From b985317e5b6eb9dad0c83942e6731657139bdde1 Mon Sep 17 00:00:00 2001
From: wolf <wolf@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Tue, 3 Jul 2001 06:56:50 +0000
Subject: [PATCH] Fix many missing std:: which Compaq's cxx wants to have,
 mostly for two reasons: 1. because it does not inject the math functions
 sqrt, sin, cos, fabs, ... into global namespace when we write include<cmath>.
 2. because cxx can't do Koenig lookup of functions.

git-svn-id: https://svn.dealii.org/trunk@4797 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/deal.II/include/multigrid/mg_dof_handler.h | 3 ++-
 deal.II/deal.II/source/fe/mapping_q1.cc            | 6 +++---
 deal.II/deal.II/source/grid/grid_out.cc            | 2 +-
 deal.II/deal.II/source/grid/tria_boundary_lib.cc   | 6 +++---
 deal.II/deal.II/source/multigrid/mg_dof_handler.cc | 2 +-
 deal.II/deal.II/source/numerics/matrices.cc        | 2 +-
 6 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/deal.II/deal.II/include/multigrid/mg_dof_handler.h b/deal.II/deal.II/include/multigrid/mg_dof_handler.h
index d7c9ba9e77..4b58383f47 100644
--- a/deal.II/deal.II/include/multigrid/mg_dof_handler.h
+++ b/deal.II/deal.II/include/multigrid/mg_dof_handler.h
@@ -193,7 +193,8 @@ class MGDoFHandler : public DoFHandler<dim>
 				      * don't need them after calling this
 				      * function, or if so store them.
 				      */
-    virtual void distribute_dofs (const FiniteElement<dim> &, unsigned int offset=0);
+    virtual void distribute_dofs (const FiniteElement<dim> &, 
+				  const unsigned int offset = 0);
 
 				     /**
 				      * Actually do the renumbering based on
diff --git a/deal.II/deal.II/source/fe/mapping_q1.cc b/deal.II/deal.II/source/fe/mapping_q1.cc
index 3912a52121..3632debff4 100644
--- a/deal.II/deal.II/source/fe/mapping_q1.cc
+++ b/deal.II/deal.II/source/fe/mapping_q1.cc
@@ -425,9 +425,9 @@ MappingQ1<dim>::compute_face_data (const UpdateFlags update_flags,
 	      Tensor<1,dim> tangential;
 	      tangential[(nindex-1)%dim] = 1.;
 	      data.unit_tangentials[i+nfaces].resize(n_original_q_points);
-	      fill (data.unit_tangentials[i+nfaces].begin(),
-		    data.unit_tangentials[i+nfaces].end(),
-		    tangential);
+	      std::fill (data.unit_tangentials[i+nfaces].begin(),
+			 data.unit_tangentials[i+nfaces].end(),
+			 tangential);
 	    }
 	}
     }
diff --git a/deal.II/deal.II/source/grid/grid_out.cc b/deal.II/deal.II/source/grid/grid_out.cc
index 9b6a9aaf33..9a02433b87 100644
--- a/deal.II/deal.II/source/grid/grid_out.cc
+++ b/deal.II/deal.II/source/grid/grid_out.cc
@@ -702,7 +702,7 @@ void GridOut::write_eps (const Triangulation<dim> &tria,
 	  = (Point<dim>(1,0,0)
 	     - ((Point<dim>(1,0,0) * view_direction) * view_direction)
 	     - ((Point<dim>(1,0,0) * unit_vector1)   * unit_vector1));
-	const Point<dim> unit_vector2 = vector2 / sqrt(vector2.square());
+	const Point<dim> unit_vector2 = vector2 / std::sqrt(vector2.square());
 	
 	for (; line!=endline; ++line) 
 	  line_list.push_back (LineEntry(Point<2>(line->vertex(0) * unit_vector2,
diff --git a/deal.II/deal.II/source/grid/tria_boundary_lib.cc b/deal.II/deal.II/source/grid/tria_boundary_lib.cc
index 476c392464..c2e8e4e84c 100644
--- a/deal.II/deal.II/source/grid/tria_boundary_lib.cc
+++ b/deal.II/deal.II/source/grid/tria_boundary_lib.cc
@@ -138,7 +138,7 @@ HyperBallBoundary<dim>::get_intermediate_points_between_points (
   if (compute_radius_automatically)
     {
       const Point<dim> vertex_relative = p0 - center;
-      r = sqrt(vertex_relative.square());
+      r = std::sqrt(vertex_relative.square());
     }
   else
     r=radius;
@@ -146,7 +146,7 @@ HyperBallBoundary<dim>::get_intermediate_points_between_points (
   Assert(std::fabs(v0.square()-r*r)<eps, ExcInternalError());
   Assert(std::fabs(v1.square()-r*r)<eps, ExcInternalError());
   
-  const double alpha=std::acos((v0*v1)/sqrt(v0.square()*v1.square()));
+  const double alpha=std::acos((v0*v1)/std::sqrt(v0.square()*v1.square()));
   const double d_alpha=alpha/(n+1);
   const Point<dim> pm=0.5*(v0+v1);
   
@@ -181,7 +181,7 @@ HyperBallBoundary<dim>::get_intermediate_points_between_points (
       Assert(right_index<n, ExcInternalError());
       Assert(left_index+1>=1, ExcInternalError());
 	  
-      double d=h*tan(beta);
+      double d=h*std::tan(beta);
       points[right_index]=pm+d/length*(v1-v0);
       points[left_index]=pm-d/length*(v1-v0);
     }
diff --git a/deal.II/deal.II/source/multigrid/mg_dof_handler.cc b/deal.II/deal.II/source/multigrid/mg_dof_handler.cc
index 2e007adc60..89c16a7837 100644
--- a/deal.II/deal.II/source/multigrid/mg_dof_handler.cc
+++ b/deal.II/deal.II/source/multigrid/mg_dof_handler.cc
@@ -1175,7 +1175,7 @@ MGDoFHandler<dim>::last_active_hex () const {
 
 template <int dim>
 void MGDoFHandler<dim>::distribute_dofs (const FiniteElement<dim> &fe,
-					 unsigned int offset)
+					 const unsigned int        offset)
 {
 				   // first distribute global dofs
   DoFHandler<dim>::distribute_dofs (fe, offset);
diff --git a/deal.II/deal.II/source/numerics/matrices.cc b/deal.II/deal.II/source/numerics/matrices.cc
index 270f2a0df8..a9ceafe83d 100644
--- a/deal.II/deal.II/source/numerics/matrices.cc
+++ b/deal.II/deal.II/source/numerics/matrices.cc
@@ -654,7 +654,7 @@ create_boundary_mass_matrix_1 (const Mapping<dim>        &mapping,
 	  double max_diag_entry = 0;
 	  for (unsigned int i=0; i<dofs_per_cell; ++i)
 	    if (std::fabs(cell_matrix(i,i)) > max_diag_entry)
-	      max_diag_entry = fabs(cell_matrix(i,i));
+	      max_diag_entry = std::fabs(cell_matrix(i,i));
 #endif  
 
 	  mutex.acquire ();
-- 
2.39.5