File: udr-8.C

package info (click to toggle)
gcc-avr 1%3A5.4.0%2BAtmel3.6.1-2
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 589,832 kB
  • sloc: ansic: 2,775,567; ada: 756,757; cpp: 723,977; f90: 117,673; asm: 66,896; makefile: 62,755; xml: 44,466; sh: 29,549; exp: 23,315; objc: 15,216; fortran: 10,901; pascal: 4,185; python: 4,093; perl: 2,969; awk: 2,811; ml: 2,385; cs: 879; yacc: 316; lex: 198; haskell: 112; lisp: 8
file content (39 lines) | stat: -rw-r--r-- 575 bytes parent folder | download | duplicates (6) 
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
 
// { dg-do run }

extern "C" void abort ();

struct S;
void foo (S *, S *);
void bar (S &, S &);
#pragma omp declare reduction (+:S:foo (&omp_out, &omp_in))
#pragma omp declare reduction (*:S:bar (omp_out, omp_in))
struct S { int s; S () : s (0) {} };

void
foo (S *x, S *y)
{
  x->s += y->s;
}

void
bar (S &x, S &y)
{
  x.s += y.s;
}

int
main ()
{
  S s, t;
  int i = 0;
  #pragma omp parallel reduction (+:s, i) reduction (*:t)
  {
    if (s.s != 0 || t.s != 0)
      abort ();
    s.s = 2;
    t.s = 3;
    i = 1;
  }
  if (s.s != 2 * i || t.s != 3 * i)
    abort ();
}