#ifndef LAGSHTEXCEPTIONS_SEEN
#define LAGSHTEXCEPTIONS_SEEN

#include <exception>
#include <string>

namespace LagSHT {


class LagSHTError : public std::exception {
public:    
  explicit LagSHTError(const std::string& m) :  msg_(m) { }
  explicit LagSHTError(const char* m): msg_(m) { }
  virtual ~LagSHTError() throw() {}
  //! Implementation of std::exception what() method, returning the exception message
  virtual const char* what() const throw() { return msg_.c_str(); }
  
private:
  std::string msg_;
  
};//LagSHTError


#define lagsht_assert(testval,msg) \
do { if (testval); else throw LagSHTError(msg); } while(0)


}//end namespace

#endif //LAGSHTEXCEPTIONS_SEEN