From a11ea57574f302449c14b6e892deb4ccdab15289 Mon Sep 17 00:00:00 2001
From: Cameron Gilchrist <clmgilchrist@gmail.com>
Date: Fri, 13 Sep 2024 11:34:12 +0900
Subject: [PATCH] fix uninitialised sum

---
 src/commons/MSA.cpp              | 2 ++
 src/strucclustutils/msa2lddt.cpp | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/commons/MSA.cpp b/src/commons/MSA.cpp
index 47fc019..4e3f344 100644
--- a/src/commons/MSA.cpp
+++ b/src/commons/MSA.cpp
@@ -79,6 +79,8 @@ void MSAContainer::remove(std::vector<size_t> &toRemove) {
 }
 
 void MSAContainer::addStructure(size_t id, unsigned int key, size_t length, const char* aa, const char* ss) {
+    cigars_aa[id].reserve(length);
+    cigars_ss[id].reserve(length);
     for (size_t j = 0; j < length; j++) {
         cigars_aa[id].emplace_back(aa[j]);
         cigars_ss[id].emplace_back(ss[j]);
diff --git a/src/strucclustutils/msa2lddt.cpp b/src/strucclustutils/msa2lddt.cpp
index 2ceac8e..16ae2ae 100644
--- a/src/strucclustutils/msa2lddt.cpp
+++ b/src/strucclustutils/msa2lddt.cpp
@@ -185,7 +185,7 @@ double calculate_lddt_pair(
         &targetCaData[result.dbLen * 2]
     );
 
-    double sum;
+    double sum = 0.0;
     for (int i = 0; i < lddtres.scoreLength; i++) {
         sum += lddtres.perCaLddtScore[i];
     }