CPlot - C++ function plotter

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/**
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* CPlot
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* Simple function plotter in C++ that allows you to plot a one-variable function on a 2D graph
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* simply by passing its equation (in x variable) via argv. It was written using
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*
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* --> CImg library - For image manipulation
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* http://cimg.sourceforge.net
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* --> ExprParser library - For math expressions parsing and solving
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* http://blacklight.gotdns.org/cgi-bin/nopaste.pl?mode=view&id=1219044900
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*
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* To compile it after installing these two libraries:
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* g++ -o cplot cplot.cpp -lm -lpthread -lX11 -lexprparser
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*
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* To use it:
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* ./cplot "function_to_plot"
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*
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* Example:
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* ./cplot "e^(0.1*x)"
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*
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* copyleft 2008 by BlackLight
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* Released under GNU GPL licence v.3
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*/
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#include
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#include