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authorMarijn Haverbeke <marijnh@gmail.com>2011-05-12 17:24:54 +0200
committerMarijn Haverbeke <marijnh@gmail.com>2011-05-12 21:30:44 +0200
commit3816e57fd2a8ab19e4ac6d4b3ddd5b49d5973ff2 (patch)
tree508982ed2f789aedd89eebd529343d9dc88b8e01 /src/lib/Sort.rs
parentb1d3364487eb647f2d7fcb412a260c960e38c73e (diff)
downloadrust-3816e57fd2a8ab19e4ac6d4b3ddd5b49d5973ff2.tar.gz
rust-3816e57fd2a8ab19e4ac6d4b3ddd5b49d5973ff2.zip
Downcase std modules again, move to :: for module dereferencing
This should be a snapshot transition.
Diffstat (limited to 'src/lib/Sort.rs')
-rw-r--r--src/lib/Sort.rs101
1 files changed, 0 insertions, 101 deletions
diff --git a/src/lib/Sort.rs b/src/lib/Sort.rs
deleted file mode 100644
index 7ecaaaba0cf..00000000000
--- a/src/lib/Sort.rs
+++ /dev/null
@@ -1,101 +0,0 @@
-import Vec.len;
-import Vec.slice;
-
-type lteq[T] = fn(&T a, &T b) -> bool;
-
-fn merge_sort[T](lteq[T] le, vec[T] v) -> vec[T] {
-
-    fn merge[T](lteq[T] le, vec[T] a, vec[T] b) -> vec[T] {
-        let vec[T] res = vec();
-        let uint a_len = len[T](a);
-        let uint a_ix = 0u;
-        let uint b_len = len[T](b);
-        let uint b_ix = 0u;
-        while (a_ix < a_len && b_ix < b_len) {
-            if (le(a.(a_ix), b.(b_ix))) {
-                res += vec(a.(a_ix));
-                a_ix += 1u;
-            } else {
-                res += vec(b.(b_ix));
-                b_ix += 1u;
-            }
-        }
-        res += slice[T](a, a_ix, a_len);
-        res += slice[T](b, b_ix, b_len);
-        ret res;
-    }
-
-    let uint v_len = len[T](v);
-
-    if (v_len <= 1u) {
-        ret v;
-    }
-
-    let uint mid = v_len / 2u;
-    let vec[T] a = slice[T](v, 0u, mid);
-    let vec[T] b = slice[T](v, mid, v_len);
-    ret merge[T](le,
-                 merge_sort[T](le, a),
-                 merge_sort[T](le, b));
-}
-
-fn swap[T](vec[mutable T] arr, uint x, uint y) {
-    auto a = arr.(x);
-    arr.(x) = arr.(y);
-    arr.(y) = a;
-}
-
-fn part[T](lteq[T] compare_func, vec[mutable T] arr, uint left,
-        uint right, uint pivot) -> uint {
-
-    fn compare[T](lteq[T] compare_func, vec[mutable T]arr,
-           uint arr_idx, &T arr_value) -> bool {
-
-        ret compare_func(arr.(arr_idx),arr_value);
-    }
-
-    auto pivot_value = arr.(pivot);
-    swap[T](arr, pivot, right);
-    let uint storage_index = left;
-    let uint i = left;
-    while (i<right) {
-        if (compare[T](compare_func, arr, i, pivot_value)) {
-           swap[T](arr, i, storage_index);
-           storage_index += 1u;
-        }
-        i += 1u;
-    }
-    swap[T](arr, storage_index, right);
-    ret storage_index;
-}
-
-fn qsort[T](lteq[T] compare_func, vec[mutable T] arr, uint left,
-        uint right) {
-
-    if (right > left) {
-        auto pivot = (left+right)/2u;
-        auto new_pivot = part[T](compare_func, arr, left, right, pivot);
-        if (new_pivot == 0u) {
-             ret;
-        }
-        qsort[T](compare_func, arr, left, new_pivot - 1u);
-        qsort[T](compare_func, arr, new_pivot + 1u, right);
-    }
-}
-
-fn quick_sort[T](lteq[T] compare_func, vec[mutable T] arr) {
-
-    if (len[T](arr) == 0u) {
-        ret;
-    }
-    qsort[T](compare_func, arr, 0u, (len[T](arr)) - 1u);
-}
-
-// Local Variables:
-// mode: rust;
-// fill-column: 78;
-// indent-tabs-mode: nil
-// c-basic-offset: 4
-// buffer-file-coding-system: utf-8-unix
-// compile-command: "make -k -C .. 2>&1 | sed -e 's/\\/x\\//x:\\//g'";
-// End: