def setUpClass(self):
self.env_orig = os.getenv('OPTKIT_USE_LOCALLIBS', '0')
os.environ['OPTKIT_USE_LOCALLIBS'] = '1'
self.libs = ConjugateGradientLibs()
self.tol_cg = 1e-12
self.rho_cg = 1e-4
self.maxiter_cg = 1000
self.A_test = self.A_test_gen
self.A_test_sparse = self.A_test_sparse_gen
