Imported gcc-4.4.3

[msp430-gcc.git] / libgomp / testsuite / libgomp.c / omp_orphan.c

diff --git a/libgomp/testsuite/libgomp.c/omp_orphan.c b/libgomp/testsuite/libgomp.c/omp_orphan.c
new file mode 100644 (file)
index 0000000..cbf7abf
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/omp_orphan.c
@@ -0,0 +1,47 @@
+/******************************************************************************
+* FILE: omp_orphan.c
+* DESCRIPTION:
+*   OpenMP Example - Parallel region with an orphaned directive - C/C++ Version
+*   This example demonstrates a dot product  being performed by an orphaned
+*   loop reduction construct.  Scoping of the reduction variable is critical.
+* AUTHOR: Blaise Barney  5/99
+* LAST REVISED: 04/06/05
+******************************************************************************/
+#include <omp.h>
+#include <stdio.h>
+#include <stdlib.h>
+#define VECLEN 100
+
+float a[VECLEN], b[VECLEN], sum;
+
+float dotprod ()
+{
+int i,tid;
+
+tid = omp_get_thread_num();
+#pragma omp for reduction(+:sum)
+  for (i=0; i < VECLEN; i++)
+    {
+    sum = sum + (a[i]*b[i]);
+    printf("  tid= %d i=%d\n",tid,i);
+    }
+
+return(sum);
+}
+
+
+int main (int argc, char *argv[]) 
+{
+int i;
+
+for (i=0; i < VECLEN; i++)
+  a[i] = b[i] = 1.0 * i;
+sum = 0.0;
+
+#pragma omp parallel
+  sum = dotprod();
+
+printf("Sum = %f\n",sum);
+
+  return 0;
+}