test: Parallize composite.c with OpenMP

Each test uses the test number as the random number seed; if it
didn't, all the threads would run the same tests since they would all
start from the same seed.

diff --git a/test/composite.c b/test/composite.c
index 3a06c09..216046f 100644 (file)
--- a/test/composite.c
+++ b/test/composite.c
@@ -891,15 +891,17 @@ main (int argc, char **argv)
            return -1;
        }
     }
-    
+
+#ifdef USE_OPENMP
+#   pragma omp parallel for default(none) shared(result) shared(argv) 
+#endif
     for (i = 1; i <= N_TESTS; ++i)
     {
-       if (!run_test (i))
+       if (!result && !run_test (i))
        {
            printf ("Test %d failed.\n", i);
-           
+
            result = i;
-           break;
        }
     }