pre-commit check

Author: bingyanghuang

paddle/fluid/operators/math/sequence_pooling.cc

@@ -109,40 +109,38 @@ class LastFirstSeqPoolFunctor {
   void operator()(const platform::CPUDeviceContext& context,
                   const framework::LoDTensor& input, framework::Tensor* output,
                   const std::string pooltype) {
-  //Create pointers to input and output data 
-  auto* in_data = input.data<T>();
-  auto* out_data = output->data<T>();
-
-  //Calculate the size of each item in sequence
-  int64_t item_size = input.numel() / input.dims()[0];
-  auto lod = input.lod()[0];
-  int seq_num = static_cast<int>(lod.size()) - 1;
-  if (pooltype == "LAST"){
-      for (int i=0;  i < seq_num; ++i ){
-            //Calculate the length of each sequence
-            int64_t seq_len =  static_cast<int64_t>(lod[i + 1] - lod[i]);
-            //Point to the begin of next sequence
-            in_data += seq_len* item_size;
-            //Copy the last item to output
-            std::memcpy(out_data,(in_data-item_size),item_size*sizeof(T));
-            out_data += item_size;
-       }
-  }
-  else if(pooltype == "FIRST"){
-      for (int i=0;  i < seq_num; ++i ){
-            //Calculate the length of each sequence 
-            int64_t seq_len =  static_cast<int64_t>(lod[i + 1] - lod[i]);
-            //Copy the first item of sequence to output
-            std::memcpy(out_data,in_data,item_size*sizeof(T));
-            //Point to the next sequence
-            in_data += seq_len * item_size;
-            out_data += item_size;
-       }
-     }
-   else {
-        PADDLE_THROW("it's not LAST or FIRST pool type");
+    // Create pointers to input and output data
+    auto* in_data = input.data<T>();
+    auto* out_data = output->data<T>();
+
+    // Calculate the size of each item in sequence
+    int64_t item_size = input.numel() / input.dims()[0];
+    auto lod = input.lod()[0];
+    int seq_num = static_cast<int>(lod.size()) - 1;
+    if (pooltype == "LAST") {
+      for (int i = 0; i < seq_num; ++i) {
+        // Calculate the length of each sequence
+        int64_t seq_len = static_cast<int64_t>(lod[i + 1] - lod[i]);
+        // Point to the begin of next sequence
+        in_data += seq_len * item_size;
+        // Copy the last item of sequence to output
+        std::memcpy(out_data, (in_data - item_size), item_size * sizeof(T));
+        out_data += item_size;
       }
-   }
+    } else if (pooltype == "FIRST") {
+      for (int i = 0; i < seq_num; ++i) {
+        // Calculate the length of each sequence
+        int64_t seq_len = static_cast<int64_t>(lod[i + 1] - lod[i]);
+        // Copy the first item of sequence to output
+        std::memcpy(out_data, in_data, item_size * sizeof(T));
+        // Point to the next sequence
+        in_data += seq_len * item_size;
+        out_data += item_size;
+      }
+    } else {
+      PADDLE_THROW("it's not LAST or FIRST pool type");
+    }
+  }
 };
 
 template <typename T>