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 /* This module comprises decSingle operations (including conversions) */
  35 /* ------------------------------------------------------------------ */
  36
  37 #include "decContext.h"       /* public includes */
  38 #include "decSingle.h"        /* public includes */
  39
  40 /* Constant mappings for shared code */
  41 #define DECPMAX     DECSINGLE_Pmax
  42 #define DECEMIN     DECSINGLE_Emin
  43 #define DECEMAX     DECSINGLE_Emax
  44 #define DECEMAXD    DECSINGLE_EmaxD
  45 #define DECBYTES    DECSINGLE_Bytes
  46 #define DECSTRING   DECSINGLE_String
  47 #define DECECONL    DECSINGLE_EconL
  48 #define DECBIAS     DECSINGLE_Bias
  49 #define DECLETS     DECSINGLE_Declets
  50 #define DECQTINY    (-DECSINGLE_Bias)
  51 /* parameters of next-wider format */
  52 #define DECWBYTES   DECDOUBLE_Bytes
  53 #define DECWPMAX    DECDOUBLE_Pmax
  54 #define DECWECONL   DECDOUBLE_EconL
  55 #define DECWBIAS    DECDOUBLE_Bias
  56
  57 /* Type and function mappings for shared code */
  58 #define decFloat                decSingle         /* Type name */
  59 #define decFloatWider           decDouble         /* Type name */
  60
  61 /* Utility (binary results, extractors, etc.) */
  62 #define decFloatFromBCD         decSingleFromBCD
  63 #define decFloatFromPacked      decSingleFromPacked
  64 #define decFloatFromString      decSingleFromString
  65 #define decFloatFromWider       decSingleFromWider
  66 #define decFloatGetCoefficient  decSingleGetCoefficient
  67 #define decFloatGetExponent     decSingleGetExponent
  68 #define decFloatSetCoefficient  decSingleSetCoefficient
  69 #define decFloatSetExponent     decSingleSetExponent
  70 #define decFloatShow            decSingleShow
  71 #define decFloatToBCD           decSingleToBCD
  72 #define decFloatToEngString     decSingleToEngString
  73 #define decFloatToPacked        decSingleToPacked
  74 #define decFloatToString        decSingleToString
  75 #define decFloatToWider         decSingleToWider
  76 #define decFloatZero            decSingleZero
  77
  78 /* Non-computational */
  79 #define decFloatRadix           decSingleRadix
  80 #define decFloatVersion         decSingleVersion
  81
  82 #include "decNumberLocal.h"   /* local includes (need DECPMAX) */
  83 #include "decCommon.c"        /* non-basic decFloat routines */
  84 /* [Do not include decBasic.c for decimal32] */
  85