func (f Float) Greater(b interface{}) (bool, error) {
fb, ok := b.(float64)
if !ok {
return false, stringError.StringError("parameters not float64")
}
return float64(f) > float64(fb), nil
}
func (hf *HeapFactory) AdjustBack(s, ln int) error {
if len(hf.Items) < ln {
return stringError.StringError(fmt.Sprintf("$3:%d is longer then len of $1", ln))
}
np := (s - 1) / 2
for ; np >= 0 && s > 0; np = (s - 1) / 2 {
nchild := 2*np + 1
if nchild < ln-1 {
b, e := hf.Items[nchild+1].Compare(hf.Items[nchild])
if e != nil {
return e
}
if b {
nchild++
}
}
b, e := hf.Items[nchild].Compare(hf.Items[np])
if e != nil {
return e
}
if b {
hf.Items[nchild], hf.Items[np] = hf.Items[np], hf.Items[nchild]
} else {
break
}
}
return nil
}
func (hf *HeapFactory) Adjust(s, ln int) error {
if len(hf.Items) < ln {
return stringError.StringError(fmt.Sprintf("$3:%d is longer then len of $1", ln))
}
nchild := 0
for ; 2*s+1 < ln; s = nchild {
nchild = 2*s + 1
if nchild < ln-1 {
b, e := hf.Items[nchild+1].Compare(hf.Items[nchild])
if e != nil {
return e
}
if b {
nchild++
}
}
b, e := hf.Items[nchild].Compare(hf.Items[s])
if e != nil {
return e
}
if b {
hf.Items[nchild], hf.Items[s] = hf.Items[s], hf.Items[nchild]
} else {
break
}
}
return nil
}
func (t *Trie) Find(key ILengthAt) (ValueNInt, error) {
b := t.array[0].base.NInt()
if b < 0 {
return ZeroFloatValue, stringError.StringError("trie not Init or Init error")
}
p := 0
for i := 0; i < key.Length(); i++ {
p = b + key.At(i) + 1
if b == t.array[p].check {
b = t.array[p].base.NInt()
} else {
return ZeroFloatValue, stringError.StringError("not found")
}
}
p = b
n := t.array[p].base
if b == t.array[p].check {
return n, nil
}
return ZeroFloatValue, stringError.StringError("not found")
}