Example #1
0
    def test_ker_shape_5_order_2_stride_2():

        arr_in = np.zeros((20, 30, 4), dtype=DTYPE)
        ker_shape = 5, 5
        arr_out = np.zeros((8, 13, 4), dtype=DTYPE)
        np.random.seed(42)
        arr_in[:] = np.random.randn(np.prod(arr_in.shape)).reshape(arr_in.shape)
        order = 2
        stride = 2

        idx = [[4, 3], [10, 6]]

        gt = np.array(
            [[4.81159449, 5.68032312, 5.07941389, 6.04614496], [4.87372255, 4.47074938, 4.07878876, 4.43441534]],
            dtype=DTYPE,
        )

        lpool(
            arr_in,
            arr_out=arr_out,
            ker_shape=ker_shape,
            order=order,
            stride=stride,
            plugin=plugin,
            plugin_kwargs=plugin_kwargs,
        )
        gv = arr_out[idx]
        assert_allclose_round(gv, gt, rtol=RTOL, atol=ATOL)

        arr_out = lpool(
            arr_in, ker_shape=ker_shape, order=order, stride=stride, plugin=plugin, plugin_kwargs=plugin_kwargs
        )
        gv = arr_out[idx]
        assert_allclose_round(gv, gt, rtol=RTOL, atol=ATOL)
Example #2
0
    def test_test_lena_npy_array():

        arr_in = lena()[::32, ::32].astype(DTYPE)

        idx = [[4, 2], [4, 2]]

        gt = np.array([1280.99987793, 992.0], dtype=DTYPE)

        arr_out = lpool(arr_in, plugin=plugin, plugin_kwargs=plugin_kwargs)
        gv = arr_out[idx]
        assert_allclose_round(gv, gt, rtol=RTOL, atol=ATOL)
Example #3
0
    def test_test_lena_pt3_array():

        lena32 = lena()[::32, ::32].astype(DTYPE) / 255.0
        arr_in = Array(lena32.shape, dtype=DTYPE)
        arr_in[:] = lena32

        idx = [[4, 2], [4, 2]]

        gt = np.array([5.02353001, 3.89019608], dtype=DTYPE)

        arr_out = lpool(arr_in, plugin=plugin, plugin_kwargs=plugin_kwargs)
        gv = arr_out[idx]
        assert_allclose_round(gv, gt, rtol=RTOL, atol=ATOL)
Example #4
0
    def test_default_lena():

        arr_in = lena().astype(np.float32) / 1.0
        idx = [[4, 2], [4, 2]]

        gt = np.array([1442.0, 1455.0], dtype=DTYPE)

        arr_out = lpool(arr_in, plugin=plugin, plugin_kwargs=plugin_kwargs)
        assert_equals(arr_out.ndim, arr_in.ndim)
        gv = arr_out[idx]
        print gv.shape
        print gv

        assert_allclose_round(gv, gt, rtol=RTOL, atol=ATOL)
Example #5
0
    def test_default_lena_non_C_contiguous():

        arr_in = lena() / 1.0
        arr_in = np.asfortranarray(arr_in)
        idx = [[4, 2], [4, 2]]

        gt = np.array([1442.0, 1455.0], dtype=DTYPE)

        try:
            arr_out = lpool(arr_in, plugin=plugin, plugin_kwargs=plugin_kwargs)
            assert_equals(arr_out.ndim, arr_in.ndim)
            gv = arr_out[idx]
            print gv.shape
            print gv

            assert_allclose_round(gv, gt, rtol=RTOL, atol=ATOL)
        except NotImplementedError:
            raise SkipTest
Example #6
0
    def test_default_input_d_1():

        arr_in = np.zeros((20, 30, 1), dtype=DTYPE)
        ker_shape = 5, 5
        arr_out = np.zeros((16, 26, 1), dtype=DTYPE)
        np.random.seed(42)
        arr_in[:] = np.random.randn(np.prod(arr_in.shape)).reshape(arr_in.shape)

        idx = [[4, 8], [20, 12]]

        gt = np.array([[-3.59586287], [9.16217232]], dtype=DTYPE)

        lpool(arr_in, arr_out=arr_out, ker_shape=ker_shape, plugin=plugin, plugin_kwargs=plugin_kwargs)
        gv = arr_out[idx]
        assert_allclose_round(gv, gt, rtol=RTOL, atol=ATOL)

        arr_out = lpool(arr_in, ker_shape=ker_shape, plugin=plugin, plugin_kwargs=plugin_kwargs)
        gv = arr_out[idx]
        assert_allclose_round(gv, gt, rtol=RTOL, atol=ATOL)
Example #7
0
    def test_ker_shape_5():
        arr_in = np.zeros((20, 30, 4), dtype=DTYPE)
        ker_shape = 5, 5
        arr_out = np.zeros((16, 26, 4), dtype=DTYPE)
        np.random.seed(42)
        arr_in[:] = np.random.randn(np.prod(arr_in.shape)).reshape(arr_in.shape)

        idx = [[4, 8], [20, 12]]

        gt = np.array(
            [[7.93315649, -0.24066222, 0.64046526, -3.51567388], [7.14803362, -2.99622989, 9.5001564, 11.99116325]],
            dtype=DTYPE,
        )

        lpool(arr_in, arr_out=arr_out, ker_shape=ker_shape, plugin=plugin, plugin_kwargs=plugin_kwargs)
        gv = arr_out[idx]
        assert_allclose_round(gv, gt, rtol=RTOL, atol=ATOL)

        arr_out = lpool(arr_in, ker_shape=ker_shape, plugin=plugin, plugin_kwargs=plugin_kwargs)
        gv = arr_out[idx]
        assert_allclose_round(gv, gt, rtol=RTOL, atol=ATOL)
Example #8
0
    def test_ker_shape_5_order_2():
        arr_in = np.zeros((20, 30, 4), dtype=DTYPE)
        ker_shape = 5, 5
        arr_out = np.zeros((16, 26, 4), dtype=DTYPE)
        np.random.seed(42)
        arr_in[:] = np.random.randn(np.prod(arr_in.shape)).reshape(arr_in.shape)
        order = 2

        idx = [[4, 8], [20, 12]]

        gt = np.array(
            [[5.22081137, 4.9204731, 3.75381684, 4.892416], [5.60951042, 4.28514147, 4.77592659, 5.77252817]],
            dtype=DTYPE,
        )

        lpool(arr_in, arr_out=arr_out, ker_shape=ker_shape, order=order, plugin=plugin, plugin_kwargs=plugin_kwargs)
        gv = arr_out[idx]
        assert_allclose_round(gv, gt, rtol=RTOL, atol=ATOL)

        arr_out = lpool(arr_in, ker_shape=ker_shape, order=order, plugin=plugin, plugin_kwargs=plugin_kwargs)
        gv = arr_out[idx]
        assert_allclose_round(gv, gt, rtol=RTOL, atol=ATOL)