remove unnecessary not-null guard in Operator_matmul_delete

It is well-defined to free null.

diff --git a/lib/sfdpgen/sparse_solve.c b/lib/sfdpgen/sparse_solve.c
index 09949fe2e48fe00104e5d2c3d72f765d9b2ed116..49bcd21d48dabf2fb5ea9f7e7e0f3db25f40f828 100644 (file)
--- a/lib/sfdpgen/sparse_solve.c
+++ b/lib/sfdpgen/sparse_solve.c
@@ -75,7 +75,7 @@ static Operator Operator_matmul_new(SparseMatrix A){
 
 
 static void Operator_matmul_delete(Operator o){
-  if (o) FREE(o);  
+  FREE(o);
 }