@Override
public O compute(I1 z1, I2 z2, O output) {
/*
optimized version (fewer multiplies) : from mathworld.com
seems to exhibit some rounding differences from textbook algorithm
double a = z1.getRealDouble();
double b = z1.getImaginaryDouble();
double c = z2.getRealDouble();
double d = z2.getImaginaryDouble();
double ac = a*c;
double bd = b*d;
double x = ac - bd;
double y = (a + b)*(c + d) - ac - bd;
*/
// textbook version : works
double x =
z1.getRealDouble() * z2.getRealDouble() - z1.getImaginaryDouble() * z2.getImaginaryDouble();
double y =
z1.getImaginaryDouble() * z2.getRealDouble() + z1.getRealDouble() * z2.getImaginaryDouble();
output.setComplexNumber(x, y);
return output;
}
@Override
public O compute(I1 x1, I2 x2, O output) {
output.setReal(x1.getRealDouble() - x2.getRealDouble());
return output;
}
@Override
public O compute(I1 x1, I2 x2, O output) {
double value = (long) x1.getRealDouble() & (long) x2.getRealDouble();
output.setReal(value);
return output;
}
