/usr/include/mgl2/fit.h is in libmgl-dev 2.1.3.1-4ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* fit.h is part of Math Graphic Library
* Copyright (C) 2007-2012 Alexey Balakin <mathgl.abalakin@gmail.ru> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Library General Public License as *
* published by the Free Software Foundation; either version 3 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 Library General Public *
* License along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef _MGL_FIT_H_
#define _MGL_FIT_H_
#include "mgl2/base.h"
//-----------------------------------------------------------------------------
#ifdef __cplusplus
extern "C" {
#endif
//-----------------------------------------------------------------------------
extern int mglFitPnts; ///< Number of output points in fitting
extern char mglFitRes[1024]; ///< Last fitted formula
HMDT MGL_EXPORT mgl_fit_1(HMGL gr, HCDT y, const char *eq, const char *var, HMDT ini, const char *opt);
HMDT MGL_EXPORT mgl_fit_2(HMGL gr, HCDT z, const char *eq, const char *var, HMDT ini, const char *opt);
HMDT MGL_EXPORT mgl_fit_3(HMGL gr, HCDT a, const char *eq, const char *var, HMDT ini, const char *opt);
HMDT MGL_EXPORT mgl_fit_xy(HMGL gr, HCDT x, HCDT y, const char *eq, const char *var, HMDT ini, const char *opt);
HMDT MGL_EXPORT mgl_fit_xyz(HMGL gr, HCDT x, HCDT y, HCDT z, const char *eq, const char *var, HMDT ini, const char *opt);
HMDT MGL_EXPORT mgl_fit_xyza(HMGL gr, HCDT x, HCDT y, HCDT z, HCDT a, const char *eq, const char *var, HMDT ini, const char *opt);
HMDT MGL_EXPORT mgl_fit_ys(HMGL gr, HCDT y, HCDT s, const char *eq, const char *var, HMDT ini, const char *opt);
HMDT MGL_EXPORT mgl_fit_xys(HMGL gr, HCDT x, HCDT y, HCDT s, const char *eq, const char *var, HMDT ini, const char *opt);
HMDT MGL_EXPORT mgl_fit_xyzs(HMGL gr, HCDT x, HCDT y, HCDT z, HCDT s, const char *eq, const char *var, HMDT ini, const char *opt);
HMDT MGL_EXPORT mgl_fit_xyzas(HMGL gr, HCDT x, HCDT y, HCDT z, HCDT a, HCDT s, const char *eq, const char *var, HMDT ini, const char *opt);
MGL_EXPORT const char *mgl_get_fit(HMGL gr);
HMDT MGL_EXPORT mgl_hist_x(HMGL gr, HCDT x, HCDT a, const char *opt);
HMDT MGL_EXPORT mgl_hist_xy(HMGL gr, HCDT x, HCDT y, HCDT a, const char *opt);
HMDT MGL_EXPORT mgl_hist_xyz(HMGL gr, HCDT x, HCDT y, HCDT z, HCDT a, const char *opt);
void MGL_EXPORT mgl_puts_fit(HMGL gr, double x, double y, double z, const char *prefix, const char *font, double size);
//-----------------------------------------------------------------------------
uintptr_t MGL_EXPORT mgl_fit_1_(uintptr_t* gr, uintptr_t* y, const char *eq, const char *var, uintptr_t *ini, const char *opt,int, int l, int n);
uintptr_t MGL_EXPORT mgl_fit_2_(uintptr_t* gr, uintptr_t* z, const char *eq, const char *var, uintptr_t *ini, const char *opt,int, int l, int n);
uintptr_t MGL_EXPORT mgl_fit_3_(uintptr_t* gr, uintptr_t* a, const char *eq, const char *var, uintptr_t *ini, const char *opt,int, int l, int n);
uintptr_t MGL_EXPORT mgl_fit_xy_(uintptr_t* gr, uintptr_t* x, uintptr_t* y, const char *eq, const char *var, uintptr_t *ini, const char *opt,int, int l, int n);
uintptr_t MGL_EXPORT mgl_fit_xyz_(uintptr_t* gr, uintptr_t* x, uintptr_t* y, uintptr_t* z, const char *eq, const char *var, uintptr_t *ini, const char *opt,int, int l, int n);
uintptr_t MGL_EXPORT mgl_fit_xyza_(uintptr_t* gr, uintptr_t* x, uintptr_t* y, uintptr_t* z, uintptr_t* a, const char *eq, const char *var, uintptr_t *ini, const char *opt,int, int l, int n);
uintptr_t MGL_EXPORT mgl_fit_ys_(uintptr_t* gr, uintptr_t* y, uintptr_t* ss, const char *eq, const char *var, uintptr_t *ini, const char *opt,int, int l, int n);
uintptr_t MGL_EXPORT mgl_fit_xys_(uintptr_t* gr, uintptr_t* x, uintptr_t* y, uintptr_t* ss, const char *eq, const char *var, uintptr_t *ini, const char *opt,int, int l, int n);
uintptr_t MGL_EXPORT mgl_fit_xyzs_(uintptr_t* gr, uintptr_t* x, uintptr_t* y, uintptr_t* z, uintptr_t* ss, const char *eq, const char *var, uintptr_t *ini, const char *opt,int, int l, int n);
uintptr_t MGL_EXPORT mgl_fit_xyzas_(uintptr_t* gr, uintptr_t* x, uintptr_t* y, uintptr_t* z, uintptr_t* a, uintptr_t* ss, const char *eq, const char *var, uintptr_t *ini, const char *opt,int, int l, int n);
uintptr_t MGL_EXPORT mgl_hist_x_(uintptr_t* gr, uintptr_t* x, uintptr_t* a, const char *opt,int);
uintptr_t MGL_EXPORT mgl_hist_xy_(uintptr_t* gr, uintptr_t* x, uintptr_t* y, uintptr_t* a, const char *opt,int);
uintptr_t MGL_EXPORT mgl_hist_xyz_(uintptr_t* gr, uintptr_t* x, uintptr_t* y, uintptr_t* z, uintptr_t* a, const char *opt,int);
void MGL_EXPORT mgl_puts_fit_(uintptr_t* gr, mreal *x, mreal *y, mreal *z, const char *prefix, const char *font, mreal *size, int l, int n);
//-----------------------------------------------------------------------------
#ifdef __cplusplus
}
#endif
//-----------------------------------------------------------------------------
#endif
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