43     typename Vector::difference_type delta = cp-u.begin();  in CheckConstIterator()  local
44     REQUIRE( delta==i );  in CheckConstIterator()
104         typename V::difference_type delta = p-v.begin();  in TestSequentialFor()  local
105         REQUIRE( delta==i );  in TestSequentialFor()
106         REQUIRE_MESSAGE( (-delta<=0), "difference type not signed?" );  in TestSequentialFor()
145         typename V::difference_type delta = i*3 % u.size();  in TestSequentialFor()  local
146         if( 0<=k+delta && std::size_t(k+delta)<u.size() ) {  in TestSequentialFor()
147             V::const_iterator &cpr = (cp += delta);  in TestSequentialFor()
149             k += delta;  in TestSequentialFor()
151         delta = i*7 % u.size();  in TestSequentialFor()
152         if( 0<=k-delta && std::size_t(k-delta)<u.size() ) {  in TestSequentialFor()
154                 V::const_iterator &cpr = (cp -= delta);  in TestSequentialFor()
157                 cp = cp - delta;        // Test operator-  in TestSequentialFor()
158             k -= delta;  in TestSequentialFor()