diff options
Diffstat (limited to 'libgo/go/container/heap/heap.go')
| -rw-r--r-- | libgo/go/container/heap/heap.go | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libgo/go/container/heap/heap.go b/libgo/go/container/heap/heap.go index 7110c513f08..b2c64276c82 100644 --- a/libgo/go/container/heap/heap.go +++ b/libgo/go/container/heap/heap.go @@ -72,8 +72,9 @@ func Remove(h Interface, i int) interface{} { n := h.Len() - 1 if n != i { h.Swap(i, n) - down(h, i, n) - up(h, i) + if !down(h, i, n) { + up(h, i) + } } return h.Pop() } @@ -107,7 +108,7 @@ func down(h Interface, i0, n int) bool { break } j := j1 // left child - if j2 := j1 + 1; j2 < n && !h.Less(j1, j2) { + if j2 := j1 + 1; j2 < n && h.Less(j2, j1) { j = j2 // = 2*i + 2 // right child } if !h.Less(j, i) { |