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authorRobert Griesemer <gri@golang.org>2008-11-19 14:32:15 -0800
committerRobert Griesemer <gri@golang.org>2008-11-19 14:32:15 -0800
commit8b15e7853c171cf417707aeed2460fc5cf37a377 (patch)
tree0727962cb34f866d51ed77744a339ec164545eab /src/lib/sort.go
parent71047a22f5eb8a2070457ba6bf3b9ce465df8cf8 (diff)
downloadgolang-8b15e7853c171cf417707aeed2460fc5cf37a377.tar.gz
- adjust sort.go to use new naming conventions
R=rsc DELTA=31 (0 added, 0 deleted, 31 changed) OCL=19618 CL=19620
Diffstat (limited to 'src/lib/sort.go')
-rw-r--r--src/lib/sort.go56
1 files changed, 28 insertions, 28 deletions
diff --git a/src/lib/sort.go b/src/lib/sort.go
index 381388223..6b46b754b 100644
--- a/src/lib/sort.go
+++ b/src/lib/sort.go
@@ -5,9 +5,9 @@
package sort
export type SortInterface interface {
- len() int;
- less(i, j int) bool;
- swap(i, j int);
+ Len() int;
+ Less(i, j int) bool;
+ Swap(i, j int);
}
func min(a, b int) int {
@@ -20,8 +20,8 @@ func min(a, b int) int {
// Insertion sort
func InsertionSort(data SortInterface, a, b int) {
for i := a+1; i < b; i++ {
- for j := i; j > a && data.less(j, j-1); j-- {
- data.swap(j, j-1);
+ for j := i; j > a && data.Less(j, j-1); j-- {
+ data.Swap(j, j-1);
}
}
}
@@ -36,15 +36,15 @@ func MedianOfThree(data SortInterface, a, b, c int) {
m2 := c;
// bubble sort on 3 elements
- if data.less(m1, m0) { data.swap(m1, m0); }
- if data.less(m2, m1) { data.swap(m2, m1); }
- if data.less(m1, m0) { data.swap(m1, m0); }
+ if data.Less(m1, m0) { data.Swap(m1, m0); }
+ if data.Less(m2, m1) { data.Swap(m2, m1); }
+ if data.Less(m1, m0) { data.Swap(m1, m0); }
// now data[m0] <= data[m1] <= data[m2]
}
func SwapRange(data SortInterface, a, b, n int) {
for i := 0; i < n; i++ {
- data.swap(a+i, b+i);
+ data.Swap(a+i, b+i);
}
}
@@ -72,28 +72,28 @@ func Pivot(data SortInterface, lo, hi int) (midlo, midhi int) {
pivot := lo;
a, b, c, d := lo+1, lo+1, hi, hi;
for b < c {
- if data.less(b, pivot) { // data[b] < pivot
+ if data.Less(b, pivot) { // data[b] < pivot
b++;
continue;
}
- if !data.less(pivot, b) { // data[b] = pivot
- data.swap(a, b);
+ if !data.Less(pivot, b) { // data[b] = pivot
+ data.Swap(a, b);
a++;
b++;
continue;
}
- if data.less(pivot, c-1) { // data[c-1] > pivot
+ if data.Less(pivot, c-1) { // data[c-1] > pivot
c--;
continue;
}
- if !data.less(c-1, pivot) { // data[c-1] = pivot
- data.swap(c-1, d-1);
+ if !data.Less(c-1, pivot) { // data[c-1] = pivot
+ data.Swap(c-1, d-1);
c--;
d--;
continue;
}
// data[b] > pivot; data[c-1] < pivot
- data.swap(b, c-1);
+ data.Swap(b, c-1);
b++;
c--;
}
@@ -118,14 +118,14 @@ func Quicksort(data SortInterface, a, b int) {
}
export func Sort(data SortInterface) {
- Quicksort(data, 0, data.len());
+ Quicksort(data, 0, data.Len());
}
export func IsSorted(data SortInterface) bool {
- n := data.len();
+ n := data.Len();
for i := n - 1; i > 0; i-- {
- if data.less(i, i - 1) {
+ if data.Less(i, i - 1) {
return false;
}
}
@@ -139,27 +139,27 @@ export type IntArray struct {
data *[]int;
}
-func (p *IntArray) len() int { return len(p.data); }
-func (p *IntArray) less(i, j int) bool { return p.data[i] < p.data[j]; }
-func (p *IntArray) swap(i, j int) { p.data[i], p.data[j] = p.data[j], p.data[i]; }
+func (p *IntArray) Len() int { return len(p.data); }
+func (p *IntArray) Less(i, j int) bool { return p.data[i] < p.data[j]; }
+func (p *IntArray) Swap(i, j int) { p.data[i], p.data[j] = p.data[j], p.data[i]; }
export type FloatArray struct {
data *[]float;
}
-func (p *FloatArray) len() int { return len(p.data); }
-func (p *FloatArray) less(i, j int) bool { return p.data[i] < p.data[j]; }
-func (p *FloatArray) swap(i, j int) { p.data[i], p.data[j] = p.data[j], p.data[i]; }
+func (p *FloatArray) Len() int { return len(p.data); }
+func (p *FloatArray) Less(i, j int) bool { return p.data[i] < p.data[j]; }
+func (p *FloatArray) Swap(i, j int) { p.data[i], p.data[j] = p.data[j], p.data[i]; }
export type StringArray struct {
data *[]string;
}
-func (p *StringArray) len() int { return len(p.data); }
-func (p *StringArray) less(i, j int) bool { return p.data[i] < p.data[j]; }
-func (p *StringArray) swap(i, j int) { p.data[i], p.data[j] = p.data[j], p.data[i]; }
+func (p *StringArray) Len() int { return len(p.data); }
+func (p *StringArray) Less(i, j int) bool { return p.data[i] < p.data[j]; }
+func (p *StringArray) Swap(i, j int) { p.data[i], p.data[j] = p.data[j], p.data[i]; }
// Convenience wrappers for common cases