If a new vector is created by the functions cph or ph,

its type should be 'phase', not voltage. Thus prevent
raw file entries (created by the 'write' command like
	4	v(cph(vout2))	voltage

src/frontend/evaluate.c

@@ -937,6 +937,10 @@ apply_func(struct func *func, struct pnode *arg)
 
         vec_new(t);
 
+        /* try to figure out the v_type, depending on the function */
+        if (eq(func->fu_name, "cph") || eq(func->fu_name, "ph"))
+            t->v_type = SV_PHASE;
+
         if (end)
             end->v_link2 = t;
         else