+7. Figure out why this happens, too:
+
+ FAIL: test_scaling_icecream (test.symmetric_linear_game_test
+ .SymmetricLinearGameTest)
+ ----------------------------------------------------------------------
+ Traceback (most recent call last):
+ File "/home/mjo/src/dunshire/test/symmetric_linear_game_test.py",
+ line 336, in test_scaling_icecream
+ self.assert_scaling_works(L, K, e1, e2)
+ File "/home/mjo/src/dunshire/test/symmetric_linear_game_test.py",
+ line 318, in assert_scaling_works
+ self.assert_within_tol(alpha*value1, value2)
+ File "/home/mjo/src/dunshire/test/symmetric_linear_game_test.py",
+ line 254, in assert_within_tol
+ self.assertTrue(abs(first - second) < options.ABS_TOL)
+ AssertionError: False is not true
+
+
+ FAIL: test_translation_orthant (test.symmetric_linear_game_test
+ SymmetricLinearGameTest)
+ ----------------------------------------------------------------------
+ Traceback (most recent call last):
+ File "/home/mjo/src/dunshire/test/symmetric_linear_game_test.py",
+ line 374, in test_translation_orthant
+ self.assert_translation_works(L, K, e1, e2)
+ File "/home/mjo/src/dunshire/test/symmetric_linear_game_test.py",
+ line 366, in assert_translation_works
+ self.assert_within_tol(value2, inner_product(M*x_bar, y_bar))
+ File "/home/mjo/src/dunshire/test/symmetric_linear_game_test.py",
+ line 254, in assert_within_tol
+ self.assertTrue(abs(first - second) < options.ABS_TOL)
+ AssertionError: False is not true
+
+
+12. Investigate this test failure too. It looks like it was really
+ close to being solved, but we would have needed a fudge factor
+ of three instead of two.