last aliasing fix

fredrik-johansson · Jan 27, 2025 · fdb66f0 · fdb66f0
1 parent a3dfd93
commit fdb66f0
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Showing 2 changed files with 1 addition and 3 deletions.
diff --git a/src/gr_poly/div_newton_n_preinv.c b/src/gr_poly/div_newton_n_preinv.c
@@ -71,7 +71,7 @@ gr_poly_div_newton_n_preinv(gr_poly_t Q,
 
     Qlen = Alen - Blen + 1;
 
-    if (Q == A || Q == B)
+    if (Q == A || Q == B || Q == Binv)
     {
         gr_poly_t t;
         gr_poly_init2(t, Qlen, ctx);

diff --git a/src/gr_poly/test/t-div_newton_n_preinv.c b/src/gr_poly/test/t-div_newton_n_preinv.c
@@ -43,7 +43,6 @@ TEST_FUNCTION_START(gr_poly_div_newton_n_preinv, state)
         /* different aliasing cases */
         switch (n_randint(state, 4))
         {
-/*
             case 0:
                 status |= gr_poly_set(Q, A, ctx);
                 status |= gr_poly_div_newton_n_preinv(Q, Q, B, Binv, ctx);
@@ -56,7 +55,6 @@ TEST_FUNCTION_START(gr_poly_div_newton_n_preinv, state)
                 status |= gr_poly_set(Q, Binv, ctx);
                 status |= gr_poly_div_newton_n_preinv(Q, A, B, Q, ctx);
                 break;
-*/
             default:
                 status |= gr_poly_div_newton_n_preinv(Q, A, B, Binv, ctx);
                 break;