libstdc++-v3/testsuite/decimal/unary-arith.cc

   1 // Copyright (C) 2009-2016 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-require-effective-target dfp }
  19
  20 // ISO/IEC TR 24733  3.2.7  Unary arithmetic operators.
  21
  22 #include <decimal/decimal>
  23 #include <testsuite_hooks.h>
  24
  25 using namespace std::decimal;
  26
  27 decimal32 a32 (20), b32 (-20);
  28 decimal64 a64 (124), b64 (-124);
  29 decimal128 a128 (5001), b128 (-5001);
  30
  31 void
  32 unary_plus_32 (void)
  33 {
  34   bool test __attribute__((unused)) = true;
  35   decimal32 a;
  36
  37   a = +a32; VERIFY (a == a32);
  38   a = +b32; VERIFY (a == b32);
  39 }
  40
  41 void
  42 unary_minus_32 (void)
  43 {
  44   bool test __attribute__((unused)) = true;
  45   decimal32 a;
  46
  47   a = -a32; VERIFY (a == b32);
  48   a = -b32; VERIFY (a == a32);
  49 }
  50
  51 void
  52 unary_plus_64 (void)
  53 {
  54   bool test __attribute__((unused)) = true;
  55   decimal64 a;
  56
  57   a = +a64; VERIFY (a == a64);
  58   a = +b64; VERIFY (a == b64);
  59 }
  60
  61 void
  62 unary_minus_64 (void)
  63 {
  64   bool test __attribute__((unused)) = true;
  65   decimal64 a;
  66
  67   a = -a64; VERIFY (a == b64);
  68   a = -b64; VERIFY (a == a64);
  69 }
  70
  71 void
  72 unary_plus_128 (void)
  73 {
  74   bool test __attribute__((unused)) = true;
  75   decimal128 a;
  76
  77   a = +a128; VERIFY (a == a128);
  78   a = +b128; VERIFY (a == b128);
  79 }
  80
  81 void
  82 unary_minus_128 (void)
  83 {
  84   bool test __attribute__((unused)) = true;
  85   decimal128 a;
  86
  87   a = -a128; VERIFY (a == b128);
  88   a = -b128; VERIFY (a == a128);
  89 }
  90
  91 int main ()
  92 {
  93   unary_plus_32 ();
  94   unary_minus_32 ();
  95   unary_plus_64 ();
  96   unary_minus_64 ();
  97   unary_plus_128 ();
  98   unary_minus_128 ();
  99 }