values.h 2.5 KB

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  1. //
  2. // Copyright 2026 Aarav Ravindra Kharade
  3. //
  4. // Licensed under the Apache License, Version 2.0 (the "License");
  5. // you may not use this file except in compliance with the License.
  6. // You may obtain a copy of the License at
  7. //
  8. // http://www.apache.org/licenses/LICENSE-2.0
  9. //
  10. // Unless required by applicable law or agreed to in writing, software
  11. // distributed under the License is distributed on an "AS IS" BASIS,
  12. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. // See the License for the specific language governing permissions and
  14. // limitations under the License.
  15. //
  16. /* Old compatibility names for <limits.h> and <float.h> constants.
  17. Copyright (C) 1995-2026 Free Software Foundation, Inc.
  18. This file is part of the GNU C Library.
  19. The GNU C Library is free software; you can redistribute it and/or
  20. modify it under the terms of the GNU Lesser General Public
  21. License as published by the Free Software Foundation; either
  22. version 2.1 of the License, or (at your option) any later version.
  23. The GNU C Library is distributed in the hope that it will be useful,
  24. but WITHOUT ANY WARRANTY; without even the implied warranty of
  25. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  26. Lesser General Public License for more details.
  27. You should have received a copy of the GNU Lesser General Public
  28. License along with the GNU C Library; if not, see
  29. <https://www.gnu.org/licenses/>. */
  30. /* This interface is obsolete. New programs should use
  31. <limits.h> and/or <float.h> instead of <values.h>. */
  32. #ifndef _VALUES_H
  33. #define _VALUES_H 1
  34. #include <features.h>
  35. #include <limits.h>
  36. #define _TYPEBITS(type) (sizeof (type) * CHAR_BIT)
  37. #define CHARBITS _TYPEBITS (char)
  38. #define SHORTBITS _TYPEBITS (short int)
  39. #define INTBITS _TYPEBITS (int)
  40. #define LONGBITS _TYPEBITS (long int)
  41. #define PTRBITS _TYPEBITS (char *)
  42. #define DOUBLEBITS _TYPEBITS (double)
  43. #define FLOATBITS _TYPEBITS (float)
  44. #define MINSHORT SHRT_MIN
  45. #define MININT INT_MIN
  46. #define MINLONG LONG_MIN
  47. #define MAXSHORT SHRT_MAX
  48. #define MAXINT INT_MAX
  49. #define MAXLONG LONG_MAX
  50. #define HIBITS MINSHORT
  51. #define HIBITL MINLONG
  52. #include <float.h>
  53. #define MAXDOUBLE DBL_MAX
  54. #define MAXFLOAT FLT_MAX
  55. #define MINDOUBLE DBL_MIN
  56. #define MINFLOAT FLT_MIN
  57. #define DMINEXP DBL_MIN_EXP
  58. #define FMINEXP FLT_MIN_EXP
  59. #define DMAXEXP DBL_MAX_EXP
  60. #define FMAXEXP FLT_MAX_EXP
  61. #ifdef __USE_MISC
  62. /* Some systems define this name instead of CHAR_BIT or CHARBITS. */
  63. # define BITSPERBYTE CHAR_BIT
  64. #endif
  65. #endif /* values.h */