mono/tests/jit-float.cs

   1 using System;
   2
   3 public class TestJit {
   4
   5         public static int test_nan ()
   6         {
   7                 double nan1 = Double.NaN;
   8                 double nan2 = Double.NaN;
   9                 double neg_inf1 = Double.NegativeInfinity;
  10                 double neg_inf2 = Double.NegativeInfinity;
  11                 double pos_inf1 = Double.PositiveInfinity;
  12                 double pos_inf2 = Double.PositiveInfinity;
  13                 int err = 1;
  14
  15                 if (nan1 == nan2)
  16                         return err;
  17                 err++;
  18
  19                 if (!nan1.Equals(nan2))
  20                         return err;
  21
  22                 err++;
  23                 if (neg_inf1 != neg_inf2)
  24                         return err;
  25
  26                 err++;
  27                 if (!neg_inf1.Equals(neg_inf2))
  28                         return err;
  29
  30                 err++;
  31                 if (pos_inf1 != pos_inf2)
  32                         return err;
  33
  34                 err++;
  35                 if (!pos_inf1.Equals(pos_inf2))
  36                         return err;
  37
  38                 err++;
  39                 if (pos_inf1 == neg_inf1)
  40                         return err;
  41
  42                 err++;
  43                 if (pos_inf1.Equals (neg_inf1))
  44                         return err;
  45
  46                 err++;
  47                 if (pos_inf1 == nan1)
  48                         return err;
  49
  50                 return 0;
  51         }
  52
  53         public static double test_call (double a, double b) {
  54                 return a+b;
  55         }
  56
  57         public static int test_alu ()
  58         {
  59                 double a = 9, b = 6;
  60                 int err = 1;
  61
  62                 if ((a + b) != 15)
  63                         return err;
  64
  65                 err++;
  66                 if ((a - b) != 3)
  67                         return err;
  68
  69                 err++;
  70                 if ((a * b) != 54)
  71                         return err;
  72
  73                 err++;
  74                 if ((a / 4) != 2.25)
  75                         return err;
  76
  77                 err++;
  78                 if ((a % 4) != 1)
  79                         return err;
  80
  81                 err++;
  82                 if (-a != -9)
  83                         return err;
  84
  85                 return 0;
  86         }
  87
  88         public static int test_branch ()
  89         {
  90                 double a = 0.5, b = 0.5, t;
  91                 int err = 1;
  92
  93                 if (a == b) t = 1; else t = 0;
  94                 if (t != 1) return err;
  95
  96                 err++;
  97                 if (a != b) t = 0; else t = 1;
  98                 if (t != 1) return err;
  99
 100                 err++;
 101                 if (a >= b) t = 1; else t = 0;
 102                 if (t != 1) return err;
 103
 104                 err++;
 105                 if (a > b) t = 0; else t = 1;
 106                 if (t != 1) return err;
 107
 108                 err++;
 109                 if (a <= b) t = 1; else t = 0;
 110                 if (t != 1) return err;
 111
 112                 err++;
 113                 if (a < b) t = 0; else t = 1;
 114                 if (t != 1) return err;
 115
 116                 err++;
 117                 if (a > 1.0) return err;
 118
 119                 err++;
 120                 if (a < 0.1) return err;
 121
 122                 return 0;
 123         }
 124
 125         public static int Main() {
 126                 int num = 1;
 127
 128                 if (test_call (3, 5) != 8)
 129                         return num;
 130                 num++;
 131
 132                 if (test_branch () != 0)
 133                         return num;
 134                 num++;
 135
 136                 if (test_alu () != 0)
 137                         return num;
 138                 num++;
 139
 140                 if (test_nan () != 0)
 141                         return num;
 142                 num++;
 143
 144
 145                 return 0;
 146         }
 147 }
 148