From 7addd07dc7a0f824fd8865a280419253509c97c2 Mon Sep 17 00:00:00 2001
From: bbod <bradybod@gmail.com>
Date: Mon, 30 Mar 2020 22:22:26 -0600
Subject: [PATCH] Auto Commit

---
 HW10/MakePermutationMatrix.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/HW10/MakePermutationMatrix.cpp b/HW10/MakePermutationMatrix.cpp
index fbca922..0666c15 100644
--- a/HW10/MakePermutationMatrix.cpp
+++ b/HW10/MakePermutationMatrix.cpp
@@ -20,7 +20,8 @@ std::vector<double> MakePermutationMatrix::MakePermutation(std::vector<City> sou
     returnVector.resize(source.size(), 0);
 
     //the "nextPerm" is the permutation to stop at.
-    std::rotate(nextPerm.begin(), nextPerm.begin()+(rank+1*vectorOffset), nextPerm.end());
+    if(rank != size)
+        std::rotate(nextPerm.begin(), nextPerm.begin()+(rank+1*vectorOffset), nextPerm.end());
     std::partial_sort(nextPerm.begin()+1, nextPerm.end(), nextPerm.end());
     //rotate my perm.
     std::rotate(myPerm.begin(), myPerm.begin()+(rank*vectorOffset),myPerm.end());