// CoinSelect will attempt to select coins using the algorithm described
// in the MinPriorityCoinSelector struct.
968865
func (s MinPriorityCoinSelector) CoinSelect(targetValue btcutil.Amount, coins []Coin) (Coins, error) {
	possibleCoins := make([]Coin, 0, len(coins))
	possibleCoins = append(possibleCoins, coins...)

	sort.Sort(byValueAge(possibleCoins))

	// find the first coin with sufficient valueAge
	cutoffIndex := -1
	for i := 0; i < len(possibleCoins); i++ {
		if possibleCoins[i].ValueAge() >= s.MinAvgValueAgePerInput {
			cutoffIndex = i
			break
		}
	}
	if cutoffIndex < 0 {
		return nil, ErrCoinsNoSelectionAvailable
	}

	// create sets of input coins that will obey minimum average valueAge
	for i := cutoffIndex; i < len(possibleCoins); i++ {
		possibleHighCoins := possibleCoins[cutoffIndex : i+1]

		// choose a set of high-enough valueAge coins
		highSelect, err := (&MinNumberCoinSelector{
			MaxInputs:       s.MaxInputs,
			MinChangeAmount: s.MinChangeAmount,
		}).CoinSelect(targetValue, possibleHighCoins)

		if err != nil {
			// attempt to add available low priority to make a solution

			for numLow := 1; numLow <= cutoffIndex && numLow+(i-cutoffIndex) <= s.MaxInputs; numLow++ {
				allHigh := NewCoinSet(possibleCoins[cutoffIndex : i+1])
				newTargetValue := targetValue - allHigh.TotalValue()
				newMaxInputs := allHigh.Num() + numLow
				if newMaxInputs > numLow {
					newMaxInputs = numLow
				}
				newMinAvgValueAge := ((s.MinAvgValueAgePerInput * int64(allHigh.Num()+numLow)) - allHigh.TotalValueAge()) / int64(numLow)

				// find the minimum priority that can be added to set
				lowSelect, err := (&MinPriorityCoinSelector{
					MaxInputs:              newMaxInputs,
					MinChangeAmount:        s.MinChangeAmount,
					MinAvgValueAgePerInput: newMinAvgValueAge,
				}).CoinSelect(newTargetValue, possibleCoins[0:cutoffIndex])

				if err != nil {
					continue
				}

				for _, coin := range lowSelect.Coins() {
					allHigh.PushCoin(coin)
				}

				return allHigh, nil
			}
			// oh well, couldn't fix, try to add more high priority to the set.
		} else {
			extendedCoins := NewCoinSet(highSelect.Coins())

			// attempt to lower priority towards target with lowest ones first
			for n := 0; n < cutoffIndex; n++ {
				if extendedCoins.Num() >= s.MaxInputs {
					break
				}
				if possibleCoins[n].ValueAge() == 0 {
					continue
				}

				extendedCoins.PushCoin(possibleCoins[n])
				if extendedCoins.TotalValueAge()/int64(extendedCoins.Num()) < s.MinAvgValueAgePerInput {
					extendedCoins.PopCoin()
					continue
				}
			}
			return extendedCoins, nil
		}
	}

	return nil, ErrCoinsNoSelectionAvailable
}
1040178
func (b *AnnealingEpsilonGreedy) Select() int {
	if rand.Float64() > b.Epsilon() {
		// Select the maximal value from values.
		max := -1.0
		idx := -1

		// Find the index of the maximal value.
		for i, val := range b.values {
			if val > max {
				max = val
				idx = i
			}
		}

		return idx
	}

	// Otherwise return any of the values
	return rand.Intn(len(b.values))
}
134455
func (l *List) Select(i int) {
	l.SetSelected(i)
	if l.onSelectionChanged != nil {
		l.onSelectionChanged(l)
	}
}
160398
func choose(n, k int) int {
	if k == 0 {
		return 1
	} else if n == 0 {
		return 0
	}
	result := float64(n - (k - 1))
	for i := 2; i <= k; i++ {
		result *= float64(n-(k-i)) / float64(i)
	}

	return int(result)
}
802764
func commentSelection(src []byte) Selection {
	var s scanner.Scanner
	fset := token.NewFileSet()
	file := fset.AddFile("", fset.Base(), len(src))
	s.Init(file, src, nil, scanner.ScanComments)
	return func() (seg []int) {
		for {
			pos, tok, lit := s.Scan()
			if tok == token.EOF {
				break
			}
			offs := file.Offset(pos)
			if tok == token.COMMENT {
				seg = []int{offs, offs + len(lit)}
				break
			}
		}
		return
	}
}
1113484
func (kp *Keypairs) Select(orgID *identity.ID, t primitive.KeyType) (*ClaimedKeyPair, error) {
	if orgID == nil {
		return nil, errors.New("Invalid OrgID Provided to select keypairs")
	}

	possible, ok := kp.keypairs[*orgID]
	if !ok {
		return nil, ErrMissingKeysForOrg
	}

	for _, k := range possible {
		if k.PublicKey.Body.KeyType == t && !k.Revoked() {
			return &k, nil
		}
	}

	return nil, ErrMissingValidKeypair
}
1339234
func (t *Transaction) Select(i interface{}, query string, args ...interface{}) ([]interface{}, error) {
	if t.dbmap.ExpandSliceArgs {
		expandSliceArgs(&query, args...)
	}

	return hookedselect(t.dbmap, t, i, query, args...)
}
22137
func (as ArraySpec) Coin() Input {
	return as.proc(func(i Input) Input {
		return i.Coin()
	})
}
1157641
func (p *Pool) selectNode(selected nodeList) (Node, error) {

	defer scopedLock(&p.mutx)()

	if len(p.nodes) == 0 {
		return Node{}, errors.New("disque: no nodes in pool")
	}

	nodes := nodeList{}
	for _, node := range p.nodes {
		if node.Priority <= maxPriority && !selected.contains(node) {
			nodes = append(nodes, node)
		}
	}
	if len(nodes) == 0 {
		return Node{}, errors.New("disque: no nodes left to select from")
	}

	return nodes[rand.Intn(len(nodes))], nil

}
190697
func (pt PlanType) IsSelect() bool {
	return pt == PlanPassSelect || pt == PlanSelectLock || pt == PlanSelectImpossible
}
1052357
func newWeightedRandomSelect() *weightedRandomSelect {
	return &weightedRandomSelect{root: &wrsNode{maxItems: wrsBranches}, idx: make(map[wrsItem]int)}
}
159827
func (rb *Bitmap) Select(x uint32) (uint32, error) {
	if rb.GetCardinality() <= uint64(x) {
		return 0, fmt.Errorf("can't find %dth integer in a bitmap with only %d items", x, rb.GetCardinality())
	}

	remaining := x
	for i := 0; i < rb.highlowcontainer.size(); i++ {
		c := rb.highlowcontainer.getContainerAtIndex(i)
		if remaining >= uint32(c.getCardinality()) {
			remaining -= uint32(c.getCardinality())
		} else {
			key := rb.highlowcontainer.getKeyAtIndex(i)
			return uint32(key)<<16 + uint32(c.selectInt(uint16(remaining))), nil
		}
	}
	return 0, fmt.Errorf("can't find %dth integer in a bitmap with only %d items", x, rb.GetCardinality())
}
401993
func (s *Selection) ParentsFilteredUntilSelection(filterSelector string, sel *Selection) *Selection {
	return s.ParentsMatcherUntilSelection(compileMatcher(filterSelector), sel)
}
616380
func (s *Selection) BeforeSelection(sel *Selection) *Selection {
	return s.BeforeNodes(sel.Nodes...)
}
920887
func (t *Transaction) Select(dest interface{}, query string, args ...interface{}) error {
	return hookedselect(t.dbmap, t, dest, query, args...)
}
449702
func (n *wrsNode) choose(val int64) (wrsItem, int64) {
	for i, w := range n.weights {
		if val < w {
			if n.level == 0 {
				return n.items[i].(wrsItem), n.weights[i]
			}
			return n.items[i].(*wrsNode).choose(val)
		}
		val -= w
	}
	panic(nil)
}
873262
func ParseSelector(selector string) (Selector, error) {
	return parseSelector(selector,
		func(lhs, rhs string) (newLhs, newRhs string, err error) {
			return lhs, rhs, nil
		})
}