[numerics] add NSM_fix
@@ -608,6 +608,8 @@ FrictionContactProblem * globalFrictionContact_reformulation_FrictionContact(Glo
localproblem->M = NM_multiply(Htrans,MinvH);
DEBUG_EXPR(NM_display(localproblem->M););
+ NSM_fix_csc(NM_csc(localproblem->M));
+
#ifdef OUTPUT_DEBUG
fileout = fopen("dataW.py", "w");
NM_write_in_file_python(localproblem->M, fileout);
