Remove unqualified ContantFunction and ZeroFunction

doc/news/changes/incompatibilities/20220624Arndt-3

@@ -0,0 +1,4 @@
+Removed: The deprecated classes ConstantFunction and ZeroFunction
+have been removed.
+<br>
+(Daniel Arndt, 2022/06/24)

examples/step-3/doc/results.dox

@@ -74,8 +74,8 @@ suggestions:
   Change the boundary condition: The code uses the Functions::ZeroFunction
   function to generate zero boundary conditions. However, you may want to try
   non-zero constant boundary values using
-  <code>ConstantFunction&lt;2&gt;(1)</code> instead of
-  <code>ZeroFunction&lt;2&gt;()</code> to have unit Dirichlet boundary
+  <code>Functions::ConstantFunction&lt;2&gt;(1)</code> instead of
+  <code>Functions::ZeroFunction&lt;2&gt;()</code> to have unit Dirichlet boundary
   values. More exotic functions are described in the documentation of the
   Functions namespace, and you may pick one to describe your particular boundary
   values.
@@ -139,7 +139,7 @@ suggestions:
   @code
   VectorTools::interpolate_boundary_values(dof_handler,
 					   1,
-					   ConstantFunction<2>(1.),
+					   Functions::ConstantFunction<2>(1.),
 					   boundary_values);
   @endcode
   If you have this call immediately after the first one to this function, then

examples/step-7/doc/results.dox

@@ -244,7 +244,7 @@ we can compute $\|u\| \approx \|u_h\|=\|0-u_h\|$ by calling
     Vector<float> norm_per_cell(triangulation.n_active_cells());
     VectorTools::integrate_difference(dof_handler,
                                       solution,
-                                      ZeroFunction<dim>(),
+                                      Functions::ZeroFunction<dim>(),
                                       norm_per_cell,
                                       QGauss<dim>(fe->degree + 1),
                                       VectorTools::L2_norm);

examples/step-81/step-81.cc

@@ -548,13 +548,13 @@ namespace Step81
     VectorTools::project_boundary_values_curl_conforming_l2(
       dof_handler,
       0, /* real part */
-      dealii::ZeroFunction<dim>(2 * dim),
+      Functions::ZeroFunction<dim>(2 * dim),
       0, /* boundary id */
       constraints);
     VectorTools::project_boundary_values_curl_conforming_l2(
       dof_handler,
       dim, /* imaginary part */
-      dealii::ZeroFunction<dim>(2 * dim),
+      Functions::ZeroFunction<dim>(2 * dim),
       0, /* boundary id */
       constraints);
 

include/deal.II/base/function.h

@@ -564,27 +564,6 @@ namespace Functions
   };
 } // namespace Functions
 
-/**
- * Provide a function which always returns the constant values handed to the
- * constructor.
- *
- * @deprecated use Functions::ConstantFunction instead.
- */
-template <int dim, typename RangeNumberType = double>
-using ConstantFunction DEAL_II_DEPRECATED =
-  Functions::ConstantFunction<dim, RangeNumberType>;
-
-/**
- * Provide a function which always returns zero.
- *
- * @deprecated use Functions::ZeroFunction instead.
- */
-template <int dim, typename RangeNumberType = double>
-using ZeroFunction DEAL_II_DEPRECATED =
-  Functions::ZeroFunction<dim, RangeNumberType>;
-
-
-
 /**
  * This is a constant vector-valued function, in which one or more components
  * of the vector have a constant value and all other components are zero.  It

tests/fe/fe_enriched_color_06.cc

@@ -115,7 +115,8 @@ main(int argc, char **argv)
     {
       // constant function.
       Functions::ConstantFunction<dim> func(10 + i); // constant function
-      vec_enrichments.push_back(std::make_shared<ConstantFunction<dim>>(func));
+      vec_enrichments.push_back(
+        std::make_shared<Functions::ConstantFunction<dim>>(func));
     }
 
   // Construct helper class to construct FE collection