libstdc++-v3/testsuite/decimal/compound-assignment.cc

   1 // Copyright (C) 2009-2014 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
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   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  3.2.2.6  Compound assignment (decimal32).
  21 // ISO/IEC TR 24733  3.2.3.6  Compound assignment (decimal64).
  22 // ISO/IEC TR 24733  3.2.4.6  Compound assignment (decimal128).
  23
  24 #include <decimal/decimal>
  25 #include <testsuite_hooks.h>
  26
  27 using namespace std::decimal;
  28
  29 decimal32 d32 (5);
  30 decimal64 d64 (-10);
  31 decimal128 d128 (25);
  32 int si = -2;
  33 unsigned int ui = 5;
  34 long sl = -10;
  35 unsigned long ul = 20;
  36 long long sll = -25;
  37 unsigned long long ull = 50;
  38
  39 void
  40 compound_assignment_add_32 (void)
  41 {
  42   bool test __attribute__((unused)) = true;
  43   decimal32 a (1000), b;
  44
  45   b = a; b += d32;  VERIFY (b == 1005);
  46   b = a; b += d64;  VERIFY (b == 990);
  47   b = a; b += d128; VERIFY (b == 1025);
  48   b = a; b += si;   VERIFY (b == 998);
  49   b = a; b += ui;   VERIFY (b == 1005);
  50   b = a; b += sl;   VERIFY (b == 990);
  51   b = a; b += ul;   VERIFY (b == 1020);
  52   b = a; b += sll;  VERIFY (b == 975);
  53   b = a; b += ull;  VERIFY (b == 1050);
  54 }
  55
  56 void
  57 compound_assignment_subtract_32 (void)
  58 {
  59   bool test __attribute__((unused)) = true;
  60   decimal32 a (1000), b;
  61
  62   b = a; b -= d32;  VERIFY (b == 995);
  63   b = a; b -= d64;  VERIFY (b == 1010);
  64   b = a; b -= d128; VERIFY (b == 975);
  65   b = a; b -= si;   VERIFY (b == 1002);
  66   b = a; b -= ui;   VERIFY (b == 995);
  67   b = a; b -= sl;   VERIFY (b == 1010);
  68   b = a; b -= ul;   VERIFY (b == 980);
  69   b = a; b -= sll;  VERIFY (b == 1025);
  70   b = a; b -= ull;  VERIFY (b == 950);
  71 }
  72
  73 void
  74 compound_assignment_multiply_32 (void)
  75 {
  76   bool test __attribute__((unused)) = true;
  77   decimal32 a (1000), b;
  78
  79   b = a; b *= d32;  VERIFY (b == 5000);
  80   b = a; b *= d64;  VERIFY (b == -10000);
  81   b = a; b *= d128; VERIFY (b == 25000);
  82   b = a; b *= si;   VERIFY (b == -2000);
  83   b = a; b *= ui;   VERIFY (b == 5000);
  84   b = a; b *= sl;   VERIFY (b == -10000);
  85   b = a; b *= ul;   VERIFY (b == 20000);
  86   b = a; b *= sll;  VERIFY (b == -25000);
  87   b = a; b *= ull;  VERIFY (b == 50000);
  88 }
  89
  90 void
  91 compound_assignment_divide_32 (void)
  92 {
  93   bool test __attribute__((unused)) = true;
  94   decimal32 a (1000), b;
  95
  96   b = a; b /= d32;  VERIFY (b == 200);
  97   b = a; b /= d64;  VERIFY (b == -100);
  98   b = a; b /= d128; VERIFY (b == 40);
  99   b = a; b /= si;   VERIFY (b == -500);
 100   b = a; b /= ui;   VERIFY (b == 200);
 101   b = a; b /= sl;   VERIFY (b == -100);
 102   b = a; b /= ul;   VERIFY (b == 50);
 103   b = a; b /= sll;  VERIFY (b == -40);
 104   b = a; b /= ull;  VERIFY (b == 20);
 105 }
 106
 107 void
 108 compound_assignment_add_64 (void)
 109 {
 110   bool test __attribute__((unused)) = true;
 111   decimal64 a (1000), b;
 112
 113   b = a; b += d32;  VERIFY (b == 1005);
 114   b = a; b += d64;  VERIFY (b == 990);
 115   b = a; b += d128; VERIFY (b == 1025);
 116   b = a; b += si;   VERIFY (b == 998);
 117   b = a; b += ui;   VERIFY (b == 1005);
 118   b = a; b += sl;   VERIFY (b == 990);
 119   b = a; b += ul;   VERIFY (b == 1020);
 120   b = a; b += sll;  VERIFY (b == 975);
 121   b = a; b += ull;  VERIFY (b == 1050);
 122 }
 123
 124 void
 125 compound_assignment_subtract_64 (void)
 126 {
 127   bool test __attribute__((unused)) = true;
 128   decimal64 a (1000), b;
 129
 130   b = a; b -= d32;  VERIFY (b == 995);
 131   b = a; b -= d64;  VERIFY (b == 1010);
 132   b = a; b -= d128; VERIFY (b == 975);
 133   b = a; b -= si;   VERIFY (b == 1002);
 134   b = a; b -= ui;   VERIFY (b == 995);
 135   b = a; b -= sl;   VERIFY (b == 1010);
 136   b = a; b -= ul;   VERIFY (b == 980);
 137   b = a; b -= sll;  VERIFY (b == 1025);
 138   b = a; b -= ull;  VERIFY (b == 950);
 139 }
 140
 141 void
 142 compound_assignment_multiply_64 (void)
 143 {
 144   bool test __attribute__((unused)) = true;
 145   decimal64 a (1000), b;
 146
 147   b = a; b *= d32;  VERIFY (b == 5000);
 148   b = a; b *= d64;  VERIFY (b == -10000);
 149   b = a; b *= d128; VERIFY (b == 25000);
 150   b = a; b *= si;   VERIFY (b == -2000);
 151   b = a; b *= ui;   VERIFY (b == 5000);
 152   b = a; b *= sl;   VERIFY (b == -10000);
 153   b = a; b *= ul;   VERIFY (b == 20000);
 154   b = a; b *= sll;  VERIFY (b == -25000);
 155   b = a; b *= ull;  VERIFY (b == 50000);
 156 }
 157
 158 void
 159 compound_assignment_divide_64 (void)
 160 {
 161   bool test __attribute__((unused)) = true;
 162   decimal64 a (1000), b;
 163
 164   b = a; b /= d32;  VERIFY (b == 200);
 165   b = a; b /= d64;  VERIFY (b == -100);
 166   b = a; b /= d128; VERIFY (b == 40);
 167   b = a; b /= si;   VERIFY (b == -500);
 168   b = a; b /= ui;   VERIFY (b == 200);
 169   b = a; b /= sl;   VERIFY (b == -100);
 170   b = a; b /= ul;   VERIFY (b == 50);
 171   b = a; b /= sll;  VERIFY (b == -40);
 172   b = a; b /= ull;  VERIFY (b == 20);
 173 }
 174
 175 void
 176 compound_assignment_add_128 (void)
 177 {
 178   bool test __attribute__((unused)) = true;
 179   decimal128 a (1000), b;
 180
 181   b = a; b += d32;  VERIFY (b == 1005);
 182   b = a; b += d64;  VERIFY (b == 990);
 183   b = a; b += d128; VERIFY (b == 1025);
 184   b = a; b += si;   VERIFY (b == 998);
 185   b = a; b += ui;   VERIFY (b == 1005);
 186   b = a; b += sl;   VERIFY (b == 990);
 187   b = a; b += ul;   VERIFY (b == 1020);
 188   b = a; b += sll;  VERIFY (b == 975);
 189   b = a; b += ull;  VERIFY (b == 1050);
 190 }
 191
 192 void
 193 compound_assignment_subtract_128 (void)
 194 {
 195   bool test __attribute__((unused)) = true;
 196   decimal128 a (1000), b;
 197
 198   b = a; b -= d32;  VERIFY (b == 995);
 199   b = a; b -= d64;  VERIFY (b == 1010);
 200   b = a; b -= d128; VERIFY (b == 975);
 201   b = a; b -= si;   VERIFY (b == 1002);
 202   b = a; b -= ui;   VERIFY (b == 995);
 203   b = a; b -= sl;   VERIFY (b == 1010);
 204   b = a; b -= ul;   VERIFY (b == 980);
 205   b = a; b -= sll;  VERIFY (b == 1025);
 206   b = a; b -= ull;  VERIFY (b == 950);
 207 }
 208
 209 void
 210 compound_assignment_multiply_128 (void)
 211 {
 212   bool test __attribute__((unused)) = true;
 213   decimal128 a (1000), b;
 214
 215   b = a; b *= d32;  VERIFY (b == 5000);
 216   b = a; b *= d64;  VERIFY (b == -10000);
 217   b = a; b *= d128; VERIFY (b == 25000);
 218   b = a; b *= si;   VERIFY (b == -2000);
 219   b = a; b *= ui;   VERIFY (b == 5000);
 220   b = a; b *= sl;   VERIFY (b == -10000);
 221   b = a; b *= ul;   VERIFY (b == 20000);
 222   b = a; b *= sll;  VERIFY (b == -25000);
 223   b = a; b *= ull;  VERIFY (b == 50000);
 224 }
 225
 226 void
 227 compound_assignment_divide_128 (void)
 228 {
 229   bool test __attribute__((unused)) = true;
 230   decimal128 a (1000), b;
 231
 232   b = a; b /= d32;  VERIFY (b == 200);
 233   b = a; b /= d64;  VERIFY (b == -100);
 234   b = a; b /= d128; VERIFY (b == 40);
 235   b = a; b /= si;   VERIFY (b == -500);
 236   b = a; b /= ui;   VERIFY (b == 200);
 237   b = a; b /= sl;   VERIFY (b == -100);
 238   b = a; b /= ul;   VERIFY (b == 50);
 239   b = a; b /= sll;  VERIFY (b == -40);
 240   b = a; b /= ull;  VERIFY (b == 20);
 241 }
 242
 243 int
 244 main ()
 245 {
 246   compound_assignment_add_32 ();
 247   compound_assignment_subtract_32 ();
 248   compound_assignment_multiply_32 ();
 249   compound_assignment_divide_32 ();
 250
 251   compound_assignment_add_64 ();
 252   compound_assignment_subtract_64 ();
 253   compound_assignment_multiply_64 ();
 254   compound_assignment_divide_64 ();
 255
 256   compound_assignment_add_128 ();
 257   compound_assignment_subtract_128 ();
 258   compound_assignment_multiply_128 ();
 259   compound_assignment_divide_128 ();
 260 }