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) {
auto x = getValue<input_IN>(ctx);
emitValue<output_OUT>(ctx, trunc(x));
// emitValue<output_OUT>(ctx, (x < 0) ? ceil(x): floor(x));
}