#include <math.h>float erfcc(float x){	float t,z,ans;	z=fabs(x);	t=1.0/(1.0+0.5*z);	ans=t*exp(-z*z-1.26551223+t*(1.00002368+t*(0.37409196+t*(0.09678418+		t*(-0.18628806+t*(0.27886807+t*(-1.13520398+t*(1.48851587+		t*(-0.82215223+t*0.17087277)))))))));	return x >= 0.0 ? ans : 2.0-ans;}