From e3e1a17ba528abdf4390eb284eda975aaf21aa17 Mon Sep 17 00:00:00 2001
From: Angelos Mantzaflaris <Angelos.Mantzaflaris@oeaw.ac.at>
Date: Thu, 7 Dec 2017 23:55:28 +0100
Subject: [PATCH] shorten if statement and add brackets

---
 exprtk.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/exprtk.hpp b/exprtk.hpp
index 3535ca0..88f96e3 100644
--- a/exprtk.hpp
+++ b/exprtk.hpp
@@ -17058,7 +17058,7 @@ namespace exprtk
       inline bool add_function(const std::string& function_name, ff##NN##_functor function) \
       {                                                                                     \
          if (!valid() || !valid_symbol(function_name) || symbol_exists(function_name))      \
-	   {return false;}                                                                  \
+           {return false;}                                                                  \
                                                                                             \
          exprtk::ifunction<T>* ifunc = new freefunc##NN(function);                          \
                                                                                             \