gnu/dist/gcc4/gcc/testsuite/gcc.c-torture/execute/ieee/fp-cmp-4.c

   1 #ifndef FLOAT
   2 #define FLOAT double
   3 #endif
   4
   5 void
   6 test_isunordered(FLOAT x, FLOAT y, int true)
   7 {
   8   if (__builtin_isunordered(x, y))
   9     {
  10       if (! true)
  11         abort ();
  12     }
  13   else
  14     {
  15       if (true)
  16         abort ();
  17     }
  18 }
  19
  20 void
  21 test_isless(FLOAT x, FLOAT y, int true)
  22 {
  23   if (__builtin_isless(x, y))
  24     {
  25       if (! true)
  26         abort ();
  27     }
  28   else
  29     {
  30       if (true)
  31         abort ();
  32     }
  33 }
  34
  35 void
  36 test_islessequal(FLOAT x, FLOAT y, int true)
  37 {
  38   if (__builtin_islessequal(x, y))
  39     {
  40       if (! true)
  41         abort ();
  42     }
  43   else
  44     {
  45       if (true)
  46         abort ();
  47     }
  48 }
  49
  50 void
  51 test_isgreater(FLOAT x, FLOAT y, int true)
  52 {
  53   if (__builtin_isgreater(x, y))
  54     {
  55       if (! true)
  56         abort ();
  57     }
  58   else
  59     {
  60       if (true)
  61         abort ();
  62     }
  63 }
  64
  65 void
  66 test_isgreaterequal(FLOAT x, FLOAT y, int true)
  67 {
  68   if (__builtin_isgreaterequal(x, y))
  69     {
  70       if (! true)
  71         abort ();
  72     }
  73   else
  74     {
  75       if (true)
  76         abort ();
  77     }
  78 }
  79
  80 void
  81 test_islessgreater(FLOAT x, FLOAT y, int true)
  82 {
  83   if (__builtin_islessgreater(x, y))
  84     {
  85       if (! true)
  86         abort ();
  87     }
  88   else
  89     {
  90       if (true)
  91         abort ();
  92     }
  93 }
  94
  95 #define NAN (0.0 / 0.0)
  96
  97 int
  98 main()
  99 {
 100   struct try
 101   {
 102     FLOAT x, y;
 103     unsigned unord : 1;
 104     unsigned lt : 1;
 105     unsigned le : 1;
 106     unsigned gt : 1;
 107     unsigned ge : 1;
 108     unsigned lg : 1;
 109   };
 110
 111   static struct try const data[] =
 112   {
 113     { NAN, NAN, 1, 0, 0, 0, 0, 0 },
 114     { 0.0, NAN, 1, 0, 0, 0, 0, 0 },
 115     { NAN, 0.0, 1, 0, 0, 0, 0, 0 },
 116     { 0.0, 0.0, 0, 0, 1, 0, 1, 0 },
 117     { 1.0, 2.0, 0, 1, 1, 0, 0, 1 },
 118     { 2.0, 1.0, 0, 0, 0, 1, 1, 1 },
 119   };
 120
 121   const int n = sizeof(data) / sizeof(data[0]);
 122   int i;
 123
 124   for (i = 0; i < n; ++i)
 125     {
 126       test_isunordered (data[i].x, data[i].y, data[i].unord);
 127       test_isless (data[i].x, data[i].y, data[i].lt);
 128       test_islessequal (data[i].x, data[i].y, data[i].le);
 129       test_isgreater (data[i].x, data[i].y, data[i].gt);
 130       test_isgreaterequal (data[i].x, data[i].y, data[i].ge);
 131       test_islessgreater (data[i].x, data[i].y, data[i].lg);
 132     }
 133
 134   exit (0);
 135 }