// 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_