From 15a5471bef0222b4c6179971df4a5b172f0f3742 Mon Sep 17 00:00:00 2001
From: AndrewYongZhenNing <ayzn95@gmail.com>
Date: Fri, 14 Jan 2022 16:03:52 +0000
Subject: [PATCH] strTo<> now converts string of numbers to vector<Index>

---
 lib/Core/Utilities.hpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/lib/Core/Utilities.hpp b/lib/Core/Utilities.hpp
index 0ca5e4a..448fb46 100644
--- a/lib/Core/Utilities.hpp
+++ b/lib/Core/Utilities.hpp
@@ -108,6 +108,23 @@ inline std::string strFrom(const T x)
 }
 
 // specialization for vectors
+template<>
+inline std::vector<Index> strTo<std::vector<Index>>(const std::string &str)
+{
+    std::vector<Index>  res;
+    std::vector<double> vbuf;
+    double              buf;
+    std::istringstream  stream(str);
+    
+    while (!stream.eof())
+    {
+        stream >> buf;
+        vbuf.push_back(buf);
+    }
+    
+    return res;
+}
+
 template<>
 inline DVec strTo<DVec>(const std::string &str)
 {