#include <stdio.h>
#include <math.h>
#include <gsl/gsl_integration.h>

double mygamma(double);

int main(void){
	double x;
	for(x=0.05;x<=5.5;x+=0.05)
		printf("%g %g\n",x,mygamma(x));

	printf("\n\n");
	printf("%i %i\n",1,1);
	printf("%i %i\n",2,1);
	printf("%i %i\n",3,1*2);
	printf("%i %i\n",4,1*2*3);
	printf("%i %i\n",5,1*2*3*4);

}