+ /// Tangency constraint has wrong attributes
+ inline static const std::string& INCORRECT_TANGENCY_ATTRIBUTE()
+ {
+ static const std::string MY_ERROR_VALUE("An arc should be an attribute of tangency constraint");
+ return MY_ERROR_VALUE;
+ }
+ /// Mirror constraint has wrong attributes
+ inline static const std::string& INCORRECT_MIRROR_ATTRIBUTE()
+ {
+ static const std::string MY_ERROR_VALUE("Mirror constraint has wrong attributes");
+ return MY_ERROR_VALUE;
+ }
+ /// Entity is already fixed
+ inline static const std::string& ALREADY_FIXED()
+ {
+ static const std::string MY_ERROR_VALUE("Entity already fixed");
+ return MY_ERROR_VALUE;
+ }
+ /// Crash in SolveSpace
+ inline static const std::string& SOLVESPACE_CRASH()
+ {
+ static const std::string MY_ERROR_VALUE("Caution: SolveSpace crash! Constraints are wrong");
+ return MY_ERROR_VALUE;
+ }