src/theory/arith/arith_heuristic_pivot_rule.cpp

   1 /*********************                                                        */
   2 /*! \file arith_heuristic_pivot_rule.cpp
   3  ** \verbatim
   4  ** Original author: Morgan Deters
   5  ** Major contributors: none
   6  ** Minor contributors (to current version): none
   7  ** This file is part of the CVC4 project.
   8  ** Copyright (c) 2009-2013  New York University and The University of Iowa
   9  ** See the file COPYING in the top-level source directory for licensing
  10  ** information.\endverbatim
  11  **
  12  ** \brief [[ Add one-line brief description here ]]
  13  **
  14  ** [[ Add lengthier description here ]]
  15  ** \todo document this file
  16  **/
  17
  18 #include "theory/arith/arith_heuristic_pivot_rule.h"
  19
  20 namespace CVC4 {
  21
  22 std::ostream& operator<<(std::ostream& out, ErrorSelectionRule rule) {
  23   switch(rule) {
  24   case MINIMUM_AMOUNT:
  25     out << "MINIMUM_AMOUNT";
  26     break;
  27   case VAR_ORDER:
  28     out << "VAR_ORDER";
  29     break;
  30   case MAXIMUM_AMOUNT:
  31     out << "MAXIMUM_AMOUNT";
  32     break;
  33   default:
  34     out << "ArithHeuristicPivotRule!UNKNOWN";
  35   }
  36
  37   return out;
  38 }
  39
  40 }/* CVC4 namespace */
  41