miniBDD lint-cleaning: Do not use namespaces

src/solvers/miniBDD/miniBDD.cpp

@@ -16,9 +16,6 @@ Author: Daniel Kroening, kroening@kroening.com
 #define forall_nodes(it) for(nodest::const_iterator it=nodes.begin(); \
   it!=nodes.end(); it++)
 
-namespace miniBDD
-{
-
 void node::remove_reference()
 {
   assert(reference_counter!=0);
@@ -470,5 +467,3 @@ bool OneSat(const BDD &v, std::map<unsigned, bool> &assignment)
     return OneSat(v.low(), assignment);
   }
 }
-
-} // namespace miniBDD

src/solvers/miniBDD/miniBDD.h

@@ -24,9 +24,6 @@ Author: Daniel Kroening, kroening@kroening.com
 #include <string>
 #include <stack>
 
-namespace miniBDD
-{
-
 class BDD
 {
 public:
@@ -137,8 +134,6 @@ BDD substitute(const BDD &where, unsigned var, const BDD &by_what);
 std::string cubes(const BDD &u);
 bool OneSat(const BDD &v, std::map<unsigned, bool> &assignment);
 
-} // namespace miniBDD
-
 // inline functions
 #include "miniBDD.inc"
 

src/solvers/miniBDD/miniBDD.inc

@@ -2,9 +2,6 @@
 
 // inline functions
 
-namespace miniBDD
-{
-
 BDD::BDD():node(0)
 {
 }
@@ -129,5 +126,3 @@ std::size_t mgr::number_of_nodes()
 {
   return nodes.size()-free.size();
 }
-
-} // namespace miniBDD

unit/miniBDD.cpp

@@ -11,8 +11,6 @@ Author: Daniel Kroening, kroening@kroening.com
 
 #include <solvers/miniBDD/miniBDD.h>
 
-using namespace miniBDD;
-
 void test1()
 {
   mgr mgr;