Merge pull request #859 from hedaoyuan/fix_warning

Fix warning

paddle/math/Matrix.h

@@ -408,7 +408,7 @@ public:
     LOG(FATAL) << "Not implemented";
   }
 
-  virtual void addBias(Matrix& b, real scale, bool sharedBias) {
+  void addBias(Matrix& b, real scale, bool sharedBias) {
     if (!sharedBias) {
       addBias(b, scale);
     } else {
@@ -425,7 +425,7 @@ public:
     LOG(FATAL) << "Not implemented";
   }
 
-  virtual void collectBias(Matrix& a, real scale, bool sharedBias) {
+  void collectBias(Matrix& a, real scale, bool sharedBias) {
     if (!sharedBias) {
       collectBias(a, scale);
     } else {

paddle/math/tests/CMakeLists.txt

@@ -16,12 +16,10 @@ add_simple_unittest(test_CpuGpuVector)
 add_simple_unittest(test_Allocator)
 
 if(WITH_GPU)
-    if(COMPILER_SUPPORT_CXX11)
     CUDA_ADD_EXECUTABLE(test_Tensor test_Tensor.cu)
     link_paddle_test(test_Tensor)
     CUDA_ADD_EXECUTABLE(test_lazyAssign test_lazyAssign.cu)
     link_paddle_test(test_lazyAssign)
-    endif()
 else()
     compile_cu_as_cpp(test_Tensor.cu)
     add_unittest(test_Tensor test_Tensor.cu)