nopenpilot/third_party/acados/include/acados/sim/sim_lifted_irk_integrator.h

160 lines
5.1 KiB
C

/*
* Copyright 2019 Gianluca Frison, Dimitris Kouzoupis, Robin Verschueren,
* Andrea Zanelli, Niels van Duijkeren, Jonathan Frey, Tommaso Sartor,
* Branimir Novoselnik, Rien Quirynen, Rezart Qelibari, Dang Doan,
* Jonas Koenemann, Yutao Chen, Tobias Schöls, Jonas Schlagenhauf, Moritz Diehl
*
* This file is part of acados.
*
* The 2-Clause BSD License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.;
*/
#ifndef ACADOS_SIM_SIM_LIFTED_IRK_INTEGRATOR_H_
#define ACADOS_SIM_SIM_LIFTED_IRK_INTEGRATOR_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "acados/sim/sim_common.h"
#include "acados/utils/types.h"
typedef struct
{
int nx;
int nu;
int nz;
} sim_lifted_irk_dims;
typedef struct
{
/* external functions */
// implicit ode
external_function_generic *impl_ode_fun;
// implicit ode & jax_x & jac_xdot & jac_u implicit ode
external_function_generic *impl_ode_fun_jac_x_xdot_u;
} lifted_irk_model;
typedef struct
{
struct blasfeo_dmat *J_temp_x; // temporary Jacobian of ode w.r.t x (nx, nx)
struct blasfeo_dmat *J_temp_xdot; // temporary Jacobian of ode w.r.t xdot (nx, nx)
struct blasfeo_dmat *J_temp_u; // temporary Jacobian of ode w.r.t u (nx, nu)
struct blasfeo_dvec *rG; // residuals of G (nx*ns)
struct blasfeo_dvec *xt; // temporary x
struct blasfeo_dvec *xn; // x at each integration step (for evaluations)
struct blasfeo_dvec *xn_out; // x at each integration step (output)
struct blasfeo_dvec *dxn; // dx at each integration step
struct blasfeo_dvec *w; // stacked x and u
int *ipiv; // index of pivot vector
} sim_lifted_irk_workspace;
typedef struct
{
// memory for lifted integrators
struct blasfeo_dmat *S_forw; // forward sensitivities
struct blasfeo_dmat *JGK; // jacobian of G over K (nx*ns, nx*ns)
struct blasfeo_dmat *JGf; // jacobian of G over x and u (nx*ns, nx+nu);
struct blasfeo_dmat *JKf; // jacobian of K over x and u (nx*ns, nx+nu);
struct blasfeo_dvec *K; // internal variables (nx*ns)
struct blasfeo_dvec *x; // states (nx) -- for expansion step
struct blasfeo_dvec *u; // controls (nu) -- for expansion step
int update_sens;
double time_sim;
double time_ad;
double time_la;
} sim_lifted_irk_memory;
/* dims */
void sim_lifted_irk_dims_set(void *config_, void *dims_, const char *field, const int *value);
void sim_lifted_irk_dims_get(void *config_, void *dims_, const char *field, int* value);
acados_size_t sim_lifted_irk_dims_calculate_size();
//
void *sim_lifted_irk_dims_assign(void* config_, void *raw_memory);
/* model */
//
acados_size_t sim_lifted_irk_model_calculate_size(void *config, void *dims);
//
void *sim_lifted_irk_model_assign(void *config, void *dims, void *raw_memory);
//
int sim_lifted_irk_model_set(void *model_, const char *field, void *value);
/* opts */
//
acados_size_t sim_lifted_irk_opts_calculate_size(void *config, void *dims);
//
void *sim_lifted_irk_opts_assign(void *config, void *dims, void *raw_memory);
//
void sim_lifted_irk_opts_initialize_default(void *config, void *dims, void *opts_);
//
void sim_lifted_irk_opts_update(void *config_, void *dims, void *opts_);
//
void sim_lifted_irk_opts_set(void *config_, void *opts_, const char *field, void *value);
/* memory */
//
acados_size_t sim_lifted_irk_memory_calculate_size(void *config, void *dims, void *opts_);
//
void *sim_lifted_irk_memory_assign(void *config, void *dims, void *opts_, void *raw_memory);
/* workspace */
//
acados_size_t sim_lifted_irk_workspace_calculate_size(void *config, void *dims, void *opts_);
//
void sim_lifted_irk_config_initialize_default(void *config);
/* solver */
//
int sim_lifted_irk(void *config, sim_in *in, sim_out *out, void *opts_,
void *mem_, void *work_);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif // ACADOS_SIM_SIM_LIFTED_IRK_INTEGRATOR_H_