public void testCalc() throws Exception {
imitators.Calc c = new imitators.Calc();
// Setup box params
c.xmin = 0;
c.xmax = 10;
c.ymin = 0;
c.ymax = 5;
// Tube center coordinates
c.xp = 5;
c.yp = 4;
c.setAlphaGrag(50);
// Check convert Rad <-> Grad
double eps = 0.001;
assertEquals(50.0, c.getAlphaGrad());
assertEquals(0.873, c.getAlphaRad(), eps);
assertEquals(-0.195, c.ylx(0), eps);
ISurface s = new TestSurface();
assertEquals(1.0, s.y(0.0));
double x0 = c.findRoot(s, 0.0, 5.0, eps);
assertEquals(2.307, x0, eps);
assertEquals(1.741, s.y(x0), eps);
}
