test: add test of EigenSolver

unittest/CMakeLists.txt

@@ -48,3 +48,6 @@ SET_TESTS_PROPERTIES("py-dimensions" PROPERTIES DEPENDS ${PYWRAP})
 
 ADD_PYTHON_UNIT_TEST("py-version" "unittest/python/test_version.py" "python/eigenpy")
 SET_TESTS_PROPERTIES("py-version" PROPERTIES DEPENDS ${PYWRAP})
+
+ADD_PYTHON_UNIT_TEST("py-eigen-solver" "unittest/python/test_eigen_solver.py" "python/eigenpy")
+SET_TESTS_PROPERTIES("py-eigen-solver" PROPERTIES DEPENDS ${PYWRAP})

unittest/python/test_eigen_solver.py

+import eigenpy
+eigenpy.switchToNumpyArray()
+
+import numpy as np
+import numpy.linalg as la
+
+dim = 100
+A = np.random.rand(dim,dim)
+
+es = eigenpy.EigenSolver(A)
+
+V = es.eigenvectors()
+D = es.eigenvalues()
+
+assert eigenpy.is_approx(A.dot(V).real,V.dot(np.diag(D)).real)
+assert eigenpy.is_approx(A.dot(V).imag,V.dot(np.diag(D)).imag)