grd property Null safety
final
        Implementation
static final NormalOperation grd = NormalOperation.floatOnly(
    floatCalc: (Model m) {
      m.trigMode = TrigMode.grad;
    },
    name: 'GRD');static final NormalOperation grd = NormalOperation.floatOnly(
    floatCalc: (Model m) {
      m.trigMode = TrigMode.grad;
    },
    name: 'GRD');