.. _program_listing_file_src_comparisons.cpp:

Program Listing for File comparisons.cpp
========================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_comparisons.cpp>` (``src/comparisons.cpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   /* This file is part of brille.
   
   Copyright © 2020 Greg Tucker <greg.tucker@stfc.ac.uk>
   
   brille is free software: you can redistribute it and/or modify it under the
   terms of the GNU Affero General Public License as published by the Free
   Software Foundation, either version 3 of the License, or (at your option)
   any later version.
   
   brille is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   or FITNESS FOR A PARTICULAR PURPOSE.
   See the GNU Affero General Public License for more details.
   
   You should have received a copy of the GNU Affero General Public License
   along with brille. If not, see <https://www.gnu.org/licenses/>.            */
   
   #include <string>
   #include "comparisons.hpp"
   
   template<>
   std::string brille::to_string(const cmp& c){
     using namespace brille;
     std::string repr;
     switch(c)
     {
     case cmp::lt:    repr = "<";     break;
     case cmp::gt:    repr = ">";     break;
     case cmp::le:    repr = "<=";    break;
     case cmp::ge:    repr = ">=";    break;
     case cmp::eq:    repr = "==";    break;
     case cmp::nle:   repr = "!<=";   break;
     case cmp::nge:   repr = "!>=";   break;
     case cmp::neq:   repr = "!=";    break;
     case cmp::le_ge: repr = "<=|>="; break;
     default: repr = "unknown comparator";
     }
     return repr;
   }
   
   template<>
   std::string brille::to_string(const brille::ops& o){
     using namespace brille;
     std::string repr;
     switch(o)
     {
     case ops::plus:  repr = "+";  break;
     case ops::minus: repr = "-";  break;
     case ops::times: repr = "*";  break;
     case ops::rdiv:  repr = "/";  break;
     case ops::ldiv:  repr = "\\"; break;
     default: repr = "unknown operator";
     }
     return repr;
   }