test_old_ma.py 文件源码

def test_ptp(self):
        (x, X, XX, m, mx, mX, mXX,) = self.d
        (n, m) = X.shape
        self.assertEqual(mx.ptp(), mx.compressed().ptp())
        rows = np.zeros(n, np.float_)
        cols = np.zeros(m, np.float_)
        for k in range(m):
            cols[k] = mX[:, k].compressed().ptp()
        for k in range(n):
            rows[k] = mX[k].compressed().ptp()
        self.assertTrue(eq(mX.ptp(0), cols))
        self.assertTrue(eq(mX.ptp(1), rows))