#include "car.h"

namespace {
#define DIM 9
#define EDIM 9
#define MEDIM 9
typedef void (*Hfun)(double *, double *, double *);

double mass;

void set_mass(double x){ mass = x;}

double rotational_inertia;

void set_rotational_inertia(double x){ rotational_inertia = x;}

double center_to_front;

void set_center_to_front(double x){ center_to_front = x;}

double center_to_rear;

void set_center_to_rear(double x){ center_to_rear = x;}

double stiffness_front;

void set_stiffness_front(double x){ stiffness_front = x;}

double stiffness_rear;

void set_stiffness_rear(double x){ stiffness_rear = x;}
const static double MAHA_THRESH_25 = 3.8414588206941227;
const static double MAHA_THRESH_24 = 5.991464547107981;
const static double MAHA_THRESH_30 = 3.8414588206941227;
const static double MAHA_THRESH_26 = 3.8414588206941227;
const static double MAHA_THRESH_27 = 3.8414588206941227;
const static double MAHA_THRESH_29 = 3.8414588206941227;
const static double MAHA_THRESH_28 = 3.8414588206941227;
const static double MAHA_THRESH_31 = 3.8414588206941227;

/******************************************************************************
 *                      Code generated with SymPy 1.14.0                      *
 *                                                                            *
 *              See http://www.sympy.org/ for more information.               *
 *                                                                            *
 *                         This file is part of 'ekf'                         *
 ******************************************************************************/
void err_fun(double *nom_x, double *delta_x, double *out_6015208985665157010) {
   out_6015208985665157010[0] = delta_x[0] + nom_x[0];
   out_6015208985665157010[1] = delta_x[1] + nom_x[1];
   out_6015208985665157010[2] = delta_x[2] + nom_x[2];
   out_6015208985665157010[3] = delta_x[3] + nom_x[3];
   out_6015208985665157010[4] = delta_x[4] + nom_x[4];
   out_6015208985665157010[5] = delta_x[5] + nom_x[5];
   out_6015208985665157010[6] = delta_x[6] + nom_x[6];
   out_6015208985665157010[7] = delta_x[7] + nom_x[7];
   out_6015208985665157010[8] = delta_x[8] + nom_x[8];
}
void inv_err_fun(double *nom_x, double *true_x, double *out_477124223165523245) {
   out_477124223165523245[0] = -nom_x[0] + true_x[0];
   out_477124223165523245[1] = -nom_x[1] + true_x[1];
   out_477124223165523245[2] = -nom_x[2] + true_x[2];
   out_477124223165523245[3] = -nom_x[3] + true_x[3];
   out_477124223165523245[4] = -nom_x[4] + true_x[4];
   out_477124223165523245[5] = -nom_x[5] + true_x[5];
   out_477124223165523245[6] = -nom_x[6] + true_x[6];
   out_477124223165523245[7] = -nom_x[7] + true_x[7];
   out_477124223165523245[8] = -nom_x[8] + true_x[8];
}
void H_mod_fun(double *state, double *out_2608689361236654134) {
   out_2608689361236654134[0] = 1.0;
   out_2608689361236654134[1] = 0.0;
   out_2608689361236654134[2] = 0.0;
   out_2608689361236654134[3] = 0.0;
   out_2608689361236654134[4] = 0.0;
   out_2608689361236654134[5] = 0.0;
   out_2608689361236654134[6] = 0.0;
   out_2608689361236654134[7] = 0.0;
   out_2608689361236654134[8] = 0.0;
   out_2608689361236654134[9] = 0.0;
   out_2608689361236654134[10] = 1.0;
   out_2608689361236654134[11] = 0.0;
   out_2608689361236654134[12] = 0.0;
   out_2608689361236654134[13] = 0.0;
   out_2608689361236654134[14] = 0.0;
   out_2608689361236654134[15] = 0.0;
   out_2608689361236654134[16] = 0.0;
   out_2608689361236654134[17] = 0.0;
   out_2608689361236654134[18] = 0.0;
   out_2608689361236654134[19] = 0.0;
   out_2608689361236654134[20] = 1.0;
   out_2608689361236654134[21] = 0.0;
   out_2608689361236654134[22] = 0.0;
   out_2608689361236654134[23] = 0.0;
   out_2608689361236654134[24] = 0.0;
   out_2608689361236654134[25] = 0.0;
   out_2608689361236654134[26] = 0.0;
   out_2608689361236654134[27] = 0.0;
   out_2608689361236654134[28] = 0.0;
   out_2608689361236654134[29] = 0.0;
   out_2608689361236654134[30] = 1.0;
   out_2608689361236654134[31] = 0.0;
   out_2608689361236654134[32] = 0.0;
   out_2608689361236654134[33] = 0.0;
   out_2608689361236654134[34] = 0.0;
   out_2608689361236654134[35] = 0.0;
   out_2608689361236654134[36] = 0.0;
   out_2608689361236654134[37] = 0.0;
   out_2608689361236654134[38] = 0.0;
   out_2608689361236654134[39] = 0.0;
   out_2608689361236654134[40] = 1.0;
   out_2608689361236654134[41] = 0.0;
   out_2608689361236654134[42] = 0.0;
   out_2608689361236654134[43] = 0.0;
   out_2608689361236654134[44] = 0.0;
   out_2608689361236654134[45] = 0.0;
   out_2608689361236654134[46] = 0.0;
   out_2608689361236654134[47] = 0.0;
   out_2608689361236654134[48] = 0.0;
   out_2608689361236654134[49] = 0.0;
   out_2608689361236654134[50] = 1.0;
   out_2608689361236654134[51] = 0.0;
   out_2608689361236654134[52] = 0.0;
   out_2608689361236654134[53] = 0.0;
   out_2608689361236654134[54] = 0.0;
   out_2608689361236654134[55] = 0.0;
   out_2608689361236654134[56] = 0.0;
   out_2608689361236654134[57] = 0.0;
   out_2608689361236654134[58] = 0.0;
   out_2608689361236654134[59] = 0.0;
   out_2608689361236654134[60] = 1.0;
   out_2608689361236654134[61] = 0.0;
   out_2608689361236654134[62] = 0.0;
   out_2608689361236654134[63] = 0.0;
   out_2608689361236654134[64] = 0.0;
   out_2608689361236654134[65] = 0.0;
   out_2608689361236654134[66] = 0.0;
   out_2608689361236654134[67] = 0.0;
   out_2608689361236654134[68] = 0.0;
   out_2608689361236654134[69] = 0.0;
   out_2608689361236654134[70] = 1.0;
   out_2608689361236654134[71] = 0.0;
   out_2608689361236654134[72] = 0.0;
   out_2608689361236654134[73] = 0.0;
   out_2608689361236654134[74] = 0.0;
   out_2608689361236654134[75] = 0.0;
   out_2608689361236654134[76] = 0.0;
   out_2608689361236654134[77] = 0.0;
   out_2608689361236654134[78] = 0.0;
   out_2608689361236654134[79] = 0.0;
   out_2608689361236654134[80] = 1.0;
}
void f_fun(double *state, double dt, double *out_3396361230160248269) {
   out_3396361230160248269[0] = state[0];
   out_3396361230160248269[1] = state[1];
   out_3396361230160248269[2] = state[2];
   out_3396361230160248269[3] = state[3];
   out_3396361230160248269[4] = state[4];
   out_3396361230160248269[5] = dt*((-state[4] + (-center_to_front*stiffness_front*state[0] + center_to_rear*stiffness_rear*state[0])/(mass*state[4]))*state[6] - 9.8100000000000005*state[8] + stiffness_front*(-state[2] - state[3] + state[7])*state[0]/(mass*state[1]) + (-stiffness_front*state[0] - stiffness_rear*state[0])*state[5]/(mass*state[4])) + state[5];
   out_3396361230160248269[6] = dt*(center_to_front*stiffness_front*(-state[2] - state[3] + state[7])*state[0]/(rotational_inertia*state[1]) + (-center_to_front*stiffness_front*state[0] + center_to_rear*stiffness_rear*state[0])*state[5]/(rotational_inertia*state[4]) + (-pow(center_to_front, 2)*stiffness_front*state[0] - pow(center_to_rear, 2)*stiffness_rear*state[0])*state[6]/(rotational_inertia*state[4])) + state[6];
   out_3396361230160248269[7] = state[7];
   out_3396361230160248269[8] = state[8];
}
void F_fun(double *state, double dt, double *out_4871140980960948919) {
   out_4871140980960948919[0] = 1;
   out_4871140980960948919[1] = 0;
   out_4871140980960948919[2] = 0;
   out_4871140980960948919[3] = 0;
   out_4871140980960948919[4] = 0;
   out_4871140980960948919[5] = 0;
   out_4871140980960948919[6] = 0;
   out_4871140980960948919[7] = 0;
   out_4871140980960948919[8] = 0;
   out_4871140980960948919[9] = 0;
   out_4871140980960948919[10] = 1;
   out_4871140980960948919[11] = 0;
   out_4871140980960948919[12] = 0;
   out_4871140980960948919[13] = 0;
   out_4871140980960948919[14] = 0;
   out_4871140980960948919[15] = 0;
   out_4871140980960948919[16] = 0;
   out_4871140980960948919[17] = 0;
   out_4871140980960948919[18] = 0;
   out_4871140980960948919[19] = 0;
   out_4871140980960948919[20] = 1;
   out_4871140980960948919[21] = 0;
   out_4871140980960948919[22] = 0;
   out_4871140980960948919[23] = 0;
   out_4871140980960948919[24] = 0;
   out_4871140980960948919[25] = 0;
   out_4871140980960948919[26] = 0;
   out_4871140980960948919[27] = 0;
   out_4871140980960948919[28] = 0;
   out_4871140980960948919[29] = 0;
   out_4871140980960948919[30] = 1;
   out_4871140980960948919[31] = 0;
   out_4871140980960948919[32] = 0;
   out_4871140980960948919[33] = 0;
   out_4871140980960948919[34] = 0;
   out_4871140980960948919[35] = 0;
   out_4871140980960948919[36] = 0;
   out_4871140980960948919[37] = 0;
   out_4871140980960948919[38] = 0;
   out_4871140980960948919[39] = 0;
   out_4871140980960948919[40] = 1;
   out_4871140980960948919[41] = 0;
   out_4871140980960948919[42] = 0;
   out_4871140980960948919[43] = 0;
   out_4871140980960948919[44] = 0;
   out_4871140980960948919[45] = dt*(stiffness_front*(-state[2] - state[3] + state[7])/(mass*state[1]) + (-stiffness_front - stiffness_rear)*state[5]/(mass*state[4]) + (-center_to_front*stiffness_front + center_to_rear*stiffness_rear)*state[6]/(mass*state[4]));
   out_4871140980960948919[46] = -dt*stiffness_front*(-state[2] - state[3] + state[7])*state[0]/(mass*pow(state[1], 2));
   out_4871140980960948919[47] = -dt*stiffness_front*state[0]/(mass*state[1]);
   out_4871140980960948919[48] = -dt*stiffness_front*state[0]/(mass*state[1]);
   out_4871140980960948919[49] = dt*((-1 - (-center_to_front*stiffness_front*state[0] + center_to_rear*stiffness_rear*state[0])/(mass*pow(state[4], 2)))*state[6] - (-stiffness_front*state[0] - stiffness_rear*state[0])*state[5]/(mass*pow(state[4], 2)));
   out_4871140980960948919[50] = dt*(-stiffness_front*state[0] - stiffness_rear*state[0])/(mass*state[4]) + 1;
   out_4871140980960948919[51] = dt*(-state[4] + (-center_to_front*stiffness_front*state[0] + center_to_rear*stiffness_rear*state[0])/(mass*state[4]));
   out_4871140980960948919[52] = dt*stiffness_front*state[0]/(mass*state[1]);
   out_4871140980960948919[53] = -9.8100000000000005*dt;
   out_4871140980960948919[54] = dt*(center_to_front*stiffness_front*(-state[2] - state[3] + state[7])/(rotational_inertia*state[1]) + (-center_to_front*stiffness_front + center_to_rear*stiffness_rear)*state[5]/(rotational_inertia*state[4]) + (-pow(center_to_front, 2)*stiffness_front - pow(center_to_rear, 2)*stiffness_rear)*state[6]/(rotational_inertia*state[4]));
   out_4871140980960948919[55] = -center_to_front*dt*stiffness_front*(-state[2] - state[3] + state[7])*state[0]/(rotational_inertia*pow(state[1], 2));
   out_4871140980960948919[56] = -center_to_front*dt*stiffness_front*state[0]/(rotational_inertia*state[1]);
   out_4871140980960948919[57] = -center_to_front*dt*stiffness_front*state[0]/(rotational_inertia*state[1]);
   out_4871140980960948919[58] = dt*(-(-center_to_front*stiffness_front*state[0] + center_to_rear*stiffness_rear*state[0])*state[5]/(rotational_inertia*pow(state[4], 2)) - (-pow(center_to_front, 2)*stiffness_front*state[0] - pow(center_to_rear, 2)*stiffness_rear*state[0])*state[6]/(rotational_inertia*pow(state[4], 2)));
   out_4871140980960948919[59] = dt*(-center_to_front*stiffness_front*state[0] + center_to_rear*stiffness_rear*state[0])/(rotational_inertia*state[4]);
   out_4871140980960948919[60] = dt*(-pow(center_to_front, 2)*stiffness_front*state[0] - pow(center_to_rear, 2)*stiffness_rear*state[0])/(rotational_inertia*state[4]) + 1;
   out_4871140980960948919[61] = center_to_front*dt*stiffness_front*state[0]/(rotational_inertia*state[1]);
   out_4871140980960948919[62] = 0;
   out_4871140980960948919[63] = 0;
   out_4871140980960948919[64] = 0;
   out_4871140980960948919[65] = 0;
   out_4871140980960948919[66] = 0;
   out_4871140980960948919[67] = 0;
   out_4871140980960948919[68] = 0;
   out_4871140980960948919[69] = 0;
   out_4871140980960948919[70] = 1;
   out_4871140980960948919[71] = 0;
   out_4871140980960948919[72] = 0;
   out_4871140980960948919[73] = 0;
   out_4871140980960948919[74] = 0;
   out_4871140980960948919[75] = 0;
   out_4871140980960948919[76] = 0;
   out_4871140980960948919[77] = 0;
   out_4871140980960948919[78] = 0;
   out_4871140980960948919[79] = 0;
   out_4871140980960948919[80] = 1;
}
void h_25(double *state, double *unused, double *out_6946135885242892709) {
   out_6946135885242892709[0] = state[6];
}
void H_25(double *state, double *unused, double *out_5312648671737205671) {
   out_5312648671737205671[0] = 0;
   out_5312648671737205671[1] = 0;
   out_5312648671737205671[2] = 0;
   out_5312648671737205671[3] = 0;
   out_5312648671737205671[4] = 0;
   out_5312648671737205671[5] = 0;
   out_5312648671737205671[6] = 1;
   out_5312648671737205671[7] = 0;
   out_5312648671737205671[8] = 0;
}
void h_24(double *state, double *unused, double *out_6361336918455122788) {
   out_6361336918455122788[0] = state[4];
   out_6361336918455122788[1] = state[5];
}
void H_24(double *state, double *unused, double *out_8870574270539528807) {
   out_8870574270539528807[0] = 0;
   out_8870574270539528807[1] = 0;
   out_8870574270539528807[2] = 0;
   out_8870574270539528807[3] = 0;
   out_8870574270539528807[4] = 1;
   out_8870574270539528807[5] = 0;
   out_8870574270539528807[6] = 0;
   out_8870574270539528807[7] = 0;
   out_8870574270539528807[8] = 0;
   out_8870574270539528807[9] = 0;
   out_8870574270539528807[10] = 0;
   out_8870574270539528807[11] = 0;
   out_8870574270539528807[12] = 0;
   out_8870574270539528807[13] = 0;
   out_8870574270539528807[14] = 1;
   out_8870574270539528807[15] = 0;
   out_8870574270539528807[16] = 0;
   out_8870574270539528807[17] = 0;
}
void h_30(double *state, double *unused, double *out_2191581399440958473) {
   out_2191581399440958473[0] = state[4];
}
void H_30(double *state, double *unused, double *out_7830981630244454298) {
   out_7830981630244454298[0] = 0;
   out_7830981630244454298[1] = 0;
   out_7830981630244454298[2] = 0;
   out_7830981630244454298[3] = 0;
   out_7830981630244454298[4] = 1;
   out_7830981630244454298[5] = 0;
   out_7830981630244454298[6] = 0;
   out_7830981630244454298[7] = 0;
   out_7830981630244454298[8] = 0;
}
void h_26(double *state, double *unused, double *out_6695414859136494820) {
   out_6695414859136494820[0] = state[7];
}
void H_26(double *state, double *unused, double *out_1571145352863149447) {
   out_1571145352863149447[0] = 0;
   out_1571145352863149447[1] = 0;
   out_1571145352863149447[2] = 0;
   out_1571145352863149447[3] = 0;
   out_1571145352863149447[4] = 0;
   out_1571145352863149447[5] = 0;
   out_1571145352863149447[6] = 0;
   out_1571145352863149447[7] = 1;
   out_1571145352863149447[8] = 0;
}
void h_27(double *state, double *unused, double *out_8977205908191021475) {
   out_8977205908191021475[0] = state[3];
}
void H_27(double *state, double *unused, double *out_8392168372281154101) {
   out_8392168372281154101[0] = 0;
   out_8392168372281154101[1] = 0;
   out_8392168372281154101[2] = 0;
   out_8392168372281154101[3] = 1;
   out_8392168372281154101[4] = 0;
   out_8392168372281154101[5] = 0;
   out_8392168372281154101[6] = 0;
   out_8392168372281154101[7] = 0;
   out_8392168372281154101[8] = 0;
}
void h_29(double *state, double *unused, double *out_7949566313434696429) {
   out_7949566313434696429[0] = state[1];
}
void H_29(double *state, double *unused, double *out_8341212974558846482) {
   out_8341212974558846482[0] = 0;
   out_8341212974558846482[1] = 1;
   out_8341212974558846482[2] = 0;
   out_8341212974558846482[3] = 0;
   out_8341212974558846482[4] = 0;
   out_8341212974558846482[5] = 0;
   out_8341212974558846482[6] = 0;
   out_8341212974558846482[7] = 0;
   out_8341212974558846482[8] = 0;
}
void h_28(double *state, double *unused, double *out_8531535863254668338) {
   out_8531535863254668338[0] = state[0];
}
void H_28(double *state, double *unused, double *out_3258813957489315908) {
   out_3258813957489315908[0] = 1;
   out_3258813957489315908[1] = 0;
   out_3258813957489315908[2] = 0;
   out_3258813957489315908[3] = 0;
   out_3258813957489315908[4] = 0;
   out_3258813957489315908[5] = 0;
   out_3258813957489315908[6] = 0;
   out_3258813957489315908[7] = 0;
   out_3258813957489315908[8] = 0;
}
void h_31(double *state, double *unused, double *out_5974550751915635794) {
   out_5974550751915635794[0] = state[8];
}
void H_31(double *state, double *unused, double *out_944937250629797971) {
   out_944937250629797971[0] = 0;
   out_944937250629797971[1] = 0;
   out_944937250629797971[2] = 0;
   out_944937250629797971[3] = 0;
   out_944937250629797971[4] = 0;
   out_944937250629797971[5] = 0;
   out_944937250629797971[6] = 0;
   out_944937250629797971[7] = 0;
   out_944937250629797971[8] = 1;
}
#include <eigen3/Eigen/Dense>
#include <iostream>

typedef Eigen::Matrix<double, DIM, DIM, Eigen::RowMajor> DDM;
typedef Eigen::Matrix<double, EDIM, EDIM, Eigen::RowMajor> EEM;
typedef Eigen::Matrix<double, DIM, EDIM, Eigen::RowMajor> DEM;

void predict(double *in_x, double *in_P, double *in_Q, double dt) {
  typedef Eigen::Matrix<double, MEDIM, MEDIM, Eigen::RowMajor> RRM;

  double nx[DIM] = {0};
  double in_F[EDIM*EDIM] = {0};

  // functions from sympy
  f_fun(in_x, dt, nx);
  F_fun(in_x, dt, in_F);


  EEM F(in_F);
  EEM P(in_P);
  EEM Q(in_Q);

  RRM F_main = F.topLeftCorner(MEDIM, MEDIM);
  P.topLeftCorner(MEDIM, MEDIM) = (F_main * P.topLeftCorner(MEDIM, MEDIM)) * F_main.transpose();
  P.topRightCorner(MEDIM, EDIM - MEDIM) = F_main * P.topRightCorner(MEDIM, EDIM - MEDIM);
  P.bottomLeftCorner(EDIM - MEDIM, MEDIM) = P.bottomLeftCorner(EDIM - MEDIM, MEDIM) * F_main.transpose();

  P = P + dt*Q;

  // copy out state
  memcpy(in_x, nx, DIM * sizeof(double));
  memcpy(in_P, P.data(), EDIM * EDIM * sizeof(double));
}

// note: extra_args dim only correct when null space projecting
// otherwise 1
template <int ZDIM, int EADIM, bool MAHA_TEST>
void update(double *in_x, double *in_P, Hfun h_fun, Hfun H_fun, Hfun Hea_fun, double *in_z, double *in_R, double *in_ea, double MAHA_THRESHOLD) {
  typedef Eigen::Matrix<double, ZDIM, ZDIM, Eigen::RowMajor> ZZM;
  typedef Eigen::Matrix<double, ZDIM, DIM, Eigen::RowMajor> ZDM;
  typedef Eigen::Matrix<double, Eigen::Dynamic, EDIM, Eigen::RowMajor> XEM;
  //typedef Eigen::Matrix<double, EDIM, ZDIM, Eigen::RowMajor> EZM;
  typedef Eigen::Matrix<double, Eigen::Dynamic, 1> X1M;
  typedef Eigen::Matrix<double, Eigen::Dynamic, Eigen::Dynamic, Eigen::RowMajor> XXM;

  double in_hx[ZDIM] = {0};
  double in_H[ZDIM * DIM] = {0};
  double in_H_mod[EDIM * DIM] = {0};
  double delta_x[EDIM] = {0};
  double x_new[DIM] = {0};


  // state x, P
  Eigen::Matrix<double, ZDIM, 1> z(in_z);
  EEM P(in_P);
  ZZM pre_R(in_R);

  // functions from sympy
  h_fun(in_x, in_ea, in_hx);
  H_fun(in_x, in_ea, in_H);
  ZDM pre_H(in_H);

  // get y (y = z - hx)
  Eigen::Matrix<double, ZDIM, 1> pre_y(in_hx); pre_y = z - pre_y;
  X1M y; XXM H; XXM R;
  if (Hea_fun){
    typedef Eigen::Matrix<double, ZDIM, EADIM, Eigen::RowMajor> ZAM;
    double in_Hea[ZDIM * EADIM] = {0};
    Hea_fun(in_x, in_ea, in_Hea);
    ZAM Hea(in_Hea);
    XXM A = Hea.transpose().fullPivLu().kernel();


    y = A.transpose() * pre_y;
    H = A.transpose() * pre_H;
    R = A.transpose() * pre_R * A;
  } else {
    y = pre_y;
    H = pre_H;
    R = pre_R;
  }
  // get modified H
  H_mod_fun(in_x, in_H_mod);
  DEM H_mod(in_H_mod);
  XEM H_err = H * H_mod;

  // Do mahalobis distance test
  if (MAHA_TEST){
    XXM a = (H_err * P * H_err.transpose() + R).inverse();
    double maha_dist = y.transpose() * a * y;
    if (maha_dist > MAHA_THRESHOLD){
      R = 1.0e16 * R;
    }
  }

  // Outlier resilient weighting
  double weight = 1;//(1.5)/(1 + y.squaredNorm()/R.sum());

  // kalman gains and I_KH
  XXM S = ((H_err * P) * H_err.transpose()) + R/weight;
  XEM KT = S.fullPivLu().solve(H_err * P.transpose());
  //EZM K = KT.transpose(); TODO: WHY DOES THIS NOT COMPILE?
  //EZM K = S.fullPivLu().solve(H_err * P.transpose()).transpose();
  //std::cout << "Here is the matrix rot:\n" << K << std::endl;
  EEM I_KH = Eigen::Matrix<double, EDIM, EDIM>::Identity() - (KT.transpose() * H_err);

  // update state by injecting dx
  Eigen::Matrix<double, EDIM, 1> dx(delta_x);
  dx  = (KT.transpose() * y);
  memcpy(delta_x, dx.data(), EDIM * sizeof(double));
  err_fun(in_x, delta_x, x_new);
  Eigen::Matrix<double, DIM, 1> x(x_new);

  // update cov
  P = ((I_KH * P) * I_KH.transpose()) + ((KT.transpose() * R) * KT);

  // copy out state
  memcpy(in_x, x.data(), DIM * sizeof(double));
  memcpy(in_P, P.data(), EDIM * EDIM * sizeof(double));
  memcpy(in_z, y.data(), y.rows() * sizeof(double));
}




}
extern "C" {

void car_update_25(double *in_x, double *in_P, double *in_z, double *in_R, double *in_ea) {
  update<1, 3, 0>(in_x, in_P, h_25, H_25, NULL, in_z, in_R, in_ea, MAHA_THRESH_25);
}
void car_update_24(double *in_x, double *in_P, double *in_z, double *in_R, double *in_ea) {
  update<2, 3, 0>(in_x, in_P, h_24, H_24, NULL, in_z, in_R, in_ea, MAHA_THRESH_24);
}
void car_update_30(double *in_x, double *in_P, double *in_z, double *in_R, double *in_ea) {
  update<1, 3, 0>(in_x, in_P, h_30, H_30, NULL, in_z, in_R, in_ea, MAHA_THRESH_30);
}
void car_update_26(double *in_x, double *in_P, double *in_z, double *in_R, double *in_ea) {
  update<1, 3, 0>(in_x, in_P, h_26, H_26, NULL, in_z, in_R, in_ea, MAHA_THRESH_26);
}
void car_update_27(double *in_x, double *in_P, double *in_z, double *in_R, double *in_ea) {
  update<1, 3, 0>(in_x, in_P, h_27, H_27, NULL, in_z, in_R, in_ea, MAHA_THRESH_27);
}
void car_update_29(double *in_x, double *in_P, double *in_z, double *in_R, double *in_ea) {
  update<1, 3, 0>(in_x, in_P, h_29, H_29, NULL, in_z, in_R, in_ea, MAHA_THRESH_29);
}
void car_update_28(double *in_x, double *in_P, double *in_z, double *in_R, double *in_ea) {
  update<1, 3, 0>(in_x, in_P, h_28, H_28, NULL, in_z, in_R, in_ea, MAHA_THRESH_28);
}
void car_update_31(double *in_x, double *in_P, double *in_z, double *in_R, double *in_ea) {
  update<1, 3, 0>(in_x, in_P, h_31, H_31, NULL, in_z, in_R, in_ea, MAHA_THRESH_31);
}
void car_err_fun(double *nom_x, double *delta_x, double *out_6015208985665157010) {
  err_fun(nom_x, delta_x, out_6015208985665157010);
}
void car_inv_err_fun(double *nom_x, double *true_x, double *out_477124223165523245) {
  inv_err_fun(nom_x, true_x, out_477124223165523245);
}
void car_H_mod_fun(double *state, double *out_2608689361236654134) {
  H_mod_fun(state, out_2608689361236654134);
}
void car_f_fun(double *state, double dt, double *out_3396361230160248269) {
  f_fun(state,  dt, out_3396361230160248269);
}
void car_F_fun(double *state, double dt, double *out_4871140980960948919) {
  F_fun(state,  dt, out_4871140980960948919);
}
void car_h_25(double *state, double *unused, double *out_6946135885242892709) {
  h_25(state, unused, out_6946135885242892709);
}
void car_H_25(double *state, double *unused, double *out_5312648671737205671) {
  H_25(state, unused, out_5312648671737205671);
}
void car_h_24(double *state, double *unused, double *out_6361336918455122788) {
  h_24(state, unused, out_6361336918455122788);
}
void car_H_24(double *state, double *unused, double *out_8870574270539528807) {
  H_24(state, unused, out_8870574270539528807);
}
void car_h_30(double *state, double *unused, double *out_2191581399440958473) {
  h_30(state, unused, out_2191581399440958473);
}
void car_H_30(double *state, double *unused, double *out_7830981630244454298) {
  H_30(state, unused, out_7830981630244454298);
}
void car_h_26(double *state, double *unused, double *out_6695414859136494820) {
  h_26(state, unused, out_6695414859136494820);
}
void car_H_26(double *state, double *unused, double *out_1571145352863149447) {
  H_26(state, unused, out_1571145352863149447);
}
void car_h_27(double *state, double *unused, double *out_8977205908191021475) {
  h_27(state, unused, out_8977205908191021475);
}
void car_H_27(double *state, double *unused, double *out_8392168372281154101) {
  H_27(state, unused, out_8392168372281154101);
}
void car_h_29(double *state, double *unused, double *out_7949566313434696429) {
  h_29(state, unused, out_7949566313434696429);
}
void car_H_29(double *state, double *unused, double *out_8341212974558846482) {
  H_29(state, unused, out_8341212974558846482);
}
void car_h_28(double *state, double *unused, double *out_8531535863254668338) {
  h_28(state, unused, out_8531535863254668338);
}
void car_H_28(double *state, double *unused, double *out_3258813957489315908) {
  H_28(state, unused, out_3258813957489315908);
}
void car_h_31(double *state, double *unused, double *out_5974550751915635794) {
  h_31(state, unused, out_5974550751915635794);
}
void car_H_31(double *state, double *unused, double *out_944937250629797971) {
  H_31(state, unused, out_944937250629797971);
}
void car_predict(double *in_x, double *in_P, double *in_Q, double dt) {
  predict(in_x, in_P, in_Q, dt);
}
void car_set_mass(double x) {
  set_mass(x);
}
void car_set_rotational_inertia(double x) {
  set_rotational_inertia(x);
}
void car_set_center_to_front(double x) {
  set_center_to_front(x);
}
void car_set_center_to_rear(double x) {
  set_center_to_rear(x);
}
void car_set_stiffness_front(double x) {
  set_stiffness_front(x);
}
void car_set_stiffness_rear(double x) {
  set_stiffness_rear(x);
}
}

const EKF car = {
  .name = "car",
  .kinds = { 25, 24, 30, 26, 27, 29, 28, 31 },
  .feature_kinds = {  },
  .f_fun = car_f_fun,
  .F_fun = car_F_fun,
  .err_fun = car_err_fun,
  .inv_err_fun = car_inv_err_fun,
  .H_mod_fun = car_H_mod_fun,
  .predict = car_predict,
  .hs = {
    { 25, car_h_25 },
    { 24, car_h_24 },
    { 30, car_h_30 },
    { 26, car_h_26 },
    { 27, car_h_27 },
    { 29, car_h_29 },
    { 28, car_h_28 },
    { 31, car_h_31 },
  },
  .Hs = {
    { 25, car_H_25 },
    { 24, car_H_24 },
    { 30, car_H_30 },
    { 26, car_H_26 },
    { 27, car_H_27 },
    { 29, car_H_29 },
    { 28, car_H_28 },
    { 31, car_H_31 },
  },
  .updates = {
    { 25, car_update_25 },
    { 24, car_update_24 },
    { 30, car_update_30 },
    { 26, car_update_26 },
    { 27, car_update_27 },
    { 29, car_update_29 },
    { 28, car_update_28 },
    { 31, car_update_31 },
  },
  .Hes = {
  },
  .sets = {
    { "mass", car_set_mass },
    { "rotational_inertia", car_set_rotational_inertia },
    { "center_to_front", car_set_center_to_front },
    { "center_to_rear", car_set_center_to_rear },
    { "stiffness_front", car_set_stiffness_front },
    { "stiffness_rear", car_set_stiffness_rear },
  },
  .extra_routines = {
  },
};

ekf_lib_init(car)