/* increment in this domain */
v += control_delta;
/* clamp to appropriate range for linear/fractional slider domain */
v = std::max (0.0, std::min (1.0, v));
/* convert back to gain coefficient domain */
/* increment in this domain */
v += control_delta;
/* clamp to appropriate range for linear/fractional slider domain */
v = std::max (0.0, std::min (1.0, v));
/* convert back to gain coefficient domain */