1 files changed, 34 insertions, 0 deletions
diff --git a/test/ccured_olden/em3d/util.c b/test/ccured_olden/em3d/util.c
new file mode 100644
index 00000000..3dc5592d
--- /dev/null
+++ b/test/ccured_olden/em3d/util.c
@@ -0,0 +1,34 @@
+#define CONST_seed 45
+#include <stdlib.h>
+
+/* initialize the random number generator for a particular processor */
+void init_random(int myid)
+{
+  srand48(myid*CONST_seed);
+}
+
+/* return a random number from 0 to range-1 */
+int gen_number(int range)
+{
+  return lrand48() % range;
+}
+
+/* return a random number in [-range+1,range-1] */
+int gen_signed_number(int range)
+{
+  int temp;
+ 
+  temp = lrand48() % (2*range-1);  /* 0..2*range-2 */
+  return temp-(range-1);
+}
+
+/* Generate a double from 0.0 to 1.0 */
+double gen_uniform_double()
+{
+  return drand48();
+}
+
+int check_percent(int percent)
+{
+  return (drand48() < (double) (percent/100.0));
+}