1af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow//===----------------------------------------------------------------------===// 2af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// 3af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// The LLVM Compiler Infrastructure 4af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// 5af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// This file is dual licensed under the MIT and the University of Illinois Open 6af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// Source Licenses. See LICENSE.TXT for details. 7af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// 8af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow//===----------------------------------------------------------------------===// 9af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 10af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// UNSUPPORTED: c++98, c++03, c++11 11af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 12af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// <functional> 13af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 14af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// boyer_moore searcher 15af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// template<class RandomAccessIterator1, 16af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// class Hash = hash<typename iterator_traits<RandomAccessIterator1>::value_type>, 17af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// class BinaryPredicate = equal_to<>> 18af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// class boyer_moore_searcher { 19af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// public: 20af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// boyer_moore_searcher(RandomAccessIterator1 pat_first, RandomAccessIterator1 pat_last, 21af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// Hash hf = Hash(), BinaryPredicate pred = BinaryPredicate()); 2284acb1ec3f7d5e0f37d7176697c2fa876c413407Eric Fiselier// 23af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// template<class RandomAccessIterator2> 24f6d6b51b634d0b4da46f1b24270ef6d9591c95c9Marshall Clow// pair<RandomAccessIterator2, RandomAccessIterator2> 25af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// operator()(RandomAccessIterator2 first, RandomAccessIterator2 last) const; 2684acb1ec3f7d5e0f37d7176697c2fa876c413407Eric Fiselier// 27af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// private: 28af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// RandomAccessIterator1 pat_first_; // exposition only 29af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// RandomAccessIterator1 pat_last_; // exposition only 30af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// Hash hash_; // exposition only 31af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// BinaryPredicate pred_; // exposition only 32af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// }; 33af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 34af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 35af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow#include <experimental/algorithm> 36af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow#include <experimental/functional> 37af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow#include <cassert> 38af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 39af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow#include "test_iterators.h" 40af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 41af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowtemplate <typename T> struct MyHash { 42a686caad209c0475fd69346fe841ebb67a6eb06eStephan T. Lavavej size_t operator () (T t) const { return static_cast<size_t>(t); } 43af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow}; 44af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 45af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowstruct count_equal 46af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow{ 47af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow static unsigned count; 48af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow template <class T> 49af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow bool operator()(const T& x, const T& y) const 50af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow {++count; return x == y;} 51af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow}; 52af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 53af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowunsigned count_equal::count = 0; 54af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 55af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowtemplate <typename Iter1, typename Iter2> 56af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowvoid do_search(Iter1 b1, Iter1 e1, Iter2 b2, Iter2 e2, Iter1 result, unsigned max_count) { 5784acb1ec3f7d5e0f37d7176697c2fa876c413407Eric Fiselier std::experimental::boyer_moore_searcher<Iter2, 58af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow MyHash<typename std::remove_cv<typename std::iterator_traits<Iter2>::value_type>::type>, 59af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow count_equal> 60af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow s{b2, e2}; 614797c1151d69741470c19fa56a27a7b912b1e604Marshall Clow count_equal::count = 0; 62af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow assert(result == std::experimental::search(b1, e1, s)); 634797c1151d69741470c19fa56a27a7b912b1e604Marshall Clow assert(count_equal::count <= max_count); 64af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow} 65af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 66af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowtemplate <class Iter1, class Iter2> 67af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowvoid 68af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowtest() 69af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow{ 70af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow int ia[] = {0, 1, 2, 3, 4, 5}; 71af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow const unsigned sa = sizeof(ia)/sizeof(ia[0]); 72af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia), Iter1(ia), 0); 73af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+1), Iter1(ia), sa); 74af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+1), Iter2(ia+2), Iter1(ia+1), sa); 75af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+2), Iter1(ia), 0); 76af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); 77af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); 78af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia), Iter2(ia+2), Iter2(ia+3), Iter1(ia), 0); 79af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-1), Iter2(ia+sa), Iter1(ia+sa-1), sa); 80af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-3), Iter2(ia+sa), Iter1(ia+sa-3), 3*sa); 81af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+sa), Iter1(ia), sa*sa); 82af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa-1), Iter2(ia), Iter2(ia+sa), Iter1(ia+sa-1), (sa-1)*sa); 830e5ebbc77c3c2cfd7d835fcfe40fcb65df0c5598Eric Fiselier 844797c1151d69741470c19fa56a27a7b912b1e604Marshall Clow do_search(Iter1(ia), Iter1(ia+1), Iter2(ia), Iter2(ia+sa), Iter1(ia+1), sa); 850e5ebbc77c3c2cfd7d835fcfe40fcb65df0c5598Eric Fiselier 86af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow int ib[] = {0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 4}; 87af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow const unsigned sb = sizeof(ib)/sizeof(ib[0]); 88af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow int ic[] = {1}; 89af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ib), Iter1(ib+sb), Iter2(ic), Iter2(ic+1), Iter1(ib+1), sb); 90af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow int id[] = {1, 2}; 91af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ib), Iter1(ib+sb), Iter2(id), Iter2(id+2), Iter1(ib+1), sb*2); 92af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow int ie[] = {1, 2, 3}; 93af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ib), Iter1(ib+sb), Iter2(ie), Iter2(ie+3), Iter1(ib+4), sb*3); 94af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow int ig[] = {1, 2, 3, 4}; 95af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ib), Iter1(ib+sb), Iter2(ig), Iter2(ig+4), Iter1(ib+8), sb*4); 96af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow int ih[] = {0, 1, 1, 1, 1, 2, 3, 0, 1, 2, 3, 4}; 97af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow const unsigned sh = sizeof(ih)/sizeof(ih[0]); 98af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow int ii[] = {1, 1, 2}; 99af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ih), Iter1(ih+sh), Iter2(ii), Iter2(ii+3), Iter1(ih+3), sh*3); 1000e5ebbc77c3c2cfd7d835fcfe40fcb65df0c5598Eric Fiselier 101af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow} 102af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 103af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowtemplate <class Iter1, class Iter2> 104af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowvoid 105af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowtest2() 106af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow{ 107af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow char ia[] = {0, 1, 2, 3, 4, 5}; 108af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow const unsigned sa = sizeof(ia)/sizeof(ia[0]); 109af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia), Iter1(ia), 0); 110af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+1), Iter1(ia), sa); 111af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+1), Iter2(ia+2), Iter1(ia+1), sa); 112af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+2), Iter1(ia), 0); 113af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); 114af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); 115af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia), Iter2(ia+2), Iter2(ia+3), Iter1(ia), 0); 116af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-1), Iter2(ia+sa), Iter1(ia+sa-1), sa); 117af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-3), Iter2(ia+sa), Iter1(ia+sa-3), 3*sa); 118af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+sa), Iter1(ia), sa*sa); 119af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa-1), Iter2(ia), Iter2(ia+sa), Iter1(ia+sa-1), (sa-1)*sa); 1200e5ebbc77c3c2cfd7d835fcfe40fcb65df0c5598Eric Fiselier 1214797c1151d69741470c19fa56a27a7b912b1e604Marshall Clow do_search(Iter1(ia), Iter1(ia+1), Iter2(ia), Iter2(ia+sa), Iter1(ia+1), sa); 1220e5ebbc77c3c2cfd7d835fcfe40fcb65df0c5598Eric Fiselier 123af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow char ib[] = {0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 4}; 124af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow const unsigned sb = sizeof(ib)/sizeof(ib[0]); 125af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow char ic[] = {1}; 126af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ib), Iter1(ib+sb), Iter2(ic), Iter2(ic+1), Iter1(ib+1), sb); 127af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow char id[] = {1, 2}; 128af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ib), Iter1(ib+sb), Iter2(id), Iter2(id+2), Iter1(ib+1), sb*2); 129af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow char ie[] = {1, 2, 3}; 130af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ib), Iter1(ib+sb), Iter2(ie), Iter2(ie+3), Iter1(ib+4), sb*3); 131af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow char ig[] = {1, 2, 3, 4}; 132af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ib), Iter1(ib+sb), Iter2(ig), Iter2(ig+4), Iter1(ib+8), sb*4); 133af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow char ih[] = {0, 1, 1, 1, 1, 2, 3, 0, 1, 2, 3, 4}; 134af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow const unsigned sh = sizeof(ih)/sizeof(ih[0]); 135af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow char ii[] = {1, 1, 2}; 136af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ih), Iter1(ih+sh), Iter2(ii), Iter2(ii+3), Iter1(ih+3), sh*3); 137af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow} 138af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 139af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowint main() { 140af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow test<random_access_iterator<const int*>, random_access_iterator<const int*> >(); 141af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow test2<random_access_iterator<const char*>, random_access_iterator<const char*> >(); 142af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow} 143