pd_ipm_result.hpp

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/*
 * Copyright © 2025-2026 Akreon LLC
 * SPDX-License-Identifier: Apache-2.0
 */
 
#pragma once
 
#include <cstddef>
#include <type_traits>
 
#include "akreon/convex/solver_config.hpp"
#include "akreon/convex/canonical_trace.hpp"
#include "akreon/convex/solver/pd_info.hpp"
#include "akreon/convex/solver/pd_ipm_trace.hpp"
#include "akreon/convex/solver_traits.hpp"
#include "akreon/linalg/linalg.hpp"
 
namespace convex {
 
struct EmptySolverTrace {
  std::size_t num_iters{};
  constexpr void reset() { *this = {}; }
};
 
template <linalg::VectorContainer Var, linalg::VectorContainer ConeVar,
          linalg::VectorContainer NuVar,
          typename CanonicalTraceT = EmptyCanonicalTrace,
          typename SolverTraceT = EmptySolverTrace>
struct PrimalDualResult {
  using Scalar = linalg::vector_element_t<Var>;
  using CanonicalTrace = CanonicalTraceT;
  using SolverTrace = SolverTraceT;
 
  config::SolverResult tag{};     
  linalg::NumericalEvent event{}; 
  bool stalled{}; 
  std::size_t
      num_iter{}; 
 
  Scalar mu{};         
  Scalar convex_obj{}; 
  Scalar dual_obj{};   
 
  PrimalDualIterate<Var, ConeVar, NuVar>
      iterate{}; 
  Var rd{};      
  ConeVar rp{};  
  NuVar req{};   
 
  CanonicalTraceT canonical_trace{}; 
  SolverTraceT solver_trace{};       
};
 
} // namespace convex