libdecnumber/decSingle.c

   1 /* decSingle module for the decNumber C Library.
   2    Copyright (C) 2007 Free Software Foundation, Inc.
   3    Contributed by IBM Corporation.  Author Mike Cowlishaw.
   4
   5    This file is part of GCC.
   6
   7    GCC is free software; you can redistribute it and/or modify it under
   8    the terms of the GNU General Public License as published by the Free
   9    Software Foundation; either version 2, or (at your option) any later
  10    version.
  11
  12    In addition to the permissions in the GNU General Public License,
  13    the Free Software Foundation gives you unlimited permission to link
  14    the compiled version of this file into combinations with other
  15    programs, and to distribute those combinations without any
  16    restriction coming from the use of this file.  (The General Public
  17    License restrictions do apply in other respects; for example, they
  18    cover modification of the file, and distribution when not linked
  19    into a combine executable.)
  20
  21    GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  22    WARRANTY; without even the implied warranty of MERCHANTABILITY or
  23    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  24    for more details.
  25
  26    You should have received a copy of the GNU General Public License
  27    along with GCC; see the file COPYING.  If not, write to the Free
  28    Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
  29    02110-1301, USA.  */
  30
  31 /* ------------------------------------------------------------------ */
  32 /* decSingle.c -- decSingle operations module                         */
  33 /* ------------------------------------------------------------------ */
  34
  35 #include "decContext.h"       /* public includes */
  36 #include "decSingle.h"        /* public includes */
  37
  38 /* Constant mappings for shared code */
  39 #define DECPMAX     DECSINGLE_Pmax
  40 #define DECEMIN     DECSINGLE_Emin
  41 #define DECEMAX     DECSINGLE_Emax
  42 #define DECEMAXD    DECSINGLE_EmaxD
  43 #define DECBYTES    DECSINGLE_Bytes
  44 #define DECSTRING   DECSINGLE_String
  45 #define DECECONL    DECSINGLE_EconL
  46 #define DECBIAS     DECSINGLE_Bias
  47 #define DECLETS     DECSINGLE_Declets
  48 #define DECQTINY    (-DECSINGLE_Bias)
  49 /* parameters of next-wider format */
  50 #define DECWBYTES   DECDOUBLE_Bytes
  51 #define DECWPMAX    DECDOUBLE_Pmax
  52 #define DECWECONL   DECDOUBLE_EconL
  53 #define DECWBIAS    DECDOUBLE_Bias
  54
  55 /* Type and function mappings for shared code */
  56 #define decFloat                   decSingle      /* Type name */
  57 #define decFloatWider              decDouble      /* Type name */
  58
  59 /* Utility (binary results, extractors, etc.) */
  60 #define decFloatFromBCD            decSingleFromBCD
  61 #define decFloatFromPacked         decSingleFromPacked
  62 #define decFloatFromPackedChecked  decSingleFromPackedChecked
  63 #define decFloatFromString         decSingleFromString
  64 #define decFloatFromWider          decSingleFromWider
  65 #define decFloatGetCoefficient     decSingleGetCoefficient
  66 #define decFloatGetExponent        decSingleGetExponent
  67 #define decFloatSetCoefficient     decSingleSetCoefficient
  68 #define decFloatSetExponent        decSingleSetExponent
  69 #define decFloatShow               decSingleShow
  70 #define decFloatToBCD              decSingleToBCD
  71 #define decFloatToEngString        decSingleToEngString
  72 #define decFloatToPacked           decSingleToPacked
  73 #define decFloatToString           decSingleToString
  74 #define decFloatToWider            decSingleToWider
  75 #define decFloatZero               decSingleZero
  76
  77 /* Non-computational */
  78 #define decFloatRadix              decSingleRadix
  79 #define decFloatVersion            decSingleVersion
  80
  81 #include "decNumberLocal.h"   /* local includes (need DECPMAX) */
  82 #include "decCommon.c"        /* non-basic decFloat routines */
  83 /* [Do not include decBasic.c for decimal32] */
  84