frac32buffer input 0
frac32buffer input 1
frac32buffer input 2
frac32buffer input 3
frac32.positive s
frac32buffer output
void proc(int32_t sel, const int32_t *i0, const int32_t *i1, const int32_t *i2,
const int32_t *i3, int32_t *out) {
const int32_t *s0, *s1;
switch (sel >> (27 - 2)) {
case 0:
s0 = i0;
s1 = i1;
break;
case 1:
s0 = i1;
s1 = i2;
break;
case 2:
s0 = i2;
s1 = i3;
break;
case 3:
s0 = i3;
s1 = i0;
break;
}
int32_t a = (sel << 2) & 0x07FFFFFF;
for (int i = 0; i < BUFSIZE; i++) {
int32_t _s0 = s0[i];
out[i] = ___SMMLA(a, s1[i] - _s0, _s0 >> 5) << 5;
}
}
proc((inlet_s)&0x07FFFFFF, inlet_i0, inlet_i1, inlet_i2, inlet_i3, outlet_o);