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-rw-r--r--src/base/random.hh7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/base/random.hh b/src/base/random.hh
index b74a7c4a2..b7e2a5073 100644
--- a/src/base/random.hh
+++ b/src/base/random.hh
@@ -29,6 +29,13 @@
* Ali Saidi
*/
+/*
+ * Mersenne Twister random number generator has a period of
+ * 2^19937-1.
+ *
+ * The actual math is in its own file to keep the license clear.
+ */
+
#ifndef __BASE_RANDOM_HH__
#define __BASE_RANDOM_HH__