/usr/include/giac/tex.h is in libgiac-dev 1.2.3.57+dfsg1-2build3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2000,2014 B. Parisse, Institut Fourier, 38402 St Martin d'Heres
*
* 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 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 General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _GIAC_TEX_H
#define _GIAC_TEX_H
#include "first.h"
#include <string>
#include "vector.h"
#ifndef NO_NAMESPACE_GIAC
namespace giac {
#endif // ndef NO_NAMESPACE_GIAC
// dimension of the LaTeX output figures default 12 cm x 12 cm
extern double horiz_latex;
extern double vert_latex;
extern const char tex_preamble[];
extern const char tex_end[];
extern const char mbox_begin[];
extern const char mbox_end[];
class gen;
bool is_clipped(double a,double xmin,double xmax,double b,double ymin,double ymax,double c,double & x0,double &y0,double & x1,double &y1);
bool clip_line(double x1,double y1,double x2,double y2,double xmin,double ymin,double xmax,double ymax,int mode,double & xa,double & ya,double & xb,double & yb);
std::string get_path(const std::string & s);
std::string remove_path(const std::string &);
void evalfdouble2reim(const gen & a,gen & e,gen & f0,gen & f1,GIAC_CONTEXT);
void autoscaleminmax(std::vector<double> & v,double & m,double & M,bool fullview);
// return true if g has a circle inside so that we orthonormalize
bool autoscaleg(const gen & g,std::vector<double> & vx,std::vector<double> & vy,std::vector<double> & vz,GIAC_CONTEXT);
// read inside g for gl_x=xmin..xmax, gl_y= gl_z options and overwrite window limits
void overwrite_viewbox(const gen & g,double & window_xmin,double & window_xmax,double & window_ymin,double & window_ymax,double &window_zmin,double & window_zmax);
std::string gen2tex(const gen & e,GIAC_CONTEXT);
// convert _, &, {, } to \_ \& \{ \}
std::string translate_underscore(const std::string & s);
int greek2tex(const std::string & s,std::string & texs,bool mathmode);
std::string spread2tex(const matrice & m,int formule,GIAC_CONTEXT); // was formule=1 by default
gen graph2tex(const gen & args,const vecteur & v,GIAC_CONTEXT);
int graph2tex(FILE * file,const vecteur & v,double X1,double X2,double Y1,double Y2,double xunit,double yunit,const char * filename,bool logo,GIAC_CONTEXT);
int graph2tex(FILE * file,const vecteur & v,double X1,double X2,double Y1,double Y2,double Unit,const char * filename,bool logo,GIAC_CONTEXT);
int graph2tex(const std::string &s,const vecteur & v,double X1,double X2,double Y1,double Y2,double xunit,double yunit,bool logo,GIAC_CONTEXT);
int graph2tex(const std::string &s,const vecteur & v,double X1,double X2,double Y1,double Y2,double Unit,bool logo,GIAC_CONTEXT);
gen _graph2tex(const gen & args,GIAC_CONTEXT);
extern const unary_function_ptr * const at_graph2tex ;
gen _graph3d2tex(const gen & args,GIAC_CONTEXT);
extern const unary_function_ptr * const at_graph3d2tex ;
gen _latex(const gen & args,GIAC_CONTEXT);
extern const unary_function_ptr * const at_latex ;
extern const unary_function_ptr * const at_TeX ;
std::string get_path(const std::string & st);
std::string remove_path(const std::string & st);
#ifndef NO_NAMESPACE_GIAC
} // namespace giac
#endif // ndef NO_NAMESPACE_GIAC
#endif // _GIAC_TEX_H
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