ipopt_return_status.proto

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syntax = "proto2";
 
package apollo.planning;
 
enum IpoptReturnStatus {
  SOLVE_SUCCEEDED = 0;
  SOLVED_TO_ACCEPTABLE_LEVEL = 1;
  INFEASIBLE_PROBLEM_DETECTED = 2;
  SEARCH_DIRECTION_BECOMES_TOO_SMALL = 3;
  DIVERGIN_ITERATES = 4;
  USER_REQUESTED_STOP = 5;
  FEASIBLE_POINT_FOUND = 6;
  MAXIMUM_ITERATIONS_EXCEEDED = -1;
  RESTORATION_FAILED = -2;
  ERROR_IN_STEP_COMPUTATION = -3;
  NOT_ENOUGH_DEGREES_OF_FREEDOM = -10;
  INVALID_PROGRAM_DEFINITION = -11;
  INVALID_OPTION = -12;
  INVALID_NUMBER_DETECTED = -13;
  UNRECOVERABLE_EXCEPTION = -100;
  NONIPOPT_EXCEPTION_THROWN = -101;
  INSUFFICIENT_MEMORY = -102;
  INTERNAL_ERROR = 199;
}