beautify

src/operator/tensor/la_op-inl.h

@@ -502,8 +502,9 @@ struct det {
   static void op(const Tensor<xpu, 3, DType>& A, const Tensor<xpu, 1, DType>& det,
                  const Tensor<xpu, 3, DType>& LU, const Tensor<xpu, 2, int>& pivot,
                  const OpContext& ctx, const nnvm::NodeAttrs& attrs) {
-    if (A.shape_.Size() == 0U)
+    if (A.shape_.Size() == 0U) {
       return;
+    }
     Stream<xpu> *s = ctx.get_stream<xpu>();
     Tensor<xpu, 1, DType> sign = ctx.requested[0]
       .get_space_typed<xpu, 1, DType>(det.shape_, s);

src/operator/tensor/la_op.h

@@ -429,14 +429,11 @@ inline bool DetShape(const nnvm::NodeAttrs& attrs,
   CHECK_EQ(in[ndim-2], in[ndim-1]) << "Input A's last two dimension must be equal";
   mxnet::TShape out;
   if (ndim == 2) {
-    if (Imperative::Get()->is_np_shape()) {
+    if (Imperative::Get()->is_np_shape() || in.Size() == 0U) {
       out = mxnet::TShape(0, 1);
     } else {
       out = mxnet::TShape(1, 1);
     }
-    if (in.Size() == 0U) {
-      out = mxnet::TShape(0, -1);
-    }
   } else {
     out = mxnet::TShape(in.begin(), in.end() - 2);
   }