gcc/libgomp/testsuite/libgomp.c++/udr-8.C

40 lines
575 B
C

// { 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 ();
}