Name

clamp_val — return a value clamped to a given range using val's type

Synopsis

clamp_val ( val,
  lo,
  hi);
 

Arguments

val

current value

lo

minimum allowable value

hi

maximum allowable value

Description

This macro does no typechecking and uses temporary variables of whatever type the input argument 'val' is. This is useful when val is an unsigned type and min and max are literals that will otherwise be assigned a signed integer type.