/* -*-c-*- Put emacs into c-mode
* <mtt_model_name>_sfun_ae.c:
* Matlab mex algebraic equations for <mtt_model_name>
*/
#if <have_algebraic_equations> /* have_algebraic_equations */
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <mex.h>
#include "sfun_debug.h"
#include "useful-functions.hh"
#include "<mtt_model_name>_def.h"
#include "<mtt_model_name>_sympar.h"
#include "<mtt_model_name>_cr.h"
/* utility procedures */
double *
array_of_double (size_t n)
{
void *p = calloc (n, sizeof (double));
if (! p) {
fprintf (stderr, "*** Error: failed to allocate memory\n");
}
return (double *) p;
}
/* system equations */
static void
<mtt_model_name>_ae (double *mttyz,
const double *mttx,
const double *mttu,
const double mttt,
const double *mttpar)
{
#include "<mtt_model_name>_ae.c"
PRINT_LEAVE;
}
/* generic mex function */
#ifdef __cplusplus
extern "C" {
#endif
void
mexFunction (int nlhs, mxArray *plhs[],
int nrhs, const mxArray *prhs[])
{
double *mttyz; /* residuals */
double *mttx; /* states */
double *mttu; /* known + unknown inputs */
double mttt; /* time */
double *mttpar; /* parameters */
unsigned int i;
double *p;
PRINT_ENTER;
mttyz = array_of_double (MTTNYZ);
mttx = array_of_double (MTTNX);
mttu = array_of_double (MTTNU + MTTNYZ);
mttpar = array_of_double (MTTNPAR);
/* get trial values */
p = mxGetPr (prhs[0]);
for (i = 0; i < MTTNYZ; i++) {
mttu[MTTNU + i] = p[i];
}
/* get states */
p = mxGetPr (prhs[1]);
for (i = 0; i < MTTNX; i++) {
mttx[i] = p[i];
}
/* get known inputs */
p = mxGetPr (prhs[2]);
for (i = 0; i < MTTNU; i++) {
mttu[i] = p[i];
}
/* get time */
p = mxGetPr (prhs[3]);
mttt = *p;
/* get parameters */
p = mxGetPr (prhs[4]);
for (i = 0; i < MTTNPAR; i++) {
mttpar[i] = p[i];
}
/* evaluate residuals */
<mtt_model_name>_ae (mttyz, mttx, mttu, mttt, mttpar);
/* return residuals */
plhs[0] = mxCreateDoubleMatrix (MTTNYZ, 1, mxREAL);
p = mxGetPr (plhs[0]);
for (i = 0; i < MTTNYZ; i++) {
p[i] = mttyz[i];
}
/* release memory */
free (mttx);
free (mttu);
free (mttpar);
free (mttyz);
PRINT_LEAVE;
}
#ifdef __cplusplus
}
#endif
#endif /* have_algebraic_equations */