aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/gcc.target/powerpc/pr46728-14.c
blob: 5affff13bdb6c7f8cc5ba1f0d0b3c30507397e1b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
/* { dg-do run } */
/* { dg-skip-if "-mpowerpc-gpopt not supported" { powerpc*-*-darwin* } } */
/* { dg-options "-O2 -ffast-math -fno-inline -fno-unroll-loops -lm -mpowerpc-gpopt" } */

#include <math.h>

extern void abort (void);

#define NVALS 6

static double
convert_it_1 (double x)
{
  return pow (x, 1.5);
}

static double
convert_it_2 (double x)
{
  return pow (x, 2.5);
}

static double
convert_it_3 (double x)
{
  return pow (x, -0.5);
}

static double
convert_it_4 (double x)
{
  return pow (x, 10.5);
}

static double
convert_it_5 (double x)
{
  return pow (x, -3.5);
}

int
main (int argc, char *argv[])
{
  double values[NVALS] = { 3.0, 1.95, 2.227, 4.0, 256.0, .0008797 };
  double PREC = .999999;
  unsigned i;

  for (i = 0; i < NVALS; i++)
    {
      volatile double x, y;

      x = sqrt (values[i]);
      y = __builtin_powi (values[i], 1);
      if (fabs (convert_it_1 (values[i]) / (x * y)) < PREC)
	abort ();

      x = sqrt (values[i]);
      y = __builtin_powi (values[i], 2);
      if (fabs (convert_it_2 (values[i]) / (x * y)) < PREC)
	abort ();

      x = sqrt (values[i]);
      y = __builtin_powi (values[i], -1);
      if (fabs (convert_it_3 (values[i]) / (x * y)) < PREC)
	abort ();

      x = sqrt (values[i]);
      y = __builtin_powi (values[i], 10);
      if (fabs (convert_it_4 (values[i]) / (x * y)) < PREC)
	abort ();

      x = sqrt (values[i]);
      y = __builtin_powi (values[i], -4);
      if (fabs (convert_it_5 (values[i]) / (x * y)) < PREC)
	abort ();
    }

  return 0;
}