ginac/flags.h

   1 /** @file flags.h
   2  *
   3  *  Collection of all flags used through the GiNaC framework. */
   4
   5 /*
   6  *  GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #ifndef __GINAC_FLAGS_H__
  24 #define __GINAC_FLAGS_H__
  25
  26 #ifndef NO_NAMESPACE_GINAC
  27 namespace GiNaC {
  28 #endif // ndef NO_NAMESPACE_GINAC
  29
  30 class expand_options {
  31 public:
  32     enum { expand_trigonometric      = 0x0001
  33          };
  34 };
  35
  36 class status_flags {
  37 public:
  38     enum { dynallocated              = 0x0001,
  39            evaluated                 = 0x0002,
  40            expanded                  = 0x0004,
  41            hash_calculated           = 0x0008
  42          };
  43 };
  44
  45 /** Possible attributes an object can have. */
  46 class info_flags {
  47 public:
  48     enum {
  49            // answered by class numeric
  50            numeric,
  51            real,
  52            rational,
  53            integer,
  54            crational,
  55            cinteger,
  56            positive,
  57            negative,
  58            nonnegative,
  59            posint,
  60            negint,
  61            nonnegint,
  62            even,
  63            odd,
  64            prime,
  65
  66            // answered by class relation
  67            relation,
  68            relation_equal,
  69            relation_not_equal,
  70            relation_less,
  71            relation_less_or_equal,
  72            relation_greater,
  73            relation_greater_or_equal,
  74
  75            // answered by class symbol
  76            symbol,
  77
  78            // answered by class lst
  79            list,
  80
  81            // answered by class exprseq
  82            exprseq,
  83
  84            // answered by classes numeric, symbol, add, mul, power
  85            polynomial,
  86            integer_polynomial,
  87            cinteger_polynomial,
  88            rational_polynomial,
  89            crational_polynomial,
  90            rational_function,
  91
  92            // answered by class indexed
  93            indexed,      // class can carry indices
  94            has_indices,  // object has at least one index
  95
  96            // answered by class idx
  97            idx,
  98
  99            // answered by class coloridx
 100            coloridx,
 101
 102            // answered by class lorentzidx
 103            lorentzidx
 104     };
 105 };
 106
 107 class return_types {
 108 public:
 109     enum { commutative, noncommutative, noncommutative_composite};
 110 };
 111
 112 class csrc_types {
 113 public:
 114         enum {
 115                 ctype_float,
 116                 ctype_double,
 117                 ctype_cl_N
 118         };
 119 };
 120
 121 class remember_strategies {
 122 public:
 123     enum { delete_never, // let table grow undefinitely, not recommmended, but currently default
 124            delete_lru,   // least recently used
 125            delete_lfu,   // least frequently used
 126            delete_cyclic // first one in list (oldest)
 127     };
 128 };
 129
 130 #ifndef NO_NAMESPACE_GINAC
 131 } // namespace GiNaC
 132 #endif // ndef NO_NAMESPACE_GINAC
 133
 134 #endif // ndef __GINAC_FLAGS_H__