From 04af215f5222ee26653ae985688fa7acac9b897d Mon Sep 17 00:00:00 2001
From: Ian Bell <ian.h.bell@gmail.com>
Date: Tue, 30 Dec 2014 17:20:29 -0500
Subject: [PATCH] Fix fraction formatting in PropsSI error message

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
---
 src/CoolProp.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/CoolProp.cpp b/src/CoolProp.cpp
index 8cef455c..6209767f 100644
--- a/src/CoolProp.cpp
+++ b/src/CoolProp.cpp
@@ -339,7 +339,7 @@ std::vector<std::vector<double> > PropsSImulti(const std::vector<std::string> &O
         }
         catch(std::exception &e){
             // Initialization failed.  Stop.
-            throw ValueError(format("_PropsSI_initialize failed for backend: \"%s\", fluid: \"%s\" fractions \"%s\"",backend.c_str(), strjoin(fluids,"&").c_str(), vec_to_string(fractions, "0.10f").c_str()) );
+            throw ValueError(format("_PropsSI_initialize failed for backend: \"%s\", fluid: \"%s\" fractions \"%s\"",backend.c_str(), strjoin(fluids,"&").c_str(), vec_to_string(fractions, "%0.10f").c_str()) );
         }
 
         try{