mirror of
https://github.com/wassname/simpeg.git
synced 2026-06-27 22:23:39 +08:00
Rowan Cockett
58 lines
1.6 KiB
Python
58 lines
1.6 KiB
Python
import unittest
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from SimPEG import *
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from SimPEG.Mesh import TensorMesh
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from SimPEG.Utils import sdiag
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import numpy as np
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import scipy.sparse as sparse
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TOLD = 1e-10
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TOLI = 1e-3
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numRHS = 5
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def dotest(MYSOLVER, multi=False, A=None, **solverOpts):
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if A is None:
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h1 = np.ones(10)*100.
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h2 = np.ones(10)*100.
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h3 = np.ones(10)*100.
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h = [h1,h2,h3]
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M = TensorMesh(h)
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D = M.faceDiv
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G = -M.faceDiv.T
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Msig = M.getFaceInnerProduct()
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A = D*Msig*G
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A[-1,-1] *= 1/M.vol[-1] # remove the constant null space from the matrix
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else:
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M = Mesh.TensorMesh([A.shape[0]])
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Ainv = MYSOLVER(A, **solverOpts)
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if multi:
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e = np.ones(M.nC)
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else:
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e = np.ones((M.nC, numRHS))
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rhs = A * e
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x = Ainv * rhs
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Ainv.clean()
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return np.linalg.norm(e-x,np.inf)
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class TestSolver(unittest.TestCase):
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def test_direct_spsolve_1(self): self.assertLess(dotest(Solver, False),TOLD)
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def test_direct_spsolve_M(self): self.assertLess(dotest(Solver, True),TOLD)
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def test_direct_splu_1(self): self.assertLess(dotest(SolverLU, False),TOLD)
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def test_direct_splu_M(self): self.assertLess(dotest(SolverLU, True),TOLD)
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def test_iterative_diag_1(self): self.assertLess(dotest(SolverDiag, False, A=Utils.sdiag(np.random.rand(10)+1.0)),TOLI)
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def test_iterative_diag_M(self): self.assertLess(dotest(SolverDiag, True, A=Utils.sdiag(np.random.rand(10)+1.0)),TOLI)
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def test_iterative_cg_1(self): self.assertLess(dotest(SolverCG, False),TOLI)
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def test_iterative_cg_M(self): self.assertLess(dotest(SolverCG, True),TOLI)
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if __name__ == '__main__':
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unittest.main()
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