To use the node in your project you should have the koadrobot/math library installed. Use the “File → Add Library” menu item in XOD IDE if you don’t have it yet. See Using libraries for more info.
C++ implementation
#pragma XOD dirtieness disable
struct State {
};
{{ GENERATED_CODE }}
void evaluate(Context ctx)
{
Number in1 = getValue<input_IN1>(ctx) ;
Number in2 = getValue<input_IN2>(ctx) ;
emitValue<output_OUT>(ctx, sqrt((in1*in1)+(in2*in2)));
}