/usr/include/hkl/hkl-matrix.h is in libhkl-dev 4.0.3-4ubuntu1.
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 | /* This file is part of the hkl library.
*
* The hkl library 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 3 of the License, or
* (at your option) any later version.
*
* The hkl library 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 the hkl library. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright (C) 2003-2010 Synchrotron SOLEIL
* L'Orme des Merisiers Saint-Aubin
* BP 48 91192 GIF-sur-YVETTE CEDEX
*
* Authors: Picca Frédéric-Emmanuel <picca@synchrotron-soleil.fr>
*/
#ifndef __HKL_MATRIX_H__
#define __HKL_MATRIX_H__
#include <stdio.h>
#include <hkl/hkl-macros.h>
#include <hkl/hkl-vector.h>
HKL_BEGIN_DECLS
struct _HklMatrix
{
double data[3][3];
};
extern void hkl_matrix_init(HklMatrix *self,
double m11, double m12, double m13,
double m21, double m22, double m23,
double m31, double m32, double m33);
extern void hkl_matrix_init_from_two_vector(HklMatrix *self,
const HklVector *v1, const HklVector *v2);
extern void hkl_matrix_init_from_euler(HklMatrix *self,
double euler_x, double euler_y, double euler_z);
extern void hkl_matrix_fprintf(FILE *file, const HklMatrix *self);
extern void hkl_matrix_to_euler(const HklMatrix *self,
double *euler_x, double *euler_y, double *euler_z);
extern int hkl_matrix_cmp(const HklMatrix *self, const HklMatrix *m);
extern void hkl_matrix_times_matrix(HklMatrix *self, const HklMatrix *m);
extern void hkl_matrix_times_vector(const HklMatrix *self, HklVector *v);
extern void hkl_matrix_transpose(HklMatrix *self);
extern double hkl_matrix_det(const HklMatrix *self);
extern int hkl_matrix_solve(const HklMatrix *self,
HklVector *x, const HklVector *b);
extern int hkl_matrix_is_null(const HklMatrix *self);
HKL_END_DECLS
#endif
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