/usr/include/epix/plots.h is in epix 1.2.18-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* plots.h -- parametrized plotting algorithms
*
* This file is part of ePiX, a C++ library for creating high-quality
* figures in LaTeX
*
* Andrew D. Hwang <rot 13 nujnat at zngupf dot ubylpebff dot rqh>
*
* Version 1.0.23
* Last Change: January 13, 2007
*/
/*
* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
* Andrew D. Hwang <rot 13 nujnat at zngupf dot ubylpebff dot rqh>
* Department of Mathematics and Computer Science
* College of the Holy Cross
* Worcester, MA, 01610-2395, USA
*/
/*
* ePiX 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.
*
* ePiX 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 ePiX; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef EPIX_PLOTS
#define EPIX_PLOTS
#include "enums.h"
namespace ePiX {
class domain;
class domain_list;
class Deriv;
class Integral;
class P;
//// paths ////
// f:R -> R^3
void plot (P f(double), double t_min, double t_max, unsigned int n);
// f:R -> R x R x R
void plot (double f1(double), double f2(double), double f3(double),
double t_min, double t_max, unsigned int n);
// f:R -> R
void plot (double f(double), double t_min, double t_max, unsigned int n);
void plot (const Deriv&, double t_min, double t_max, unsigned int n);
void plot (const Integral&, double t_min, double t_max, unsigned int n);
// f: R -> R x R
void plot (double f1(double), double f2(double),
double t_min, double t_max, unsigned int n);
void polarplot (double f(double), double t_min, double t_max, unsigned int);
//// surfaces ////
// f:R^2 -> R x R x R
void plot(double f1(double u1, double u2),
double f2(double u1, double u2),
double f3(double u1, double u2),
const P& min, const P& max, const mesh& coarse, const mesh& fine);
void plot(double f1(double u1, double u2),
double f2(double u1, double u2),
double f3(double u1, double u2),
const domain& R);
// f:R^2 -> R
void plot(double f(double u1, double u2),
const P& p1, const P& p2, const mesh& coarse, const mesh& fine);
// f:R^2 -> R^3
void plot(P f(double, double), const domain&);
void plot(P f(double, double), const domain_list&);
// f:R^3 -> R^3
void plot(P f(double, double, double), const domain&);
void plot(P f(double, double, double), const domain_list&);
// Derivatives and integrals
void plot_deriv(double f(double), double a, double b, unsigned int n);
void plot_int(double f(double), double a, double b, unsigned int n);
void plot_int(double f(double), double x0, double a, double b, unsigned int);
void tan_line(double f1(double), double f2(double), double t0);
void tan_line(double f(double), double t0);
void tan_line(P f(double), double t0);
void envelope(double f1(double), double f2(double),
double, double, unsigned int);
void envelope(double f(double), double, double, unsigned int);
void envelope(P f(double), double, double, unsigned int);
void tan_field(double f1(double), double f2(double), double, double,
unsigned int);
void tan_field(P f(double), double, double, unsigned int);
// Slope, dart, and vector fields
// For slope and dart fields, the optional scale argument affects the
// (constant) drawn length of field elements. For vector fields, elements
// are drawn at true length, and "scale" affects the arrowhead size.
// planar fields
void slope_field(P F(double, double), const P& p, const P& q,
unsigned int, unsigned int, double scale=1.0);
void dart_field(P F(double, double), const P& p, const P& q,
unsigned int, unsigned int, double scale=1.0);
void vector_field(P F(double, double), const P& p, const P& q,
unsigned int, unsigned int, double scale=1.0);
void slope_field(P F(double, double), const domain& R,
double scale=1.0);
void dart_field(P F(double, double), const domain& R,
double scale=1.0);
void vector_field(P F(double, double), const domain& R,
double scale=1.0);
// spatial fields
void slope_field(P F(double, double, double), const P&, const P&,
unsigned int, unsigned int, double scale=1.0);
void dart_field(P F(double, double, double), const P&, const P&,
unsigned int, unsigned int, double scale=1.0);
void vector_field(P F(double, double, double), const P&, const P&,
unsigned int, unsigned int, double scale=1.0);
// spatial fields over a (3-D) domain
void slope_field(P F(double, double, double), const domain&,
double scale=1.0);
void dart_field(P F(double, double, double), const domain&,
double scale=1.0);
void vector_field(P F(double, double, double), const domain&,
double scale=1.0);
// Solutions of ODE systems
// start at time 0
void ode_plot (P F(double, double),
const P& start, double t_max, unsigned int);
void ode_plot (P F(double, double, double),
const P& start, double t_max, unsigned int);
// arbitrary start time
void ode_plot (P F(double, double),
const P& start, double t_min, double t_max, unsigned int);
void ode_plot (P F(double, double, double),
const P& start, double t_min, double t_max, unsigned int);
// flow x0 under field for specified time
P flow (P F(double, double), const P& start, double t_max, unsigned int n=0);
P flow (P F(double, double, double),
const P& start, double t_max, unsigned int n = 0);
void riemann_sum(double f(double), double a, double b,
unsigned int n, epix_integral_type TYPE);
// Jay Belanger's shaded plot functions -- December 1, 2002
void shadeplot(double f1(double), double f2(double), double, double,
unsigned int);
void shadeplot(double f(double), double t_min, double t_max, unsigned int);
void blackplot(double f1(double), double f2(double),
double t_min, double t_max, unsigned int);
void blackplot(double f(double), double t_min, double t_max, unsigned int);
void whiteplot(double f1(double), double f2(double),
double t_min, double t_max, unsigned int);
void whiteplot(double f(double), double t_min, double t_max, unsigned int);
// wiremesh surface plotting
void plot(P Phi(double, double),
const P&, const P&, const mesh& N, const mesh& num_pts);
/*
void clipplot(P Phi(double, double),
const P&, const P&, const mesh& N, const mesh& num_pts);
void cropplot(P Phi(double, double),
const P&, const P&, const mesh& N, const mesh& num_pts);
*/
} // end of namespace
#endif /* EPIX_PLOTS */
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