Changeset 1063:1782aa72495a in lemon-main for lemon/lp_base.h
- Timestamp:
- 07/20/12 17:09:01 (12 years ago)
- Branch:
- default
- Phase:
- public
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
lemon/lp_base.h
r989 r1063 1008 1008 public: 1009 1009 1010 ///\e 1011 class UnsupportedFormatError : public Exception 1012 { 1013 std::string _format; 1014 mutable std::string _what; 1015 public: 1016 explicit UnsupportedFormatError(std::string format) throw() 1017 : _format(format) { } 1018 virtual ~UnsupportedFormatError() throw() {} 1019 virtual const char* what() const throw() { 1020 try { 1021 _what.clear(); 1022 std::ostringstream oss; 1023 oss << "lemon::UnsupportedFormatError: " << _format; 1024 _what = oss.str(); 1025 } 1026 catch (...) {} 1027 if (!_what.empty()) return _what.c_str(); 1028 else return "lemon::UnsupportedFormatError"; 1029 } 1030 }; 1031 1032 protected: 1033 virtual void _write(std::string, std::string format) const 1034 { 1035 throw UnsupportedFormatError(format); 1036 } 1037 1038 public: 1039 1010 1040 /// Virtual destructor 1011 1041 virtual ~LpBase() {} … … 1556 1586 void min() { _setSense(MIN); } 1557 1587 1558 ///Clear sthe problem1588 ///Clear the problem 1559 1589 void clear() { _clear(); rows.clear(); cols.clear(); } 1560 1590 1561 /// Set sthe message level of the solver1591 /// Set the message level of the solver 1562 1592 void messageLevel(MessageLevel level) { _messageLevel(level); } 1593 1594 /// Write the problem to a file in the given format 1595 1596 /// This function writes the problem to a file in the given format. 1597 /// Different solver backends may support different formats. 1598 /// Trying to write in an unsupported format will trigger 1599 /// \ref UnsupportedFormatError. For the supported formats, 1600 /// visit the documentation of the base class of the related backends 1601 /// (\ref CplexBase, \ref GlpkBase etc.) 1602 /// \param file The file path 1603 /// \param format The output file format. 1604 void write(std::string file, std::string format = "MPS") const 1605 { 1606 _write(file.c_str(),format.c_str()); 1607 } 1563 1608 1564 1609 ///@}
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