diff --git a/paddle/operators/cross_entropy_op.cc b/paddle/operators/cross_entropy_op.cc index ab1e1c101a10e09a81f7785d2f1514822e3bdf15..337ec41e50d8dfa48c94a803a55353d2a1e75931 100644 --- a/paddle/operators/cross_entropy_op.cc +++ b/paddle/operators/cross_entropy_op.cc @@ -29,7 +29,7 @@ class OnehotCrossEntropyOp : public framework::OperatorWithKernel { PADDLE_ENFORCE_EQ(X->dims().size(), 2, "X's dimension must be 2."); PADDLE_ENFORCE_EQ(label->dims().size(), 1, "label's dimension must be 1."); PADDLE_ENFORCE_EQ(X->dims()[0], label->dims()[0]); - ctx.Output("Y")->Resize({X->dims()[0]}); + ctx.Output("Y")->Resize({X->dims()[0], 1}); } }; diff --git a/python/paddle/v2/framework/tests/test_cross_entropy_op.py b/python/paddle/v2/framework/tests/test_cross_entropy_op.py index c2fc102a8b8de82da5c3fc5fee273790325908f8..253e7b8a24465da63a7eacd7983eb831251e6230 100644 --- a/python/paddle/v2/framework/tests/test_cross_entropy_op.py +++ b/python/paddle/v2/framework/tests/test_cross_entropy_op.py @@ -8,20 +8,22 @@ class TestCrossEntropy(OpTest): self.op_type = "onehot_cross_entropy" batch_size = 30 class_num = 10 + X = numpy.random.uniform(0.1, 1.0, [batch_size, class_num]).astype("float32") - label = (class_num / 2) * numpy.ones(batch_size).astype("int32") - self.inputs = {'X': X, 'label': label} - Y = [] - for i in range(0, batch_size): - Y.append(-numpy.log(X[i][label[i]])) - self.outputs = {'Y': numpy.array(Y).astype("float32")} + labels = numpy.random.randint(0, class_num, batch_size, dtype="int32") + + cross_entropy = numpy.asmatrix( + [[-numpy.log(X[i][labels[i]])] for i in range(X.shape[0])], + dtype="float32") + self.inputs = {"X": X, "label": labels} + self.outputs = {"Y": cross_entropy} def test_check_output(self): self.check_output() def test_check_grad(self): - self.check_grad(['X'], 'Y') + self.check_grad(["X"], "Y") if __name__ == "__main__":