[cleanup] indent

exercises/exercise-mainfile/README.md

@@ -86,60 +86,60 @@ vtkWriter.write(0.0);
 * then we need to assemble and solve the system. Depending on the problem this can be done with a linear solver or with a nonlinear solver. If the problem is time dependent we additionally need a time loop. An example for that is given in exercise1_1p_c:
 
 ```c++
-   // get some time loop parameters
-    using Scalar = typename GET_PROP_TYPE(TypeTag, Scalar);
-    auto tEnd = getParam<Scalar>("TimeLoop.TEnd");
-    auto dt = getParam<Scalar>("TimeLoop.DtInitial");
-    auto maxDt = getParam<Scalar>("TimeLoop.MaxTimeStepSize");
+// get some time loop parameters
+using Scalar = typename GET_PROP_TYPE(TypeTag, Scalar);
+auto tEnd = getParam<Scalar>("TimeLoop.TEnd");
+auto dt = getParam<Scalar>("TimeLoop.DtInitial");
+auto maxDt = getParam<Scalar>("TimeLoop.MaxTimeStepSize");
 
-    // instantiate time loop
-    auto timeLoop = std::make_shared<CheckPointTimeLoop<Scalar>>(0.0, dt, tEnd);
-    timeLoop->setMaxTimeStepSize(maxDt);
+// instantiate time loop
+auto timeLoop = std::make_shared<CheckPointTimeLoop<Scalar>>(0.0, dt, tEnd);
+timeLoop->setMaxTimeStepSize(maxDt);
 
-    // the assembler with time loop for instationary problem
-    using Assembler = FVAssembler<TypeTag, DiffMethod::numeric>;
-    auto assembler = std::make_shared<Assembler>(problem, fvGridGeometry, gridVariables, timeLoop);
+// the assembler with time loop for instationary problem
+using Assembler = FVAssembler<TypeTag, DiffMethod::numeric>;
+auto assembler = std::make_shared<Assembler>(problem, fvGridGeometry, gridVariables, timeLoop);
 
-    // the linear solver
-    using LinearSolver = ILU0BiCGSTABBackend;
-    auto linearSolver = std::make_shared<LinearSolver>();
+// the linear solver
+using LinearSolver = ILU0BiCGSTABBackend;
+auto linearSolver = std::make_shared<LinearSolver>();
 
-    // the non-linear solver
-    using NewtonSolver = Dumux::NewtonSolver<Assembler, LinearSolver>;
-    NewtonSolver nonLinearSolver(assembler, linearSolver);
+// the non-linear solver
+using NewtonSolver = Dumux::NewtonSolver<Assembler, LinearSolver>;
+NewtonSolver nonLinearSolver(assembler, linearSolver);
 
-    // set some check points for the time loop
-    timeLoop->setPeriodicCheckPoint(tEnd/10.0);
+// set some check points for the time loop
+timeLoop->setPeriodicCheckPoint(tEnd/10.0);
 
-    // time loop
-    timeLoop->start(); do
-    {
-        // set previous solution for storage evaluations
-        assembler->setPreviousSolution(xOld);
+// time loop
+timeLoop->start(); do
+{
+    // set previous solution for storage evaluations
+    assembler->setPreviousSolution(xOld);
 
-        // linearize & solve
-        nonLinearSolver.solve(x, *timeLoop);
+    // linearize & solve
+    nonLinearSolver.solve(x, *timeLoop);
 
-        // make the new solution the old solution
-        xOld = x;
-        gridVariables->advanceTimeStep();
+    // make the new solution the old solution
+    xOld = x;
+    gridVariables->advanceTimeStep();
 
-        // advance to the time loop to the next step
-        timeLoop->advanceTimeStep();
+    // advance to the time loop to the next step
+    timeLoop->advanceTimeStep();
 
-        // write vtk output
-        if (timeLoop->isCheckPoint())
-            vtkWriter.write(timeLoop->time());
+    // write vtk output
+    if (timeLoop->isCheckPoint())
+        vtkWriter.write(timeLoop->time());
 
-        // report statistics of this time step
-        timeLoop->reportTimeStep();
+    // report statistics of this time step
+    timeLoop->reportTimeStep();
 
-        // set new dt as suggested by the newton solver
-        timeLoop->setTimeStepSize(nonLinearSolver.suggestTimeStepSize(timeLoop->timeStepSize()));
+    // set new dt as suggested by the newton solver
+    timeLoop->setTimeStepSize(nonLinearSolver.suggestTimeStepSize(timeLoop->timeStepSize()));
 
-    } while (!timeLoop->finished());
+} while (!timeLoop->finished());
 
-    timeLoop->finalize(leafGridView.comm());
+timeLoop->finalize(leafGridView.comm());
 ```
 
 <hr><br><br>
@@ -170,7 +170,7 @@ make exercise1_1p_a exercise1_1p_b exercise1_1p_c
 
 ```bash
 paraview injection-1p_a.pvd
-<!-- ``` -->
+```
 
 <hr><br><br>
 ### Task 3: Analytical differentiation