lib/ack/fphook/FP_bias.h

   1 /*
   2   (c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
   3   See the copyright notice in the ACK home directory, in the file "Copyright".
   4 */
   5
   6 /* $Header$ */
   7
   8 /*
   9         include file for floating point package
  10 */
  11
  12                 /*      FLOAT FORMAT EXPONENT BIAS      */
  13
  14 #define SGL_BIAS         127    /* excess  128 notation used    */
  15 #define DBL_BIAS        1023    /* excess 1024 notation used    */
  16 #define EXT_BIAS           0    /* 2s-complement notation used  */
  17                                 /* this is possible because the */
  18                                 /* sign is in a seperate word   */
  19
  20                 /*      VARIOUS MAX AND MIN VALUES      */
  21                 /*      1) FOR THE DIFFERENT FORMATS    */
  22
  23 #define SGL_MAX            254  /*      standard definition     */
  24 #define SGL_MIN              1  /*      standard definition     */
  25 #define DBL_MAX           2046  /*      standard definition     */
  26 #define DBL_MIN              1  /*      standard definition     */
  27 #define EXT_MAX          16383  /*      standard minimum        */
  28 #define EXT_MIN         -16382  /*      standard minimum        */