dlib C++ Library - sequence_compare_1.h

// Copyright (C) 2003 Davis E. King (davis@dlib.net)
// License: Boost Software License See LICENSE.txt for the full license.
#ifndef DLIB_SEQUENCE_COMPARe_1_
#define DLIB_SEQUENCE_COMPARe_1_
#include "sequence_compare_abstract.h"
#include "../algs.h"
namespace dlib
{
 template <
 typename seq_base 
 >
 class sequence_compare_1 : public seq_base
 {
 typedef typename seq_base::type T;
 public:
 bool operator< (
 const sequence_compare_1& rhs
 ) const;
 bool operator== (
 const sequence_compare_1& rhs
 ) const;
 };
 template <
 typename seq_base
 >
 inline void swap (
 sequence_compare_1<seq_base>& a, 
 sequence_compare_1<seq_base>& b 
 ) { a.swap(b); } 
// ----------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------
// member function definitions
// ----------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------
 template <
 typename seq_base
 >
 bool sequence_compare_1<seq_base>::
 operator< (
 const sequence_compare_1<seq_base>& rhs
 ) const
 {
 unsigned int length;
 if (this->size() < rhs.size())
 length = this->size();
 else
 length = rhs.size();
 for (unsigned long i = 0; i < length; ++i)
 {
 if ((*this)[i] < rhs[i])
 return true;
 else if ( !((*this)[i] == rhs[i]) )
 return false;
 }
 // they are equal so far
 if (this->size() < rhs.size())
 return true;
 else
 return false;
 }
// ----------------------------------------------------------------------------------------
 template <
 typename seq_base
 >
 bool sequence_compare_1<seq_base>::
 operator== (
 const sequence_compare_1<seq_base>& rhs
 ) const
 {
 if (this->size() != rhs.size())
 return false;
 for (unsigned long i = 0; i < this->size(); ++i)
 {
 if (!((*this)[i] == rhs[i]))
 return false;
 }
 return true;
 }
// ----------------------------------------------------------------------------------------
}
#endif // DLIB_SEQUENCE_COMPARe_1_