old-autovect-branch/gcc/testsuite/gcc.dg/torture/builtin-math-1.c

   1 /* Copyright (C) 2002, 2003, 2004  Free Software Foundation.
   2
   3    Verify that built-in math function constant folding of constant
   4    arguments is correctly performed by the compiler.
   5
   6    Written by Roger Sayle, 16th August 2002.  */
   7
   8 /* { dg-do link } */
   9
  10 extern double atan (double);
  11 extern float atanf (float);
  12 extern long double atanl (long double);
  13 extern double cbrt (double);
  14 extern float cbrtf (float);
  15 extern long double cbrtl (long double);
  16 extern double cos (double);
  17 extern float cosf (float);
  18 extern long double cosl (long double);
  19 extern double exp (double);
  20 extern float expf (float);
  21 extern long double expl (long double);
  22 extern double log (double);
  23 extern float logf (float);
  24 extern long double logl (long double);
  25 extern double pow (double, double);
  26 extern float powf (float, float);
  27 extern long double powl (long double, long double);
  28 extern double sin (double);
  29 extern float sinf (float);
  30 extern long double sinl (long double);
  31 extern double sqrt (double);
  32 extern float sqrtf (float);
  33 extern long double sqrtl (long double);
  34 extern double tan (double);
  35 extern float tanf (float);
  36 extern long double tanl (long double);
  37
  38 /* All references to link_error should go away at compile-time.  */
  39 extern void link_error(void);
  40
  41 void test (float f, double d, long double ld)
  42 {
  43   if (sqrt (0.0) != 0.0)
  44     link_error ();
  45
  46   if (sqrt (1.0) != 1.0)
  47     link_error ();
  48
  49   if (cbrt (0.0) != 0.0)
  50     link_error ();
  51
  52   if (cbrt (1.0) != 1.0)
  53     link_error ();
  54
  55   if (cbrt (-1.0) != -1.0)
  56     link_error ();
  57
  58   if (exp (0.0) != 1.0)
  59     link_error ();
  60
  61   if (exp (1.0) <= 2.71 || exp (1.0) >= 2.72)
  62     link_error ();
  63
  64   if (log (1.0) != 0.0)
  65     link_error ();
  66
  67   if (sin (0.0) != 0.0)
  68     link_error ();
  69
  70   if (cos (0.0) != 1.0)
  71     link_error ();
  72
  73   if (tan (0.0) != 0.0)
  74     link_error ();
  75
  76   if (atan (0.0) != 0.0)
  77     link_error ();
  78
  79   if (4.0*atan (1.0) <= 3.14 || 4.0*atan (1.0) >= 3.15)
  80     link_error ();
  81
  82   if (pow (d, 0.0) != 1.0)
  83     link_error ();
  84
  85   if (pow (1.0, d) != 1.0)
  86     link_error ();
  87
  88
  89   if (sqrtf (0.0F) != 0.0F)
  90     link_error ();
  91
  92   if (sqrtf (1.0F) != 1.0F)
  93     link_error ();
  94
  95   if (cbrtf (0.0F) != 0.0F)
  96     link_error ();
  97
  98   if (cbrtf (1.0F) != 1.0F)
  99     link_error ();
 100
 101   if (cbrtf (-1.0F) != -1.0F)
 102     link_error ();
 103
 104   if (expf (0.0F) != 1.0F)
 105     link_error ();
 106
 107   if (expf (1.0F) <= 2.71F || expf (1.0F) >= 2.72F)
 108     link_error ();
 109
 110   if (logf (1.0F) != 0.0F)
 111     link_error ();
 112
 113   if (sinf (0.0F) != 0.0F)
 114     link_error ();
 115
 116   if (cosf (0.0F) != 1.0F)
 117     link_error ();
 118
 119   if (tanf (0.0F) != 0.0F)
 120     link_error ();
 121
 122   if (atanf (0.0F) != 0.0F)
 123     link_error ();
 124
 125   if (4.0F*atanf (1.0F) <= 3.14F || 4.0F*atanf (1.0F) >= 3.15F)
 126     link_error ();
 127
 128   if (powf (f, 0.0F) != 1.0F)
 129     link_error ();
 130
 131   if (powf (1.0F, f) != 1.0F)
 132     link_error ();
 133
 134
 135   if (sqrtl (0.0L) != 0.0L)
 136     link_error ();
 137
 138   if (sqrtl (1.0L) != 1.0L)
 139     link_error ();
 140
 141   if (cbrtl (0.0L) != 0.0L)
 142     link_error ();
 143
 144   if (cbrtl (1.0L) != 1.0L)
 145     link_error ();
 146
 147   if (cbrtl (-1.0L) != -1.0L)
 148     link_error ();
 149
 150   if (expl (0.0L) != 1.0L)
 151     link_error ();
 152
 153   if (expl (1.0L) <= 2.71L || expl (1.0L) >= 2.72L)
 154     link_error ();
 155
 156   if (logl (1.0L) != 0.0L)
 157     link_error ();
 158
 159   if (sinl (0.0L) != 0.0L)
 160     link_error ();
 161
 162   if (cosl (0.0L) != 1.0L)
 163     link_error ();
 164
 165   if (tanl (0.0L) != 0.0L)
 166     link_error ();
 167
 168   if (atanl (0.0) != 0.0L)
 169     link_error ();
 170
 171   if (4.0L*atanl (1.0L) <= 3.14L || 4.0L*atanl (1.0L) >= 3.15L)
 172     link_error ();
 173
 174   if (powl (ld, 0.0L) != 1.0L)
 175     link_error ();
 176
 177   if (powl (1.0L, ld) != 1.0L)
 178     link_error ();
 179 }
 180
 181 int main()
 182 {
 183   test (3.0, 3.0F, 3.0L);
 184
 185   return 0;
 186 }