include/values.h

   1 #ifndef _VALUES_H
   2 #define _VALUES_H
   3
   4 #include <limits.h>
   5
   6 #define CHARBITS   (sizeof(char)   * 8)
   7 #define SHORTBITS  (sizeof(short)  * 8)
   8 #define INTBITS    (sizeof(int)    * 8)
   9 #define LONGBITS   (sizeof(long)   * 8)
  10 #define PTRBITS    (sizeof(char *) * 8)
  11 #define DOUBLEBITS (sizeof(double) * 8)
  12 #define FLOATBITS  (sizeof(float)  * 8)
  13
  14 #define MINSHORT SHRT_MIN
  15 #define MININT   INT_MIN
  16 #define MINLONG  LONG_MIN
  17
  18 #define MAXSHORT SHRT_MAX
  19 #define MAXINT   INT_MAX
  20 #define MAXLONG  LONG_MAX
  21
  22 #define HIBITS   MINSHORT
  23 #define HIBITL   MINLONG
  24
  25 #include <float.h>
  26
  27 #define MAXDOUBLE DBL_MAX
  28 #undef  MAXFLOAT
  29 #define MAXFLOAT  FLT_MAX
  30 #define MINDOUBLE DBL_MIN
  31 #define MINFLOAT  FLT_MIN
  32 #define DMINEXP   DBL_MIN_EXP
  33 #define FMINEXP   FLT_MIN_EXP
  34 #define DMAXEXP   DBL_MAX_EXP
  35 #define FMAXEXP   FLT_MAX_EXP
  36
  37 #define BITSPERBYTE CHAR_BIT
  38
  39 #endif