Default behaviour is now that warnings are turned off

SpMat.h

@@ -89,8 +89,8 @@ template<class T>
 class SpMat
 {
 public:
-  SpMat() : _m(0), _n(0), _nz(0), _ri(0), _val(0) {}
-  SpMat(unsigned int m, unsigned int n) : _m(m), _n(n), _nz(0), _ri(n), _val(n) {}
+  SpMat() : _m(0), _n(0), _nz(0), _ri(0), _val(0), _pw(false) {}
+  SpMat(unsigned int m, unsigned int n) : _m(m), _n(n), _nz(0), _ri(n), _val(n), _pw(false) {}
   SpMat(unsigned int m, unsigned int n, const unsigned int *irp, const unsigned int *jcp, const double *sp);
   SpMat(const NEWMAT::GeneralMatrix& M);
   SpMat(const std::string& fname);
@@ -109,6 +109,8 @@ public:
   void Print(const std::string&  fname) const {Print(fname,8);}
   void Print(unsigned int        precision) const {Print(std::string(""),precision);}
   void Print() const {Print(8);}
+  void WarningsOn() {_pw=true;}
+  void WarningsOff() {_pw=false;}
 
 
   T Peek(unsigned int r, unsigned int c) const;
@@ -173,6 +175,7 @@ private:
   unsigned long                             _nz;
   std::vector<std::vector<unsigned int> >   _ri;
   std::vector<std::vector<T> >              _val;
+  bool                                      _pw;   // Print Warnings
 
   bool found(const std::vector<unsigned int>&  ri, unsigned int key, int& pos) const;
   T& here(unsigned int r, unsigned int c);
@@ -305,7 +308,7 @@ private:
 
 template<class T>
 SpMat<T>::SpMat(unsigned int m, unsigned int n, const unsigned int *irp, const unsigned int *jcp, const double *sp)
-: _m(m), _n(n), _nz(0), _ri(n), _val(n)
+  : _m(m), _n(n), _nz(0), _ri(n), _val(n), _pw(false)
 {
   _nz = jcp[n];
   unsigned long nz = 0;
@@ -335,7 +338,7 @@ SpMat<T>::SpMat(unsigned int m, unsigned int n, const unsigned int *irp, const u
 
 template<class T>
 SpMat<T>::SpMat(const NEWMAT::GeneralMatrix& M)
-: _m(M.Nrows()), _n(M.Ncols()), _nz(0), _ri(M.Ncols()), _val(M.Ncols())
+  : _m(M.Nrows()), _n(M.Ncols()), _nz(0), _ri(M.Ncols()), _val(M.Ncols()), _pw(false)
 {
   double *m = static_cast<double *>(M.Store());
 
@@ -371,7 +374,7 @@ SpMat<T>::SpMat(const NEWMAT::GeneralMatrix& M)
 
 template<class T>
 SpMat<T>::SpMat(const std::string&  fname)
-: _m(0), _n(0), _nz(0), _ri(0), _val(0)
+: _m(0), _n(0), _nz(0), _ri(0), _val(0), _pw(false)
 {
   // First read data into (nz+1)x3 NEWMAT matrix
   NEWMAT::Matrix rcv;
@@ -573,7 +576,7 @@ NEWMAT::ReturnMatrix SpMat<T>::SolveForx(const NEWMAT::ColumnVector&
     throw SpMatException("SolveForx: No idea how you got here. But you shouldn't be here, punk.");
   }
 
-  if (status) {
+  if (status && _pw) {
     cout << "SpMat::SolveForx: Warning requested tolerence not obtained." << endl;
     cout << "Requested tolerance was " << ltol << ", and achieved tolerance was " << tol << endl;
     cout << "This may or may not be a problem in your application, but you should look into it" << endl;