rot
cos sin rotation
Inlets
frac32buffer r
frac32buffer i
Outlets
frac32buffer r
frac32buffer i
Parameters
frac32.u.map theta
Declaration
int32_t sin2t_q27(uint32_t p) {
int32_t a = (p & ((1 << 20) - 1)) << 8; // q28
uint32_t i = p >> 20;
return ___SMMLA(a, sine2t[i + 1] - sine2t[i], sine2t[i] >> 4);
}
int32_t cos2t_q27(uint32_t p) { return sin2t_q27(p + (1UL << 30)); }
Control Rate
uint32_t a = (param_theta & 0x07FFFFFF) << 5;
int32_t c = cos2t_q27(a);
int32_t s = sin2t_q27(a);
Audio Rate
outlet_r = ___SMMLS(inlet_i, s, ___SMMUL(inlet_r, c)) << 5;
outlet_i = ___SMMLA(inlet_i, c, ___SMMUL(inlet_r, s)) << 5;