limit attr
clamps the input between 'high' and 'low'.
Inlets
frac32 in
Outlets
frac32 out
Attributes
spinner hi
spinner lo
Control Rate
if ((inlet_in <= (attr_hi << 21)) && (inlet_in >= (attr_lo << 21)))
outlet_out = inlet_in;
else {
if (inlet_in < (attr_lo << 21))
outlet_out = attr_lo << 21;
else
outlet_out = attr_hi << 21;
}