summaryrefslogtreecommitdiff
path: root/MobileCydia.mm
diff options
context:
space:
mode:
authorJay Freeman (saurik) <saurik@saurik.com>2011-03-06 13:18:17 -0800
committerJay Freeman (saurik) <saurik@saurik.com>2011-03-07 02:41:53 -0800
commitde42680bef43288d9338d846841a2f9eebfd83b6 (patch)
tree61d14ac2974a66ccc6f3c20fcb5680a608554f22 /MobileCydia.mm
parentb97fcfc657e70c3216aab492819039dce187eeed (diff)
Separate out Menes/radixSortWithSelector.*.
Diffstat (limited to 'MobileCydia.mm')
-rw-r--r--MobileCydia.mm85
1 files changed, 4 insertions, 81 deletions
diff --git a/MobileCydia.mm b/MobileCydia.mm
index fcccdd5..2a76717 100644
--- a/MobileCydia.mm
+++ b/MobileCydia.mm
@@ -279,83 +279,6 @@ static const NSStringCompareOptions MatchCompareOptions_ = NSLiteralSearch | NSC
static const NSStringCompareOptions LaxCompareOptions_ = NSNumericSearch | NSDiacriticInsensitiveSearch | NSWidthInsensitiveSearch | NSCaseInsensitiveSearch;
static const CFStringCompareFlags LaxCompareFlags_ = kCFCompareCaseInsensitive | kCFCompareNonliteral | kCFCompareLocalized | kCFCompareNumerically | kCFCompareWidthInsensitive | kCFCompareForcedOrdering;
-/* Radix Sort {{{ */
-typedef uint32_t (*SKRadixFunction)(id, void *);
-
-@interface NSMutableArray (Radix)
-- (void) radixSortUsingFunction:(SKRadixFunction)function withContext:(void *)argument;
-@end
-
-struct RadixItem_ {
- size_t index;
- uint32_t key;
-};
-
-@implementation NSMutableArray (Radix)
-
-- (void) radixSortUsingFunction:(SKRadixFunction)function withContext:(void *)argument {
- size_t count([self count]);
- struct RadixItem_ *swap(new RadixItem_[count * 2]);
-
- for (size_t i(0); i != count; ++i) {
- RadixItem_ &item(swap[i]);
- item.index = i;
-
- id object([self objectAtIndex:i]);
- item.key = function(object, argument);
- }
-
- struct RadixItem_ *lhs(swap), *rhs(swap + count);
-
- static const size_t width = 32;
- static const size_t bits = 11;
- static const size_t slots = 1 << bits;
- static const size_t passes = (width + (bits - 1)) / bits;
-
- size_t *hist(new size_t[slots]);
-
- for (size_t pass(0); pass != passes; ++pass) {
- memset(hist, 0, sizeof(size_t) * slots);
-
- for (size_t i(0); i != count; ++i) {
- uint32_t key(lhs[i].key);
- key >>= pass * bits;
- key &= _not(uint32_t) >> width - bits;
- ++hist[key];
- }
-
- size_t offset(0);
- for (size_t i(0); i != slots; ++i) {
- size_t local(offset);
- offset += hist[i];
- hist[i] = local;
- }
-
- for (size_t i(0); i != count; ++i) {
- uint32_t key(lhs[i].key);
- key >>= pass * bits;
- key &= _not(uint32_t) >> width - bits;
- rhs[hist[key]++] = lhs[i];
- }
-
- RadixItem_ *tmp(lhs);
- lhs = rhs;
- rhs = tmp;
- }
-
- delete [] hist;
-
- const void **values(new const void *[count]);
- for (size_t i(0); i != count; ++i)
- values[i] = [self objectAtIndex:lhs[i].index];
- CFArrayReplaceValues((CFMutableArrayRef) self, CFRangeMake(0, count), values, count);
- delete [] values;
-
- delete [] swap;
-}
-
-@end
-/* }}} */
/* Insertion Sort {{{ */
CFIndex SKBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
@@ -3508,9 +3431,9 @@ static NSString *Warning_;
packages_ = [[NSArray alloc] initWithObjects:&packages.front() count:packages.size()];
_trace();*/
- [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(16)];
- [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(4)];
- [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(0)];
+ [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(16)];
+ [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(4)];
+ [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(0)];
/*_trace();
PrintTimes();
@@ -7306,7 +7229,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
_end
_trace();
_profile(ChangesController$_reloadPackages$radixSort)
- [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackageChangesRadix) withContext:NULL];
+ [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackageChangesRadix) withContext:NULL];
_end
_trace();
}