Every coord can only appear at mot one time in the dirty coord list. rdman_coord_changed() will check COF_DIRTY flags to make sure never add a coord into dirty coord list more than one time. So, we don't need to check it, again, in clean_rdman_dirties().

#ifndef __MB_BASIC_TYPES_H_
#define __MB_BASIC_TYPES_H_

typedef float co_aix;
typedef float co_comp_t;
typedef struct _grad_stop {
    co_aix offset;
    co_comp_t r, g, b, a;
} grad_stop_t;

#endif /* __MB_BASIC_TYPES_H_ */