www.pudn.com > TestContant.rar > TestConstant.c

/* 
 *说明:Input.txt是输入测试文件,out.txt是输出结果. 
*/ 
 
#include  
#include  
#include  
#include  
 
#define keyword_amount 3 
char *keyword[2][keyword_amount]={{"Pi","E","Degree"}, 
	{"0.314159265359E1","0.271828182846E1","0.174532E-1"}}; 
 
/*in our DFA,we have 7 states and 6 kinds of input+other input*/ 
signed char table[7][7]={ 
	/*digit,'.','+','-','E','\n',other*/ 
	{1,6,-1,-1,-1,-1,-1}, 
	{1,2,-1,-1,-1,7,-1}, 
	{2,-1,-1,-1,3,7,-1}, 
	{5,-1,4,4,-1,7,-1}, 
	{5,-1,-1,-1,-1,-1,-1}, 
	{5,-1,-1,-1,-1,7,-1}, 
	{2,-1,-1,-1,-1,-1,-1}}; 
 
int string2int(char *string) 
{ 
	int num=0,i; 
	for(i=0;i=0;j--) 
	{ 
		tmp=tmp/10+part[j]-'0'; 
	} 
	num+=tmp/10; 
 
	/*calcute part3*/ 
	if('E'==string[i]||'e'==string[i]) 
		i++; 
	j=0; 
	flag=10; 
	if('-'==string[i]) 
	{ 
		flag=0.1; 
		i++; 
	} 
	if('+'==string[i]) 
		i++; 
	part[0]='\0'; 
	while('\0'!=string[i]) 
	{ 
		part[j]=string[i]; 
		i++; 
		j++; 
	} 
	part[j]='\0'; 
	for(i=string2int(part);i>0;i--) 
		num*=flag; 
	sprintf(string,"%1.12e",num); 
} 
void main (int argc, char *argv[]) 
{ 
	char ch,buffer[64]; 
	int i,j,state,tmp; 
	FILE *fin,*fout; 
	char fnMat[13], fnSci[13], command[13+6]; 
 
	if (argc<2 || argc>3) 
	{ 
                printf("none filename"); 
		exit(0); 
	} 
 
	strlwr(argv[1]); 
	if ( strstr (argv[1], ".mat") ) 
		strcpy (fnMat, argv[1]); 
	else 
	{ 
		strcpy (fnMat, argv[1]); 
		strcat (fnMat, ".mat"); 
	} 
 
	if (argc==3) 
	{ 
		strlwr(argv[2]); 
		if ( strstr (argv[2],".sci") ) 
			strcpy (fnSci, argv[2]); 
		else 
		{ 
			strcpy (fnSci, argv[2]); 
			strcat (fnSci, ".sci"); 
		} 
	} 
	else 
	{ 
                        strcpy (fnSci, fnMat); 
		fnSci [strlen(fnSci)-3]='s'; 
		fnSci [strlen(fnSci)-2]='c'; 
		fnSci [strlen(fnSci)-1]='i'; 
	} 
 
        fin=fopen (fnMat, "r"); 
        fout=fopen(fnSci,"w"); 
	if(NULL==fin || NULL==fout) 
	{ 
		printf("file open error."); 
		exit(0); 
	} 
 
	ch=fgetc(fin); 
	while(!feof(fin)) 
	{ 
		if(' '==ch || '\n'==ch) 
			ch=fgetc(fin); 
		else if(isalpha(ch)) /*if ch is a character*/ 
		{ 
			i=0; 
			do 
			{ 
				buffer[i]=ch; 
				i++; 
				ch=fgetc(fin); 
			}while('\n'!=ch); 
			buffer[i]='\0'; 
			for(i=0;i