diff options
Diffstat (limited to 'tests/python/test_line2d.py')
| -rw-r--r-- | tests/python/test_line2d.py | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/tests/python/test_line2d.py b/tests/python/test_line2d.py index 4c3d174..8b6e200 100644 --- a/tests/python/test_line2d.py +++ b/tests/python/test_line2d.py @@ -586,10 +586,66 @@ class Test2DKernel(unittest.TestCase): else: raise RuntimeError("Unsupported projector") + def single_test_adjoint(self, type, proj_type): + shape = np.random.randint(*range2d, size=2) + if FLEXVOL: + if not NONSQUARE: + pixsize = np.array([0.5, 0.5]) + np.random.random() + else: + pixsize = 0.5 + np.random.random(size=2) + origin = 10 * np.random.random(size=2) + else: + pixsize = (1.,1.) + origin = (0.,0.) + vg = astra.create_vol_geom(shape[1], shape[0], + origin[0] - 0.5 * shape[0] * pixsize[0], + origin[0] + 0.5 * shape[0] * pixsize[0], + origin[1] - 0.5 * shape[1] * pixsize[1], + origin[1] + 0.5 * shape[1] * pixsize[1]) + + if type == 'parallel': + pg = gen_random_geometry_parallel() + projector_id = astra.create_projector(proj_type, pg, vg) + elif type == 'parallel_vec': + pg = gen_random_geometry_parallel_vec() + projector_id = astra.create_projector(proj_type, pg, vg) + elif type == 'fanflat': + pg = gen_random_geometry_fanflat() + projector_id = astra.create_projector(proj_type_to_fan(proj_type), pg, vg) + elif type == 'fanflat_vec': + pg = gen_random_geometry_fanflat_vec() + projector_id = astra.create_projector(proj_type_to_fan(proj_type), pg, vg) + + for i in range(5): + X = np.random.random((shape[1], shape[0])) + Y = np.random.random(astra.geom_size(pg)) + + sinogram_id, fX = astra.create_sino(X, projector_id) + bp_id, fTY = astra.create_backprojection(Y, projector_id) + + astra.data2d.delete(sinogram_id) + astra.data2d.delete(bp_id) + + da = np.dot(fX.ravel(), Y.ravel()) + db = np.dot(X.ravel(), fTY.ravel()) + m = np.abs(da - db) + TOL = 1e-3 if 'cuda' not in proj_type else 1e-1 + if m / da >= TOL: + print(vg) + print(pg) + print(m/da, da/db, da, db) + self.assertTrue(m / da < TOL) + astra.projector.delete(projector_id) + + def multi_test(self, type, proj_type): np.random.seed(seed) for _ in range(nloops): self.single_test(type, proj_type) + def multi_test_adjoint(self, type, proj_type): + np.random.seed(seed) + for _ in range(nloops): + self.single_test_adjoint(type, proj_type) __combinations = { 'parallel': [ 'line', 'linear', 'distance_driven', 'strip', 'cuda' ], 'parallel_vec': [ 'line', 'linear', 'distance_driven', 'strip', 'cuda' ], @@ -600,7 +656,10 @@ for k, l in __combinations.items(): for v in l: def f(k,v): return lambda self: self.multi_test(k, v) + def f_adj(k,v): + return lambda self: self.multi_test_adjoint(k, v) setattr(Test2DKernel, 'test_' + k + '_' + v, f(k,v)) + setattr(Test2DKernel, 'test_' + k + '_' + v + '_adjoint', f_adj(k,v)) if __name__ == '__main__': unittest.main() |