Pluto/relops.h at master · bjea/Pluto · GitHub

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// $Id: relops.h,v 1.1 2015-07-02 15:52:45-07 - - $

//
// Assuming that for any given type T, there are operators
// bool operator< (const T&, const T&);
// bool operator== (const T&, const T&);
// as fundamental comparisons for type T, define the other
// six operators in terms of the basic ones.
//

#ifndef __REL_OPS_H__
#define __REL_OPS_H__

template <typename value>
inline bool operator!= (const value &left, const value &right) {
   return not (left == right);
}

template <typename value>
inline bool operator>  (const value &left, const value &right) {
   return right < left;
}

template <typename value>
inline bool operator<= (const value &left, const value &right) {
   return not (right < left);
}

template <typename value>
inline bool operator>= (const value &left, const value &right) {
   return not (left < right);
}

#endif