Lines Matching refs:pi
31 const double pi = std::atan2(+0., -0.); in test_edges() local
46 is_about(r, -pi); in test_edges()
48 is_about(r, pi); in test_edges()
59 is_about(r, -pi/2); in test_edges()
61 is_about(r, pi/2); in test_edges()
68 is_about(r, -pi); in test_edges()
70 is_about(r, pi); in test_edges()
89 is_about(r, 0.75 * pi); in test_edges()
91 is_about(r, -0.75 * pi); in test_edges()
96 is_about(r, 0.25 * pi); in test_edges()
98 is_about(r, -0.25 * pi); in test_edges()
106 is_about(r, -pi); in test_edges()
108 is_about(r, pi); in test_edges()
119 is_about(r, -pi/2); in test_edges()
121 is_about(r, pi/2); in test_edges()