global.cpp

AdaBoost is an efficient tool in machine learning. It can combine a series of weak learners into a s

/****************************************************************************
 NJU Magic.  Copyright (c) 2007.  All Rights Reserved.            
  
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Permission to use, copy, or modify this software and its documentation
for educational and research purposes only and without fee is hereby
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original or modified form, including but not limited to distribution
in whole or in part, specific prior permission must be obtained from
NJU Magic and the authors.  These programs shall not be used, rewritten,
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without first obtaining appropriate licenses from NJU Magic. NJU Magic 
makes no representations about the suitability of this software for any
purpose.  It is provided "as is" without express or implied warranty.

---------------------------------------------------------------------

 File: global.cpp                 
 Authors: Yao Wei  
 Date Created    : 2007-8-11
                                          
****************************************************************************/

#include "global.h"

void myprint(const char * tchar)
{	
	time_t   now; 
	time(&now);  
	printf("\n####################################################\n"
		"%s\t%30s"
		"####################################################\n\n", 
		tchar, ctime(&now)); 
}

void printhelp()
{
	fprintf(stderr,"Usage (Press Enter to see more)\n");
		(void)getc(stdin);
	printf("(1): boost <max_iter> <trainfile> <modelfile>\n"
        "\tmax_iter     -> maximum number of Boosting step (<int>)\n"
		"\ttrainfile    -> the train file (<string>)\n"
		"\tmodelfile    -> the model file of trained Boosting (<string>)\n\n"
		"(2): boost <-test> <modelfile> <testfile>\n"
		"\tmodelfile    -> the model file of trained Boosting (<string>)\n"
		"\ttestfile     -> the test file (<string>)\n\n"
		"(3): boost <-predict> <modelfile> <predictfile> [outfile]\n"
		"\tmodelfile    -> the model file of trained Boosting (<string>)\n"
		"\tpredictfile  -> the predict file (<string>)\n"
		"\toutfile      -> the result file (<string>)\n\n");
}

void ** mymalloc2d(size_t size,int m, int n)
{
	void ** t = (void **)malloc(size * m);
	for(int i=0; i<m; i++)
		t[i] = malloc(size*n);
	return t;
}