def test_mirror_formula(): u, v, f = symbols('u, v, f') assert mirror_formula(focal_length=f, u=u) == f * u / (-f + u) assert mirror_formula(focal_length=f, v=v) == f * v / (-f + v) assert mirror_formula(u=u, v=v) == u * v / (u + v) assert mirror_formula(u=oo, v=v) == v assert mirror_formula(u=oo, v=oo) == oo
def test_mirror_formula(): u, v, f = symbols('u, v, f') assert mirror_formula(focal_length=f, u=u) == f*u/(-f + u) assert mirror_formula(focal_length=f, v=v) == f*v/(-f + v) assert mirror_formula(u=u, v=v) == u*v/(u + v) assert mirror_formula(u=oo, v=v) == v assert mirror_formula(u=oo, v=oo) == oo
def test_mirror_formula(): u, v, f = symbols('u, v, f') assert mirror_formula(focal_length=f, u=u) == f * u / (-f + u) assert mirror_formula(focal_length=f, v=v) == f * v / (-f + v) assert mirror_formula(u=u, v=v) == u * v / (u + v) assert mirror_formula(u=oo, v=v) == v assert mirror_formula(u=oo, v=oo) is oo assert mirror_formula(focal_length=oo, u=u) == -u assert mirror_formula(u=u, v=oo) == u assert mirror_formula(focal_length=oo, v=oo) is oo assert mirror_formula(focal_length=f, v=oo) == f assert mirror_formula(focal_length=oo, v=v) == -v assert mirror_formula(focal_length=oo, u=oo) is oo assert mirror_formula(focal_length=f, u=oo) == f assert mirror_formula(focal_length=oo, u=u) == -u raises(ValueError, lambda: mirror_formula(focal_length=f, u=u, v=v))
def test_mirror_formula(): u, v, f = symbols('u, v, f') assert mirror_formula(focal_length=f, u=u) == f*u/(-f + u) assert mirror_formula(focal_length=f, v=v) == f*v/(-f + v) assert mirror_formula(u=u, v=v) == u*v/(u + v) assert mirror_formula(u=oo, v=v) == v assert mirror_formula(u=oo, v=oo) == oo assert mirror_formula(focal_length=oo, u=u) == -u assert mirror_formula(u=u, v=oo) == u assert mirror_formula(focal_length=oo, v=oo) == oo assert mirror_formula(focal_length=f, v=oo) == f assert mirror_formula(focal_length=oo, v=v) == -v assert mirror_formula(focal_length=oo, u=oo) == oo assert mirror_formula(focal_length=f, u=oo) == f assert mirror_formula(focal_length=oo, u=u) == -u raises(ValueError, lambda: mirror_formula(focal_length=f, u=u, v=v))