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      1 /*
      2  * (C) Copyright 2014, Stephen M. Cameron.
      3  *
      4  * The license below covers all files distributed with fio unless otherwise
      5  * noted in the file itself.
      6  *
      7  *  This program is free software; you can redistribute it and/or modify
      8  *  it under the terms of the GNU General Public License version 2 as
      9  *  published by the Free Software Foundation.
     10  *
     11  *  This program is distributed in the hope that it will be useful,
     12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14  *  GNU General Public License for more details.
     15  *
     16  *  You should have received a copy of the GNU General Public License
     17  *  along with this program; if not, write to the Free Software
     18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
     19  *
     20  */
     21 
     22 #include <stdio.h>
     23 #include <string.h>
     24 
     25 #include "../y.tab.h"
     26 
     27 extern int evaluate_arithmetic_expression(const char *buffer, long long *ival,
     28 					  double *dval, double implied_units, int is_time);
     29 
     30 int main(int argc, char *argv[])
     31 {
     32 	int rc, bye = 0;
     33 	long long result;
     34 	double dresult;
     35 	char buffer[100];
     36 
     37 	do {
     38 		if (fgets(buffer, 90, stdin) == NULL)
     39 			break;
     40 		rc = strlen(buffer);
     41 		if (rc > 0 && buffer[rc - 1] == '\n')
     42 			buffer[rc - 1] = '\0';
     43 		rc = evaluate_arithmetic_expression(buffer, &result, &dresult, 1.0, 0);
     44 		if (!rc) {
     45 			printf("%lld (%20.20lf)\n", result, dresult);
     46 		} else {
     47 			fprintf(stderr, "Syntax error\n");
     48 			result = 0;
     49 			dresult = 0;
     50 		}
     51 	} while (!bye);
     52 	return 0;
     53 }
     54 
     55