diff options
Diffstat (limited to 'src/lib/lib7z/Sort.c')
-rw-r--r-- | src/lib/lib7z/Sort.c | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/src/lib/lib7z/Sort.c b/src/lib/lib7z/Sort.c deleted file mode 100644 index 57559a5d580..00000000000 --- a/src/lib/lib7z/Sort.c +++ /dev/null @@ -1,93 +0,0 @@ -/* Sort.c -- Sort functions -2010-09-17 : Igor Pavlov : Public domain */ - -#include "Sort.h" - -#define HeapSortDown(p, k, size, temp) \ - { for (;;) { \ - UInt32 s = (k << 1); \ - if (s > size) break; \ - if (s < size && p[s + 1] > p[s]) s++; \ - if (temp >= p[s]) break; \ - p[k] = p[s]; k = s; \ - } p[k] = temp; } - -void HeapSort(UInt32 *p, UInt32 size) -{ - if (size <= 1) - return; - p--; - { - UInt32 i = size / 2; - do - { - UInt32 temp = p[i]; - UInt32 k = i; - HeapSortDown(p, k, size, temp) - } - while (--i != 0); - } - /* - do - { - UInt32 k = 1; - UInt32 temp = p[size]; - p[size--] = p[1]; - HeapSortDown(p, k, size, temp) - } - while (size > 1); - */ - while (size > 3) - { - UInt32 temp = p[size]; - UInt32 k = (p[3] > p[2]) ? 3 : 2; - p[size--] = p[1]; - p[1] = p[k]; - HeapSortDown(p, k, size, temp) - } - { - UInt32 temp = p[size]; - p[size] = p[1]; - if (size > 2 && p[2] < temp) - { - p[1] = p[2]; - p[2] = temp; - } - else - p[1] = temp; - } -} - -/* -#define HeapSortRefDown(p, vals, n, size, temp) \ - { UInt32 k = n; UInt32 val = vals[temp]; for (;;) { \ - UInt32 s = (k << 1); \ - if (s > size) break; \ - if (s < size && vals[p[s + 1]] > vals[p[s]]) s++; \ - if (val >= vals[p[s]]) break; \ - p[k] = p[s]; k = s; \ - } p[k] = temp; } - -void HeapSortRef(UInt32 *p, UInt32 *vals, UInt32 size) -{ - if (size <= 1) - return; - p--; - { - UInt32 i = size / 2; - do - { - UInt32 temp = p[i]; - HeapSortRefDown(p, vals, i, size, temp); - } - while (--i != 0); - } - do - { - UInt32 temp = p[size]; - p[size--] = p[1]; - HeapSortRefDown(p, vals, 1, size, temp); - } - while (size > 1); -} -*/ |