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  1. /****************************************************************
  2.  
  3. The author of this software is David M. Gay.
  4.  
  5. Copyright (C) 1998 by Lucent Technologies
  6. All Rights Reserved
  7.  
  8. Permission to use, copy, modify, and distribute this software and
  9. its documentation for any purpose and without fee is hereby
  10. granted, provided that the above copyright notice appear in all
  11. copies and that both that the copyright notice and this
  12. permission notice and warranty disclaimer appear in supporting
  13. documentation, and that the name of Lucent or any of its entities
  14. not be used in advertising or publicity pertaining to
  15. distribution of the software without specific, written prior
  16. permission.
  17.  
  18. LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  19. INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
  20. IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY
  21. SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  22. WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
  23. IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  24. ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
  25. THIS SOFTWARE.
  26.  
  27. ****************************************************************/
  28.  
  29. /* Please send bug reports to David M. Gay (dmg at acm dot org,
  30.  * with " at " changed at "@" and " dot " changed to ".").      */
  31.  
  32. #ifndef GDTOA_H_INCLUDED
  33. #define GDTOA_H_INCLUDED
  34.  
  35.  
  36.  enum { /* return values from strtodg */
  37.         STRTOG_Zero     = 0,
  38.         STRTOG_Normal   = 1,
  39.         STRTOG_Denormal = 2,
  40.         STRTOG_Infinite = 3,
  41.         STRTOG_NaN      = 4,
  42.         STRTOG_NaNbits  = 5,
  43.         STRTOG_NoNumber = 6,
  44.         STRTOG_Retmask  = 7,
  45.  
  46.         /* The following may be or-ed into one of the above values. */
  47.  
  48.         STRTOG_Neg      = 0x08,
  49.         STRTOG_Inexlo   = 0x10,
  50.         STRTOG_Inexhi   = 0x20,
  51.         STRTOG_Inexact  = 0x30,
  52.         STRTOG_Underflow= 0x40,
  53.         STRTOG_Overflow = 0x80
  54.         };
  55.  
  56.  typedef struct
  57. FPI {
  58.         int nbits;
  59.         int emin;
  60.         int emax;
  61.         int rounding;
  62.         int sudden_underflow;
  63.         } FPI;
  64.  
  65. enum {  /* FPI.rounding values: same as FLT_ROUNDS */
  66.         FPI_Round_zero = 0,
  67.         FPI_Round_near = 1,
  68.         FPI_Round_up = 2,
  69.         FPI_Round_down = 3
  70.         };
  71.  
  72. #endif /* GDTOA_H_INCLUDED */
  73.