fix sign unsigned comparison (#10424)

kexinzhao · abhinavarora · commit 4e3fac4129b3 · 2018-05-04T18:07:31.000-07:00
diff --git a/paddle/fluid/operators/lookup_sparse_table_op.cc b/paddle/fluid/operators/lookup_sparse_table_op.cc
@@ -62,7 +62,7 @@ class LookupSparseTableOp : public framework::OperatorBase {
     auto w_t = w_var->GetMutable<framework::SelectedRows>();
     std::vector<int64_t> keys;
     keys.resize(ids_t.numel());
-    for (size_t i = 0; i < ids_t.numel(); ++i) {
+    for (int64_t i = 0; i < ids_t.numel(); ++i) {
       keys[i] = ids_t.data<int64_t>()[i];
     }
 

Original file line number	Diff line number	Diff line change
`@@ -62,7 +62,7 @@ class LookupSparseTableOp : public framework::OperatorBase {`
`62`	`62`	`auto w_t = w_var->GetMutable<framework::SelectedRows>();`
`63`	`63`	`std::vector<int64_t> keys;`
`64`	`64`	`keys.resize(ids_t.numel());`
`65`		`- for (size_t i = 0; i < ids_t.numel(); ++i) {`
	`65`	`+ for (int64_t i = 0; i < ids_t.numel(); ++i) {`
`66`	`66`	`keys[i] = ids_t.data<int64_t>()[i];`
`67`	`67`	`}`
`68`	`68`