libdecnumber/decSingle.c

   1 /* decSingle module for the decNumber C Library.
   2    Copyright (C) 2007-2017 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 3, or (at your option) any later
  10    version.
  11
  12    GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13    WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15    for more details.
  16
  17 Under Section 7 of GPL version 3, you are granted additional
  18 permissions described in the GCC Runtime Library Exception, version
  19 3.1, as published by the Free Software Foundation.
  20
  21 You should have received a copy of the GNU General Public License and
  22 a copy of the GCC Runtime Library Exception along with this program;
  23 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  24 <http://www.gnu.org/licenses/>.  */
  25
  26 /* ------------------------------------------------------------------ */
  27 /* decSingle.c -- decSingle operations module                         */
  28 /* ------------------------------------------------------------------ */
  29
  30 #include "decContext.h"       /* public includes */
  31 #include "decSingle.h"        /* public includes */
  32
  33 /* Constant mappings for shared code */
  34 #define DECPMAX     DECSINGLE_Pmax
  35 #define DECEMIN     DECSINGLE_Emin
  36 #define DECEMAX     DECSINGLE_Emax
  37 #define DECEMAXD    DECSINGLE_EmaxD
  38 #define DECBYTES    DECSINGLE_Bytes
  39 #define DECSTRING   DECSINGLE_String
  40 #define DECECONL    DECSINGLE_EconL
  41 #define DECBIAS     DECSINGLE_Bias
  42 #define DECLETS     DECSINGLE_Declets
  43 #define DECQTINY    (-DECSINGLE_Bias)
  44 /* parameters of next-wider format */
  45 #define DECWBYTES   DECDOUBLE_Bytes
  46 #define DECWPMAX    DECDOUBLE_Pmax
  47 #define DECWECONL   DECDOUBLE_EconL
  48 #define DECWBIAS    DECDOUBLE_Bias
  49
  50 /* Type and function mappings for shared code */
  51 #define decFloat                   decSingle      /* Type name */
  52 #define decFloatWider              decDouble      /* Type name */
  53
  54 /* Utility (binary results, extractors, etc.) */
  55 #define decFloatFromBCD            decSingleFromBCD
  56 #define decFloatFromPacked         decSingleFromPacked
  57 #define decFloatFromPackedChecked  decSingleFromPackedChecked
  58 #define decFloatFromString         decSingleFromString
  59 #define decFloatFromWider          decSingleFromWider
  60 #define decFloatGetCoefficient     decSingleGetCoefficient
  61 #define decFloatGetExponent        decSingleGetExponent
  62 #define decFloatSetCoefficient     decSingleSetCoefficient
  63 #define decFloatSetExponent        decSingleSetExponent
  64 #define decFloatShow               decSingleShow
  65 #define decFloatToBCD              decSingleToBCD
  66 #define decFloatToEngString        decSingleToEngString
  67 #define decFloatToPacked           decSingleToPacked
  68 #define decFloatToString           decSingleToString
  69 #define decFloatToWider            decSingleToWider
  70 #define decFloatZero               decSingleZero
  71
  72 /* Non-computational */
  73 #define decFloatRadix              decSingleRadix
  74 #define decFloatVersion            decSingleVersion
  75
  76 #include "decNumberLocal.h"   /* local includes (need DECPMAX) */
  77 #include "decCommon.c"        /* non-basic decFloat routines */
  78 /* [Do not include decBasic.c for decimal32] */
  79