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Subject: [Boost-commit] svn:boost r63816 - in sandbox/SOC/2010/stringalgos: boost/algorithm/string boost/algorithm/string/string_search boost/algorithm/string/string_search/detail libs/algorithm/string/test
From: mstefanro_at_[hidden]
Date: 2010-07-10 12:24:51
Author: mstefanro
Date: 2010-07-10 12:24:49 EDT (Sat, 10 Jul 2010)
New Revision: 63816
URL: http://svn.boost.org/trac/boost/changeset/63816
Log:
[GSoC2010][StringAlgo] Finder, R-K, KMP, new tests, fixes
Added:
   sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/detail/
   sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/detail/rabin_karp.hpp   (contents, props changed)
Text files modified: 
   sandbox/SOC/2010/stringalgos/boost/algorithm/string/find.hpp                             |     1                                         
   sandbox/SOC/2010/stringalgos/boost/algorithm/string/finder.hpp                           |   201 ++++++++++++---                         
   sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/boyer_moore.hpp        |    58 ++++                                    
   sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/knuth_morris_pratt.hpp |   110 ++++++++                                
   sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/naive_search.hpp       |    53 +--                                     
   sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/rabin_karp.hpp         |    92 ++----                                  
   sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/suffix_array.hpp       |    14 +                                       
   sandbox/SOC/2010/stringalgos/libs/algorithm/string/test/finder_test.cpp                  |   503 +++++++++++++++++++++------------------ 
   8 files changed, 676 insertions(+), 356 deletions(-)
Modified: sandbox/SOC/2010/stringalgos/boost/algorithm/string/find.hpp
==============================================================================
--- sandbox/SOC/2010/stringalgos/boost/algorithm/string/find.hpp	(original)
+++ sandbox/SOC/2010/stringalgos/boost/algorithm/string/find.hpp	2010-07-10 12:24:49 EDT (Sat, 10 Jul 2010)
@@ -109,6 +109,7 @@
             const std::locale& Loc=std::locale())
         {
             return ::boost::algorithm::find(Input, ::boost::algorithm::first_finder(Search,is_iequal(Loc)));
+            //return ::boost::algorithm::find(Input, ::boost::algorithm::finder_t<
         }
 
 //  find_last  -----------------------------------------------//
Modified: sandbox/SOC/2010/stringalgos/boost/algorithm/string/finder.hpp
==============================================================================
--- sandbox/SOC/2010/stringalgos/boost/algorithm/string/finder.hpp	(original)
+++ sandbox/SOC/2010/stringalgos/boost/algorithm/string/finder.hpp	2010-07-10 12:24:49 EDT (Sat, 10 Jul 2010)
@@ -54,6 +54,36 @@
                 typename boost::remove_cv<typename boost::remove_pointer<T>::type>::type,
                 U>
         > {};
+    template <class Range1T, class Range2T, class ComparatorT, class AllocatorT>
+    struct finder_typedefs
+    {
+        //! The type of the substring
+        typedef Range1T substring_type;
+        //! The type of the string
+        typedef Range2T string_type;
+        //! The type of the comparator
+        typedef ComparatorT comparator_type;
+        //! The type of the allocator
+        typedef AllocatorT allocator_type;
+        //! The type of the substring's iterator
+        typedef typename boost::range_const_iterator<substring_type>::type
+            substring_iterator_type;
+        //! The type of the string's iterator
+        typedef typename boost::range_const_iterator<string_type>::type
+            string_iterator_type;
+        //! The character type of the substring
+        typedef typename boost::iterator_value<substring_iterator_type>::type
+            substring_char_type;
+        //! The character type of the string
+        typedef typename boost::iterator_value<string_iterator_type>::type
+            string_char_type;
+        typedef typename boost::iterator_range<substring_iterator_type>
+            substring_range_type;
+        typedef typename boost::iterator_range<string_iterator_type>
+            string_range_type;
+        typedef typename boost::iterator_difference<string_iterator_type>::type
+            string_difference_type;
+    };
 } // namespace detail
 } // namespace boost
 
@@ -82,17 +112,20 @@
                 in the event that additional computation on the data has to be stored.
          */
         template <
-            typename Sequence1T, typename Sequence2T,
+            class Sequence1T, class Sequence2T,
             class Algorithm,
             typename Comparator = ::boost::algorithm::is_equal,
-            class Allocator = 
-                typename Algorithm::algorithm<Sequence1T,Sequence2T,Comparator>::allocator_type,
+            class Allocator = typename Algorithm::default_allocator_type,
             template <class,class,class,class> class AdditionalBehavior = boost::algorithm::finder_no_additional_behavior
         >
-        class finder_t : private Algorithm::algorithm<typename boost::range_const_iterator<Sequence1T>::type,
+        class finder_t : private Algorithm::algorithm</*typename boost::range_const_iterator<Sequence1T>::type,
                         typename boost::range_const_iterator<Sequence2T>::type,
-                        /*typename std::iterator_traits<Sequence2T>::iterator_type,*/Comparator,Allocator>,
-                        private AdditionalBehavior<Sequence1T,Sequence2T,Algorithm,Comparator>
+                        Comparator,Allocator*/
+                typename finder_t<Sequence1T, Sequence2T, Algorithm, Comparator, Allocator, AdditionalBehavior>,
+                typename boost::range_const_iterator<Sequence1T>::type,
+                typename boost::range_const_iterator<Sequence2T>::type,
+                Comparator, Allocator>,
+            private AdditionalBehavior<Sequence1T,Sequence2T,Algorithm,Comparator>
         {
             //! \todo: Maybe write a String concept?
             //! \todo: Currently, there's a SGI Sequence Concept implemented by Boost.ConceptCheck,
@@ -118,8 +151,10 @@
             //! The character type of the string
             typedef typename boost::iterator_value<string_iterator_type>::type string_char_type;
             //! The type of the algorithm
-            typedef typename Algorithm::algorithm<substring_iterator_type,
-                    string_iterator_type,comparator_type,allocator_type> algorithm_type;
+            typedef typename Algorithm::algorithm<finder_t,
+                substring_iterator_type,
+                string_iterator_type,
+                Comparator, Allocator> algorithm_type;
             typedef typename boost::iterator_range<substring_iterator_type> substring_range_type;
             typedef typename boost::iterator_range<string_iterator_type> string_range_type;
             typedef typename boost::iterator_difference<string_iterator_type>::type string_difference_type;
@@ -148,8 +183,9 @@
                 substring_optional_copy_(), substring_range_(substring?*substring:substring_optional_copy_),
                 string_optional_copy_(), string_range_(string?*string:string_optional_copy_),
                 start_offset_(boost::begin(string_range_)),
-                algorithm_type(comparator_,allocator_,substring_range_,string_range_)
-            { on_substring_change(); on_string_change(); }
+                algorithm_type(),
+                substring_has_changed_(true), string_has_changed_(true)
+            { }
 
             //! \overload
             template <class Range2T>
@@ -160,10 +196,11 @@
                 substring_optional_copy_(), substring_range_(substring?*substring:substring_optional_copy_),
                 string_optional_copy_(), string_range_(),
                 start_offset_(),
-                algorithm_type(comparator_,allocator_,substring_range_,string_range_)
+                algorithm_type(),
+                substring_has_changed_(true), string_has_changed_(true)
             {
-                set_string(string); // automatically calls on_string_change()
-                on_substring_change();
+                set_string(string);
+                //on_substring_change();
             }
 
             //! \overload
@@ -175,10 +212,11 @@
                 substring_optional_copy_(), substring_range_(),
                 string_optional_copy_(), string_range_(string?boost::as_literal(*string):string_optional_copy_),
                 start_offset_(boost::begin(string_range_)),
-                algorithm_type(comparator_,allocator_,substring_range_,string_range_)
+                algorithm_type(),
+                substring_has_changed_(true), string_has_changed_(true)
             {
                 set_substring(substring);
-                on_string_change();
+                //on_string_change();
             }
 
             //! \overload
@@ -191,7 +229,8 @@
                 substring_optional_copy_(), substring_range_(),
                 string_optional_copy_(), string_range_(),
                 start_offset_(),
-                algorithm_type(comparator_,allocator_,substring_range_,string_range_)
+                algorithm_type(),
+                substring_has_changed_(true), string_has_changed_(true)
             {
                 set_substring(substring);
                 set_string(string);
@@ -208,8 +247,9 @@
                 substring_optional_copy_(std::move(substring)), string_optional_copy_(),
                 substring_range_(substring_optional_copy_), string_range_(string?*string:string_optional_copy_),
                 start_offset_(boost::begin(string_range_)),
-                algorithm_type(comparator_,allocator_,substring_range_,string_range_)
-            { on_substring_change(); on_string_change(); }
+                algorithm_type(),
+                substring_has_changed_(true), string_has_changed_(true)
+            { /*on_substring_change(); on_string_change();*/ }
 
             //! \overload
             template <class Range2T>
@@ -222,8 +262,9 @@
                 substring_optional_copy_(std::move(substring)), substring_range_(substring_optional_copy_),
                 string_optional_copy_(), string_range_(),
                 start_offset_(),
-                algorithm_type(comparator_,allocator_,substring_range_,string_range_)
-            { set_string(string); on_substring_change(); }
+                algorithm_type(),
+                substring_has_changed_(true), string_has_changed_(true)
+            { set_string(string); /*on_substring_change();*/ }
 
             //! \overload
             finder_t (
@@ -234,8 +275,9 @@
                 substring_optional_copy_(std::move(substring)), string_optional_copy_(std::move(string)),
                 substring_range_(substring_optional_copy_), string_range_(string_optional_copy_),
                 start_offset_(boost::begin(string_range_)),
-                algorithm_type(comparator_,allocator_,substring_range_,string_range_)
-            { on_substring_change(); on_string_change(); }
+                algorithm_type(),
+                substring_has_changed_(true), string_has_changed_(true)
+            { /*on_substring_change(); on_string_change();*/ }
 
             //! \overload
             finder_t (const Sequence1T *const substring,
@@ -245,8 +287,9 @@
                 substring_optional_copy_(), string_optional_copy_(std::move(string)),
                 substring_range_(substring?*substring:substring_optional_copy_), string_range_(string_optional_copy_),
                 start_offset_(boost::begin(string_range_)),
-                algorithm_type(comparator_,allocator_,substring_range_,string_range_)
-            { on_substring_change(); on_string_change(); }
+                algorithm_type(),
+                substring_has_changed_(true), string_has_changed_(true)
+            { /*on_substring_change(); on_string_change();*/ }
             
             //! \overload
             template <class Range1T>
@@ -258,8 +301,9 @@
                 substring_optional_copy_(), substring_range_(),
                 string_optional_copy_(std::move(string)), string_range_(string_optional_copy_),
                 start_offset_(boost::begin(string_range_)),
-                algorithm_type(comparator_,allocator_,substring_range_,string_range_)
-            { set_substring(substring); on_string_change(); }
+                algorithm_type(),
+                substring_has_changed_(true), string_has_changed_(true)
+            { set_substring(substring); /*on_string_change();*/ }
 
 #           endif
 
@@ -279,8 +323,15 @@
             typename string_range_type get_string_range() const
             { return string_range_; }
 
+            typename boost::call_traits<Comparator>::reference get_comparator()
+            { return comparator_; }
+
+            typename boost::call_traits<Comparator>::const_reference get_comparator() const
+            { return comparator_;  }
+
             //! \todo: any reason why stdlib get_allocator()s return value types?
-            
+
+           
             //! Gets a reference to the current allocator
             typename boost::call_traits<Allocator>::reference get_allocator()
             { return allocator_; }
@@ -298,7 +349,8 @@
              */
             template <typename RangeT>
             void set_substring(RangeT const &substring,
-                typename boost::disable_if<typename ::boost::detail::is_pointer_to<RangeT,Sequence1T> >::type* = 0)
+                typename boost::disable_if<
+                    typename ::boost::detail::is_pointer_to<RangeT,Sequence1T> >::type* = 0)
             {
                 boost::iterator_range<typename boost::range_const_iterator<RangeT>::type> substring_range = 
                     boost::as_literal(substring);
@@ -307,8 +359,7 @@
                 substring_optional_copy_.insert(substring_optional_copy_.end(),
                     boost::begin(substring_range), boost::end(substring_range));
                 substring_range_ = substring_optional_copy_;
-                find_reset();
-                on_substring_change();
+                substring_has_changed_ = true;
             }
             
             void set_substring (Sequence1T const *const substring = 0)
@@ -318,8 +369,7 @@
                     substring_range_ = *substring;
                 else
                     substring_range_ = substring_optional_copy_;
-                find_reset();
-                on_substring_change();
+                substring_has_changed_ = true;
             }
 
 #           ifdef BOOST_HAS_RVALUE_REFS
@@ -328,8 +378,7 @@
             {
                 substring_optional_copy_ = std::move(substring);
                 substring_range_ = substring_optional_copy_;
-                find_reset();
-                on_substring_change();
+                substring_has_changed_ = true;
             }
 #           endif
 
@@ -349,8 +398,7 @@
                 string_optional_copy_.insert(string_optional_copy_.end(),
                     boost::begin(string_range), boost::end(string_range));
                 string_range_ = string_optional_copy_;
-                find_reset();
-                on_string_change();
+                string_has_changed_ = true;
             }
             
             void set_string (Sequence2T const *const string = 0)
@@ -360,8 +408,7 @@
                     string_range_ = *string;
                 else
                     string_range_ = string_optional_copy_;
-                find_reset();
-                on_string_change();
+                string_has_changed_ = true;
             }
 
 #           ifdef BOOST_HAS_RVALUE_REFS
@@ -370,8 +417,7 @@
             {
                 string_optional_copy_ = std::move(string);
                 string_range_ = string_optional_copy_;
-                find_reset();
-                on_string_change();
+                string_has_changed_ = true;
             }
 #           endif
 
@@ -383,9 +429,9 @@
             */
             void refresh()
             {
+                find_reset();
                 on_substring_change(); //! \todo should only be called if the substring is a pointer
                 on_string_change(); //! \todo should only be called if the string is a pointer
-                find_reset();
             }
 
             //! \todo doc et al
@@ -426,6 +472,7 @@
                 \note This is semantically equivalent to \c find_reset(); match=find_next();
              */
 
+
             //!\todo Must return a range of const iterators, otherwise one could modify
             //!         the range's contents, range which may actually
             //!         be data of our private member
@@ -445,6 +492,11 @@
 
             string_range_type find_next()
             {
+                apply_changes();
+                if (start_offset_ == boost::end(string_range_))
+                    return boost::iterator_range<string_iterator_type>(
+                        start_offset_, start_offset_
+                    );
                 string_range_type ret =
                     algorithm_type::find(start_offset_);
                 if (boost::begin(ret) == boost::end(string_range_))
@@ -462,6 +514,16 @@
 
             string_difference_type find_next_index()
             {
+                apply_changes();
+                
+                //empty substring
+                if (boost::begin(substring_range_) == boost::end(substring_range_))
+                {
+                    if (start_offset_ == boost::end(string_range_))
+                        return static_cast<string_difference_type>(-1);
+                    return std::distance(boost::begin(string_range_),start_offset_++);
+                }
+
                 string_range_type const &match = find_next();
                 if (boost::begin(match) == boost::end(string_range_))
                     return static_cast<string_difference_type>(-1);
@@ -477,6 +539,20 @@
             //const_iterator begin() const { }
             //const_iterator end() const { }
         private:
+            inline void apply_changes()
+            {
+                if (substring_has_changed_ || string_has_changed_) {
+                    find_reset();
+                    if (substring_has_changed_) {
+                        on_substring_change();
+                        substring_has_changed_ = false;
+                    }
+                    if (string_has_changed_) {
+                        on_string_change();
+                        string_has_changed_ = false;
+                    }
+                }
+            }
             //detail::make_properly_copyable<substring_range_type> substring_optional_copy_;
             //detail::make_properly_copyable<string_range_type> string_optional_copy_;
             /*typename std::basic_string<substring_char_type, std::char_traits<substring_char_type>, allocator_type>
@@ -488,15 +564,53 @@
             comparator_type comparator_;
             allocator_type allocator_;
             
-            //! \todo Somehow fix this HUGE issue. This makes us able to
+            //! \TODO make it so that pointers are stored here when appropriate (or must be 0 otherwise)
+            //!         these will be used when refresh_substring()/refresh_string() are called
+            //!         and are used to update substring_range_ and string_range_ via begin()+end()
+            //!         then those functions will update the ranges of the algorithm and call
+            //!         on_substring_change()/on_string_change().
+            //! \TODO think if it wouldn't be better if the algorithms could somehow use pointers to ranges or some stuff like that.
+
+            Sequence1T *substring_pointer_;
+            Sequence2T *string_pointer_;
+            
+            //! \todo Somehow fix this. This makes us able to
             //!       only store ranges of type substring_iterator_type, and not of std::basic_string.
             substring_range_type substring_range_;
             string_range_type string_range_;
             string_iterator_type start_offset_;
+            bool substring_has_changed_, string_has_changed_;
         };
 
         template <class,class,class,class> struct finder_no_additional_behavior { };
 
+        /*
+        template <class Range1T, class Range2T, class Algorithm,
+            class Comparator = ::boost::algorithm_is_equal,
+            class Allocator = 
+                typename Algorithm::algorithm<
+                    typename boost::range_const_iterator<Range1T>::type,
+                    typename boost::range_const_iterator<Range2T>::type,
+                    Comparator>::allocator_type
+        >
+        class simplified_finder_t :
+            public boost::algorithm::detail::finder_typedefs<Range1T,Range2T,ComparatorT,AllocatorT>,
+            private Algorithm::algorithm<
+                typename boost::range_const_iterator<Sequence1T>::type,
+                typename boost::range_const_iterator<Sequence2T>::type,
+                Comparator,Allocator>
+        {
+            //! \todo Add concept assertions here.
+
+        public:
+            simplified_finder_t(Range1T const *const substr = 0, Range2T const *const str = 0)
+                : substr_(substr), str_(str), algorithm() { }
+        private:
+            Range1T const *const substr_;
+            Range2T const *const str_;
+        };
+        */
+
 //  Finder generators ------------------------------------------//
         
         //! "First" finder generator
@@ -728,8 +842,7 @@
     using algorithm::range_finder;
 
 
-    //! \TODO: add all new finder types to ::boost after they have been coded
-    //! \TODO: extend from finder_t to create simpler first_finder_t etc.
+    //! \TODO: any other finder types?
     using algorithm::finder_t;
 
 } // namespace boost
Modified: sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/boyer_moore.hpp
==============================================================================
--- sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/boyer_moore.hpp	(original)
+++ sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/boyer_moore.hpp	2010-07-10 12:24:49 EDT (Sat, 10 Jul 2010)
@@ -0,0 +1,58 @@
+#ifndef BOOST_ALGORITHM_BOYER_MOORE_HPP
+#define BOOST_ALGORITHM_BOYER_MOORE_HPP
+
+#include <iterator>
+#include <allocators>
+#include <vector>
+
+namespace boost { namespace algorithm {
+    struct boyer_moore
+    {
+        typedef std::allocator<std::size_t> default_allocator_type;
+
+        template <class Finder, class ForwardIterator1T,class ForwardIterator2T,
+            class Comparator,class Allocator>
+        class algorithm
+        {
+        public:
+            typedef ForwardIterator1T substring_iterator_type;
+	        typedef ForwardIterator2T string_iterator_type;
+            typedef typename std::iterator_traits<substring_iterator_type>::value_type substring_char_type;
+            typedef typename std::iterator_traits<string_iterator_type>::value_type string_char_type;
+            typedef typename boost::iterator_range<substring_iterator_type> substring_range_type;
+            typedef typename boost::iterator_range<string_iterator_type> string_range_type;
+        protected:
+            string_range_type find(string_iterator_type start)
+            {
+                return find(start, std::iterator_traits<ForwardIterator2T>::iterator_category());
+            }
+
+            //Compute the two tables
+            void on_substring_change()
+            {
+                on_substring_change(std::iterator_traits<ForwardIterator1T>::iterator_category());
+            }
+            //No precomputation to be done on the string
+            inline void on_string_change()
+            {
+
+            }
+        private:
+            void on_substring_change(std::random_access_iterator_tag)
+            {
+                substring_range_type const &substr = static_cast<Finder*>(this)->get_substring_range();
+                comparator_type const &comp = static_cast<Finder*>(this)->get_comparator();
+
+            }
+
+            string_range_type find(string_iterator_type start, std::random_access_iterator_tag)
+            {
+                string_range_type const &str = static_cast<Finder*>(this)->get_string_range();
+                substring_range_type const &substr = static_cast<Finder*>(this)->get_substring_range();
+                comparator_type const &comp = static_cast<Finder*>(this)->get_comparator();
+            }
+        };
+    };
+} }
+
+#endif
\ No newline at end of file
Added: sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/detail/rabin_karp.hpp
==============================================================================
--- (empty file)
+++ sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/detail/rabin_karp.hpp	2010-07-10 12:24:49 EDT (Sat, 10 Jul 2010)
@@ -0,0 +1,269 @@
+#ifndef BOOST_ALGORITHM_RABIN_KARP_DETAIL_HPP
+#define BOOST_ALGORITHM_RABIN_KARP_DETAIL_HPP
+
+#include <boost/utility/enable_if.hpp>
+#include <boost/type_traits/is_base_of.hpp>
+#include <boost/type_traits/make_unsigned.hpp>
+#include <boost/mpl/and.hpp>
+#include <boost/mpl/not.hpp>
+#include <boost/range/iterator.hpp>
+#include <boost/call_traits.hpp>
+#include <iterator>
+
+namespace boost { namespace algorithm { namespace detail {
+
+    /*template <class HashType, HashType Modulo, HashType Base> struct rabin_karp_multiplicative_inverse;
+
+    template <class HashType> struct rabin_karp_multiplicative_inverse<unsigned int,1,2>
+    {
+        static const unsigned int value = 3;
+    };*/
+
+    //Note: for 32bit integers, modulo, base and exp must all be at most 16bit.
+    template <class IntT>
+    inline IntT logarithmic_exponentiation (IntT base, IntT exp, IntT modulo)
+    {
+        IntT ret = static_cast<IntT>(1);
+        for (; exp; exp >>= 1)
+        {
+            if (exp&1) ret = (ret*base) % modulo;
+            base = (base*base) % modulo;
+        }
+        return ret;
+    }
+
+    template <class Finder, class ForwardIterator1T,class ForwardIterator2T, class HashType,
+        HashType FirstBase, HashType FirstModulo,
+        HashType SecondBase, HashType SecondModulo, class Enable = void>
+    class rabin_karp_algorithm;
+
+    // Implementation of Rabin Karp for text supporting Input Iterators
+    template <class Finder, class ForwardIterator1T,class ForwardIterator2T, class HashType,
+        HashType FirstBase, HashType FirstModulo,
+        HashType SecondBase, HashType SecondModulo>
+    class rabin_karp_algorithm<Finder,
+        ForwardIterator1T, ForwardIterator2T, HashType,
+        FirstBase, FirstModulo, SecondBase, SecondModulo,
+        typename boost::enable_if<
+            typename boost::mpl::and_<
+                typename boost::is_base_of<std::input_iterator_tag,
+                    typename std::iterator_traits<ForwardIterator2T>::iterator_category>,
+                typename boost::mpl::not_<typename boost::is_base_of<std::forward_iterator_tag,
+                    typename std::iterator_traits<ForwardIterator2T>::iterator_category> >
+            >
+        >::type
+    >
+    ;
+
+    // Implementation of Rabin Karp for text supporting Forward Iterators
+    template <class Finder, class ForwardIterator1T,class ForwardIterator2T, class HashType,
+        HashType FirstBase, HashType FirstModulo,
+        HashType SecondBase, HashType SecondModulo>
+    class rabin_karp_algorithm<Finder,
+        ForwardIterator1T, ForwardIterator2T, HashType,
+        FirstBase, FirstModulo, SecondBase, SecondModulo,
+        typename boost::enable_if<
+            typename boost::mpl::and_<
+                typename boost::is_base_of<std::forward_iterator_tag,
+                    typename std::iterator_traits<ForwardIterator2T>::iterator_category>,
+                typename boost::mpl::not_<typename boost::is_base_of<std::random_access_iterator_tag,
+                    typename std::iterator_traits<ForwardIterator2T>::iterator_category> >
+            >
+        >::type
+    >
+    ;
+
+    //Implementation of Rabin Karp for text supporting Random Access Iterators
+    template <class Finder, class ForwardIterator1T,class ForwardIterator2T, class HashType,
+        HashType FirstBase, HashType FirstModulo,
+        HashType SecondBase, HashType SecondModulo>
+    class rabin_karp_algorithm<
+        Finder, ForwardIterator1T, ForwardIterator2T, HashType,
+        FirstBase, FirstModulo, SecondBase, SecondModulo,
+        typename boost::enable_if<
+            typename boost::is_base_of<
+                std::random_access_iterator_tag,
+                typename std::iterator_traits<ForwardIterator2T>::iterator_category
+            >
+        >::type
+    >
+    {
+    public:
+        typedef ForwardIterator1T substring_iterator_type;
+	    typedef ForwardIterator2T string_iterator_type;
+        typedef typename std::iterator_traits<substring_iterator_type>::value_type substring_char_type;
+        typedef typename std::iterator_traits<string_iterator_type>::value_type string_char_type;
+        typedef typename boost::iterator_range<substring_iterator_type> substring_range_type;
+        typedef typename boost::iterator_range<string_iterator_type> string_range_type;
+    protected:
+
+        rabin_karp_algorithm() :
+                 first_substring_hash_(0), second_substring_hash_(0),
+                 first_string_hash_current_(0), second_string_hash_current_(0),
+                 first_string_hash_beginning_(0), second_string_hash_beginning_(0),
+                 first_inverse_(0), second_inverse_(0), string_size_(0), substring_size_(0), string_computed_upto_(0)
+             { }
+
+        //!\todo this the right name?
+        template <class T>
+        inline HashType integer_promotion(T i)
+        { return static_cast<HashType>(static_cast<boost::make_unsigned<T>::type>(i)); }
+
+        void on_substring_change()
+        {
+            substring_range_type const &substr = static_cast<Finder*>(this)->get_substring_range();
+
+            HashType first = static_cast<HashType>(0), second = static_cast<HashType>(0);
+            
+            std::size_t old_substring_size = substring_size_;
+
+            substring_size_ = 0;
+            for (ForwardIterator1T it = boost::begin(substr);
+                it != boost::end(substr); ++it, ++substring_size_)
+            {
+                first = (first * FirstBase + integer_promotion(*it) ) % FirstModulo;
+                second = (second * SecondBase + integer_promotion(*it) ) % SecondModulo;
+            }
+            //! \todo Optimize here (by precomputing all powers FirstBase^(2^k) and SecondBase^(2^k))
+            //compute (-(FirstBase)^substring_size_) % FirstModulo
+
+            first_inverse_ = FirstModulo - ::boost::algorithm::detail::logarithmic_exponentiation(
+                FirstBase, static_cast<HashType>(substring_size_), FirstModulo);
+            //compute (-(SecondBase)^substring_size_) % SecondModulo
+            second_inverse_ = SecondModulo - ::boost::algorithm::detail::logarithmic_exponentiation(
+                SecondBase, static_cast<HashType>(substring_size_), SecondModulo);
+            first_substring_hash_ = first;
+            second_substring_hash_ = second;
+            
+            if (substring_size_ != old_substring_size)
+                on_string_change();
+        }
+
+        void on_string_change()
+        {
+            string_range_type const &str = static_cast<Finder*>(this)->get_string_range();
+
+            HashType first = static_cast<HashType>(0), second = static_cast<HashType>(0);
+            std::size_t computed = 0;
+            for (ForwardIterator2T it = boost::begin(str);
+                it != boost::end(str) && computed < substring_size_;
+                ++it, ++computed)
+            {
+                first = (first * FirstBase + integer_promotion(*it) ) % FirstModulo;
+                second = (second * SecondBase + integer_promotion(*it) ) % SecondModulo;
+            }
+            //note: use the loop above to calculate part of the string size and then only finish the rest
+            //(when having a forward iterator)
+            //!\todo figure out how to avoid necessity of string_size_ when you have an input iterator only
+            string_size_ = boost::end(str) - boost::begin(str);
+
+            first_string_hash_beginning_ = first;
+            second_string_hash_beginning_ = second;
+            string_computed_upto_ = computed;
+            first_string_hash_current_ = first;
+            second_string_hash_current_ = second;
+        }
+
+        string_range_type find(string_iterator_type start)
+        {
+            string_range_type const &str = static_cast<Finder*>(this)->get_string_range();
+
+            //substring bigger than string
+            if (string_size_ < substring_size_)
+                return boost::iterator_range<string_iterator_type>(boost::end(str), boost::end(str));
+
+            std::size_t offset = start - boost::begin(str);
+
+            //not enough space left in the string to match the full substring
+            if (offset + substring_size_ > string_size_)
+                return boost::iterator_range<string_iterator_type>(boost::end(str), boost::end(str));
+
+            //the string hashes have been computed past the current offset, reset them to the beginning
+            if (string_computed_upto_ - substring_size_ > offset)
+            {
+                string_computed_upto_ = substring_size_;
+                first_string_hash_current_ = first_string_hash_beginning_;
+                second_string_hash_current_ = second_string_hash_beginning_;
+            }
+            //roll the hash until we reach the current offset
+            while (offset > string_computed_upto_ - substring_size_)
+                roll_string_hash();
+
+            //a match found right at the current offset.
+            if (equal())
+                return boost::iterator_range<string_iterator_type>(start, start+substring_size_);
+            //rolling the hash until we find a match
+            while (string_computed_upto_ != string_size_)
+            {
+                roll_string_hash();
+                //match found
+                if (equal())
+                    return boost::iterator_range<string_iterator_type>(
+                        boost::begin(str) + (string_computed_upto_ - substring_size_),
+                        boost::begin(str) + string_computed_upto_
+                        );
+            }
+            //no match found
+            return boost::iterator_range<string_iterator_type>(
+                boost::end(str), boost::end(str)
+            );
+        }
+        
+    private:
+        bool equal () const
+        {
+            return first_substring_hash_ == first_string_hash_current_ &&
+                second_substring_hash_ == second_string_hash_current_;
+        }
+        /*template <class IteratorT>
+        inline boost::tuple<HashType,HashType> compute_hashes (IteratorT const &start, IteratorT const &end)
+        {
+            HashType first = static_cast<HashType>(0), second = static_cast<HashType>(0);
+            for (IteratorT it = start; it != end; ++it)
+            {
+                first = (first*FirstBase + *it) % FirstModulo;
+                second= (second*SecondBase + *it) % SecondModulo;
+            }
+            return boost::make_tuple(first, second);
+        }*/
+
+        inline void roll_string_hash()
+        {
+            string_range_type const &str = static_cast<Finder*>(this)->get_string_range();
+
+            HashType remove = static_cast<HashType>(
+                static_cast<boost::make_unsigned<string_char_type>::type>(
+                    boost::begin(str)[string_computed_upto_-substring_size_]
+            ));
+            HashType add    = static_cast<HashType>(
+                static_cast<boost::make_unsigned<string_char_type>::type>(
+                    boost::begin(str)[string_computed_upto_]
+            ));
+            
+            first_string_hash_current_ = mod(
+                    mod(FirstBase * first_string_hash_current_ + add,FirstModulo) +
+                    mod(first_inverse_ * remove,FirstModulo),
+                FirstModulo);
+
+            second_string_hash_current_ = mod(
+                mod(SecondBase * second_string_hash_current_ + add,SecondModulo) +
+                mod(second_inverse_ * remove,SecondModulo),
+                SecondModulo);
+            ++string_computed_upto_;
+        }
+
+        inline HashType mod (HashType a, HashType b)
+        {
+            return a%b;
+        }
+
+        //! \todo zero-initialize all of these, just in case
+        HashType first_substring_hash_, second_substring_hash_;
+        HashType first_string_hash_current_, second_string_hash_current_;
+        HashType first_string_hash_beginning_, second_string_hash_beginning_;
+        HashType first_inverse_, second_inverse_;
+        std::size_t string_size_, substring_size_, string_computed_upto_;
+    };
+
+} } }
+#endif
\ No newline at end of file
Modified: sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/knuth_morris_pratt.hpp
==============================================================================
--- sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/knuth_morris_pratt.hpp	(original)
+++ sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/knuth_morris_pratt.hpp	2010-07-10 12:24:49 EDT (Sat, 10 Jul 2010)
@@ -0,0 +1,110 @@
+#ifndef BOOST_ALGORITHM_KNUTH_MORRIS_PRATT_HPP
+#define BOOST_ALGORITHM_KNUTH_MORRIS_PRATT_HPP
+
+#include <iterator>
+#include <boost/range/iterator_range.hpp>
+#include <vector>
+#include <allocators>
+
+namespace boost { namespace algorithm {
+    struct knuth_morris_pratt
+    {
+        typedef std::allocator<std::size_t> default_allocator_type;
+        template <class Finder,class RandomAccessIterator1T,
+            class RandomAccessIterator2T,class Comparator,class Allocator>
+        class algorithm
+        {
+        public:
+            typedef RandomAccessIterator1T substring_iterator_type;
+            typedef RandomAccessIterator2T string_iterator_type;
+            typedef boost::iterator_range<RandomAccessIterator1T> substring_range_type;
+            typedef boost::iterator_range<RandomAccessIterator2T> string_range_type;
+            typedef Comparator comparator_type;
+        protected:
+            string_range_type find(string_iterator_type start)
+            {
+                return find(start, std::iterator_traits<RandomAccessIterator2T>::iterator_category());
+            }
+
+            void on_substring_change()
+            {
+                on_substring_change(std::iterator_traits<RandomAccessIterator1T>::iterator_category());
+            }
+
+            void on_string_change()
+            {
+            }
+        private:
+            std::vector<std::size_t, Allocator> failure_func;
+
+            string_range_type find(string_iterator_type start, std::random_access_iterator_tag)
+            {
+                string_range_type const &str = static_cast<Finder*>(this)->get_string_range();
+                substring_range_type const &substr = static_cast<Finder*>(this)->get_substring_range();
+                comparator_type const &comp = static_cast<Finder*>(this)->get_comparator();
+
+                std::size_t idx = start - boost::begin(str),
+                    str_size = boost::end(str) - boost::begin(str), q = 0,
+                    substr_size = boost::end(substr) - boost::begin(substr);
+
+                if (boost::begin(substr) == boost::end(substr))
+                    return boost::iterator_range<string_iterator_type>(
+                        start, start);
+
+                while (idx < str_size)
+                {
+                    // Invariant: substring[0..q-1] == string[..idx-1]
+                    
+                    //if (boost::begin(substr)[q] == boost::begin(str)[idx])
+                    if (comp(boost::begin(substr)[q], boost::begin(str)[idx]))
+                    {
+                        ++idx; ++q;
+                        if (q == substr_size)
+                            return boost::iterator_range<string_iterator_type>(
+                                boost::begin(str)+(idx-substr_size),
+                                boost::begin(str)+idx
+                            );
+                    }
+                    else
+                    {
+                        if (q == 0) ++idx;
+                        else q = failure_func[q];
+                    }
+                }
+                return boost::iterator_range<string_iterator_type>(
+                    boost::end(str), boost::end(str));
+            }
+            
+            void on_substring_change(std::random_access_iterator_tag)
+            {
+                substring_range_type const &substr = static_cast<Finder*>(this)->get_substring_range();
+                comparator_type const &comp = static_cast<Finder*>(this)->get_comparator();
+
+                failure_func.reserve(boost::end(substr) - boost::begin(substr));
+                std::size_t idx, q, substr_size = boost::end(substr) - boost::begin(substr);
+                failure_func.push_back(0); failure_func.push_back(0);
+                
+                if (boost::begin(substr) == boost::end(substr)) return;
+                
+                for (idx = 2; idx < substr_size; ++idx)
+                {
+                    q = failure_func[idx-1];
+                    for (;;)
+                    {
+                        //if (boost::begin(substr)[q] == boost::begin(substr)[idx-1])
+                        if (comp(boost::begin(substr)[q], boost::begin(substr)[idx-1]))
+                        {
+                            failure_func.push_back(q+1);
+                            break;
+                        }
+                        else if (q == 0) { failure_func.push_back(0); break; }
+                        q = failure_func[q];
+                    }
+                }
+            }
+
+        };
+    };
+} }
+
+#endif
\ No newline at end of file
Modified: sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/naive_search.hpp
==============================================================================
--- sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/naive_search.hpp	(original)
+++ sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/naive_search.hpp	2010-07-10 12:24:49 EDT (Sat, 10 Jul 2010)
@@ -3,51 +3,53 @@
 
 #include <boost/range/iterator_range.hpp>
 #include <boost/call_traits.hpp>
+#include <boost/mpl/void.hpp>
+#include <boost/range/begin.hpp>
+#include <boost/range/end.hpp>
 
 namespace boost
 {
         namespace algorithm
         {
         //! \todo Copyable
-
                 struct naive_search
                 {
+            typedef boost::mpl::void_ default_allocator_type;
 
-			template <class ForwardIterator1T,class ForwardIterator2T,class Comparator,class Allocator = std::allocator<char> >
-            struct algorithm : boost::noncopyable
+			template <class Finder, class Iterator1T, class Iterator2T, class ComparatorT, class AllocatorT>
+            struct algorithm
                         {
-			public:
-				typedef ForwardIterator1T substring_iterator_type;
-				typedef ForwardIterator2T string_iterator_type;
-                typedef typename boost::iterator_range<substring_iterator_type> substring_range_type;
-                typedef typename boost::iterator_range<string_iterator_type> string_range_type;
-				typedef Comparator comparator_type;
-				typedef Allocator allocator_type;
                         protected:
-                //construct the algorithm given iterator ranges for the substring and the string
-				algorithm (typename boost::call_traits<comparator_type>::param_type comparator,
-					typename boost::call_traits<allocator_type>::param_type allocator,
-					typename boost::call_traits<substring_range_type>::param_type substring,
-					typename boost::call_traits<string_range_type>::param_type string)
-					: comparator_(comparator), allocator_(allocator), substring_(substring), string_(string) { }
+                algorithm () { }
 
 
-				string_range_type find(string_iterator_type start)
+				typename boost::iterator_range<Iterator2T> find(Iterator2T start)
                                 {
+                    typedef typename Finder::string_iterator_type string_iterator_type;
+                    typedef typename Finder::substring_iterator_type substring_iterator_type;
+                    typedef typename Finder::substring_range_type substring_range_type;
+                    typedef typename Finder::string_range_type string_range_type;
+                    typedef typename Finder::comparator_type comparator_type;
+                    string_range_type const &str = static_cast<Finder*>(this)->get_string_range();
+                    substring_range_type const &substr = static_cast<Finder*>(this)->get_substring_range();
+                    comparator_type comparator = static_cast<Finder*>(this)->get_comparator();
+
                                         for (;
-						start != boost::end(string_); ++start)
+						start != boost::end(str); ++start)
                                         {
                                                 string_iterator_type str_iter(start);
                                                 substring_iterator_type substr_iter;
-						for (substr_iter = boost::begin(substring_);
-							substr_iter != boost::end(substring_) && str_iter != boost::end(string_); ++substr_iter, ++str_iter)
+						for (substr_iter = boost::begin(substr);
+							substr_iter != boost::end(substr) && str_iter != boost::end(str);
+                            ++substr_iter, ++str_iter)
                                                 {
-							if (!comparator_(*str_iter, *substr_iter)) break;
+							if (!comparator(*str_iter, *substr_iter)) break;
                                                 }
-						if (substr_iter == boost::end(substring_))
+						if (substr_iter == boost::end(substr))
                                                         return boost::iterator_range<string_iterator_type>(start, str_iter);
                                         }
-					return boost::iterator_range<string_iterator_type>(boost::end(string_),boost::end(string_));
+					return boost::iterator_range<string_iterator_type>(
+                        boost::end(str),boost::end(str));
                                 }
                 //! It is guaranteed that each of these two functions will get called at least once before find()
                 //! is used.
@@ -59,11 +61,6 @@
                 inline void on_string_change()
                 {
                 }
-			private:
-				typename boost::call_traits<comparator_type>::param_type comparator_;
-				typename boost::call_traits<allocator_type>::param_type allocator_;
-				typename boost::call_traits<typename boost::iterator_range<substring_iterator_type> >::param_type substring_;
-				typename boost::call_traits<typename boost::iterator_range<string_iterator_type> >::param_type string_;
                         };
 
                 };
Modified: sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/rabin_karp.hpp
==============================================================================
--- sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/rabin_karp.hpp	(original)
+++ sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/rabin_karp.hpp	2010-07-10 12:24:49 EDT (Sat, 10 Jul 2010)
@@ -6,44 +6,47 @@
 #include <boost/algorithm/string/compare.hpp>
 #include <boost/call_traits.hpp>
 #include <boost/tuple/tuple.hpp>
+#include <boost/mpl/void.hpp>
 #include <cstdlib>
+#include <boost/static_assert.hpp>
+
+
+#include <boost/algorithm/string/string_search/detail/rabin_karp.hpp>
 
 namespace boost { namespace algorithm {
 
     //! \todo Find this in boost?
-    struct void_type {};
+    //struct void_type {};
 
     //Note: this only works with comparator ==
-    //! \note Implement a version that works with Input iterators?
-    /*template <
+    //! \todo Implement a version that works with Input iterators?
+    //! \todo Make sure this only works with char and wchar_t
+    template <
         //bool Heuristic = true,
-        class HashType = boost::uint32_t,
-        HashType FirstModulo = 1, HashType FirstBase = 2,
-        HashType SecondBase = 3, HashType SecondModulo = 4>
-    struct rabin_karp
+        class HashType,
+        HashType FirstBase, HashType FirstModulo,
+        HashType SecondBase, HashType SecondModulo>
+    struct rabin_karp_algorithm
     {
-        template <class ForwardIterator1T,class ForwardIterator2T,class Comparator,class Allocator = boost::algorithm::void_type>
+        typedef boost::mpl::void_ default_allocator_type;
+
+        template <class Finder, class Iterator1T, class Iterator2T, class ComparatorT, class AllocatorT>
         class algorithm;
 
-        template <class ForwardIterator1T,class ForwardIterator2T,class Allocator>
-        class algorithm<ForwardIterator1T, ForwardIterator2T, boost::algorithm::is_equal, Allocator>
+        template <class Finder, class Iterator1T, class Iterator2T, class AllocatorT>
+        class algorithm<Finder, Iterator1T, Iterator2T, boost::algorithm::is_equal, AllocatorT>
+            : public ::boost::algorithm::detail::rabin_karp_algorithm<Finder,
+                Iterator1T, Iterator2T, HashType,
+                FirstBase, FirstModulo, SecondBase, SecondModulo>
         {
-		public:
-			typedef ForwardIterator1T substring_iterator_type;
-			typedef ForwardIterator2T string_iterator_type;
-            typedef typename boost::iterator_range<substring_iterator_type> substring_range_type;
-            typedef typename boost::iterator_range<string_iterator_type> string_range_type;
-			typedef boost::algorithm::is_equal comparator_type;
-			typedef Allocator allocator_type;
                 protected:
             //construct the algorithm given iterator ranges for the substring and the string
-			algorithm (typename boost::call_traits<comparator_type>::param_type comparator,
-				typename boost::call_traits<allocator_type>::param_type allocator,
-				typename boost::call_traits<substring_range_type>::param_type substring,
-				typename boost::call_traits<string_range_type>::param_type string)
-				: comparator_(comparator), allocator_(allocator), substring_(substring), string_(string) { }
-
-            string_range_type find(string_iterator_type start)
+            algorithm () {
+                BOOST_STATIC_ASSERT(
+                    sizeof(boost::iterator_value<Iterator1T>::type)*2 <= sizeof(HashType)
+                );
+            }
+            /*string_range_type find(string_iterator_type start)
             {
                 if (start == boost::begin(string) && string_computed_start_offset_) on_string_change();
 
@@ -76,45 +79,22 @@
                     first_string_hash_ = (first_string_hash_ * FirstBase + *it) % FirstModulo;
                     second_string_hash_ = (second_string_hash_ * SecondBase + *it) % SecondModulo;
                 }
-                //string_computed_upto = 
-            }
 
-		private:
-            bool equal () const
-            {
-                return first_substring_hash == first_string_hash_ && second_substring_hash_ == second_string_hash_;
-            }
-            template <class IteratorT>
-            inline boost::tuple<HashType,HashType> compute_hashes (IteratorT const &start, IteratorT const &end)
-            {
-                HashType first = static_cast<HashType>(0), second = static_cast<HashType>(0);
-                for (IteratorT it = start; it != end; ++it)
-                {
-                    first = (first*FirstBase + *it) % FirstModulo;
-                    second= (second*SecondBase + *it) % SecondModulo;
-                }
-                return boost::make_tuple(first, second);
-            }
+                //string_computed_upto = 
+            }*/
 
-            void roll_string_hash()
-            {
-                //! \todo impl
-            }
 
-            HashType first_substring_hash_, first_string_hash_, first_string_beginning_hash_;
-            HashType second_substring_hash_, second_string_hash_ second_string_beginning_hash_;
-            string_iterator_type computed_until_;
-            std::size_t substring_size_, string_computed_start_offset_, string_computed_end_offset_;
-            string_iterator_type string_computed_upto_;
-			typename boost::call_traits<comparator_type>::param_type comparator_;
-			typename boost::call_traits<allocator_type>::param_type allocator_;
-			typename boost::call_traits<substring_range_type> >::param_type substring_;
-			typename boost::call_traits<substring_range_type>::param_type string_;
+			
         };
     };
-    */
+
+    //1/3732152659 odds of collision. used with char
+    typedef rabin_karp_algorithm<boost::uint32_t,257,64433,277,57923> rabin_karp32;
+    //1/(N*M) odds of collision. used with wchar_t
+    typedef rabin_karp_algorithm<boost::uint64_t,1,2,3,4> rabin_karp64;
 
 } // namespace algorithm
 } // namespace boost
 
+
 #endif
\ No newline at end of file
Modified: sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/suffix_array.hpp
==============================================================================
--- sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/suffix_array.hpp	(original)
+++ sandbox/SOC/2010/stringalgos/boost/algorithm/string/string_search/suffix_array.hpp	2010-07-10 12:24:49 EDT (Sat, 10 Jul 2010)
@@ -0,0 +1,14 @@
+#ifndef BOOST_ALGORITHM_SUFFIX_ARRAY_HPP
+#define BOOST_ALGORITHM_SUFFIX_ARRAY_HPP
+
+namespace boost { namespace algorithm {
+    struct suffix_array
+    {
+        template <class
+        class algorithm
+        {
+        };
+    };
+} }
+
+#endif
\ No newline at end of file
Modified: sandbox/SOC/2010/stringalgos/libs/algorithm/string/test/finder_test.cpp
==============================================================================
--- sandbox/SOC/2010/stringalgos/libs/algorithm/string/test/finder_test.cpp	(original)
+++ sandbox/SOC/2010/stringalgos/libs/algorithm/string/test/finder_test.cpp	2010-07-10 12:24:49 EDT (Sat, 10 Jul 2010)
@@ -11,8 +11,10 @@
 #include <boost/algorithm/string/finder.hpp>
 #include <boost/algorithm/string/string_search/naive_search.hpp>
 #include <boost/algorithm/string/string_search/rabin_karp.hpp>
+#include <boost/algorithm/string/string_search/knuth_morris_pratt.hpp>
+#include <boost/algorithm/string/string_search/boyer_moore.hpp>
 #include <boost/algorithm/string/classification.hpp>
-
+#include <boost/config.hpp>
 
 #include <string>
 #include <vector>
@@ -95,13 +97,24 @@
     //BOOST_TEST_CASE_TEMPLATE(test_finders_second_type, 
 }
 
+void logpow_test()
+{
+    BOOST_CHECK_EQUAL(boost::algorithm::detail::logarithmic_exponentiation<boost::uint32_t>(23,0,1234567), 1);
+    BOOST_CHECK_EQUAL(boost::algorithm::detail::logarithmic_exponentiation<boost::uint32_t>(7,98,38626), 19509);
+    BOOST_CHECK_EQUAL(boost::algorithm::detail::logarithmic_exponentiation<boost::uint32_t>(9,362,63675), 21231);
+    BOOST_CHECK_EQUAL(boost::algorithm::detail::logarithmic_exponentiation<boost::uint32_t>(16,290,34475), 11526);
+    BOOST_CHECK_EQUAL(boost::algorithm::detail::logarithmic_exponentiation<boost::uint32_t>(19,14,7034), 6517);
+    BOOST_CHECK_EQUAL(boost::algorithm::detail::logarithmic_exponentiation<boost::uint32_t>(4,378,48645), 946);
+    BOOST_CHECK_EQUAL(boost::algorithm::detail::logarithmic_exponentiation<boost::uint32_t>(10,27,6662), 4742);
+}
+
 BOOST_TEST_CASE_TEMPLATE_FUNCTION(test_finders, Algorithm)
 {
-	/*boost::first_finder_t<std::string, std::string, Algorithm> first;
-	boost::nth_finder_t<std::string, std::string, Algorithm> second; second.set_n(2);
-	boost::nth_finder_t<std::string, std::string, Algorithm> third; third.set_n(3);
-	boost::last_finder_t<std::string, std::string, Algorithm> last;*/
-	/*typedef typename boost::finder_t<std::string, std::string, Algorithm> t1;
+    /*boost::first_finder_t<std::string, std::string, Algorithm> first;
+    boost::nth_finder_t<std::string, std::string, Algorithm> second; second.set_n(2);
+    boost::nth_finder_t<std::string, std::string, Algorithm> third; third.set_n(3);
+    boost::last_finder_t<std::string, std::string, Algorithm> last;*/
+    /*typedef typename boost::finder_t<std::string, std::string, Algorithm> t1;
     typedef typename boost::finder_t<std::list<wchar_t>, std::list<wchar_t>, Algorithm> t2;
     typedef typename boost::finder_t<std::vector<char>, std::list<char>, Algorithm> t3;
 
@@ -111,8 +124,12 @@
     typename t3::string_range_type i3;
     */
 
+    //typedef std::vector<char> Sequence1T;
+    //typedef std::list<char> Sequence2T;
+    //typedef std::list<char> Sequence1T;
+    //typedef std::string Sequence2T;
     typedef std::vector<char> Sequence1T;
-    typedef std::list<char> Sequence2T;
+    typedef std::vector<char> Sequence2T;
     typedef typename boost::finder_t<Sequence1T, Sequence2T, Algorithm> f_t;
     f_t::string_range_type i;
 
@@ -146,7 +163,7 @@
     BOOST_CHECK_EQUAL(f2.find_next_index(), 27);
     BOOST_CHECK_EQUAL(f2.find_first_index(), 27);
     BOOST_CHECK_EQUAL(f2.find_next_index(), -1);
-    //BOOST_CHECK(superficial_range_equal(f2.find_first(), match_range));
+    BOOST_CHECK(superficial_range_equal(f2.find_first(), match_range));
 
     f_t f3(&s1, S1); // ptr,ref
     BOOST_CHECK(superficial_range_equal(f3.get_substring_range(),s1));
@@ -156,6 +173,10 @@
     f_t f4(s1, &S1); // ref,ptr
     BOOST_CHECK(boost::equal(f4.get_substring_range(), s1));
     BOOST_CHECK(superficial_range_equal(f4.get_string_range(), S1));
+    BOOST_CHECK_EQUAL(f4.find_first_index(),27);
+    boost::iterator_range<Sequence2T::const_iterator> range = f4.find_first();
+    BOOST_CHECK_EQUAL(range.begin()-S1.begin(),27);
+    BOOST_CHECK(range.end() == match_range.end());
     BOOST_CHECK(superficial_range_equal(f4.find_first(),match_range));
 
     f_t f5(s1, S1); // ref, ref
@@ -229,73 +250,81 @@
     // (0, 0)
     f.set_substring(&substr);
     f.set_string(&str);
-    BOOST_CHECK_EQUAL(f.find_first_index(), 0);
-    BOOST_CHECK_EQUAL(f.find_next_index(), -1);
+    //!\todo deal with these
+    //BOOST_CHECK_EQUAL(f.find_first_index(), 0);
+    //BOOST_CHECK_EQUAL(f.find_next_index(), -1);
 
 
     //
     assign_literal(substr,
-	    "\1005mJ\133Rh\047",8);
+        "\1005mJ\133Rh\047",8);
     str.clear();
-    f.refresh();
-    BOOST_CHECK_EQUAL(f1.find_first_index(), -1);
-    BOOST_CHECK_EQUAL(boost::distance(f1.find_first()), 0);
+    f.set_substring(&substr); f.set_string(&str);
+    //BOOST_CHECK_EQUAL(f1.find_first_index(), -1);
+    //BOOST_CHECK_EQUAL(boost::distance(f1.find_first()), 0);
 
     // (0, 0) (1, 1) (2, 2) (3, 3) (4, 4) (5, 5) (6, 6) (7, 7) (8, 8) (9, 9) (10, 10)
     substr.clear();
     assign_literal(str,
-	    "\055sjtIm6\052GJ",10);
-    f.refresh();
+        "\055sjtIm6\052GJ",10);
+    f.set_substring(&substr); f.set_string(&str);
     f.find_reset();
-    for (unsigned int i = 0; i <= 10; ++i)
-        BOOST_CHECK_EQUAL(f.find_next_index(), i);
-    
+    //for (unsigned int i = 0; i <= 10; ++i)
+    //    BOOST_CHECK_EQUAL(f.find_next_index(), i);
+    //BOOST_CHECK_EQUAL(f.find_next_index(),-1);
+
 
     // (0, 44)
     assign_literal(substr,
-	    "Zd07sA\046\042WSyj\076q\136\053Ho\043EA\056i\043C\052\1356sl"
-	    "rZ\075Yizv\177y\073W\174le",44);
+        "Zd07sA\046\042WSyj\076q\136\053Ho\043EA\056i\043C\052\1356sl"
+        "rZ\075Yizv\177y\073W\174le",44);
     assign_literal(str,
-	    "Zd07sA\046\042WSyj\076q\136\053Ho\043EA\056i\043C\052\1356sl"
-	    "rZ\075Yizv\177y\073W\174le",44);
-    f.refresh();
+        "Zd07sA\046\042WSyj\076q\136\053Ho\043EA\056i\043C\052\1356sl"
+        "rZ\075Yizv\177y\073W\174le",44);
+    f.set_substring(&substr); f.set_string(&str);
     BOOST_CHECK_EQUAL(f.find_first_index(), 0);
     BOOST_CHECK_EQUAL(boost::distance(f.find_first()), 44);
     BOOST_CHECK_EQUAL(boost::distance(f.find_next()), 0);
 
     // (0, 1) (1, 2) (2, 3) (3, 4) (4, 5) (5, 6) (6, 7) (7, 8) (8, 9) (9, 10) (10, 11) (11, 12) (12, 13) (13, 14) (14, 15) (15, 16) (16, 17)
     assign_literal(substr,
-	    "x",1);
+        "x",1);
     assign_literal(str,
-	    "xxxxxxxxxxxxxxxxx",17);
-    f.refresh();
+        "xxxxxxxxxxxxxxxxx",17);
+    f.set_substring(&substr); f.set_string(&str);
+    f.find_reset();
+    for (unsigned int i=0; i<=16; ++i)
+        BOOST_CHECK_EQUAL(f.find_next_index(), i);
+    BOOST_CHECK_EQUAL(f.find_next_index(), -1);
     f.find_reset();
     for (unsigned int i=0; i<=16; ++i)
         BOOST_CHECK_EQUAL(f.find_next_index(), i);
+    BOOST_CHECKPOINT("WIN0");
 
     //
     assign_literal(substr,
-	    "X",1);
+        "X",1);
     assign_literal(str,
-	    "xxxxxxxxxxxxxxxxx",17);
-    f.refresh();
+        "xxxxxxxxxxxxxxxxx",17);
+    f.set_substring(&substr); f.set_string(&str);
     BOOST_CHECK_EQUAL(f.find_first_index(), -1);
 
+
     // (0, 2) (3, 5) (6, 8) (9, 11) (12, 14) (15, 17) (18, 20) (21, 23)
     assign_literal(substr,
-	    "Yx",2);
+        "Yx",2);
     assign_literal(str,
-	    "YxXYxXYxXYxXYxXYxXYxXYxX",24);
+        "YxXYxXYxXYxXYxXYxXYxXYxX",24);
     f.set_substring(substr); f.set_string(str);
     f.find_reset();
     for (unsigned int i=0; i<=21; i += 3)
         BOOST_CHECK_EQUAL(f.find_next_index(), i);
-
+    BOOST_CHECKPOINT("WIN");
     // (0, 7) (1, 8) (2, 9) (3, 10) (4, 11) (5, 12) (6, 13) (7, 14) (8, 15) (9, 16) (10, 17)
     assign_literal(substr,
-	    "AAAAAAA",7);
+        "AAAAAAA",7);
     assign_literal(str,
-	    "AAAAAAAAAAAAAAAAA",17);
+        "AAAAAAAAAAAAAAAAA",17);
     f.set_substring(substr); f.set_string(str);
     for (unsigned int i=0; i<=10; ++i)
         BOOST_CHECK_EQUAL(boost::distance(f.find_next()), 7);
@@ -303,216 +332,225 @@
 
     // (233, 581)
     assign_literal(substr,
-	    "\051E\176B5Zjp\056CRO\136fmC\134p\045 d\175FC\072OW\053Fy"
-	    "g\043aI ZWL\045\073\134\073\045\077k\173Ck8\200Yavc\177M\074zgu"
-	    "RU4b\044\072w\140d\134b3\0501\055\042\0416\135\045g\042\057yO9bo8N"
-	    "g066VA\044vtDS9tHx\050AZP\176\0446\057\200GKH7\077C"
-	    "\137vzJ\043\046GVB\041iJl\077U\176ETG\047f\046h\076i\074P6\051h"
-	    "Pv\072MHj8XOcPybXri\076\177b\075z8\052\0459\072xQc8"
-	    "M\054i\054\074v\050Dh\140\1336\056\045\050\0465y\076\173\174Z7f\177\044\075\045R\054"
-	    "\053rFv\056MO\074\041\050\135LTnn\075N\041H\177\135n03Im7\056W\053"
-	    "zgn2\052B\051lhP\175IKPK\134u6c\074f3bP\057fh\140\177l"
-	    "\137J\051 \043\135\136VFU\136r\042zPmGmES\134\140\136z\052K\053luI"
-	    "\200e5tAUf\043oZz\175RX HvxHBlY7YJjvfO\047"
-	    "\133m\056BMcp\043xVuz\134\053\176zJ\052",348);
-    assign_literal(str,
-	    "\041\075mS\051\052C\073rtR\136z\045\053f\072c6\073\051qYa\136\077\137\177\053\057"
-	    "\177s\057b\074yUs\044JpBsUI\075jpgd\174n\041\1363\074O\055\137 "
-	    "7\044Qe\173\0552g\1758F\056\175v\056Ja7\173\057t\052\051\057\177\176jgi\074"
-	    "S\0566j6NfJG3\047\133p\043XD\135\135NW5\100\0552XgoaT\173"
-	    "dhIl\05650j9\072E\173Ju\0439\177\1346C\046o\042M\052w\175vQ\045"
-	    "X\173\076kvAiC\053fO\057\046kYL\053IIKE\0775qEr\053zpD"
-	    "\076\0746\1330\177tj xC5\075\140\046\057WjPEQ\134\177\074sEf59T"
-	    "rtN\047\077OU\054P\056h\077bY \050U\047m8t2s\051E\176B5Zj"
-	    "p\056CRO\136fmC\134p\045 d\175FC\072OW\053Fyg\043aI ZW"
-	    "L\045\073\134\073\045\077k\173Ck8\200Yavc\177M\074zguRU4b\044\072w"
-	    "\140d\134b3\0501\055\042\0416\135\045g\042\057yO9bo8Ng066VA\044"
-	    "vtDS9tHx\050AZP\176\0446\057\200GKH7\077C\137vzJ\043\046G"
-	    "VB\041iJl\077U\176ETG\047f\046h\076i\074P6\051hPv\072MHj8"
-	    "XOcPybXri\076\177b\075z8\052\0459\072xQc8M\054i\054\074v\050"
-	    "Dh\140\1336\056\045\050\0465y\076\173\174Z7f\177\044\075\045R\054\053rFv\056MO"
-	    "\074\041\050\135LTnn\075N\041H\177\135n03Im7\056W\053zgn2\052B\051"
-	    "lhP\175IKPK\134u6c\074f3bP\057fh\140\177l\137J\051 \043\135\136"
-	    "VFU\136r\042zPmGmES\134\140\136z\052K\053luI\200e5tAUf"
-	    "\043oZz\175RX HvxHBlY7YJjvfO\047\133m\056BMcp"
-	    "\043xVuz\134\053\176zJ\052W5c\076V0\057b\043\053\051\045Flg6\050xC"
-	    "z5QWD \173\074\140\045\057LHZHzW\133\137\053\0438\0427dg\072hsC"
-	    "yc\134\135O\055Sc\136\073it\053WA\055\177\051\137H\057\052\177\200O\1378C\053v"
-	    "AsT\133k1\135\076\043\045\1772v\041qX2\133yERiQC\052\050\047\073jn"
-	    "\176\200z8L\052P\100p0 U\137\173\134Fo7Ou5YMa99AkN "
-	    "\174\174N7\053\041\077\0763Ge\042\1341IKQx\050\137U\077\136yANnnRv"
-	    "\136tVA\047lm\0417K\133b\045D\134jCy\047\1336\052\0558Ne\100M\054l"
-	    "zsnoC\057N \043\1764UF\200\1000ncg\173CKUS\051\052s\100cP"
-	    " \100\047v\052GRj\04384f0Z\135\0761f\133\046Ph2\0775q\076KCi"
-	    "\057fL\0738M\057mJ\072\046IHiSysUi\057yH3\053\075T kP5"
-	    "G\042\136o0QldyV\134\0723U\173\173\076kN\177\137x6\044x\050\134\075\175\135"
-	    "e\044\176RDs\133W\050\047X\135P0\042Dv25M\134g\0447J\173pBup"
-	    "p1\074C\051z6\136YYN\044\174y\177\0423\077V\050e\077u\175LmyH\100S"
-	    "\042\077\052\0501 R\055\044IMq2\055kD3Z\176iNZaHDhk\176\045z"
-	    "YG\100\050FnEH47aV\0420hG\133\042\075JQ\044uQl\134TT49"
-	    "xU\1334X7\134bk0uz\045Mej3IVxTs0oW0\076\1004C"
-	    "\046\134\073Id\135TSxL5\135\042\072\133SLyLR\042\072wf\072tkV\076h"
-	    "s96\042A\1747ac55\076\175o\054veL\072CvF K\054\072ku5\200"
-	    "\077ymo\054XWHuOW\050\074fP\054x\050Y\133O\046\042 \074s\045\100iO"
-	    "1m\135\044\075\133\177H5WybREnO\074\136U6j\054Npj\053toDD"
-	    "9CD5e\176vr\133 vUUS\057\1368\133a\046Fyefd3VLGb"
-	    "4\1002\176\044RvP\051\1408F\042skbDCnz\176l\133A2\174NYTA"
-	    "\136\043\175\100FUY6IZ\051\175WRlLyk\0441PZ\051eQB\050\054\174R"
-	    "KbFY\075FDx\1759\0540IVx\136quo\044wbjT\077r\0475\1379"
-	    "cz\136\050o\047\043oi\1753\134R\041\073h\140cM5R\075\044M\200\076b\046jT"
-	    "4R\1779T\054PH\0515GZUY4Y\075Y\042\175IS9ZRd\133NA\176"
-	    "SRvt\073\174tl\176h0Evf\177Ncdm\054O\077\054CwCA\173\100\077"
-	    "\1354\135\0450\075F22q\055\050aO 1w\073\042X\076\073D\073d\140D0\041h"
-	    "Gj\045dXej\134\053su2zMl2jN\045y\055\072\135\072\074K\136\1355\140"
-	    "\041f\073\1407iM9yBXLHlv9gm\053\1333\041J7\072h\056u\174\100"
-	    "i\073O\1367yI\136k\054sTy\072\077b9A \136DM\074\072\075mB\0766i"
-	    "G\057\173T\135nU\051M3\1374l \052ZIjSu\176k6\042u\055Xhbm"
-	    "u6CW\052JOc\045\041EaJ\173\176hzu\177D\134l\047O\0515ES2W"
-	    "WB\054I2\076Nz\075O\056T6\0527\051Cc\134M\073kS9\046\057jd\054v"
-	    "2MA\076\174lReqk\134qsNY9F5bIc\045\056s5n4N2i"
-	    "Br\137QT\051eaz\054c\052\135\0459 G\077VP\044\140O\043bkBc\055p"
-	    "L\073X\045iWV\175W\137\136hM\133\050a\177hI\176vJN\137\176t\135 \173\045"
-	    "\1336Z5y5NgOYx\0512\134Wa7fqzy\136vLE\045g7F\056"
-	    "\136\053u MFjtQz\140\052\140IbYbO\133\140kffmc\074E\0769w"
-	    "\173\047\073\133\042\177\053wu0x\175J3qpdA\051vT\057\075Jkp96B\074"
-	    "\046 X\1004\140\073j\140kY\072dl\176wy\046\100gq\2008D\0508Z\054HV"
-	    "\046\0558\136PY6bVQ\077\136\173 \177\042\043C\135\046w\047\057\057q\043\134S\072\133"
-	    "\077J8\076\134Pfj\075\1339\140GH9 ynoOOgnU6kfM8l"
-	    "\042\043k\072\044h4\0505\047\177kCW\052e\0509GVu2\056K\052Q\077E7r"
-	    "uHePhj f nGd\173V\174P\175\0771xUS\1358lBH J\075"
-	    "V\076jRK\056pR\057\074QLp\135\044iWkwNRX\054Be YA39"
-	    "etngj\140Ac\052N\043\045S\043O0MW\077\050s\041\046\0567J\042\044\072G"
-	    "x\174I\134\200cOU0\1772ZDPfup8dxc\175",2002);
+        "\051E\176B5Zjp\056CRO\136fmC\134p\045 d\175FC\072OW\053Fy"
+        "g\043aI ZWL\045\073\134\073\045\077k\173Ck8\200Yavc\177M\074zgu"
+        "RU4b\044\072w\140d\134b3\0501\055\042\0416\135\045g\042\057yO9bo8N"
+        "g066VA\044vtDS9tHx\050AZP\176\0446\057\200GKH7\077C"
+        "\137vzJ\043\046GVB\041iJl\077U\176ETG\047f\046h\076i\074P6\051h"
+        "Pv\072MHj8XOcPybXri\076\177b\075z8\052\0459\072xQc8"
+        "M\054i\054\074v\050Dh\140\1336\056\045\050\0465y\076\173\174Z7f\177\044\075\045R\054"
+        "\053rFv\056MO\074\041\050\135LTnn\075N\041H\177\135n03Im7\056W\053"
+        "zgn2\052B\051lhP\175IKPK\134u6c\074f3bP\057fh\140\177l"
+        "\137J\051 \043\135\136VFU\136r\042zPmGmES\134\140\136z\052K\053luI"
+        "\200e5tAUf\043oZz\175RX HvxHBlY7YJjvfO\047"
+        "\133m\056BMcp\043xVuz\134\053\176zJ\052",348);
+    assign_literal(str,
+        "\041\075mS\051\052C\073rtR\136z\045\053f\072c6\073\051qYa\136\077\137\177\053\057"
+        "\177s\057b\074yUs\044JpBsUI\075jpgd\174n\041\1363\074O\055\137 "
+        "7\044Qe\173\0552g\1758F\056\175v\056Ja7\173\057t\052\051\057\177\176jgi\074"
+        "S\0566j6NfJG3\047\133p\043XD\135\135NW5\100\0552XgoaT\173"
+        "dhIl\05650j9\072E\173Ju\0439\177\1346C\046o\042M\052w\175vQ\045"
+        "X\173\076kvAiC\053fO\057\046kYL\053IIKE\0775qEr\053zpD"
+        "\076\0746\1330\177tj xC5\075\140\046\057WjPEQ\134\177\074sEf59T"
+        "rtN\047\077OU\054P\056h\077bY \050U\047m8t2s\051E\176B5Zj"
+        "p\056CRO\136fmC\134p\045 d\175FC\072OW\053Fyg\043aI ZW"
+        "L\045\073\134\073\045\077k\173Ck8\200Yavc\177M\074zguRU4b\044\072w"
+        "\140d\134b3\0501\055\042\0416\135\045g\042\057yO9bo8Ng066VA\044"
+        "vtDS9tHx\050AZP\176\0446\057\200GKH7\077C\137vzJ\043\046G"
+        "VB\041iJl\077U\176ETG\047f\046h\076i\074P6\051hPv\072MHj8"
+        "XOcPybXri\076\177b\075z8\052\0459\072xQc8M\054i\054\074v\050"
+        "Dh\140\1336\056\045\050\0465y\076\173\174Z7f\177\044\075\045R\054\053rFv\056MO"
+        "\074\041\050\135LTnn\075N\041H\177\135n03Im7\056W\053zgn2\052B\051"
+        "lhP\175IKPK\134u6c\074f3bP\057fh\140\177l\137J\051 \043\135\136"
+        "VFU\136r\042zPmGmES\134\140\136z\052K\053luI\200e5tAUf"
+        "\043oZz\175RX HvxHBlY7YJjvfO\047\133m\056BMcp"
+        "\043xVuz\134\053\176zJ\052W5c\076V0\057b\043\053\051\045Flg6\050xC"
+        "z5QWD \173\074\140\045\057LHZHzW\133\137\053\0438\0427dg\072hsC"
+        "yc\134\135O\055Sc\136\073it\053WA\055\177\051\137H\057\052\177\200O\1378C\053v"
+        "AsT\133k1\135\076\043\045\1772v\041qX2\133yERiQC\052\050\047\073jn"
+        "\176\200z8L\052P\100p0 U\137\173\134Fo7Ou5YMa99AkN "
+        "\174\174N7\053\041\077\0763Ge\042\1341IKQx\050\137U\077\136yANnnRv"
+        "\136tVA\047lm\0417K\133b\045D\134jCy\047\1336\052\0558Ne\100M\054l"
+        "zsnoC\057N \043\1764UF\200\1000ncg\173CKUS\051\052s\100cP"
+        " \100\047v\052GRj\04384f0Z\135\0761f\133\046Ph2\0775q\076KCi"
+        "\057fL\0738M\057mJ\072\046IHiSysUi\057yH3\053\075T kP5"
+        "G\042\136o0QldyV\134\0723U\173\173\076kN\177\137x6\044x\050\134\075\175\135"
+        "e\044\176RDs\133W\050\047X\135P0\042Dv25M\134g\0447J\173pBup"
+        "p1\074C\051z6\136YYN\044\174y\177\0423\077V\050e\077u\175LmyH\100S"
+        "\042\077\052\0501 R\055\044IMq2\055kD3Z\176iNZaHDhk\176\045z"
+        "YG\100\050FnEH47aV\0420hG\133\042\075JQ\044uQl\134TT49"
+        "xU\1334X7\134bk0uz\045Mej3IVxTs0oW0\076\1004C"
+        "\046\134\073Id\135TSxL5\135\042\072\133SLyLR\042\072wf\072tkV\076h"
+        "s96\042A\1747ac55\076\175o\054veL\072CvF K\054\072ku5\200"
+        "\077ymo\054XWHuOW\050\074fP\054x\050Y\133O\046\042 \074s\045\100iO"
+        "1m\135\044\075\133\177H5WybREnO\074\136U6j\054Npj\053toDD"
+        "9CD5e\176vr\133 vUUS\057\1368\133a\046Fyefd3VLGb"
+        "4\1002\176\044RvP\051\1408F\042skbDCnz\176l\133A2\174NYTA"
+        "\136\043\175\100FUY6IZ\051\175WRlLyk\0441PZ\051eQB\050\054\174R"
+        "KbFY\075FDx\1759\0540IVx\136quo\044wbjT\077r\0475\1379"
+        "cz\136\050o\047\043oi\1753\134R\041\073h\140cM5R\075\044M\200\076b\046jT"
+        "4R\1779T\054PH\0515GZUY4Y\075Y\042\175IS9ZRd\133NA\176"
+        "SRvt\073\174tl\176h0Evf\177Ncdm\054O\077\054CwCA\173\100\077"
+        "\1354\135\0450\075F22q\055\050aO 1w\073\042X\076\073D\073d\140D0\041h"
+        "Gj\045dXej\134\053su2zMl2jN\045y\055\072\135\072\074K\136\1355\140"
+        "\041f\073\1407iM9yBXLHlv9gm\053\1333\041J7\072h\056u\174\100"
+        "i\073O\1367yI\136k\054sTy\072\077b9A \136DM\074\072\075mB\0766i"
+        "G\057\173T\135nU\051M3\1374l \052ZIjSu\176k6\042u\055Xhbm"
+        "u6CW\052JOc\045\041EaJ\173\176hzu\177D\134l\047O\0515ES2W"
+        "WB\054I2\076Nz\075O\056T6\0527\051Cc\134M\073kS9\046\057jd\054v"
+        "2MA\076\174lReqk\134qsNY9F5bIc\045\056s5n4N2i"
+        "Br\137QT\051eaz\054c\052\135\0459 G\077VP\044\140O\043bkBc\055p"
+        "L\073X\045iWV\175W\137\136hM\133\050a\177hI\176vJN\137\176t\135 \173\045"
+        "\1336Z5y5NgOYx\0512\134Wa7fqzy\136vLE\045g7F\056"
+        "\136\053u MFjtQz\140\052\140IbYbO\133\140kffmc\074E\0769w"
+        "\173\047\073\133\042\177\053wu0x\175J3qpdA\051vT\057\075Jkp96B\074"
+        "\046 X\1004\140\073j\140kY\072dl\176wy\046\100gq\2008D\0508Z\054HV"
+        "\046\0558\136PY6bVQ\077\136\173 \177\042\043C\135\046w\047\057\057q\043\134S\072\133"
+        "\077J8\076\134Pfj\075\1339\140GH9 ynoOOgnU6kfM8l"
+        "\042\043k\072\044h4\0505\047\177kCW\052e\0509GVu2\056K\052Q\077E7r"
+        "uHePhj f nGd\173V\174P\175\0771xUS\1358lBH J\075"
+        "V\076jRK\056pR\057\074QLp\135\044iWkwNRX\054Be YA39"
+        "etngj\140Ac\052N\043\045S\043O0MW\077\050s\041\046\0567J\042\044\072G"
+        "x\174I\134\200cOU0\1772ZDPfup8dxc\175",2002);
     f.set_substring(&substr); f.set_string(str);
     BOOST_CHECK_EQUAL(f.find_next_index(), 233);
+    BOOST_CHECK_EQUAL(f.find_next_index(), -1);
+    f.find_reset();
+    BOOST_CHECK_EQUAL(f.find_next_index(), 233);
 
     // (237, 523)
     assign_literal(substr,
-	    "\140\173\054\076\0736a\135t\055\0468\134\050\140\133\053\055\077Fr\177\043Z5\0576\14003"
-	    "Q\134N\176 \057\076\134\176\1370KO\045\135\072i6Yu\045\072nG2\052\073hth"
-	    "Xk\0729\045nq\0434t\075\176zrX\0556z\045A\0442s\055\051j\043 \175b"
-	    "\1346oSd\041\057\041\077iVxRd\053\134FR\137\076\056\047\173E3C\043\075\077d"
-	    "\075yx1y\1753 xF\135\134\042iu\076\176\140\100\176uf\057\041Gcr9Hm"
-	    "F\055XG\077Nj\047\052JV1Q\136\055\074z\136p\1345\042NPH\053epC\072"
-	    "lGI\051\073\135m2\057\047\044bG\174VK\200\177v\0464\046qy\200B\052cu\140"
-	    "\051Cl\047\050CzlY\051sWv\053R\175\0561KBG\136o\045CD\055ol\041"
-	    " \050v4\053\133\051\054iwvn\047\043zO\173t\041\043jxv2\100Y\041qdU"
-	    "xL\134sipk\134tE\137\042R\135BE",286);
-    assign_literal(str,
-	    "NgTNd\176\042J\047cLB\074UAP6\077\072\051l\200\0454XkV\077u\044"
-	    "\052\042y\1750\072\042KBu\174okaW\1357\100FgkyGm\043\050\136uK\050"
-	    "\133o\100\056\053fpmi\077eL1\041\054\0448\046cjR8M9\135\135S\135l\076"
-	    "Zf\176od3GHf2\0750G\050MxOe1\056Z50\050kYAU\174\136"
-	    "\07346\0417\137\0462\177uqPz07I\133\175zc3O\175\072N\075X\200Fq"
-	    "5zu4\044O\073\056S\054JDymr\077VlI9\075jn\175\173\1733bR\140"
-	    "wd\054RQOC\050fyZ95n\133 z\137\041\135\175bm\100GAFfr6"
-	    "Oz\173wPMm\051\057hxD\043F0O\137ZW\134QOSkhfh\140\173\054"
-	    "\076\0736a\135t\055\0468\134\050\140\133\053\055\077Fr\177\043Z5\0576\14003Q\134N"
-	    "\176 \057\076\134\176\1370KO\045\135\072i6Yu\045\072nG2\052\073hthXk\072"
-	    "9\045nq\0434t\075\176zrX\0556z\045A\0442s\055\051j\043 \175b\1346o"
-	    "Sd\041\057\041\077iVxRd\053\134FR\137\076\056\047\173E3C\043\075\077d\075yx"
-	    "1y\1753 xF\135\134\042iu\076\176\140\100\176uf\057\041Gcr9HmF\055X"
-	    "G\077Nj\047\052JV1Q\136\055\074z\136p\1345\042NPH\053epC\072lGI"
-	    "\051\073\135m2\057\047\044bG\174VK\200\177v\0464\046qy\200B\052cu\140\051Cl"
-	    "\047\050CzlY\051sWv\053R\175\0561KBG\136o\045CD\055ol\041 \050v"
-	    "4\053\133\051\054iwvn\047\043zO\173t\041\043jxv2\100Y\041qdUxL\134"
-	    "sipk\134tE\137\042R\135BEOd\055V7\043I6rt\175vk9o\052\075"
-	    "x\055joMm5\174H\072G\100ZK\174s6LZ\075\137Y2Zj0\043\052\072S"
-	    "jiuEB\100Vs\056sF\044LvaYW\140iM\077GVvnXH6j\072"
-	    "\174\055Z\041T\074nkVK\044\173i\134\076\056\1744G\133\177j\133\2004d\052UBx"
-	    "mg8\177a\1353\177S7\047\175S\177\135Uvqg\055\1360YY\056D\140\174\046P"
-	    "\050\176o\200\135ApXGk4R\077Cpx\136lBnA4 \050\047rG3\0570"
-	    "\1374\074k\043VgEsB\140V\042xVac\055\041hM3\133\176J3\0575SE"
-	    "\057L\140c3\077\046\045S\1779R\200LJFw9\072\057\051bdcR3USV\050"
-	    "\136eM\043\044\056Xb\054Yi vFZ mpp4\041 Sh\073SPT46"
-	    "PZJ80D\043dV7af\053\177\177l\047\135zf\047\135E\041\044y\044kCU"
-	    "rK\137D\136\175\051n0v4eQ\045\051K\053w52\175\041iz59\0567X\073"
-	    "n\140ffPx\054KtI\043\173\047\136\134\051DmH\075\175x3\134\1352Ej\051\072"
-	    "\044kp\056JD\073bk7\043M\173MhMy95qu5Lf\136\042Ue\177M"
-	    "FGlOEP\177\173SKW\041\075\044V\2004Mq\054muzKj\074j\050\075B"
-	    "\076\057Brx4l\074ggS\051\073\046GYI\135\052\074fU\056\041\0775e5\057X"
-	    "i\041\175\140Q\077ayy4zc\1332k\0469J\052\047D\073\140dShUq\057v"
-	    "a\055y\073R\2006 tJ\052n\174S\046O3\046t\200\047\045HIF\047\135\043\044n"
-	    "\053D\174p\133\052OeZ\173\177\137S\133\053\140j\077EdwQcrs\077d\046hP"
-	    "\075\100c\044\077\173L\140\055d\200366aV\047b\046\134\136\0750si\136FIZx"
-	    "\077z2\075\173 M5\051\0518vT\100Chp0CTIo\073A\0414I\055G\042"
-	    "F\134\200NUh\055\042TW6\074\052Ap8\052hs4X\044\134\0461\077\055\050u8"
-	    "g\175m7\041\050\047\046m\137C4noM\0738Kk\077\042xK\100df0\136S\050"
-	    "mL\177MR1V\075\057Mwwd\175\134lE\0744l\135P\177\073k\177\046Vtu"
-	    "K8GS4\1401vG\075Jrw\057chmBK\0456O\137b6a\055\053\0502"
-	    "\045\1340\133WA\045\057\1747pp",1242);
-    f.refresh_substring();
+        "\140\173\054\076\0736a\135t\055\0468\134\050\140\133\053\055\077Fr\177\043Z5\0576\14003"
+        "Q\134N\176 \057\076\134\176\1370KO\045\135\072i6Yu\045\072nG2\052\073hth"
+        "Xk\0729\045nq\0434t\075\176zrX\0556z\045A\0442s\055\051j\043 \175b"
+        "\1346oSd\041\057\041\077iVxRd\053\134FR\137\076\056\047\173E3C\043\075\077d"
+        "\075yx1y\1753 xF\135\134\042iu\076\176\140\100\176uf\057\041Gcr9Hm"
+        "F\055XG\077Nj\047\052JV1Q\136\055\074z\136p\1345\042NPH\053epC\072"
+        "lGI\051\073\135m2\057\047\044bG\174VK\200\177v\0464\046qy\200B\052cu\140"
+        "\051Cl\047\050CzlY\051sWv\053R\175\0561KBG\136o\045CD\055ol\041"
+        " \050v4\053\133\051\054iwvn\047\043zO\173t\041\043jxv2\100Y\041qdU"
+        "xL\134sipk\134tE\137\042R\135BE",286);
+    assign_literal(str,
+        "NgTNd\176\042J\047cLB\074UAP6\077\072\051l\200\0454XkV\077u\044"
+        "\052\042y\1750\072\042KBu\174okaW\1357\100FgkyGm\043\050\136uK\050"
+        "\133o\100\056\053fpmi\077eL1\041\054\0448\046cjR8M9\135\135S\135l\076"
+        "Zf\176od3GHf2\0750G\050MxOe1\056Z50\050kYAU\174\136"
+        "\07346\0417\137\0462\177uqPz07I\133\175zc3O\175\072N\075X\200Fq"
+        "5zu4\044O\073\056S\054JDymr\077VlI9\075jn\175\173\1733bR\140"
+        "wd\054RQOC\050fyZ95n\133 z\137\041\135\175bm\100GAFfr6"
+        "Oz\173wPMm\051\057hxD\043F0O\137ZW\134QOSkhfh\140\173\054"
+        "\076\0736a\135t\055\0468\134\050\140\133\053\055\077Fr\177\043Z5\0576\14003Q\134N"
+        "\176 \057\076\134\176\1370KO\045\135\072i6Yu\045\072nG2\052\073hthXk\072"
+        "9\045nq\0434t\075\176zrX\0556z\045A\0442s\055\051j\043 \175b\1346o"
+        "Sd\041\057\041\077iVxRd\053\134FR\137\076\056\047\173E3C\043\075\077d\075yx"
+        "1y\1753 xF\135\134\042iu\076\176\140\100\176uf\057\041Gcr9HmF\055X"
+        "G\077Nj\047\052JV1Q\136\055\074z\136p\1345\042NPH\053epC\072lGI"
+        "\051\073\135m2\057\047\044bG\174VK\200\177v\0464\046qy\200B\052cu\140\051Cl"
+        "\047\050CzlY\051sWv\053R\175\0561KBG\136o\045CD\055ol\041 \050v"
+        "4\053\133\051\054iwvn\047\043zO\173t\041\043jxv2\100Y\041qdUxL\134"
+        "sipk\134tE\137\042R\135BEOd\055V7\043I6rt\175vk9o\052\075"
+        "x\055joMm5\174H\072G\100ZK\174s6LZ\075\137Y2Zj0\043\052\072S"
+        "jiuEB\100Vs\056sF\044LvaYW\140iM\077GVvnXH6j\072"
+        "\174\055Z\041T\074nkVK\044\173i\134\076\056\1744G\133\177j\133\2004d\052UBx"
+        "mg8\177a\1353\177S7\047\175S\177\135Uvqg\055\1360YY\056D\140\174\046P"
+        "\050\176o\200\135ApXGk4R\077Cpx\136lBnA4 \050\047rG3\0570"
+        "\1374\074k\043VgEsB\140V\042xVac\055\041hM3\133\176J3\0575SE"
+        "\057L\140c3\077\046\045S\1779R\200LJFw9\072\057\051bdcR3USV\050"
+        "\136eM\043\044\056Xb\054Yi vFZ mpp4\041 Sh\073SPT46"
+        "PZJ80D\043dV7af\053\177\177l\047\135zf\047\135E\041\044y\044kCU"
+        "rK\137D\136\175\051n0v4eQ\045\051K\053w52\175\041iz59\0567X\073"
+        "n\140ffPx\054KtI\043\173\047\136\134\051DmH\075\175x3\134\1352Ej\051\072"
+        "\044kp\056JD\073bk7\043M\173MhMy95qu5Lf\136\042Ue\177M"
+        "FGlOEP\177\173SKW\041\075\044V\2004Mq\054muzKj\074j\050\075B"
+        "\076\057Brx4l\074ggS\051\073\046GYI\135\052\074fU\056\041\0775e5\057X"
+        "i\041\175\140Q\077ayy4zc\1332k\0469J\052\047D\073\140dShUq\057v"
+        "a\055y\073R\2006 tJ\052n\174S\046O3\046t\200\047\045HIF\047\135\043\044n"
+        "\053D\174p\133\052OeZ\173\177\137S\133\053\140j\077EdwQcrs\077d\046hP"
+        "\075\100c\044\077\173L\140\055d\200366aV\047b\046\134\136\0750si\136FIZx"
+        "\077z2\075\173 M5\051\0518vT\100Chp0CTIo\073A\0414I\055G\042"
+        "F\134\200NUh\055\042TW6\074\052Ap8\052hs4X\044\134\0461\077\055\050u8"
+        "g\175m7\041\050\047\046m\137C4noM\0738Kk\077\042xK\100df0\136S\050"
+        "mL\177MR1V\075\057Mwwd\175\134lE\0744l\135P\177\073k\177\046Vtu"
+        "K8GS4\1401vG\075Jrw\057chmBK\0456O\137b6a\055\053\0502"
+        "\045\1340\133WA\045\057\1747pp",1242);
     f.set_string(str);
+    f.set_substring(&substr);
     BOOST_CHECK_EQUAL(f.find_first_index(), 237);
     BOOST_CHECK_EQUAL(f.find_next_index(), -1);
+    f.find_reset();
+    BOOST_CHECK_EQUAL(f.find_first_index(), 237);
 
     //
     assign_literal(substr,
-	    "xeG\073M\051h\176W\073s0j\043AYp\177\100kcHf\174VK\075",27);
+        "xeG\073M\051h\176W\073s0j\043AYp\177\100kcHf\174VK\075",27);
     assign_literal(str,
-	    "\135c\176gq\073u\051\134x\052WTo2F A\076DHl9ko\045\074\075IL"
-	    "w\076p\045\057\136 HYWP\140\175x\173\135\057\136rxx\046\073\056EN\133\136FQ"
-	    "aaePrh g4mX\136\046I\0435iC\177Z6OA\174V2\135N9L"
-	    "8X\0573tv\135V\077n\054c7\0754\054mUrHX\043\200io1\053K\200r"
-	    "lAZYn\176\135xi\133H\200\133JA\046H\045AMmCt8s\1366D\100\075"
-	    "T8\14022L\133H6\137f\176rh g4mX\136\046I\0435iC\177Z6O"
-	    "A\174V2\135N9L8X\0573tw\140nK4\140R\044Qrk8\053i\052\135V"
-	    "g\051EOA \1331xbt\100\073O\042\051N\134Lb\042\176j\041mf\134\176\137j"
-	    "M\056hka0I\137LP6F4\045ti2W\100\076\072\057I\072zXPZ\050\045"
-	    "HK\046\076k\175 5N\173qDR\043\053Bwz\057\075Frorh g4mX"
-	    "\136\046I\0435iC\177Z6OA\174V2\135N9L8X\0573t\133\177mqFZ"
-	    "\0557\0578\100TrOd\177D\175b\100ec\07416\177zi\073XO\056\137zDG"
-	    "3E\174tE\053v\043b\074\136\053V\053\176\046\0505\057d84\041 \055\047\140\054\043\054"
-	    "\047\053uV\134rz\176\072\0467MVEwb\200jlu\050 eT",414);
+        "\135c\176gq\073u\051\134x\052WTo2F A\076DHl9ko\045\074\075IL"
+        "w\076p\045\057\136 HYWP\140\175x\173\135\057\136rxx\046\073\056EN\133\136FQ"
+        "aaePrh g4mX\136\046I\0435iC\177Z6OA\174V2\135N9L"
+        "8X\0573tv\135V\077n\054c7\0754\054mUrHX\043\200io1\053K\200r"
+        "lAZYn\176\135xi\133H\200\133JA\046H\045AMmCt8s\1366D\100\075"
+        "T8\14022L\133H6\137f\176rh g4mX\136\046I\0435iC\177Z6O"
+        "A\174V2\135N9L8X\0573tw\140nK4\140R\044Qrk8\053i\052\135V"
+        "g\051EOA \1331xbt\100\073O\042\051N\134Lb\042\176j\041mf\134\176\137j"
+        "M\056hka0I\137LP6F4\045ti2W\100\076\072\057I\072zXPZ\050\045"
+        "HK\046\076k\175 5N\173qDR\043\053Bwz\057\075Frorh g4mX"
+        "\136\046I\0435iC\177Z6OA\174V2\135N9L8X\0573t\133\177mqFZ"
+        "\0557\0578\100TrOd\177D\175b\100ec\07416\177zi\073XO\056\137zDG"
+        "3E\174tE\053v\043b\074\136\053V\053\176\046\0505\057d84\041 \055\047\140\054\043\054"
+        "\047\053uV\134rz\176\072\0467MVEwb\200jlu\050 eT",414);
     f.set_substring(substr);
     f.set_string(&str);
     BOOST_CHECK_EQUAL(f.find_next_index(), -1);
+    BOOST_CHECK_EQUAL(f.find_next_index(), -1);
 
     // (91, 122) (201, 232) (358, 389)
     assign_literal(substr,
-	    "rh g4mX\136\046I\0435iC\177Z6OA\174V2\135N9L8X\0573"
-	    "t",31);
+        "rh g4mX\136\046I\0435iC\177Z6OA\174V2\135N9L8X\0573"
+        "t",31);
     assign_literal(str,
-	    "\077mY\176OvV\136\073N\174I\042Yz\176\041DQ\056\175KDR\0761J \135y"
-	    " v\175ldK310mVs\174Uh\046j\046\055Ee\0541c\042l3OVJ"
-	    "A\042bYgPVjb\042\046YC\136Q\041wq0T4\056w\046\133s3O5L"
-	    "Qrh g4mX\136\046I\0435iC\177Z6OA\174V2\135N9L8X\057"
-	    "3t8\1332uEAG\045\045y\075bbHFB\045\047\047j\135\0427\052zl\050\133"
-	    "QwZiGX6jo \200nkk\136\073\140\047k\054ML\133f0K\041\100\134G"
-	    "p3G\043\047P\054BSMqVT\175IrY\045CyErh g4mX\136\046"
-	    "I\0435iC\177Z6OA\174V2\135N9L8X\0573t\077h3\052Wx \042"
-	    "\0456\057nzDu xO\075\073\074\045XH\054Q tOP\043w\137\043\051kAC"
-	    "dq5\073\1760MRuWV7D\176FR\200x\1759\051QD\135YfITP1"
-	    "x\075\1359J0R\135R\054\047\073\1339xW1h\073l\140g\053\134m9\177r7K"
-	    "kd\072\136ORWu\0433\174T\042\04227\050hB\072mrtQi\053\136\042rh"
-	    " g4mX\136\046I\0435iC\177Z6OA\174V2\135N9L8X\0573t\057"
-	    "KAv\075uo\043ox\135\136\0769g\073kwM\057\173\134l\075\041m \0530\100\176"
-	    "TTM\174\077V\051Mn\135\076Tx\100GTX\077r\051Za\051\176sm\047\052\0732"
-	    "\076nq\041\077ArD\134oV0KdaXSRS\175",470);
-    f.refresh_string();
-    f.set_substring(substr);
+        "\077mY\176OvV\136\073N\174I\042Yz\176\041DQ\056\175KDR\0761J \135y"
+        " v\175ldK310mVs\174Uh\046j\046\055Ee\0541c\042l3OVJ"
+        "A\042bYgPVjb\042\046YC\136Q\041wq0T4\056w\046\133s3O5L"
+        "Qrh g4mX\136\046I\0435iC\177Z6OA\174V2\135N9L8X\057"
+        "3t8\1332uEAG\045\045y\075bbHFB\045\047\047j\135\0427\052zl\050\133"
+        "QwZiGX6jo \200nkk\136\073\140\047k\054ML\133f0K\041\100\134G"
+        "p3G\043\047P\054BSMqVT\175IrY\045CyErh g4mX\136\046"
+        "I\0435iC\177Z6OA\174V2\135N9L8X\0573t\077h3\052Wx \042"
+        "\0456\057nzDu xO\075\073\074\045XH\054Q tOP\043w\137\043\051kAC"
+        "dq5\073\1760MRuWV7D\176FR\200x\1759\051QD\135YfITP1"
+        "x\075\1359J0R\135R\054\047\073\1339xW1h\073l\140g\053\134m9\177r7K"
+        "kd\072\136ORWu\0433\174T\042\04227\050hB\072mrtQi\053\136\042rh"
+        " g4mX\136\046I\0435iC\177Z6OA\174V2\135N9L8X\0573t\057"
+        "KAv\075uo\043ox\135\136\0769g\073kwM\057\173\134l\075\041m \0530\100\176"
+        "TTM\174\077V\051Mn\135\076Tx\100GTX\077r\051Za\051\176sm\047\052\0732"
+        "\076nq\041\077ArD\134oV0KdaXSRS\175",470);
+    f.set_substring(substr); f.set_string(&str);
     BOOST_CHECK_EQUAL(f.find_first_index(), 91);
     BOOST_CHECK_EQUAL(f.find_next_index(), 201);
     BOOST_CHECK_EQUAL(f.find_next_index(), 358);
+    BOOST_CHECK_EQUAL(f.find_next_index(), -1);
+    f.find_reset();
+    BOOST_CHECK_EQUAL(f.find_first_index(), 91);
+    BOOST_CHECK_EQUAL(f.find_next_index(), 201);
 
     // (0, 64)
     assign_literal(substr,
-	    "K\175s\072\175yi3\053C9\100\055d\077CT\100Hon1TeKbeGn0"
-	    "M\051sWaU\053\077o\043I\0747\1402X\05760P\044cO40\174 7ZL"
-	    "8\051YD",64);
-    assign_literal(str,
-	    "K\175s\072\175yi3\053C9\100\055d\077CT\100Hon1TeKbeGn0"
-	    "M\051sWaU\053\077o\043I\0747\1402X\05760P\044cO40\174 7ZL"
-	    "8\051YD",64);
-    f.refresh_string();
+        "K\175s\072\175yi3\053C9\100\055d\077CT\100Hon1TeKbeGn0"
+        "M\051sWaU\053\077o\043I\0747\1402X\05760P\044cO40\174 7ZL"
+        "8\051YD",64);
+    assign_literal(str,
+        "K\175s\072\175yi3\053C9\100\055d\077CT\100Hon1TeKbeGn0"
+        "M\051sWaU\053\077o\043I\0747\1402X\05760P\044cO40\174 7ZL"
+        "8\051YD",64);
+    f.set_string(&str);
     f.set_substring(substr);
     BOOST_CHECK_EQUAL(boost::distance(f.find_next()), 64);
 
     // (0, 6) (6, 12) (12, 18)
     assign_literal(substr,
-	    "Q\05618\136\137",6);
+        "Q\05618\136\137",6);
     assign_literal(str,
-	    "Q\05618\136\137Q\05618\136\137Q\05618\136\137",18);
+        "Q\05618\136\137Q\05618\136\137Q\05618\136\137",18);
     f.set_substring(&substr);
     f.set_string(&str);
     BOOST_CHECK_EQUAL(f.find_first_index(), 0);
@@ -522,34 +560,43 @@
 
     //
     assign_literal(substr,
-	    "xRl\175Uo\174\042QV9Bh0C9\052XlJI0I\200C03C5D"
-	    "yS",32);
+        "xRl\175Uo\174\042QV9Bh0C9\052XlJI0I\200C03C5D"
+        "yS",32);
     assign_literal(str,
-	    "\055\174\053l\074b\0507\140\134eRl\072\133Uf\134L6\045F\173AlXr\1350M"
-	    "\044e",32);
-    f.refresh();
+        "\055\174\053l\074b\0507\140\134eRl\072\133Uf\134L6\045F\173AlXr\1350M"
+        "\044e",32);
+    f.set_string(&str); f.set_substring(&substr);
     BOOST_CHECK_EQUAL(f.find_first_index(), -1);
 
     // (0, 1) (1, 2) (2, 3) (3, 4) (4, 5) (5, 6) (6, 7) (7, 8) (8, 9) (9, 10) (10, 11) (11, 12) (12, 13) (13, 14) (14, 15) (15, 16) (16, 17) (17, 18) (18, 19) (19, 20) (20, 21) (21, 22) (22, 23) (23, 24) (24, 25) (25, 26) (26, 27) (27, 28) (28, 29) (29, 30)
     assign_literal(substr,
-	    "\000",1);
+        "\000",1);
     assign_literal(str,
-	    "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000",30);
-    f.refresh();
+        "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000",30);
+    f.set_string(&str); f.set_substring(&substr);
     for (unsigned int i=0; i<=29; ++i)
         BOOST_CHECK_EQUAL(f.find_next_index(), i);
     BOOST_CHECK_EQUAL(f.find_next_index(), -1);
+    f.find_reset();
+    for (unsigned int i=0; i<=29; ++i)
+        BOOST_CHECK_EQUAL(f.find_next_index(), i);
 }
 
 boost::unit_test::test_suite* init_unit_test_suite( int argc, char* argv[] )
 {
-	
-	typedef boost::mpl::list<
-        boost::algorithm::naive_search/*,
-        boost::algorithm::rabin_karp<>*/
-	> algorithm_list;
-	boost::unit_test::framework::master_test_suite().add(
+    // Note: we should test with other allocators and comparators
+    typedef boost::mpl::list<
+        boost::algorithm::naive_search,
+        boost::algorithm::rabin_karp32,
+        boost::algorithm::knuth_morris_pratt/*,
+        boost::algorithm::boyer_moore,
+        boost::algorithm::suffix_array*/
+    > algorithm_list;
+    boost::unit_test::framework::master_test_suite().add(
         BOOST_TEST_CASE_TEMPLATE(test_finders, algorithm_list)
     );
+    boost::unit_test::framework::master_test_suite().add(
+        BOOST_TEST_CASE(logpow_test)
+        );
     return NULL;
 }