use template instead of change

Author: A-006

source/module_basis/module_pw/test_gpu/CMakeLists.txt

@@ -3,7 +3,7 @@ if (USE_CUDA)
 AddTest(
   TARGET pw_test_gpu
   LIBS parameter ${math_libs} base planewave device FFTW3::FFTW3_FLOAT
-  SOURCES pw_test.cpp test.cpp pw_basis_C2R.cpp pw_basis_C2C.cpp  pw_basis_k_C2C.cpp 
+  SOURCES pw_test.cpp test.cpp test2.cpp pw_basis_C2R.cpp pw_basis_C2C.cpp  pw_basis_k_C2C.cpp 
 )
 endif()
 

source/module_basis/module_pw/test_gpu/pw_basis_C2C.cpp

@@ -131,7 +131,6 @@ class MixedTypeTest : public ::testing::Test
                 }
             }
         }
-        // const int size = nx * ny * nz;
         h_rhog = new complex<T>[npw];
         h_rhogout = new complex<T>[npw];