/usr/include/flint/mpf_mat.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 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | /*=============================================================================
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) 2010 William Hart
Copyright (C) 2014 Abhinav Baid
******************************************************************************/
#ifndef MPF_MAT_H
#define MPF_MAT_H
#ifdef MPF_MAT_INLINES_C
#define MPF_MAT_INLINE FLINT_DLL
#else
#define MPF_MAT_INLINE static __inline__
#endif
#include <math.h>
#include <stdio.h>
#include "mpf_vec.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct
{
mpf * entries;
slong r;
slong c;
mp_bitcnt_t prec;
mpf ** rows;
} mpf_mat_struct;
typedef mpf_mat_struct mpf_mat_t[1];
MPF_MAT_INLINE
mpf * mpf_mat_entry(const mpf_mat_t mat, slong i, slong j)
{
return mat->rows[i] + j;
}
/* Memory management ********************************************************/
FLINT_DLL void mpf_mat_init(mpf_mat_t mat, slong rows, slong cols, mp_bitcnt_t prec);
FLINT_DLL void mpf_mat_swap(mpf_mat_t mat1, mpf_mat_t mat2);
FLINT_DLL void mpf_mat_set(mpf_mat_t mat1, const mpf_mat_t mat2);
FLINT_DLL void mpf_mat_clear(mpf_mat_t mat);
FLINT_DLL int mpf_mat_equal(const mpf_mat_t mat1, const mpf_mat_t mat2);
FLINT_DLL int mpf_mat_approx_equal(const mpf_mat_t mat1, const mpf_mat_t mat2, mp_bitcnt_t bits);
FLINT_DLL int mpf_mat_is_zero(const mpf_mat_t mat);
MPF_MAT_INLINE int
mpf_mat_is_empty(const mpf_mat_t mat)
{
return (mat->r == 0) || (mat->c == 0);
}
MPF_MAT_INLINE int
mpf_mat_is_square(const mpf_mat_t mat)
{
return (mat->r == mat->c);
}
FLINT_DLL void mpf_mat_zero(mpf_mat_t mat);
FLINT_DLL void mpf_mat_one(mpf_mat_t mat);
/* Input and output *********************************************************/
FLINT_DLL void mpf_mat_print(const mpf_mat_t mat);
/* Random matrix generation *************************************************/
FLINT_DLL void mpf_mat_randtest(mpf_mat_t mat, flint_rand_t state, mp_bitcnt_t bits);
/* Multiplication */
FLINT_DLL void mpf_mat_mul(mpf_mat_t C, const mpf_mat_t A, const mpf_mat_t B);
/* Permutations */
MPF_MAT_INLINE void
mpf_mat_swap_rows(mpf_mat_t mat, slong r, slong s)
{
if (r != s)
{
mpf * u;
u = mat->rows[s];
mat->rows[s] = mat->rows[r];
mat->rows[r] = u;
}
}
/* Gram-Schmidt Orthogonalisation and QR Decomposition ********************************************************/
FLINT_DLL void mpf_mat_gso(mpf_mat_t B, const mpf_mat_t A);
FLINT_DLL void mpf_mat_qr(mpf_mat_t Q, mpf_mat_t R, const mpf_mat_t A);
#ifdef __cplusplus
}
#endif
#endif
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