1 files changed, 41 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/gomp/appendix-a/a.12.1.c b/gcc/testsuite/gcc.dg/gomp/appendix-a/a.12.1.c
new file mode 100644
index 000000000..fab948dd7
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/gomp/appendix-a/a.12.1.c
@@ -0,0 +1,41 @@
+/* { dg-do compile } */
+
+#include <stdio.h>
+extern float average (float, float, float);
+void
+a12 (float *x, float *xold, int n, float tol)
+{
+  int c, i, toobig;
+  float error, y;
+  c = 0;
+#pragma omp parallel
+  {
+    do
+      {
+#pragma omp for private(i)
+	for (i = 1; i < n - 1; ++i)
+	  {
+	    xold[i] = x[i];
+	  }
+#pragma omp single
+	{
+	  toobig = 0;
+	}
+#pragma omp for private(i,y,error) reduction(+:toobig)
+	for (i = 1; i < n - 1; ++i)
+	  {
+	    y = x[i];
+	    x[i] = average (xold[i - 1], x[i], xold[i + 1]);
+	    error = y - x[i];
+	    if (error > tol || error < -tol)
+	      ++toobig;
+	  }
+#pragma omp master
+	{
+	  ++c;
+	  printf ("iteration %d, toobig=%d\n", c, toobig);
+	}
+      }
+    while (toobig > 0);
+  }
+}