aboutsummaryrefslogtreecommitdiff
path: root/libgomp/testsuite/libgomp.c++/task-reduction-9.C
diff options
context:
space:
mode:
Diffstat (limited to 'libgomp/testsuite/libgomp.c++/task-reduction-9.C')
-rw-r--r--libgomp/testsuite/libgomp.c++/task-reduction-9.C128
1 files changed, 128 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.c++/task-reduction-9.C b/libgomp/testsuite/libgomp.c++/task-reduction-9.C
new file mode 100644
index 0000000..068a7bb
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c++/task-reduction-9.C
@@ -0,0 +1,128 @@
+#include <omp.h>
+#include <stdlib.h>
+
+struct S { S (); S (long int, long int); ~S (); static int cnt1, cnt2, cnt3; long int s, t; };
+
+int S::cnt1;
+int S::cnt2;
+int S::cnt3;
+
+S::S ()
+{
+ #pragma omp atomic
+ cnt1++;
+}
+
+S::S (long int x, long int y) : s (x), t (y)
+{
+ #pragma omp atomic update
+ ++cnt2;
+}
+
+S::~S ()
+{
+ #pragma omp atomic
+ cnt3 = cnt3 + 1;
+ if (t < 3 || t > 9 || (t & 1) == 0)
+ abort ();
+}
+
+void
+bar (S *p, S *o)
+{
+ p->s = 1;
+ if (o->t != 5)
+ abort ();
+ p->t = 9;
+}
+
+static inline void
+baz (S *o, S *i)
+{
+ if (o->t != 5 || i->t != 9)
+ abort ();
+ o->s *= i->s;
+}
+
+#pragma omp declare reduction (+: S : omp_out.s += omp_in.s) initializer (omp_priv (0, 3))
+#pragma omp declare reduction (*: S : baz (&omp_out, &omp_in)) initializer (bar (&omp_priv, &omp_orig))
+
+S a = { 0, 7 };
+S b (1, 5);
+
+void
+foo ()
+{
+ int i;
+ for (i = 0; i < 2; i++)
+ #pragma omp task in_reduction (*: b) in_reduction (+: a)
+ {
+ a.s += 7;
+ b.s *= 2;
+ if ((a.t != 7 && a.t != 3) || (b.t != 5 && b.t != 9))
+ abort ();
+ }
+}
+
+void
+test ()
+{
+ S c = { 0, 7 };
+ int t;
+ #pragma omp parallel num_threads (1)
+ {
+ S d (1, 5);
+ int r = 0;
+ #pragma omp parallel reduction (task, +: a, c) reduction (task, *: b, d) \
+ reduction (+: r)
+ {
+ int i;
+ #pragma omp master
+ t = omp_get_num_threads ();
+ r++;
+ a.s += 3;
+ c.s += 4;
+ #pragma omp for
+ for (i = 0; i < 4; i++)
+ #pragma omp task in_reduction (*: b, d) in_reduction (+: a, c)
+ {
+ int j;
+ a.s += 7;
+ b.s *= 2;
+ for (j = 0; j < 2; j++)
+ #pragma omp task in_reduction (+: a) in_reduction (*: b) \
+ in_reduction (+: c) in_reduction (*: d)
+ {
+ a.s += 7;
+ b.s *= 2;
+ c.s += 9;
+ d.s *= 3;
+ foo ();
+ if ((a.t != 7 && a.t != 3) || (b.t != 5 && b.t != 9)
+ || (c.t != 7 && c.t != 3) || (d.t != 5 && d.t != 9))
+ abort ();
+ }
+ c.s += 9;
+ d.s *= 3;
+ if ((a.t != 7 && a.t != 3) || (b.t != 5 && b.t != 9)
+ || (c.t != 7 && c.t != 3) || (d.t != 5 && d.t != 9))
+ abort ();
+ }
+ }
+#define THREEP4 (3L * 3L * 3L * 3L)
+ if (d.s != (THREEP4 * THREEP4 * THREEP4) || d.t != 5 || r != t)
+ abort ();
+ }
+ if (a.s != 28 * 7 + 3 * t || a.t != 7 || b.s != (1L << 28) || b.t != 5
+ || c.s != 12 * 9 + 4 * t || c.t != 7)
+ abort ();
+}
+
+int
+main ()
+{
+ int c1 = S::cnt1, c2 = S::cnt2, c3 = S::cnt3;
+ test ();
+ if (S::cnt1 + S::cnt2 - c1 - c2 != S::cnt3 - c3)
+ abort ();
+}