class FuncTest2{

public static void main(String[] args){

int[] coefs1 = {-3,1};

RFunc p1 = new Poly(coefs1);

double x = p1.bracketRoot(0.0,4.0,0.0000000001);

System.out.println((float)x);

int[] coefs2 = {-3,0,1};

p1 = new Poly(coefs2);

x = p1.bracketRoot(0.0,4.0,0.0000000001);

System.out.println((float)x);

System.out.println((float)(x*x));

int[] coefs3 = {-5,0,1};

p1 = new Poly(coefs3);

x = p1.bracketRoot(0.0,4.0,0.0000000001);

System.out.println((float)x);

int[] coefs3a = {-10,17,-8,1};

p1 = new Poly(coefs3a);

x = p1.bracketRoot(4.0,8.0,0.0000000001);

System.out.println((float)x);

int[] coefs4 = {-1,-1,1};

p1 = new Poly(coefs4);

x = p1.bracketRoot(0.0,4.0,0.0000000001);

System.out.println((float)x);

System.out.println((float)(1/x));

System.out.println((float)(x - 1));

p1 = new Poly(new int[] {4,0,-1});

x = p1.defIntegral(0.0,2.0,1024*1024);

System.out.println((float)x);

}

}