Fix compile error in bipartite_match_op

reyoung · reyoung · commit df4133d0b377 · 2018-01-23T12:33:02.000+08:00
diff --git a/paddle/operators/bipartite_match_op.cc b/paddle/operators/bipartite_match_op.cc
@@ -21,7 +21,7 @@ namespace operators {
 using Tensor = framework::Tensor;
 using LoDTensor = framework::LoDTensor;
 
-constexpr char kEPS = 1e-6;
+constexpr double kEPS = 1e-6;
 
 class BipartiteMatchOp : public framework::OperatorWithKernel {
  public:
