libstdc++-v3/src/limits.cc

   1 // Static data members of -*- C++ -*- numeric_limits classes
   2
   3 // Copyright (C) 1999, 2001 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30 // Written by Gabriel Dos Reis <Gabriel.Dos-Reis@cmla.ens-cachan.fr>
  31
  32 //
  33 // ISO C++ 14882:1998
  34 // 18.2.1
  35 //
  36
  37 #include <limits>
  38
  39 namespace std
  40 {
  41   // bool
  42   const bool numeric_limits<bool>::is_specialized;
  43   const int  numeric_limits<bool>::digits;
  44   const int  numeric_limits<bool>::digits10;
  45   const bool numeric_limits<bool>::is_signed;
  46   const bool numeric_limits<bool>::is_integer;
  47   const bool numeric_limits<bool>::is_exact;
  48   const int  numeric_limits<bool>::radix;
  49   const int  numeric_limits<bool>::min_exponent;
  50   const int  numeric_limits<bool>::min_exponent10;
  51   const int  numeric_limits<bool>::max_exponent;
  52   const int  numeric_limits<bool>::max_exponent10;
  53   const bool numeric_limits<bool>::has_infinity;
  54   const bool numeric_limits<bool>::has_quiet_NaN;
  55   const bool numeric_limits<bool>::has_signaling_NaN;
  56   const float_denorm_style numeric_limits<bool>::has_denorm;
  57   const bool numeric_limits<bool>::has_denorm_loss;
  58   const bool numeric_limits<bool>::is_iec559;
  59   const bool numeric_limits<bool>::is_bounded;
  60   const bool numeric_limits<bool>::is_modulo;
  61   const bool numeric_limits<bool>::traps;
  62   const bool numeric_limits<bool>::tinyness_before;
  63   const float_round_style numeric_limits<bool>::round_style;
  64
  65   // char
  66   const bool numeric_limits<char>::is_specialized;
  67   const int  numeric_limits<char>::digits;
  68   const int  numeric_limits<char>::digits10;
  69   const bool numeric_limits<char>::is_signed;
  70   const bool numeric_limits<char>::is_integer;
  71   const bool numeric_limits<char>::is_exact;
  72   const int  numeric_limits<char>::radix;
  73   const int  numeric_limits<char>::min_exponent;
  74   const int  numeric_limits<char>::min_exponent10;
  75   const int  numeric_limits<char>::max_exponent;
  76   const int  numeric_limits<char>::max_exponent10;
  77   const bool numeric_limits<char>::has_infinity;
  78   const bool numeric_limits<char>::has_quiet_NaN;
  79   const bool numeric_limits<char>::has_signaling_NaN;
  80   const float_denorm_style numeric_limits<char>::has_denorm;
  81   const bool numeric_limits<char>::has_denorm_loss;
  82   const bool numeric_limits<char>::is_iec559;
  83   const bool numeric_limits<char>::is_bounded;
  84   const bool numeric_limits<char>::is_modulo;
  85   const bool numeric_limits<char>::traps;
  86   const bool numeric_limits<char>::tinyness_before;
  87   const float_round_style numeric_limits<char>::round_style;
  88
  89   // signed char
  90   const bool numeric_limits<signed char>::is_specialized;
  91   const int  numeric_limits<signed char>::digits;
  92   const int  numeric_limits<signed char>::digits10;
  93   const bool numeric_limits<signed char>::is_signed;
  94   const bool numeric_limits<signed char>::is_integer;
  95   const bool numeric_limits<signed char>::is_exact;
  96   const int  numeric_limits<signed char>::radix;
  97   const int  numeric_limits<signed char>::min_exponent;
  98   const int  numeric_limits<signed char>::min_exponent10;
  99   const int  numeric_limits<signed char>::max_exponent;
 100   const int  numeric_limits<signed char>::max_exponent10;
 101   const bool numeric_limits<signed char>::has_infinity;
 102   const bool numeric_limits<signed char>::has_quiet_NaN;
 103   const bool numeric_limits<signed char>::has_signaling_NaN;
 104   const float_denorm_style numeric_limits<signed char>::has_denorm;
 105   const bool numeric_limits<signed char>::has_denorm_loss;
 106   const bool numeric_limits<signed char>::is_iec559;
 107   const bool numeric_limits<signed char>::is_bounded;
 108   const bool numeric_limits<signed char>::is_modulo;
 109   const bool numeric_limits<signed char>::traps;
 110   const bool numeric_limits<signed char>::tinyness_before;
 111   const float_round_style numeric_limits<signed char>::round_style;
 112
 113   // unsigned char
 114   const bool numeric_limits<unsigned char>::is_specialized;
 115   const int  numeric_limits<unsigned char>::digits;
 116   const int  numeric_limits<unsigned char>::digits10;
 117   const bool numeric_limits<unsigned char>::is_signed;
 118   const bool numeric_limits<unsigned char>::is_integer;
 119   const bool numeric_limits<unsigned char>::is_exact;
 120   const int  numeric_limits<unsigned char>::radix;
 121   const int  numeric_limits<unsigned char>::min_exponent;
 122   const int  numeric_limits<unsigned char>::min_exponent10;
 123   const int  numeric_limits<unsigned char>::max_exponent;
 124   const int  numeric_limits<unsigned char>::max_exponent10;
 125   const bool numeric_limits<unsigned char>::has_infinity;
 126   const bool numeric_limits<unsigned char>::has_quiet_NaN;
 127   const bool numeric_limits<unsigned char>::has_signaling_NaN;
 128   const float_denorm_style numeric_limits<unsigned char>::has_denorm;
 129   const bool numeric_limits<unsigned char>::has_denorm_loss;
 130   const bool numeric_limits<unsigned char>::is_iec559;
 131   const bool numeric_limits<unsigned char>::is_bounded;
 132   const bool numeric_limits<unsigned char>::is_modulo;
 133   const bool numeric_limits<unsigned char>::traps;
 134   const bool numeric_limits<unsigned char>::tinyness_before;
 135   const float_round_style numeric_limits<unsigned char>::round_style;
 136
 137   // wchar_t
 138   // This used to be problematic...
 139 #ifdef _GLIBCPP_USE_WCHAR_T
 140   const bool numeric_limits<wchar_t>::is_specialized;
 141   const int  numeric_limits<wchar_t>::digits;
 142   const int  numeric_limits<wchar_t>::digits10;
 143   const bool numeric_limits<wchar_t>::is_signed;
 144   const bool numeric_limits<wchar_t>::is_integer;
 145   const bool numeric_limits<wchar_t>::is_exact;
 146   const int  numeric_limits<wchar_t>::radix;
 147   const int  numeric_limits<wchar_t>::min_exponent;
 148   const int  numeric_limits<wchar_t>::min_exponent10;
 149   const int  numeric_limits<wchar_t>::max_exponent;
 150   const int  numeric_limits<wchar_t>::max_exponent10;
 151   const bool numeric_limits<wchar_t>::has_infinity;
 152   const bool numeric_limits<wchar_t>::has_quiet_NaN;
 153   const bool numeric_limits<wchar_t>::has_signaling_NaN;
 154   const float_denorm_style numeric_limits<wchar_t>::has_denorm;
 155   const bool numeric_limits<wchar_t>::has_denorm_loss;
 156   const bool numeric_limits<wchar_t>::is_iec559;
 157   const bool numeric_limits<wchar_t>::is_bounded;
 158   const bool numeric_limits<wchar_t>::is_modulo;
 159   const bool numeric_limits<wchar_t>::traps;
 160   const bool numeric_limits<wchar_t>::tinyness_before;
 161   const float_round_style numeric_limits<wchar_t>::round_style;
 162 #endif // _GLIBCPP_USE_WCHAR_T
 163
 164   // short
 165   const bool numeric_limits<short>::is_specialized;
 166   const int  numeric_limits<short>::digits;
 167   const int  numeric_limits<short>::digits10;
 168   const bool numeric_limits<short>::is_signed;
 169   const bool numeric_limits<short>::is_integer;
 170   const bool numeric_limits<short>::is_exact;
 171   const int  numeric_limits<short>::radix;
 172   const int  numeric_limits<short>::min_exponent;
 173   const int  numeric_limits<short>::min_exponent10;
 174   const int  numeric_limits<short>::max_exponent;
 175   const int  numeric_limits<short>::max_exponent10;
 176   const bool numeric_limits<short>::has_infinity;
 177   const bool numeric_limits<short>::has_quiet_NaN;
 178   const bool numeric_limits<short>::has_signaling_NaN;
 179   const float_denorm_style numeric_limits<short>::has_denorm;
 180   const bool numeric_limits<short>::has_denorm_loss;
 181   const bool numeric_limits<short>::is_iec559;
 182   const bool numeric_limits<short>::is_bounded;
 183   const bool numeric_limits<short>::is_modulo;
 184   const bool numeric_limits<short>::traps;
 185   const bool numeric_limits<short>::tinyness_before;
 186   const float_round_style numeric_limits<short>::round_style;
 187
 188   // unsigned short
 189   const bool numeric_limits<unsigned short>::is_specialized;
 190   const int  numeric_limits<unsigned short>::digits;
 191   const int  numeric_limits<unsigned short>::digits10;
 192   const bool numeric_limits<unsigned short>::is_signed;
 193   const bool numeric_limits<unsigned short>::is_integer;
 194   const bool numeric_limits<unsigned short>::is_exact;
 195   const int  numeric_limits<unsigned short>::radix;
 196   const int  numeric_limits<unsigned short>::min_exponent;
 197   const int  numeric_limits<unsigned short>::min_exponent10;
 198   const int  numeric_limits<unsigned short>::max_exponent;
 199   const int  numeric_limits<unsigned short>::max_exponent10;
 200   const bool numeric_limits<unsigned short>::has_infinity;
 201   const bool numeric_limits<unsigned short>::has_quiet_NaN;
 202   const bool numeric_limits<unsigned short>::has_signaling_NaN;
 203   const float_denorm_style numeric_limits<unsigned short>::has_denorm;
 204   const bool numeric_limits<unsigned short>::has_denorm_loss;
 205   const bool numeric_limits<unsigned short>::is_iec559;
 206   const bool numeric_limits<unsigned short>::is_bounded;
 207   const bool numeric_limits<unsigned short>::is_modulo;
 208   const bool numeric_limits<unsigned short>::traps;
 209   const bool numeric_limits<unsigned short>::tinyness_before;
 210   const float_round_style numeric_limits<unsigned short>::round_style;
 211
 212   // int
 213   const bool numeric_limits<int>::is_specialized;
 214   const int  numeric_limits<int>::digits;
 215   const int  numeric_limits<int>::digits10;
 216   const bool numeric_limits<int>::is_signed;
 217   const bool numeric_limits<int>::is_integer;
 218   const bool numeric_limits<int>::is_exact;
 219   const int  numeric_limits<int>::radix;
 220   const int  numeric_limits<int>::min_exponent;
 221   const int  numeric_limits<int>::min_exponent10;
 222   const int  numeric_limits<int>::max_exponent;
 223   const int  numeric_limits<int>::max_exponent10;
 224   const bool numeric_limits<int>::has_infinity;
 225   const bool numeric_limits<int>::has_quiet_NaN;
 226   const bool numeric_limits<int>::has_signaling_NaN;
 227   const float_denorm_style numeric_limits<int>::has_denorm;
 228   const bool numeric_limits<int>::has_denorm_loss;
 229   const bool numeric_limits<int>::is_iec559;
 230   const bool numeric_limits<int>::is_bounded;
 231   const bool numeric_limits<int>::is_modulo;
 232   const bool numeric_limits<int>::traps;
 233   const bool numeric_limits<int>::tinyness_before;
 234   const float_round_style numeric_limits<int>::round_style;
 235
 236   // unsigned int
 237   const bool numeric_limits<unsigned int>::is_specialized;
 238   const int  numeric_limits<unsigned int>::digits;
 239   const int  numeric_limits<unsigned int>::digits10;
 240   const bool numeric_limits<unsigned int>::is_signed;
 241   const bool numeric_limits<unsigned int>::is_integer;
 242   const bool numeric_limits<unsigned int>::is_exact;
 243   const int  numeric_limits<unsigned int>::radix;
 244   const int  numeric_limits<unsigned int>::min_exponent;
 245   const int  numeric_limits<unsigned int>::min_exponent10;
 246   const int  numeric_limits<unsigned int>::max_exponent;
 247   const int  numeric_limits<unsigned int>::max_exponent10;
 248   const bool numeric_limits<unsigned int>::has_infinity;
 249   const bool numeric_limits<unsigned int>::has_quiet_NaN;
 250   const bool numeric_limits<unsigned int>::has_signaling_NaN;
 251   const float_denorm_style numeric_limits<unsigned int>::has_denorm;
 252   const bool numeric_limits<unsigned int>::has_denorm_loss;
 253   const bool numeric_limits<unsigned int>::is_iec559;
 254   const bool numeric_limits<unsigned int>::is_bounded;
 255   const bool numeric_limits<unsigned int>::is_modulo;
 256   const bool numeric_limits<unsigned int>::traps;
 257   const bool numeric_limits<unsigned int>::tinyness_before;
 258   const float_round_style numeric_limits<unsigned int>::round_style;
 259
 260   // long
 261   const bool numeric_limits<long>::is_specialized;
 262   const int  numeric_limits<long>::digits;
 263   const int  numeric_limits<long>::digits10;
 264   const bool numeric_limits<long>::is_signed;
 265   const bool numeric_limits<long>::is_integer;
 266   const bool numeric_limits<long>::is_exact;
 267   const int  numeric_limits<long>::radix;
 268   const int  numeric_limits<long>::min_exponent;
 269   const int  numeric_limits<long>::min_exponent10;
 270   const int  numeric_limits<long>::max_exponent;
 271   const int  numeric_limits<long>::max_exponent10;
 272   const bool numeric_limits<long>::has_infinity;
 273   const bool numeric_limits<long>::has_quiet_NaN;
 274   const bool numeric_limits<long>::has_signaling_NaN;
 275   const float_denorm_style numeric_limits<long>::has_denorm;
 276   const bool numeric_limits<long>::has_denorm_loss;
 277   const bool numeric_limits<long>::is_iec559;
 278   const bool numeric_limits<long>::is_bounded;
 279   const bool numeric_limits<long>::is_modulo;
 280   const bool numeric_limits<long>::traps;
 281   const bool numeric_limits<long>::tinyness_before;
 282   const float_round_style numeric_limits<long>::round_style;
 283
 284   // unsigned long
 285   const bool numeric_limits<unsigned long>::is_specialized;
 286   const int  numeric_limits<unsigned long>::digits;
 287   const int  numeric_limits<unsigned long>::digits10;
 288   const bool numeric_limits<unsigned long>::is_signed;
 289   const bool numeric_limits<unsigned long>::is_integer;
 290   const bool numeric_limits<unsigned long>::is_exact;
 291   const int  numeric_limits<unsigned long>::radix;
 292   const int  numeric_limits<unsigned long>::min_exponent;
 293   const int  numeric_limits<unsigned long>::min_exponent10;
 294   const int  numeric_limits<unsigned long>::max_exponent;
 295   const int  numeric_limits<unsigned long>::max_exponent10;
 296   const bool numeric_limits<unsigned long>::has_infinity;
 297   const bool numeric_limits<unsigned long>::has_quiet_NaN;
 298   const bool numeric_limits<unsigned long>::has_signaling_NaN;
 299   const float_denorm_style numeric_limits<unsigned long>::has_denorm;
 300   const bool numeric_limits<unsigned long>::has_denorm_loss;
 301   const bool numeric_limits<unsigned long>::is_iec559;
 302   const bool numeric_limits<unsigned long>::is_bounded;
 303   const bool numeric_limits<unsigned long>::is_modulo;
 304   const bool numeric_limits<unsigned long>::traps;
 305   const bool numeric_limits<unsigned long>::tinyness_before;
 306   const float_round_style numeric_limits<unsigned long>::round_style;
 307
 308   // NOTA BENE:  long long is an extension
 309   const bool numeric_limits<long long>::is_specialized;
 310   const int  numeric_limits<long long>::digits;
 311   const int  numeric_limits<long long>::digits10;
 312   const bool numeric_limits<long long>::is_signed;
 313   const bool numeric_limits<long long>::is_integer;
 314   const bool numeric_limits<long long>::is_exact;
 315   const int  numeric_limits<long long>::radix;
 316   const int  numeric_limits<long long>::min_exponent;
 317   const int  numeric_limits<long long>::min_exponent10;
 318   const int  numeric_limits<long long>::max_exponent;
 319   const int  numeric_limits<long long>::max_exponent10;
 320   const bool numeric_limits<long long>::has_infinity;
 321   const bool numeric_limits<long long>::has_quiet_NaN;
 322   const bool numeric_limits<long long>::has_signaling_NaN;
 323   const float_denorm_style numeric_limits<long long>::has_denorm;
 324   const bool numeric_limits<long long>::has_denorm_loss;
 325   const bool numeric_limits<long long>::is_iec559;
 326   const bool numeric_limits<long long>::is_bounded;
 327   const bool numeric_limits<long long>::is_modulo;
 328   const bool numeric_limits<long long>::traps;
 329   const bool numeric_limits<long long>::tinyness_before;
 330   const float_round_style numeric_limits<long long>::round_style;
 331
 332   const bool numeric_limits<unsigned long long>::is_specialized;
 333   const int  numeric_limits<unsigned long long>::digits;
 334   const int  numeric_limits<unsigned long long>::digits10;
 335   const bool numeric_limits<unsigned long long>::is_signed;
 336   const bool numeric_limits<unsigned long long>::is_integer;
 337   const bool numeric_limits<unsigned long long>::is_exact;
 338   const int  numeric_limits<unsigned long long>::radix;
 339   const int  numeric_limits<unsigned long long>::min_exponent;
 340   const int  numeric_limits<unsigned long long>::min_exponent10;
 341   const int  numeric_limits<unsigned long long>::max_exponent;
 342   const int  numeric_limits<unsigned long long>::max_exponent10;
 343   const bool numeric_limits<unsigned long long>::has_infinity;
 344   const bool numeric_limits<unsigned long long>::has_quiet_NaN;
 345   const bool numeric_limits<unsigned long long>::has_signaling_NaN;
 346   const float_denorm_style numeric_limits<unsigned long long>::has_denorm;
 347   const bool numeric_limits<unsigned long long>::has_denorm_loss;
 348   const bool numeric_limits<unsigned long long>::is_iec559;
 349   const bool numeric_limits<unsigned long long>::is_bounded;
 350   const bool numeric_limits<unsigned long long>::is_modulo;
 351   const bool numeric_limits<unsigned long long>::traps;
 352   const bool numeric_limits<unsigned long long>::tinyness_before;
 353   const float_round_style numeric_limits<unsigned long long>::round_style;
 354
 355   // float
 356   const bool numeric_limits<float>::is_specialized;
 357   const int  numeric_limits<float>::digits;
 358   const int  numeric_limits<float>::digits10;
 359   const bool numeric_limits<float>::is_signed;
 360   const bool numeric_limits<float>::is_integer;
 361   const bool numeric_limits<float>::is_exact;
 362   const int  numeric_limits<float>::radix;
 363   const int  numeric_limits<float>::min_exponent;
 364   const int  numeric_limits<float>::min_exponent10;
 365   const int  numeric_limits<float>::max_exponent;
 366   const int  numeric_limits<float>::max_exponent10;
 367   const bool numeric_limits<float>::has_infinity;
 368   const bool numeric_limits<float>::has_quiet_NaN;
 369   const bool numeric_limits<float>::has_signaling_NaN;
 370   const float_denorm_style numeric_limits<float>::has_denorm;
 371   const bool numeric_limits<float>::has_denorm_loss;
 372   const bool numeric_limits<float>::is_iec559;
 373   const bool numeric_limits<float>::is_bounded;
 374   const bool numeric_limits<float>::is_modulo;
 375   const bool numeric_limits<float>::traps;
 376   const bool numeric_limits<float>::tinyness_before;
 377   const float_round_style numeric_limits<float>::round_style;
 378
 379   // double
 380   const bool numeric_limits<double>::is_specialized;
 381   const int  numeric_limits<double>::digits;
 382   const int  numeric_limits<double>::digits10;
 383   const bool numeric_limits<double>::is_signed;
 384   const bool numeric_limits<double>::is_integer;
 385   const bool numeric_limits<double>::is_exact;
 386   const int  numeric_limits<double>::radix;
 387   const int  numeric_limits<double>::min_exponent;
 388   const int  numeric_limits<double>::min_exponent10;
 389   const int  numeric_limits<double>::max_exponent;
 390   const int  numeric_limits<double>::max_exponent10;
 391   const bool numeric_limits<double>::has_infinity;
 392   const bool numeric_limits<double>::has_quiet_NaN;
 393   const bool numeric_limits<double>::has_signaling_NaN;
 394   const float_denorm_style numeric_limits<double>::has_denorm;
 395   const bool numeric_limits<double>::has_denorm_loss;
 396   const bool numeric_limits<double>::is_iec559;
 397   const bool numeric_limits<double>::is_bounded;
 398   const bool numeric_limits<double>::is_modulo;
 399   const bool numeric_limits<double>::traps;
 400   const bool numeric_limits<double>::tinyness_before;
 401   const float_round_style numeric_limits<double>::round_style;
 402
 403   // long double
 404   const bool numeric_limits<long double>::is_specialized;
 405   const int  numeric_limits<long double>::digits;
 406   const int  numeric_limits<long double>::digits10;
 407   const bool numeric_limits<long double>::is_signed;
 408   const bool numeric_limits<long double>::is_integer;
 409   const bool numeric_limits<long double>::is_exact;
 410   const int  numeric_limits<long double>::radix;
 411   const int  numeric_limits<long double>::min_exponent;
 412   const int  numeric_limits<long double>::min_exponent10;
 413   const int  numeric_limits<long double>::max_exponent;
 414   const int  numeric_limits<long double>::max_exponent10;
 415   const bool numeric_limits<long double>::has_infinity;
 416   const bool numeric_limits<long double>::has_quiet_NaN;
 417   const bool numeric_limits<long double>::has_signaling_NaN;
 418   const float_denorm_style numeric_limits<long double>::has_denorm;
 419   const bool numeric_limits<long double>::has_denorm_loss;
 420   const bool numeric_limits<long double>::is_iec559;
 421   const bool numeric_limits<long double>::is_bounded;
 422   const bool numeric_limits<long double>::is_modulo;
 423   const bool numeric_limits<long double>::traps;
 424   const bool numeric_limits<long double>::tinyness_before;
 425   const float_round_style numeric_limits<long double>::round_style;
 426 } // namespace std