1//! Trait — port of `IpSearchDirCalculator.hpp`. 2 3pub trait SearchDirCalculator { 4 /// Compute the next search direction. Phase 7 wires the full 5 /// signature once `IpoptData` carries `delta`/`delta_aff`. 6 fn computed_normal_step(&self) -> bool { 7 false 8 } 9}