IPOPT Watchdog Iterations Tracking

odow · May 19, 2025, 10:10pm

I don’t believe so. Ipopt.jl can expose only what is provided by the C API:

src/Interfaces/IpStdCInterface.h

cc58a7072


      
          /** Type defining the callback function for giving intermediate execution control to the user.
           *
           *  If set, it is called once per iteration, providing the user
           *  with some information on the state of the optimization.
           *  This can be used to print some user-defined output.
           *  It also gives the user a way to terminate the optimization prematurely.
           *  If this method returns false, Ipopt will terminate the optimization.
           *
           *  See also Ipopt::TNLP::intermediate_callback.
           */
          typedef bool (*Intermediate_CB)(
             ipindex     alg_mod,   /**< algorithm mode: 0 is regular, 1 is restoration */
             ipindex     iter_count,/**< iteration number */
             ipnumber    obj_value, /**< objective function value */
             ipnumber    inf_pr,    /**< primal infeasibility */
             ipnumber    inf_du,    /**< dual infeasibility */
             ipnumber    mu,        /**< barrier parameter */
             ipnumber    d_norm,    /**< infinity-norm of primal step */
             ipnumber    regularization_size,  /**< size of regularization of Hessian of Lagrangian */
             ipnumber    alpha_du,  /**< step length for dual variables */

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IPOPT Watchdog Iterations Tracking

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