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authorJim Laskey <jlaskey@mac.com>2005-08-25 16:21:56 +0000
committerJim Laskey <jlaskey@mac.com>2005-08-25 16:21:56 +0000
commit6600fa2d1706e697ef058992bed709708d4d403c (patch)
tree35d04f3f72407597b2fa08bf0df88594bf313545 /include/llvm/Support
parent2d48b13eef649cb1e359d6eb43b4c5d111124153 (diff)
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Recommended to use std::algorithms instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23046 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Support')
-rw-r--r--include/llvm/Support/Search.h78
1 files changed, 0 insertions, 78 deletions
diff --git a/include/llvm/Support/Search.h b/include/llvm/Support/Search.h
deleted file mode 100644
index 3af723e..0000000
--- a/include/llvm/Support/Search.h
+++ /dev/null
@@ -1,78 +0,0 @@
-//===- llvm/Support/Search.h - Support for searching algorithms -*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// These templates impliment various generic search algorithms.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_SUPPORT_SEARCH_H
-#define LLVM_SUPPORT_SEARCH_H
-
-namespace llvm {
- // SearchString - generalized string compare method container. Used for
- // search templates.
- struct SearchString {
- static inline int Compare(const char *A, const char *B) {
- return strcmp(A, B);
- }
- };
-
- // LinearSearch - search an array of items for a match using linear search
- // algorithm. Return find index or -1 if not found.
- // ItemType - type of elements in array.
- // CompareClass - container for compare method in form of
- // static int Compare(ItemType A, ItemType B)
- // returns < 0 for A < B
- // > 0 for A > B
- // == 0 for A == B
- // Match - item to match in array.
- // Array - an array of items to be searched.
- // Size - size of array in bytes.
- //
- // Eg. LinearSearch<const char *, SearchString>("key", List, sizeof(List));
- //
- template<typename ItemType, class CompareClass>
- inline int LinearSearch(ItemType Match, ItemType Array[], size_t Size) {
- unsigned N = Size / sizeof(ItemType);
- for (unsigned Index = 0; Index < N; Index++) {
- if (!CompareClass::Compare(Match, Array[Index])) return Index;
- }
- return -1;
- }
-
- // BinarySearch - search an array of items for a match using binary search
- // algorithm. Return find index or -1 if not found.
- // ItemType - type of elements in array.
- // CompareClass - container for compare method in form of
- // static int Compare(ItemType A, ItemType B)
- // returns < 0 for A < B
- // > 0 for A > B
- // == 0 for A == B
- // Match - item to match in array.
- // Array - a sorted array of items to be searched.
- // Size - size of array in bytes.
- //
- // Eg. BinarySearch<const char *, SearchString>("key", List, sizeof(List));
- //
- template<typename ItemType, class CompareClass>
- inline int BinarySearch(ItemType Match, ItemType Array[], size_t Size) {
- int Lo = 0, Hi = Size / sizeof(ItemType);
- while (Lo <= Hi) {
- unsigned Mid = (Lo + Hi) >> 1;
- int Result = CompareClass::Compare(Match, Array[Mid]);
- if (Result < 0) Hi = Mid - 1;
- else if (Result > 0) Lo = Mid + 1;
- else return Mid;
- }
- return -1;
- }
-}
-
-#endif
-