doc(unitproc/.../sleepRand.py): Add comments

diff --git a/unitproc/python/sleepRand.py b/unitproc/python/sleepRand.py
index 76a32e10172aa696e911e11a068817a3fe9d6c33..27e98d7d520b0ac511c413145e98814c949ba649 100755 (executable)
--- a/unitproc/python/sleepRand.py
+++ b/unitproc/python/sleepRand.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # Desc: Pauses a random amount of time. Random distribution is inverse gaussian.
-# Version: 0.0.1
+# Version: 0.0.2
 # Depends: python 3.7.3
 # Usage: ./sleepRand.py arg1
 # Input: arg1: float seconds (mean of inverse gaussian distribution)
@@ -11,6 +11,10 @@ import math, time, random, sys
 # Define functions
 def randInvGau(mu, lam):
     """Returns random variate of inverse gaussian distribution"""
+    # input: mu:  mean of inverse gaussian distribution
+    #        lam: shape parameter
+    # output: float sampled from inv. gaus. with range 0 to infinity, mean mu
+    # example: sample = float(randInvGau(1.0,4.0));
     # Ref/Attrib: doi:10.1080/00031305.1976.10479147
     nu = random.gauss(0,1);
     y = nu ** 2;
@@ -38,4 +42,5 @@ delay = randInvGau(desMean, desMean * lambdaFactor);
 # Sleep
 time.sleep(float(delay));
 
-
+# Author: Steven Baltakatei Sandoal
+# License: GPLv3+