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

92 lines
2.6 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_COLLOCATION_UTILS_H_
#define ACADOS_SIM_SIM_COLLOCATION_UTILS_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "acados/utils/types.h"
enum Newton_type_collocation
{
exact = 0,
simplified_in,
simplified_inis
};
typedef struct
{
enum Newton_type_collocation type;
double *eig;
double *low_tria;
bool single;
bool freeze;
double *transf1;
double *transf2;
double *transf1_T;
double *transf2_T;
} Newton_scheme;
//
acados_size_t gauss_nodes_work_calculate_size(int ns);
//
void gauss_nodes(int ns, double *nodes, void *raw_memory);
//
acados_size_t gauss_simplified_work_calculate_size(int ns);
//
void gauss_simplified(int ns, Newton_scheme *scheme, void *work);
//
acados_size_t butcher_table_work_calculate_size(int ns);
//
void butcher_table(int ns, double *nodes, double *b, double *A, void *work);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif // ACADOS_SIM_SIM_COLLOCATION_UTILS_H_