File: pr46728-11.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A8-2019-q3-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 571,828 kB
  • sloc: ansic: 2,937,651; cpp: 881,644; ada: 597,189; makefile: 65,528; asm: 56,499; xml: 46,621; exp: 24,747; sh: 19,684; python: 7,256; pascal: 4,370; awk: 3,497; perl: 2,695; yacc: 316; ml: 285; f90: 234; lex: 198; objc: 194; haskell: 119
file content (35 lines) | stat: -rw-r--r-- 680 bytes parent folder | download | duplicates (10) 
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
 
/* { 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 (double x)
{
  return pow (x, 0.75);
}

int
main (int argc, char *argv[])
{
  double values[NVALS] = { 3.0, 1.95, 2.227, 4.0, 256.0, .0008797 };
  double PREC = 0.999999;
  unsigned i;

  for (i = 0; i < NVALS; i++)
    {
      volatile double x, y;
      x = sqrt (values[i]);
      y = sqrt (sqrt (values[i]));
  
      if (fabs (convert_it (values[i]) / (x * y)) < PREC)
	abort ();
    }

  return 0;
}