From ffc99d62013b1a5025b21cc385dd9892360ebe49 Mon Sep 17 00:00:00 2001
From: Pjotr Prins
Date: Mon, 28 Aug 2017 09:18:42 +0000
Subject: param.cpp: Set error on error

---
 src/param.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/param.cpp b/src/param.cpp
index dce55e0..3b319e9 100644
--- a/src/param.cpp
+++ b/src/param.cpp
@@ -350,6 +350,7 @@ void PARAM::ReadFiles(void) {
     igzstream infile(file_mbfile.c_str(), igzstream::in);
     if (!infile) {
       cout << "error! fail to open mbfile file: " << file_mbfile << endl;
+      error = true;
       return;
     }
 
@@ -437,6 +438,7 @@ void PARAM::ReadFiles(void) {
     igzstream infile(file_mgeno.c_str(), igzstream::in);
     if (!infile) {
       cout << "error! fail to open mgeno file: " << file_mgeno << endl;
+      error = true;
       return;
     }
 
@@ -504,8 +506,8 @@ void PARAM::ReadFiles(void) {
     }
 
     if (ni_test == 0) {
-      error = true;
       cout << "error! number of analyzed individuals equals 0. " << endl;
+      error = true;
       return;
     }
   }
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