Lines Matching refs:pi
37 const double pi = std::atan2(+0., -0.); in test_edges() local
46 is_about(r.imag(), -pi/2); in test_edges()
48 is_about(r.imag(), pi/2); in test_edges()
62 is_about(r.imag(), -pi); in test_edges()
64 is_about(r.imag(), pi); in test_edges()
71 is_about(r.imag(), -pi/2); in test_edges()
73 is_about(r.imag(), pi/2); in test_edges()
85 is_about(r.imag(), -pi); in test_edges()
87 is_about(r.imag(), pi); in test_edges()
101 is_about(r.imag(), -0.75 * pi); in test_edges()
103 is_about(r.imag(), 0.75 * pi); in test_edges()
110 is_about(r.imag(), -0.25 * pi); in test_edges()
112 is_about(r.imag(), 0.25 * pi); in test_edges()