Imported gcc-4.4.3

[msp430-gcc.git] / libgomp / testsuite / libgomp.c / omp-loop01.c

diff --git a/libgomp/testsuite/libgomp.c/omp-loop01.c b/libgomp/testsuite/libgomp.c/omp-loop01.c
new file mode 100644 (file)
index 0000000..0e83c95
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/omp-loop01.c
@@ -0,0 +1,96 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <omp.h>
+
+#define MAX    1000
+
+void main1()
+{
+  int i, N1, N2, step;
+  int a[MAX], b[MAX];
+
+  N1 = rand () % 13;
+  N2 = rand () % (MAX - 51) + 50;
+  step = rand () % 7 + 1;
+
+  printf ("N1 = %d\nN2 = %d\nstep = %d\n", N1, N2, step);
+
+  for (i = N1; i <= N2; i += step)
+    a[i] = 42+ i;
+
+  /* COUNTING UP (<).  Fill in array 'b' in parallel.  */
+  memset (b, 0, sizeof b);
+#pragma omp parallel shared(a,b,N1,N2,step) private(i)
+  {
+#pragma omp for
+    for (i = N1; i < N2; i += step)
+      b[i] = a[i];
+  }
+
+  /* COUNTING UP (<).  Check that all the cells were filled in properly.  */
+  for (i = N1; i < N2; i += step)
+    if (a[i] != b[i])
+      abort ();
+
+  printf ("for (i = %d; i < %d; i += %d) [OK]\n", N1, N2, step);
+
+  /* COUNTING UP (<=).  Fill in array 'b' in parallel.  */
+  memset (b, 0, sizeof b);
+#pragma omp parallel shared(a,b,N1,N2,step) private(i)
+  {
+#pragma omp for
+    for (i = N1; i <= N2; i += step)
+      b[i] = a[i];
+  }
+
+  /* COUNTING UP (<=).  Check that all the cells were filled in properly.  */
+  for (i = N1; i <= N2; i += step)
+    if (a[i] != b[i])
+      abort ();
+
+  printf ("for (i = %d; i <= %d; i += %d) [OK]\n", N1, N2, step);
+
+  /* COUNTING DOWN (>).  Fill in array 'b' in parallel.  */
+  memset (b, 0, sizeof b);
+#pragma omp parallel shared(a,b,N1,N2,step) private(i)
+  {
+#pragma omp for
+    for (i = N2; i > N1; i -= step)
+      b[i] = a[i];
+  }
+
+  /* COUNTING DOWN (>).  Check that all the cells were filled in properly.  */
+  for (i = N2; i > N1; i -= step)
+    if (a[i] != b[i])
+      abort ();
+
+  printf ("for (i = %d; i > %d; i -= %d) [OK]\n", N2, N1, step);
+
+  /* COUNTING DOWN (>=).  Fill in array 'b' in parallel.  */
+  memset (b, 0, sizeof b);
+#pragma omp parallel shared(a,b,N1,N2,step) private(i)
+  {
+#pragma omp for
+    for (i = N2; i >= N1; i -= step)
+      b[i] = a[i];
+  }
+
+  /* COUNTING DOWN (>=).  Check that all the cells were filled in properly.  */
+  for (i = N2; i >= N1; i -= step)
+    if (a[i] != b[i])
+      abort ();
+
+  printf ("for (i = %d; i >= %d; i -= %d) [OK]\n", N2, N1, step);
+}
+
+int
+main ()
+{
+  int i;
+
+  srand (0);
+  for (i = 0; i < 10; ++i)
+    main1();
+  return 0;
+}