309 pub struct Operator<'a> {  struct
380 impl<'a> fmt::Display for Operator<'a> {  implementation
540 impl<'a> Operator<'a> {  impl
1713     ) -> crate::Result<(Operator<'b>, Operator<'b>, Operator<'b>)> {  in create_multigrid_level()
1728         let op_coarse = unsafe { Operator::from_raw(ptr_coarse)? };  in create_multigrid_level()
1729         let op_prolong = unsafe { Operator::from_raw(ptr_prolong)? };  in create_multigrid_level()
1730         let op_restrict = unsafe { Operator::from_raw(ptr_restrict)? };  in create_multigrid_level()
1902     ) -> crate::Result<(Operator<'b>, Operator<'b>, Operator<'b>)> {  in create_multigrid_level_tensor_H1()
1918         let op_coarse = unsafe { Operator::from_raw(ptr_coarse)? };  in create_multigrid_level_tensor_H1()
1919         let op_prolong = unsafe { Operator::from_raw(ptr_prolong)? };  in create_multigrid_level_tensor_H1()
1920         let op_restrict = unsafe { Operator::from_raw(ptr_restrict)? };  in create_multigrid_level_tensor_H1()
2092     ) -> crate::Result<(Operator<'b>, Operator<'b>, Operator<'b>)> {  in create_multigrid_level_H1()
2108         let op_coarse = unsafe { Operator::from_raw(ptr_coarse)? };  in create_multigrid_level_H1()
2109         let op_prolong = unsafe { Operator::from_raw(ptr_prolong)? };  in create_multigrid_level_H1()
2110         let op_restrict = unsafe { Operator::from_raw(ptr_restrict)? };  in create_multigrid_level_H1()
2402     pub fn sub_operator(mut self, subop: &Operator) -> crate::Result<Self> {  in sub_operator()