def common_backpropdata_extender(op: Node):
for attr in ['strides', 'output_padding', 'pads_begin', 'pads_end', 'dilations']:
Extender.attr_to_list(op, attr)
if op.has_valid('output_padding'):
op.output_padding = int64_array([0, 0] + op.output_padding)
dim = len(op.strides)
if op.has_valid('pads_begin') and op.has_valid('pads_end'):
pad = [[0, 0], [0, 0]]
pad.extend([[op.pads_begin[i], op.pads_end[i]] for i in range(dim)])
op['pad'] = int64_array(pad)
op['spatial_dims'] = [i + 2 for i in range(dim)]
if not op.has_valid('dilations'):
op['dilations'] = [1 for _ in range(dim)]
if not op.has_valid('strides'):
op['strides'] = [1 for _ in range(dim)]
op['dilation'] = int64_array([1, 1] + op.dilations)
op['stride'] = int64_array([1, 1] + op.strides)
op['infer'] = backpropdata_infer
def extend(op: Node):
for attr in [
'strides', 'dilations', 'pads_begin', 'pads_end',
'output_padding'
]:
Extender.attr_to_list(op, attr)
op['stride'] = int64_array([1, 1] + op.strides)
op['dilation'] = int64_array([1, 1] + op.dilations)
op['batch_dims'] = int64_array([0])
op['channel_dims'] = int64_array([1])
if op.has_valid('output_padding'):
op.output_padding = int64_array([0, 0] + op.output_padding)
# Be VERY careful with these attributes!
op['input_feature_channel'] = 1
op['output_feature_channel'] = 0
dim = len(op.pads_begin)
assert dim in (1, 2, 3), '{}D Convolution not supported!'.format(dim)
pad = [[0, 0], [0, 0]]
pad.extend([[op.pads_begin[i], op.pads_end[i]] for i in range(dim)])
op['pad'] = int64_array(pad)
op['spatial_dims'] = [i + 2 for i in range(dim)]