add raises in tf_backend docstrings` (#5144)
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@ -77,6 +77,9 @@ def learning_phase():
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def set_learning_phase(value):
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"""Sets the learning phase to a fixed value,
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either 0 or 1 (integers).
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# Raises
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ValueError: if `value` is neither `0` nor `1`.
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"""
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global _GRAPH_LEARNING_PHASES
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if value not in {0, 1}:
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@ -1460,6 +1463,9 @@ def resize_images(X, height_factor, width_factor, dim_ordering):
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# Returns
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A tensor.
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# Raises
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ValueError: if `dim_ordering` is neither `tf` or `th`.
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"""
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if dim_ordering == 'th':
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original_shape = int_shape(X)
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@ -1492,6 +1498,9 @@ def resize_volumes(X, depth_factor, height_factor, width_factor, dim_ordering):
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# Returns
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A tensor.
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# Raises
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ValueError: if `dim_ordering` is neither `tf` or `th`.
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"""
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if dim_ordering == 'th':
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output = repeat_elements(X, depth_factor, axis=2)
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@ -1645,6 +1654,9 @@ def spatial_2d_padding(x, padding=(1, 1), dim_ordering='default'):
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# Returns
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A padded 4D tensor.
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# Raises
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ValueError: if `dim_ordering` is neither `tf` or `th`.
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"""
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if dim_ordering == 'default':
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dim_ordering = image_dim_ordering()
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@ -1670,6 +1682,9 @@ def asymmetric_spatial_2d_padding(x, top_pad=1, bottom_pad=1,
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# Returns
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A padded 4D tensor.
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# Raises
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ValueError: if `dim_ordering` is neither `tf` or `th`.
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"""
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if dim_ordering == 'default':
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dim_ordering = image_dim_ordering()
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@ -1698,6 +1713,10 @@ def spatial_3d_padding(x, padding=(1, 1, 1), dim_ordering='default'):
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# Returns
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A padded 5D tensor.
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# Raises
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ValueError: if `dim_ordering` is neither `tf` or `th`.
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"""
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if dim_ordering == 'default':
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dim_ordering = image_dim_ordering()
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@ -1979,6 +1998,12 @@ def rnn(step_function, inputs, initial_states,
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at time `t` for sample `s`.
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new_states: list of tensors, latest states returned by
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the step function, of shape `(samples, ...)`.
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# Raises
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ValueError: if input dimension is less than 3.
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ValueError: if `unroll` is `True` but input timestep is not a fixed number.
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ValueError: if `mask` is provided (not `None`) but states is not provided
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(`len(states)` == 0).
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"""
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ndim = len(inputs.get_shape())
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if ndim < 3:
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@ -2616,6 +2641,9 @@ def conv2d(x, kernel, strides=(1, 1), border_mode='valid',
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# Returns
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A tensor, result of 2D convolution.
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# Raises
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ValueError: if `dim_ordering` is neither `tf` or `th`.
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"""
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if dim_ordering == 'default':
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dim_ordering = image_dim_ordering()
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@ -2653,6 +2681,9 @@ def deconv2d(x, kernel, output_shape, strides=(1, 1),
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# Returns
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A tensor, result of transposed 2D convolution.
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# Raises
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ValueError: if `dim_ordering` is neither `tf` or `th`.
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"""
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if dim_ordering == 'default':
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dim_ordering = image_dim_ordering()
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@ -2690,6 +2721,9 @@ def atrous_conv2d(x, kernel, rate=1,
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# Returns
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A tensor, result of atrous transposed 2D convolution.
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# Raises
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ValueError: if `dim_ordering` is neither `tf` or `th`.
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"""
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if dim_ordering == 'default':
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dim_ordering = image_dim_ordering()
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@ -2710,6 +2744,9 @@ def atrous_conv2d(x, kernel, rate=1,
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def separable_conv2d(x, depthwise_kernel, pointwise_kernel, strides=(1, 1),
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border_mode='valid', dim_ordering='default'):
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"""2-D convolution with separable filters.
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# Raises
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ValueError: if `dim_ordering` is neither `tf` or `th`.
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"""
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if dim_ordering == 'default':
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dim_ordering = image_dim_ordering()
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@ -2744,6 +2781,9 @@ def conv3d(x, kernel, strides=(1, 1, 1),
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# Returns
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A tensor, result of 3D convolution.
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# Raises
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ValueError: if `dim_ordering` is neither `tf` or `th`.
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"""
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if dim_ordering == 'default':
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dim_ordering = image_dim_ordering()
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@ -2773,6 +2813,10 @@ def pool2d(x, pool_size, strides=(1, 1),
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# Returns
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A tensor, result of 2D pooling.
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# Raises
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ValueError: if `dim_ordering` is neither `tf` or `th`.
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ValueError: if `pool_mode` is neither `max` or `avg`.
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"""
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if dim_ordering == 'default':
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dim_ordering = image_dim_ordering()
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@ -2808,6 +2852,10 @@ def pool3d(x, pool_size, strides=(1, 1, 1), border_mode='valid',
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# Returns
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A tensor, result of 3D pooling.
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# Raises
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ValueError: if `dim_ordering` is neither `tf` or `th`.
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ValueError: if `pool_mode` is neither `max` or `avg`.
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"""
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if dim_ordering == 'default':
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dim_ordering = image_dim_ordering()
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