Write out code_omp line by line

Author: mcbarton

test/test_xcpp_kernel.py

@@ -131,7 +131,19 @@ class XCppTests(jupyter_kernel_test.KernelTests):
                 'mime': 'image/png'
             }
         ]
-        code_omp='#include <omp.h>\n#include <iostream>\n#include <clang/Interpreter/CppInterOp.h>\n\nCpp::LoadLibrary("libomp");int max_threads = omp_get_max_threads();omp_set_thread_num(max_threads);#pragma omp parallel \\\n { \n if(omp_get_thread_num()==2) {\n std::cerr<<omp_get_thread_num()<<std::endl;}\n}\n'
+        code_omp="""
+    #include <omp.h>
+    #include <iostream>
+    #include <clang/Interpreter/CppInterOp.h>
+    Cpp::LoadLibrary("libomp");
+    int max_threads = omp_get_max_threads();
+    omp_set_thread_num(max_threads);
+    #pragma omp parallel
+    {
+        if(omp_get_thread_num()==2) {
+            std::cerr<<omp_get_thread_num()<<std::endl;
+        }
+    }"""
         def test_xcpp_omp(self):
             self.flush_channels()
             reply, output_msgs = self.execute_helper(code=self.code_omp,timeout=1)