workbench/libs/mathieeedoubbas/mathieeedoubbas_intern.h

   1 /*
   2     Copyright © 1995-2007, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5 #ifndef __MATHIEEEDOUBBAS_INTERN_H__
   6 #define __MATHIEEEDOUBBAS_INTERN_H__
   7
   8
   9 /* This is a short file that contains a few things every mathieeedoubbas
  10    function needs */
  11
  12 #ifndef AROS_LIBCALL_H
  13 #   include <aros/libcall.h>
  14 #endif
  15 #ifndef PROTO_MATHIEEEDPTRANS_H
  16 #   include <proto/mathieeedoubbas.h>
  17 #endif
  18
  19 #ifndef EXEC_TYPES_H
  20 #   include <exec/types.h>
  21 #endif
  22 #ifndef EXEC_LIBRARIES_H
  23 #   include <exec/libraries.h>
  24 #endif
  25 #ifndef DOS_DOS_H
  26 #   include <dos/dos.h>
  27 #endif
  28
  29 #include <proto/exec.h>
  30
  31 #ifndef __MATHIEEE64BIT_DEFINES_H__
  32 #   include <aros/mathieee64bitdefines.h>
  33 #endif
  34
  35 /* Internal prototypes */
  36
  37 /*
  38     This is the MathIeeeDoubBasBase structure. It is documented here because
  39     it is completely private. Applications should treat it as a struct
  40     Library, and use the mathieeedoubbas.library functions to get information.
  41 */
  42
  43 struct MathIeeeDoubBasBase
  44 {
  45     struct Library     library;
  46     BPTR               seglist;
  47 };
  48
  49
  50 #define Zero_Bit     0x00000004  /* Flags of the 680xx CPU */
  51 #define Negative_Bit 0x00000008
  52 #define Overflow_Bit 0x00000002
  53
  54
  55 #define IEEEDPMantisse_Mask_Hi 0x000FFFFF /* 52 bit for the mantisse  */
  56 #define IEEEDPMantisse_Mask_Lo 0xFFFFFFFF
  57 #define IEEEDPExponent_Mask_Hi 0x7FF00000 /* 11 bit for the exponent  */
  58 #define IEEEDPExponent_Mask_Lo 0x00000000
  59 #define IEEEDPSign_Mask_Hi     0x80000000 /*  1 bit for the sign      */
  60 #define IEEEDPSign_Mask_Lo     0x00000000
  61
  62 #define IEEEDPNAN_Hi           0x7FFFFFFF
  63 #define IEEEDPNAN_Lo           0xFFFFFFFF
  64 #define IEEEDPNAN_64           0x7FFFFFFFFFFFFFFFULL
  65
  66 #define IEEEDPPInfty_Hi        0x7FEFFFFF
  67 #define IEEEDPPInfty_Lo        0xFFFFFFFF
  68 #define IEEEDPPInfty_64        0x7FEFFFFFFFFFFFFFULL
  69
  70 #define IEEEDPMantisse_Mask_64 0x0007FFFFFFFFFFFFULL /* 51 bit for the mantisse */
  71 #define IEEEDPExponent_Mask_64 0x7FF8000000000000ULL /* 12 bit for the exponent */
  72 #define IEEEDPSign_Mask_64     0x8000000000000000ULL /*  1 bit for the sign     */
  73
  74 #define IEEESPMantisse_Mask    0x007FFFFF /* 23 bit for the mantisse */
  75 #define IEEESPExponent_Mask    0x7F800000 /*  8 bit for the exponent */
  76 #define IEEESPSign_Mask        0x80000000 /*  1 bit for the sign     */
  77
  78 #define one_Hi 0x3ff00000
  79 #define one_Lo 0x00000000
  80 #define one_64 0x3ff0000000000000ULL
  81
  82
  83 #endif /* __MATHIEEEDOUBBAS_INTERN_H__  */
  84