * vec, slong len, double eps);
/* Addition ****************************************************************/
FLINT_DLL void _d_vec_add(double * res, const double * vec1, const double * vec2, slong len2);
FLINT_DLL void _d_vec_sub(double * res, const double * vec1, const double * vec2, slong len2);
/* Dot product and norm **************************************/
FLINT_DLL double _d_vec_dot(const double * vec1, const double * vec2, slong len2);
FLINT_DLL double _d_vec_norm(const double * vec, slong len);
FLINT_DLL double _d_vec_dot_heuristic(const double * vec1, const double * vec2, slong len2, double * err);
FLINT_DLL double _d_vec_dot_thrice(const double * vec1, const double * vec2, slong len2, double * err);
#ifdef __cplusplus
}
#endif
#endif
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