Exemplo n.º 1
0
    def test_convolve_data_adjoint_full(self):
        mode = 'full'
        devices = [backend.cpu_device]
        if config.cupy_enabled:
            devices.append(backend.Device(0))

        for device in devices:
            xp = device.xp
            with device:
                for dtype in dtypes:
                    with self.subTest(dtype=dtype, device=device):
                        output = xp.ones([1, 5], dtype=dtype)
                        filt = xp.ones([1, 3], dtype=dtype)
                        data_shape = [1, 3]
                        data = backend.to_device(
                            conv.convolve_data_adjoint(output,
                                                       filt,
                                                       data_shape,
                                                       mode=mode))
                        npt.assert_allclose(data, [[3, 3, 3]], atol=1e-5)

                        output = xp.ones([1, 4], dtype=dtype)
                        filt = xp.ones([1, 2], dtype=dtype)
                        data_shape = [1, 3]
                        data = backend.to_device(
                            conv.convolve_data_adjoint(output,
                                                       filt,
                                                       data_shape,
                                                       mode=mode))
                        npt.assert_allclose(data, [[2, 2, 2]], atol=1e-5)

                        output = xp.ones([2, 1, 5], dtype=dtype)
                        filt = xp.ones([2, 1, 1, 3], dtype=dtype)
                        data_shape = [1, 1, 3]
                        data = backend.to_device(
                            conv.convolve_data_adjoint(output,
                                                       filt,
                                                       data_shape,
                                                       mode=mode,
                                                       multi_channel=True),
                            backend.cpu_device)
                        npt.assert_allclose(data, [[[6, 6, 6]]], atol=1e-5)

                        output = xp.ones([2, 1, 5], dtype=dtype)
                        filt = xp.ones([2, 1, 1, 3], dtype=dtype)
                        data_shape = [1, 1, 8]
                        strides = [1, 2]
                        data = backend.to_device(
                            conv.convolve_data_adjoint(output,
                                                       filt,
                                                       data_shape,
                                                       mode=mode,
                                                       strides=strides,
                                                       multi_channel=True),
                            backend.cpu_device)
                        npt.assert_allclose(data, [[[4, 2, 4, 2, 4, 2, 4, 2]]],
                                            atol=1e-5)
Exemplo n.º 2
0
 def _apply(self, input):
     return conv.convolve_data_adjoint(input,
                                       self.filt,
                                       self.oshape,
                                       mode=self.mode,
                                       strides=self.strides,
                                       multi_channel=self.multi_channel)
Exemplo n.º 3
0
 def _apply(self, input):
     device = backend.get_device(input)
     filt = backend.to_device(self.filt, device)
     with device:
         return conv.convolve_data_adjoint(
             input, filt, self.oshape,
             mode=self.mode, strides=self.strides,
             multi_channel=self.multi_channel)