Seed the numpy random number generator.

1 files changed, 3 insertions, 0 deletions

diff --git a/sim.py b/sim.py
index 579dae8..a7dc220 100755
--- a/sim.py
+++ b/sim.py
@@ -59,6 +59,9 @@ def main():
         options.seed = pick_seed()
 
     print >>sys.stderr, 'RNG seed:', options.seed
+    # We have three generators to seed: numpy.random, GEANT4, and CURAND.
+    # The latter two are done below
+    np.random.seed(options.seed)
 
     print >>sys.stderr, 'Creating generator...'
     if options.particle == 'pi0':