Golang TreeParams.TmpMinSize Beispiele

Beispiel #1

Datei: gp_breed.go Projekt: verdverm/go-eureqa

func InjectEqn_50_150(p1 Expr, egp *prob.TreeParams, rng *rand.Rand) Expr {
	eqn := p1.Clone()
	eqn.CalcExprStats(0)

	// begin loop
	s1 := rng.Intn(eqn.Size())
	s1_tmp := s1
	e1 := eqn.GetExpr(&s1_tmp)

	egp.ResetCurr()
	egp.ResetTemp()
	egp.TmpMinSize = e1.Size() / 2
	egp.TmpMaxSize = (e1.Size() * 3) / 2
	// loop if min/max out of bounds
	// and select new subtree

	// not correct (should be size based)
	new_eqn := exprGrow(-1, ExprGenDepth, egp, rng)
	//   eqn.SetExpr(&s1, new_eqn )
	SwapExpr(eqn, new_eqn, s1)
	eqn.CalcExprStats(0)
	return eqn
}