From: Reza Rastak <rastak@stanford.edu>
Date: Wed, 25 Mar 2020 17:14:16 +0000 (-0700)
Subject: Remove unnecessary "using namespace" directives from the tutorials.
X-Git-Tag: v9.2.0-rc1~351^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9623d8d04c757fb8bde9cb2747a9eee654e9fa0d;p=dealii.git

Remove unnecessary "using namespace" directives from the tutorials.
---

diff --git a/examples/step-14/step-14.cc b/examples/step-14/step-14.cc
index 52623947b5..f4144a66a9 100644
--- a/examples/step-14/step-14.cc
+++ b/examples/step-14/step-14.cc
@@ -2812,7 +2812,6 @@ int main()
 {
   try
     {
-      using namespace dealii;
       using namespace Step14;
 
       // Describe the problem we want to solve here by passing a descriptor
diff --git a/examples/step-15/step-15.cc b/examples/step-15/step-15.cc
index ede2605d39..8f19362f41 100644
--- a/examples/step-15/step-15.cc
+++ b/examples/step-15/step-15.cc
@@ -696,7 +696,6 @@ int main()
 {
   try
     {
-      using namespace dealii;
       using namespace Step15;
 
       MinimalSurfaceProblem<2> laplace_problem_2d;
diff --git a/examples/step-20/step-20.cc b/examples/step-20/step-20.cc
index a629c3b5aa..5735bc81b4 100644
--- a/examples/step-20/step-20.cc
+++ b/examples/step-20/step-20.cc
@@ -817,7 +817,6 @@ int main()
 {
   try
     {
-      using namespace dealii;
       using namespace Step20;
 
       const unsigned int     fe_degree = 0;
diff --git a/examples/step-21/step-21.cc b/examples/step-21/step-21.cc
index 9a188bbeeb..ef1d9eabdd 100644
--- a/examples/step-21/step-21.cc
+++ b/examples/step-21/step-21.cc
@@ -1174,7 +1174,6 @@ int main()
 {
   try
     {
-      using namespace dealii;
       using namespace Step21;
 
       TwoPhaseFlowProblem<2> two_phase_flow_problem(0);
diff --git a/examples/step-22/step-22.cc b/examples/step-22/step-22.cc
index 93551f5812..71576aa9c0 100644
--- a/examples/step-22/step-22.cc
+++ b/examples/step-22/step-22.cc
@@ -1066,7 +1066,6 @@ int main()
 {
   try
     {
-      using namespace dealii;
       using namespace Step22;
 
       StokesProblem<2> flow_problem(1);
diff --git a/examples/step-23/step-23.cc b/examples/step-23/step-23.cc
index 152ac538e6..9fe93cf14c 100644
--- a/examples/step-23/step-23.cc
+++ b/examples/step-23/step-23.cc
@@ -605,7 +605,6 @@ int main()
 {
   try
     {
-      using namespace dealii;
       using namespace Step23;
 
       WaveEquation<2> wave_equation_solver;
diff --git a/examples/step-24/step-24.cc b/examples/step-24/step-24.cc
index 611e41c205..e56ca18bcc 100644
--- a/examples/step-24/step-24.cc
+++ b/examples/step-24/step-24.cc
@@ -535,7 +535,6 @@ int main()
 {
   try
     {
-      using namespace dealii;
       using namespace Step24;
 
       TATForwardProblem<2> forward_problem_solver;
diff --git a/examples/step-25/step-25.cc b/examples/step-25/step-25.cc
index f9ff02df56..057d813f8d 100644
--- a/examples/step-25/step-25.cc
+++ b/examples/step-25/step-25.cc
@@ -688,7 +688,6 @@ int main()
 {
   try
     {
-      using namespace dealii;
       using namespace Step25;
 
       SineGordonProblem<1> sg_problem;
diff --git a/examples/step-26/step-26.cc b/examples/step-26/step-26.cc
index 16c260a93b..cc09e8e835 100644
--- a/examples/step-26/step-26.cc
+++ b/examples/step-26/step-26.cc
@@ -655,7 +655,6 @@ int main()
 {
   try
     {
-      using namespace dealii;
       using namespace Step26;
 
       HeatEquation<2> heat_equation_solver;
diff --git a/examples/step-27/step-27.cc b/examples/step-27/step-27.cc
index 0f7aafd171..3152116cae 100644
--- a/examples/step-27/step-27.cc
+++ b/examples/step-27/step-27.cc
@@ -738,7 +738,6 @@ int main()
 {
   try
     {
-      using namespace dealii;
       using namespace Step27;
 
       LaplaceProblem<2> laplace_problem;
diff --git a/examples/step-30/step-30.cc b/examples/step-30/step-30.cc
index 9ad0a56f27..d3cd72b612 100644
--- a/examples/step-30/step-30.cc
+++ b/examples/step-30/step-30.cc
@@ -1000,7 +1000,6 @@ int main()
 {
   try
     {
-      using namespace dealii;
       using namespace Step30;
 
       // If you want to run the program in 3D, simply change the following
diff --git a/examples/step-34/step-34.cc b/examples/step-34/step-34.cc
index f4f566b9c6..cd77ce935f 100644
--- a/examples/step-34/step-34.cc
+++ b/examples/step-34/step-34.cc
@@ -1078,7 +1078,6 @@ int main()
 {
   try
     {
-      using namespace dealii;
       using namespace Step34;
 
       const unsigned int degree         = 1;
diff --git a/examples/step-35/step-35.cc b/examples/step-35/step-35.cc
index 78ddf40a5a..8a7f0b6bfe 100644
--- a/examples/step-35/step-35.cc
+++ b/examples/step-35/step-35.cc
@@ -1429,7 +1429,6 @@ int main()
 {
   try
     {
-      using namespace dealii;
       using namespace Step35;
 
       RunTimeParameters::Data_Storage data;
diff --git a/examples/step-38/step-38.cc b/examples/step-38/step-38.cc
index 27e54483f1..bc2644d047 100644
--- a/examples/step-38/step-38.cc
+++ b/examples/step-38/step-38.cc
@@ -531,7 +531,6 @@ int main()
 {
   try
     {
-      using namespace dealii;
       using namespace Step38;
 
       LaplaceBeltramiProblem<3> laplace_beltrami;
diff --git a/examples/step-44/step-44.cc b/examples/step-44/step-44.cc
index 31eeefcfdf..97b37a7ce1 100644
--- a/examples/step-44/step-44.cc
+++ b/examples/step-44/step-44.cc
@@ -3398,7 +3398,6 @@ namespace Step44
 // no different to the other tutorials.
 int main()
 {
-  using namespace dealii;
   using namespace Step44;
 
   try
diff --git a/examples/step-46/step-46.cc b/examples/step-46/step-46.cc
index e9d1ee270a..b370c2f780 100644
--- a/examples/step-46/step-46.cc
+++ b/examples/step-46/step-46.cc
@@ -1033,7 +1033,6 @@ int main()
 {
   try
     {
-      using namespace dealii;
       using namespace Step46;
 
       FluidStructureProblem<2> flow_problem(1, 1);
diff --git a/examples/step-51/step-51.cc b/examples/step-51/step-51.cc
index 57fae64664..b3bdb43b81 100644
--- a/examples/step-51/step-51.cc
+++ b/examples/step-51/step-51.cc
@@ -1396,8 +1396,6 @@ int main()
 
   try
     {
-      using namespace dealii;
-
       // Now for the three calls to the main class in complete analogy to
       // step-7.
       {
diff --git a/examples/step-54/step-54.cc b/examples/step-54/step-54.cc
index db90d83c85..e21210a6c1 100644
--- a/examples/step-54/step-54.cc
+++ b/examples/step-54/step-54.cc
@@ -386,7 +386,6 @@ int main()
 {
   try
     {
-      using namespace dealii;
       using namespace Step54;
 
       const std::string in_mesh_filename = "input/initial_mesh_3d.vtk";
diff --git a/examples/step-56/step-56.cc b/examples/step-56/step-56.cc
index 19a9b3ab99..e02b9780c1 100644
--- a/examples/step-56/step-56.cc
+++ b/examples/step-56/step-56.cc
@@ -1111,7 +1111,6 @@ int main()
 {
   try
     {
-      using namespace dealii;
       using namespace Step56;
 
       const int degree = 1;
diff --git a/examples/step-57/step-57.cc b/examples/step-57/step-57.cc
index a8b8911cb4..31327e3295 100644
--- a/examples/step-57/step-57.cc
+++ b/examples/step-57/step-57.cc
@@ -838,7 +838,6 @@ int main()
 {
   try
     {
-      using namespace dealii;
       using namespace Step57;
 
       StationaryNavierStokes<2> flow(/* degree = */ 1);