提交 7cf640b5 编写于 作者: P Peng Li

add coeff parameter to classification_cost

上级 94bfe2b6
......@@ -3839,7 +3839,8 @@ def classification_cost(input,
weight=None,
name=None,
evaluator=classification_error_evaluator,
layer_attr=None):
layer_attr=None,
coeff=1.):
"""
classification cost Layer.
......@@ -3855,6 +3856,8 @@ def classification_cost(input,
:param evaluator: Evaluator method.
:param layer_attr: layer's extra attribute.
:type layer_attr: ExtraLayerAttribute
:param coeff: The coefficient affects the gradient in the backward.
:type coeff: float
:return: LayerOutput object.
:rtype: LayerOutput
"""
......@@ -3868,6 +3871,7 @@ def classification_cost(input,
name=name,
type="multi-class-cross-entropy",
inputs=ipts,
coeff=coeff,
**ExtraLayerAttribute.to_kwargs(layer_attr))
def __add_evaluator__(e):
......
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