opti_err.h

#ifndef OPTI_ERR_H
#define OPTI_ERR_H

/* errors */
enum {
  /* reaches convergence. */
  OPTI_SUCCESS = 0,
  OPTI_STOP,
  /* intial variables already minimize the objective function. */
  OPTI_ALREADY_MINIMIZED,
  /* unknown error */
  OPTI_ERR_UNKNOWN = -1024,
  /* insufficient memory. */
  OPTI_ERR_OUTOFMEMORY=-1025,
  /* invalid number of variables specified. */
  OPTI_ERR_INVALID_N=-1026,
  /* the algorithm has reached a termination criteria without reaching the objective. */
  OPTI_ERR_TERMINATION=-1
};

#endif