adapt to the new infershape interface

paddle/operators/margin_rank_loss_op.cc

@@ -22,28 +22,21 @@ class MarginRankLossOp : public framework::OperatorWithKernel {
   using framework::OperatorWithKernel::OperatorWithKernel;
 
  protected:
-  void InferShape(const framework::InferShapeContext &ctx) const override {
+  void InferShape(framework::InferShapeContextBase *ctx) const override {
     // input check
-    PADDLE_ENFORCE_NOT_NULL(ctx.InputVar("Label"),
-                            "Input(Label) shouldn't be null.");
-    PADDLE_ENFORCE_NOT_NULL(ctx.InputVar("X1"), "Input(X1) shouldn't be null.");
-    PADDLE_ENFORCE_NOT_NULL(ctx.InputVar("X2"), "Input(X2) shouldn't be null.");
-    PADDLE_ENFORCE_NOT_NULL(ctx.OutputVar("Out"),
-                            "Output(X2) shouldn't be null.");
-    auto label_dims = ctx.Input<framework::Tensor>("Label")->dims();
-    auto x1_dims = ctx.Input<framework::Tensor>("X1")->dims();
-    auto x2_dims = ctx.Input<framework::Tensor>("X2")->dims();
-    PADDLE_ENFORCE((label_dims == x1_dims) && (x1_dims == x2_dims) &&
-                       (label_dims.size() == 2) && (label_dims[1] == 1),
-                   "All inputs must be vector with the same size.");
-    auto act_t = ctx.Output<framework::LoDTensor>("Activated");
-    auto out_t = ctx.Output<framework::LoDTensor>("Out");
-    if (act_t) {
-      act_t->Resize(label_dims);
-    }
-    if (out_t) {
-      out_t->Resize(label_dims);
-    }
+    PADDLE_ENFORCE(ctx->HasInput("Label"), "Input(Label) shouldn't be null.");
+    PADDLE_ENFORCE(ctx->HasInput("X1"), "Input(X1) shouldn't be null.");
+    PADDLE_ENFORCE(ctx->HasInput("X2"), "Input(X2) shouldn't be null.");
+    PADDLE_ENFORCE(ctx->HasOutput("Out"), "Output(Out) shouldn't be null.");
+    auto label_dims = ctx->GetInputDim("Label");
+    auto x1_dims = ctx->GetInputDim("X1");
+    auto x2_dims = ctx->GetInputDim("X2");
+    PADDLE_ENFORCE(
+        (label_dims == x1_dims) && (x1_dims == x2_dims) &&
+            (label_dims.size() == 2) && (label_dims[1] == 1),
+        "All inputs must be 2-D tensor with shape [batch_size x 1].");
+    ctx->SetOutputDim("Activated", label_dims);
+    ctx->SetOutputDim("Out", label_dims);
   }
 };
 
@@ -71,7 +64,7 @@ class MarginRankLossOpMaker : public framework::OpProtoAndCheckerMaker {
         .AsIntermediate();
     AddOutput("Out",
               "(2-D tensor with shape [batch_size x 1])"
-              "The output loss of MarginRankLoss operator");
+              "The output loss of MarginRankLoss operator.");
     AddComment(R"DOC(
 
 MarginRankLoss operator measures the loss given a pair of input {`X1`, `X2`}
@@ -96,26 +89,17 @@ class MarginRankLossGradOp : public framework::OperatorWithKernel {
   using framework::OperatorWithKernel::OperatorWithKernel;
 
  protected:
-  void InferShape(const framework::InferShapeContext &ctx) const override {
-    PADDLE_ENFORCE_NOT_NULL(ctx.InputVar("Label"),
-                            "Input(Label) shouldn't be null.");
-    PADDLE_ENFORCE_NOT_NULL(ctx.InputVar("X1"), "Input(X1) shouldn't be null.");
-    PADDLE_ENFORCE_NOT_NULL(ctx.InputVar("X2"), "Input(X2) shouldn't be null.");
-    PADDLE_ENFORCE_NOT_NULL(ctx.InputVar(framework::GradVarName("Out")),
-                            "Input(Out@GRAD) shouldn't be null.");
-    PADDLE_ENFORCE_NOT_NULL(ctx.InputVar("Activated"),
-                            "Intermediate(Activated) shouldn't be null.");
-    auto dims = ctx.Input<framework::Tensor>("X1")->dims();
-    auto *x1_grad =
-        ctx.Output<framework::LoDTensor>(framework::GradVarName("X1"));
-    auto *x2_grad =
-        ctx.Output<framework::LoDTensor>(framework::GradVarName("X2"));
-    if (x1_grad) {
-      x1_grad->Resize(dims);
-    }
-    if (x2_grad) {
-      x2_grad->Resize(dims);
-    }
+  void InferShape(framework::InferShapeContextBase *ctx) const override {
+    PADDLE_ENFORCE(ctx->HasInput("Label"), "Input(Label) shouldn't be null.");
+    PADDLE_ENFORCE(ctx->HasInput("X1"), "Input(X1) shouldn't be null.");
+    PADDLE_ENFORCE(ctx->HasInput("X2"), "Input(X2) shouldn't be null.");
+    PADDLE_ENFORCE(ctx->HasInput(framework::GradVarName("Out")),
+                   "Input(Out@GRAD) shouldn't be null.");
+    PADDLE_ENFORCE(ctx->HasInput("Activated"),
+                   "Intermediate(Activated) shouldn't be null.");
+    auto dims = ctx->GetInputDim("Label");
+    ctx->SetOutputDim(framework::GradVarName("X1"), dims);
+    ctx->SetOutputDim(framework::GradVarName("X2"), dims);
   }
 };