u8u
A unipolar k rate function defined by 8 segments. Use factor/conv/unipolar2bipolar and bipolar2unipolar if you need bipolar functions. It can be used to shape saw LFOs, enveloppes and many other control signals such as pitch (if you need to control a parameter depending on pitch)...
Inlets
frac32 in
Outlets
frac32 out
Parameters
frac32.u.mapvsl p0
frac32.u.mapvsl p1
frac32.u.mapvsl p2
frac32.u.mapvsl p3
frac32.u.mapvsl p4
frac32.u.mapvsl p5
frac32.u.mapvsl p6
frac32.u.mapvsl p7
frac32.u.mapvsl p8
if (inlet_in >= (1 << 27))
outlet_out = param_p8;
else if (inlet_in <= 0)
outlet_out = param_p0;
else {
int32_t i = inlet_in >> (27 - 3); // i [0 8[
int32_t a = (inlet_in & ((1 << (27 - 3)) - 1)); // a q24
if (i < 4) { // [0 4[
if (i < 2) { // [0 2[
if (i < 1) { // [0 1[ q27 q24 q19 q27
outlet_out = ___SMMLA(param_p1 - param_p0, a, param_p0 >> 8) << 8;
} else { // [1 2[
outlet_out = ___SMMLA(param_p2 - param_p1, a, param_p1 >> 8) << 8;
}
} else { // [2 4[
if (i < 3) { // [2 3[
outlet_out = ___SMMLA(param_p3 - param_p2, a, param_p2 >> 8) << 8;
} else { // [3 4[
outlet_out = ___SMMLA(param_p4 - param_p3, a, param_p3 >> 8) << 8;
}
}
} else { // [4 8[
if (i < 6) { // [4 6[
if (i < 5) { // [4 5[
outlet_out = ___SMMLA(param_p5 - param_p4, a, param_p4 >> 8) << 8;
} else { // [5 6[
outlet_out = ___SMMLA(param_p6 - param_p5, a, param_p5 >> 8) << 8;
}
} else { // [6 8[
if (i < 7) { // [6 7[
outlet_out = ___SMMLA(param_p7 - param_p6, a, param_p6 >> 8) << 8;
} else { // [7 8[
outlet_out = ___SMMLA(param_p8 - param_p7, a, param_p7 >> 8) << 8;
}
}
}
}