MACRO (Ipopt::Infeasible_Problem_Detected, \
"Infeasible problem detected"); \
MACRO (Ipopt::Search_Direction_Becomes_Too_Small, \
"Search direction too small"); \
MACRO (Ipopt::Diverging_Iterates, "Diverging iterates"); \
MACRO (Ipopt::Maximum_Iterations_Exceeded, \
"Maximum iterations exceeded"); \
MACRO (Ipopt::Restoration_Failed, "Restoration failed"); \
MACRO (Ipopt::Error_In_Step_Computation, "Error in step computation"); \
MACRO (Ipopt::Not_Enough_Degrees_Of_Freedom, \
"Not enough degrees of freedom"); \
MACRO (Ipopt::Invalid_Problem_Definition, \
"Invalid problem definition"); \
MACRO (Ipopt::Invalid_Option, "Invalid option"); \
MACRO (Ipopt::Invalid_Number_Detected, "Invalid number detected"); \
MACRO (Ipopt::Unrecoverable_Exception, "Unrecoverable exception"); \
MACRO (Ipopt::Insufficient_Memory, "Insufficient memory"); \
MACRO (Ipopt::Internal_Error, "Internal error"); \
MACRO (Ipopt::Maximum_CpuTime_Exceeded, "Maximum CPU time exceeded")