181 #define __clamp(val, lo, hi)	\  argument
182 	((val) >= (hi) ? (hi) : ((val) <= (lo) ? (lo) : (val)))
184 #define __clamp_once(type, val, lo, hi, uval, ulo, uhi) ({			\  argument
186 	type ulo = (lo);							\
189 		"clamp() low limit " #lo " greater than high limit " #hi);	\
191 		"clamp("#val", "#lo", "#hi") signedness error");		\
194 #define __careful_clamp(type, val, lo, hi) \  argument
195 	__clamp_once(type, val, lo, hi, __UNIQUE_ID(v_), __UNIQUE_ID(l_), __UNIQUE_ID(h_))
206 #define clamp(val, lo, hi) __careful_clamp(__auto_type, val, lo, hi)  argument
218 #define clamp_t(type, val, lo, hi) __careful_clamp(type, val, lo, hi)  argument
231 #define clamp_val(val, lo, hi) __careful_clamp(typeof(val), val, lo, hi)  argument