const char *help = "\progname: mtest.cc\n\code2html: This program tests matrix2D class methods.\n\version: Torch3 vision2.0, 2004-2005\n\(c) Dan Sunday (http:www.softsurfer.com) and Sebastien Marcel (marcel@idiap.ch)\n";#include "general.h"#include "Matrix2D.h"#include "CmdLine.h"using namespace Torch;int main(int argc, char **argv){ 	real x1, y1; 	real x2, y2;	bool verbose;	// Construct the command line  	CmdLine cmd;	cmd.setBOption("write log", false);	  	// Put the help line at the beginning  	cmd.info(help);  	cmd.addText("\nArguments:");  	cmd.addRCmdArg("x1", &x1, "x1");  	cmd.addRCmdArg("y1", &y1, "y1");  	cmd.addRCmdArg("x2", &x2, "x2");  	cmd.addRCmdArg("y2", &y2, "y2");  	cmd.addText("\nOptions:");  	cmd.addBCmdOption("-verbose", &verbose, false, "verbose");	cmd.read(argc, argv);	Matrix2D v;	v.ptr[0][0] = x1; v.ptr[0][1] = x2;	v.ptr[1][0] = y1; v.ptr[1][1] = y2;	print("v = %s\n", v.sprint());	Matrix2D u;	Matrix2D w(1, 0, 0, 1);		print("w = %s\n", w.sprint());	// test operators	u = -v;			print("-v \t\t= %s\n", u.sprint());	u = 2*v;		print("2*v \t\t= %s\n", u.sprint());	u = v + w;		print("v + w \t\t= %s\n", u.sprint());	u = (v + w)/2;		print("(v + w)/2 \t= %s\n", u.sprint());	u = v - w;		print("v - w \t\t= %s\n", u.sprint());	u = (v - w)*0.5;	print("(v - w)*0.5 \t= %s\n", u.sprint());	//a = v * w;		print("v * w = %g\n", a);	print("\n");}