From 0f4d953950b182e353228c651a47080f57e8360e Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Wed, 9 Jun 2021 18:05:42 +0200
Subject: [PATCH] Open mrdump file not in append, but in write mode

---
 src/maths/sparse/spoutput.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/maths/sparse/spoutput.c b/src/maths/sparse/spoutput.c
index dc0832395..9b37ca26d 100644
--- a/src/maths/sparse/spoutput.c
+++ b/src/maths/sparse/spoutput.c
@@ -604,8 +604,8 @@ spFileVector(MatrixPtr Matrix, char *File, RealVector RHS, RealVector iRHS)
     assert( IS_SPARSE( Matrix ) && RHS != NULL);
 
     if (File) {
-        /* Open File in append mode. */
-        pMatrixFile = fopen(File,"a");
+        /* Open File in write mode. */
+        pMatrixFile = fopen(File,"w");
         if (pMatrixFile == NULL)
 	    return 0;
     }