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mex_text1r.c
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mex_text1r.c
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#include <mex.h>
#include <string.h>
#include <stdio.h>
#define PARS_H "text1r.h"
#define PARS text1r_pars_
#define PARS_T text1r_pars_t
#define FIELDS "text1r.def"
#include PARS_H
/**********************************************************/
/* set a field to matlab/octave structure from an array */
void
set_field(mxArray *mst, int nfld, int N, double *arr){
int i;
double *arr1 = mxMalloc(N*sizeof(double));
mxArray *mxarr = mxCreateNumericMatrix(N, 1, mxDOUBLE_CLASS, mxREAL);
for (i=0; i<N; i++) arr1[i]=arr[i];
mxSetData(mxarr, arr1);
mxSetFieldByNumber(mst, 0, nfld, mxarr);
}
/* set a field to matlab/octave structure from an integer array */
void
set_field_i(mxArray *mst, int nfld, int N, int *arr){
int i;
double *arr1 = mxMalloc(N*sizeof(double));
mxArray *mxarr = mxCreateNumericMatrix(N, 1, mxDOUBLE_CLASS, mxREAL);
for (i=0; i<N; i++) arr1[i]=(double)arr[i];
mxSetData(mxarr, arr1);
mxSetFieldByNumber(mst, 0, nfld, mxarr);
}
/* get a field from matlab structure into an integer array */
void
get_field(const mxArray *mst, int nfld, int N, double *arr){
int i;
mxArray *v;
double *arr1;
v = mxGetFieldByNumber(mst, 0, nfld);
if (!mxIsDouble(v))
mexErrMsgTxt("Not a floating point array in a structure field");
if (mxGetNumberOfElements(v)!=N)
mexErrMsgTxt("Wrong size of array in a structure field");
arr1 = mxGetData(v);
for (i=0;i<N;i++) arr[i] = arr1[i];
}
void
get_field_i(const mxArray *mst, int nfld, int N, int *arr){
int i;
mxArray *v;
double *arr1;
v = mxGetFieldByNumber(mst, 0, nfld);
if (!mxIsDouble(v))
mexErrMsgTxt("Not an array in a structure field");
if (mxGetNumberOfElements(v)!=N)
mexErrMsgTxt("Wrong size of array in a structure field");
arr1 = mxGetData(v);
for (i=0;i<N;i++) arr[i] = (int)arr1[i];
}
/**********************************************************/
/* Convert c structure to matlab.
List of field is read from FIELDS file. */
mxArray *
pars_c2mat(PARS_T *cst){
int i;
const char *keys[256]; /* max number of fields */
i=0;
#define INT(name) keys[i]=#name; i++;
#define DBL(name) keys[i]=#name; i++;
#define ARR(name) keys[i]=#name; i++;
#include FIELDS
#undef INT
#undef DBL
#undef ARR
mxArray * mst = mxCreateStructMatrix(1,1,i, keys);
i=0;
#define INT(name) set_field_i(mst, i, 1, &cst->name); i++;
#define DBL(name) set_field(mst, i, 1, &cst->name); i++;
#define ARR(name) set_field(mst, i, cst->n, cst->name); i++;
#include FIELDS
#undef INT
#undef DBL
#undef ARR
return mst;
}
/* Convert matlab structure to c.
List of field is read from FIELDS file. */
void
pars_mat2c(PARS_T *cst, const mxArray *mst){
int i;
const char * k;
if (!mxIsStruct(mst))
mexErrMsgTxt("Structure expected");
if (mxGetNumberOfElements(mst)!=1)
mexErrMsgTxt("One element in StructureArray is needed");
for (i = 0; i < mxGetNumberOfFields(mst); i++){
k = mxGetFieldNameByNumber(mst, i);
#define INT(name)\
if (strcmp(k, #name)==0){ get_field_i(mst, i, 1, &cst->name); continue;}
#define DBL(name)\
if (strcmp(k, #name)==0){ get_field(mst, i, 1, &cst->name); continue;}
#define ARR(name)\
if (strcmp(k, #name)==0){ get_field(mst, i, cst->n, cst->name); continue;}
#include FIELDS
#undef INT
#undef DBL
#undef ARR
mexErrMsgTxt("Unknown field");
}
}
/**********************************************************/
void
mexFunction(int nlhs, mxArray *plhs[],
int nrhs, const mxArray *prhs[]){
extern PARS_T PARS;
int i;
#if FTYPE==1
/* init function */
int j;
double in[6];
extern void FUNC(
double *ttc,double *p,double *nu0,double *r, int *n ,int *itype);
if (nlhs != 1)
mexErrMsgTxt("output argument is needed");
if (nrhs != 6 && nrhs != 5 && nrhs != 4)
mexErrMsgTxt("Usage: data = text1r_init(ttc, p, nu0, r, n, itype);");
for (i=0; i<6; i++){
if (i==4 && nrhs < 5){ in[i]=MAXN; continue; }
if (i==5 && nrhs < 6){ in[i]=0; continue; }
if (!mxIsDouble(prhs[i]))
mexErrMsgTxt("non-numeric argument");
if (mxGetM(prhs[i])!=1 || mxGetM(prhs[i])!=1)
mexErrMsgTxt("non-scalar argument");
in[i] = *mxGetPr(prhs[i]);
}
i = (int)in[4]; /* double -> int */
j = (int)in[5]; /* double -> int */
FUNC(&in[0], &in[1], &in[2], &in[3], &i, &j);
plhs[0] = pars_c2mat(&PARS);
#elif FTYPE==2
/* set_vortex_* functions */
double in[2];
extern void FUNC(double *v1, double *v2);
if (nlhs != 1)
mexErrMsgTxt("output argument is needed");
if (nrhs != 3)
mexErrMsgTxt("wrong number of parameters");
for (i=1; i<3; i++){
if (!mxIsDouble(prhs[i]))
mexErrMsgTxt("non-numeric argument");
if (mxGetM(prhs[i])!=1 || mxGetM(prhs[i])!=1)
mexErrMsgTxt("non-scalar argument");
in[i-1] = *mxGetPr(prhs[i]);
}
pars_mat2c(&PARS, prhs[0]);
FUNC(&in[0], &in[1]);
plhs[0] = pars_c2mat(&PARS);
#elif FTYPE==3
/* minimize function */
extern void FUNC(int *msglev);
if (nlhs != 1)
mexErrMsgTxt("output argument is needed");
if (nrhs != 1 && nrhs != 2)
mexErrMsgTxt("wrong number of parameters");
if (nrhs == 2){
if (!mxIsDouble(prhs[1]))
mexErrMsgTxt("non-numeric argument");
i = *(mxGetPr(prhs[1]));
}
else{
i=-3;
}
pars_mat2c(&PARS, prhs[0]);
FUNC(&i);
plhs[0] = pars_c2mat(&PARS);
#endif
return;
}