/*   データの読み方の例
 *   usage: ./a.out 
 *
 * 
 */
#include <stdio.h>

int main ()
{
	FILE *fp;
	int i;
	int N=500;
	double Y[500]; 
	
	fp = fopen("r2494294obs", "r");
	if (fp == NULL){
			fprintf(stderr, "Can't open data file.\n");
			exit(-1);
	} 
	for (i=0; i<N; i++) {
		fscanf(fp,"%lf",&Y[i]);
	} 
	
	for (i=0; i<N; i++)
		printf("%3d: %.10lf\n",i, Y[i]); 

	fclose(fp);
}