Lines Matching refs:upper
69 upper.left = &fakeleft;
74 upper.left = &left;
76 upper.left->last();
80 upper.line = ⊤
81 upper.index = top.ustart;
83 upper.line = 0;
96 upper.right = &right;
99 upper.right = &fakeright;
102 upper.right->first();
107 * nextupper - find next vertex on upper hull of trim region.
118 if( upper.left ) {
119 gv->set( upper.left->prev() );
121 upper.left = 0;
124 if( upper.line ) {
125 assert( upper.index <= upper.line->uend );
126 gv->set( uarray.uarray[upper.index], upper.line->vval );
127 gv->set( upper.index, upper.line->vindex );
128 if( upper.index++ == upper.line->uend ) upper.line = 0;
132 if( upper.right ) {
133 gv->set( upper.right->next() );
135 upper.right = 0;