From 78adfa083c4e2e253bc9c135f2d842c2b84a4393 Mon Sep 17 00:00:00 2001
From: yifanhu <devnull@localhost>
Date: Tue, 2 Sep 2008 14:59:58 +0000
Subject: [PATCH] added an assert

---
 lib/sparse/SparseMatrix.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/sparse/SparseMatrix.c b/lib/sparse/SparseMatrix.c
index 2973d8642..42e8d3443 100644
--- a/lib/sparse/SparseMatrix.c
+++ b/lib/sparse/SparseMatrix.c
@@ -1610,6 +1610,7 @@ SparseMatrix SparseMatrix_sum_repeat_entries(SparseMatrix A, int what_to_sum){
 SparseMatrix SparseMatrix_coordinate_form_add_entries(SparseMatrix A, int nentries, int *irn, int *jcn, void *val){
   int nz, type = A->type, nzmax, i;
   
+  assert(A);
   assert(A->format == FORMAT_COORD);
   if (nentries <= 0) return A;
   nz = A->nz;
-- 
2.40.0