Add residual testing

2019-11-12 01:10:01 -08:00 · 2019-11-12 01:10:01 -08:00 · b24b5d169f
commit b24b5d169f
parent 0fd6df441e
1 changed files with 7 additions and 0 deletions
--- a/meanas/test/test_fdfd.py
+++ b/meanas/test/test_fdfd.py
@ -8,6 +8,13 @@ from .. import fdfd, vec, unvec
 from .utils import assert_close, assert_fields_close, PRNG


+def test_residual(sim):
+    A = fdfd.operators.e_full(sim.omega, sim.dxes, vec(sim.epsilon)).tocsr()
+    b = -1j * sim.omega * vec(sim.j)
+    residual = A @ vec(sim.e) - b
+    assert numpy.linalg.norm(residual) < 1e-10
+
+
 def test_poynting_planes(sim):
    mask = (sim.j != 0).any(axis=0)
    if mask.sum() != 2: