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

   1 // Copyright (C) 2009-2020 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   decimal32 a;
  35
  36   a = +a32; VERIFY (a == a32);
  37   a = +b32; VERIFY (a == b32);
  38 }
  39
  40 void
  41 unary_minus_32 (void)
  42 {
  43   decimal32 a;
  44
  45   a = -a32; VERIFY (a == b32);
  46   a = -b32; VERIFY (a == a32);
  47 }
  48
  49 void
  50 unary_plus_64 (void)
  51 {
  52   decimal64 a;
  53
  54   a = +a64; VERIFY (a == a64);
  55   a = +b64; VERIFY (a == b64);
  56 }
  57
  58 void
  59 unary_minus_64 (void)
  60 {
  61   decimal64 a;
  62
  63   a = -a64; VERIFY (a == b64);
  64   a = -b64; VERIFY (a == a64);
  65 }
  66
  67 void
  68 unary_plus_128 (void)
  69 {
  70   decimal128 a;
  71
  72   a = +a128; VERIFY (a == a128);
  73   a = +b128; VERIFY (a == b128);
  74 }
  75
  76 void
  77 unary_minus_128 (void)
  78 {
  79   decimal128 a;
  80
  81   a = -a128; VERIFY (a == b128);
  82   a = -b128; VERIFY (a == a128);
  83 }
  84
  85 int main ()
  86 {
  87   unary_plus_32 ();
  88   unary_minus_32 ();
  89   unary_plus_64 ();
  90   unary_minus_64 ();
  91   unary_plus_128 ();
  92   unary_minus_128 ();
  93 }