A4
4x4 Householder reflection matrix
Inlets
frac32buffer in0
frac32buffer in1
frac32buffer in2
frac32buffer in3
Outlets
frac32buffer out0
frac32buffer out1
frac32buffer out2
frac32buffer out3
// +---
// -+--
// --+-
// ---+
int32_t y = (inlet_in0 + inlet_in1 + inlet_in2 + inlet_in3) >> 1;
outlet_out0 = inlet_in0 - y;
outlet_out1 = inlet_in1 - y;
outlet_out2 = inlet_in2 - y;
outlet_out3 = inlet_in3 - y;