clang format code

paddle/math/tests/test_matrixCompare.cpp

@@ -242,9 +242,12 @@ TEST(Matrix, unary) {
 #else
     LOG(WARNING) << "Cannot run Matrix Inverse Unit Test.\n"
                  << "Failed to find lapack library in current system.\n"
-                 << "To address this issue, Please adopt one of the following approaches: \n"
-                 << "1. Simply issue `sudo apt-get install liblapacke-dev` to avoid re-build source code. \n"
-                 << "2. Install MKL/Openblas/ATLAS and re-build PaddlePaddle source code."
+                 << "To address this issue, Please adopt one of the following "
+                    "approaches: \n"
+                 << "1. Simply issue `sudo apt-get install liblapacke-dev` to "
+                    "avoid re-build source code. \n"
+                 << "2. Install MKL/Openblas/ATLAS and re-build PaddlePaddle "
+                    "source code."
 #endif
   }
 }