remove a hundred implicit constructors/destructors

src/math/dd/pdd_eval.h

@@ -26,9 +26,6 @@ class pdd_eval {
     std::function<rational (unsigned)> m_var2val;
     
 public:
-    
-    pdd_eval() {}
-    
     std::function<rational (unsigned)>& var2val() { return m_var2val; } // setter
     const std::function<rational (unsigned)>& var2val() const { return m_var2val; } // getter
     

src/math/grobner/pdd_simplifier.h

@@ -27,7 +27,6 @@ class simplifier {
 public:
 
     simplifier(solver& s): s(s) {}
-    ~simplifier() {}
 
     void operator()();
 

src/math/lp/gomory.h

@@ -32,7 +32,6 @@ namespace lp {
         lia_move cut(lar_term & t, mpq & k, explanation* ex, unsigned basic_inf_int_j, const row_strip<mpq>& row);
     public:
         gomory(int_solver& lia);
-        ~gomory() {}
         lia_move operator()();
     };
 }

src/math/lp/int_branch.h

@@ -32,7 +32,6 @@ namespace lp {
 
     public:
         int_branch(int_solver& lia);
-        ~int_branch() {}
         lia_move operator()();
     };
 }

src/math/lp/int_cube.h

@@ -35,7 +35,6 @@ namespace lp {
         impq get_cube_delta_for_term(const lar_term& t) const;
     public:
         int_cube(int_solver& lia);
-        ~int_cube() {}
         lia_move operator()();
     };
 }

src/math/lp/int_gcd_test.h

@@ -47,7 +47,6 @@ namespace lp {
         void add_to_explanation_from_fixed_or_boxed_column(unsigned j);
     public:
         int_gcd_test(int_solver& lia);
-        ~int_gcd_test() {}
         lia_move operator()();
         bool should_apply();
     };

src/math/lp/nex.h

@@ -54,7 +54,6 @@ public:
     virtual unsigned size() const { return 1; }
     virtual expr_type type() const = 0;
     virtual std::ostream& print(std::ostream&) const = 0;    
-    nex() {}
     bool is_elementary() const {
         switch(type()) {
         case expr_type::SUM:

src/math/simplex/bit_matrix.h

@@ -92,8 +92,6 @@ public:
         bool operator!=(row_iterator const& other) const { return m_index != other.m_index; }  
     };
 
-    bit_matrix() {}
-    ~bit_matrix() {}
     void reset(unsigned num_columns);
     
     row_iterator begin() { return row_iterator(*this, true); }

src/math/subpaving/subpaving_types.h

@@ -31,7 +31,7 @@ class exception {
 
 class power : public std::pair<var, unsigned> {
 public:
-    power():std::pair<var, unsigned>() {}
+    power() = default;
     power(var v, unsigned d):std::pair<var, unsigned>(v, d) {}
     var x() const { return first; }
     var get_var() const { return first; }