/* Error Code of atFunctions. */

#define NORMAL_END		0	/* normal end (no error)*/
#define NULL_VECTOR		-1	/* input vector is null
					   which should be non-zero */
#define INCONSISTENT_RM		-2	/* inconsisten Rotation matrix */
#define STRING_FORMAT_ERROR	-3	/* error in character string format */
#define OPEN_ERROR		-10	/* file open error */
#define FILE_FORMAT_ERROR	-11	/* error in file format */
#define NOT_CONVERGED		10	/* equation was not solved */