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matlabModel.cpp
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matlabModel.cpp
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/* Author : Subhransu Maji
*
* Code for encoding the matlab model
*
* Version 1.0
*/
#include <stdlib.h>
#include <string.h>
#include "additiveModel.h"
#include "mex.h"
#if MX_API_VER < 0x07030000
typedef int mwIndex;
#endif
#define Malloc(type,n) (type *)malloc((n)*sizeof(type))
#define NUM_OF_RETURN_FIELD 17
static const char *field_names[] = {
"encoding",
"degree",
"regularization",
"numbins",
"numbasis",
"dim",
"wdim",
"xmin",
"xmax",
"xmean",
"xvar",
"st",
"a",
"b",
"dimwts",
"w",
"bias",
};
// convert model to matlab
const char *model_to_matlab_structure(mxArray *plhs[], additiveModel *model_){
int i,out_id=0;
double *ptr;
mxArray *return_model, **rhs;
rhs = (mxArray **)mxMalloc(sizeof(mxArray *)*NUM_OF_RETURN_FIELD);
//encoding
rhs[out_id] = mxCreateDoubleMatrix(1, 1, mxREAL);
ptr = mxGetPr(rhs[out_id]);
ptr[0] = model_->encoding;
out_id++;
// degree
rhs[out_id] = mxCreateDoubleMatrix(1, 1, mxREAL);
ptr = mxGetPr(rhs[out_id]);
ptr[0] = model_->degree;
out_id++;
// regularization
rhs[out_id] = mxCreateDoubleMatrix(1, 1, mxREAL);
ptr = mxGetPr(rhs[out_id]);
ptr[0] = model_->reg;
out_id++;
// numbins
rhs[out_id] = mxCreateDoubleMatrix(1, 1, mxREAL);
ptr = mxGetPr(rhs[out_id]);
ptr[0] = model_->numbins;
out_id++;
// numbasis
rhs[out_id] = mxCreateDoubleMatrix(1, 1, mxREAL);
ptr = mxGetPr(rhs[out_id]);
ptr[0] = model_->numbasis;
out_id++;
// dim
rhs[out_id] = mxCreateDoubleMatrix(1, 1, mxREAL);
ptr = mxGetPr(rhs[out_id]);
ptr[0] = model_->dim;
out_id++;
// wdim
rhs[out_id] = mxCreateDoubleMatrix(1, 1, mxREAL);
ptr = mxGetPr(rhs[out_id]);
ptr[0] = model_->wdim;
out_id++;
//xmin
rhs[out_id] = mxCreateDoubleMatrix(model_->dim, 1, mxREAL);
ptr = mxGetPr(rhs[out_id]);
for(i = 0; i < model_->dim; i++)
ptr[i] = model_->xmin[i];
out_id++;
//xmax
rhs[out_id] = mxCreateDoubleMatrix(model_->dim, 1, mxREAL);
ptr = mxGetPr(rhs[out_id]);
for(i = 0; i < model_->dim; i++)
ptr[i] = model_->xmax[i];
out_id++;
//xmean
rhs[out_id] = mxCreateDoubleMatrix(model_->dim, 1, mxREAL);
ptr = mxGetPr(rhs[out_id]);
for(i = 0; i < model_->dim; i++)
ptr[i] = model_->xmean[i];
out_id++;
//xvar
rhs[out_id] = mxCreateDoubleMatrix(model_->dim, 1, mxREAL);
ptr = mxGetPr(rhs[out_id]);
for(i = 0; i < model_->dim; i++)
ptr[i] = model_->xvar[i];
out_id++;
//st
rhs[out_id] = mxCreateDoubleMatrix(model_->dim, 1, mxREAL);
ptr = mxGetPr(rhs[out_id]);
for(i = 0; i < model_->dim; i++)
ptr[i] = model_->st[i];
out_id++;
//a
rhs[out_id] = mxCreateDoubleMatrix(model_->dim, 1, mxREAL);
ptr = mxGetPr(rhs[out_id]);
for(i = 0; i < model_->dim; i++)
ptr[i] = model_->a[i];
out_id++;
//b
rhs[out_id] = mxCreateDoubleMatrix(model_->dim, 1, mxREAL);
ptr = mxGetPr(rhs[out_id]);
for(i = 0; i < model_->dim; i++)
ptr[i] = model_->b[i];
out_id++;
//dimwts
if(model_->dimwts != NULL){
rhs[out_id] = mxCreateDoubleMatrix(model_->numbasis, 1, mxREAL);
ptr = mxGetPr(rhs[out_id]);
for(i = 0; i < model_->numbasis; i++)
ptr[i] = model_->dimwts[i];
}else {
rhs[out_id] = mxCreateDoubleMatrix(1, 1, mxREAL);
}
out_id++;
//w
rhs[out_id] = mxCreateDoubleMatrix(1, model_->wdim, mxREAL);
ptr = mxGetPr(rhs[out_id]);
for(i = 0; i < model_->wdim; i++)
ptr[i]=model_->w[i];
out_id++;
// bias
rhs[out_id] = mxCreateDoubleMatrix(1, 1, mxREAL);
ptr = mxGetPr(rhs[out_id]);
ptr[0] = model_->bias;
out_id++;
// create a struct matrix contains NUM_OF_RETURN_FIELD fields
return_model = mxCreateStructMatrix(1, 1, NUM_OF_RETURN_FIELD, field_names);
// fill struct matrix with input arguments
for(i = 0; i < NUM_OF_RETURN_FIELD; i++)
mxSetField(return_model,0,field_names[i],mxDuplicateArray(rhs[i]));
// return model
plhs[0] = return_model;
mxFree(rhs);
return NULL;
}
// convert matlab struct to model
const char *matlab_matrix_to_model(additiveModel *model_, const mxArray *matlab_struct){
int i, num_of_fields;
double *ptr;
int id = 0;
mxArray **rhs;
num_of_fields = mxGetNumberOfFields(matlab_struct);
rhs = (mxArray **) mxMalloc(sizeof(mxArray *)*num_of_fields);
for(i=0;i<num_of_fields;i++)
rhs[i] = mxGetFieldByNumber(matlab_struct, 0, i);
// encoding
ptr = mxGetPr(rhs[id]);
model_->encoding = (int)ptr[0];
id++;
// degree
ptr = mxGetPr(rhs[id]);
model_->degree = (int)ptr[0];
id++;
// regularization
ptr = mxGetPr(rhs[id]);
model_->reg = (int)ptr[0];
id++;
// numbins
ptr = mxGetPr(rhs[id]);
model_->numbins = (int)ptr[0];
id++;
// numbasis
ptr = mxGetPr(rhs[id]);
model_->numbasis = (int)ptr[0];
id++;
// dim
ptr = mxGetPr(rhs[id]);
model_->dim = (int)ptr[0];
id++;
// wdim
ptr = mxGetPr(rhs[id]);
model_->wdim = (int)ptr[0];
id++;
// xmin
ptr = mxGetPr(rhs[id]);
model_->xmin = new double[model_->dim];
for(i=0; i<model_->dim; i++)
model_->xmin[i]=ptr[i];
id++;
// xmax
ptr = mxGetPr(rhs[id]);
model_->xmax = new double[model_->dim];
for(i=0; i<model_->dim; i++)
model_->xmax[i]=ptr[i];
id++;
// xmean
ptr = mxGetPr(rhs[id]);
model_->xmean = new double[model_->dim];
for(i=0; i<model_->dim; i++)
model_->xmean[i]=ptr[i];
id++;
// xvar
ptr = mxGetPr(rhs[id]);
model_->xvar = new double[model_->dim];
for(i=0; i<model_->dim; i++)
model_->xvar[i]=ptr[i];
id++;
// st
ptr = mxGetPr(rhs[id]);
model_->st = new double[model_->dim];
for(i=0; i<model_->dim; i++)
model_->st[i]=ptr[i];
id++;
// a
ptr = mxGetPr(rhs[id]);
model_->a = new double[model_->dim];
for(i=0; i<model_->dim; i++)
model_->a[i]=ptr[i];
id++;
// b
ptr = mxGetPr(rhs[id]);
model_->b = new double[model_->dim];
for(i=0; i<model_->dim; i++)
model_->b[i]=ptr[i];
id++;
// dimwts
ptr = mxGetPr(rhs[id]);
if(model_->encoding != SPLINE){
model_->dimwts = new double[model_->numbasis];
for(i=0; i<model_->numbasis; i++)
model_->dimwts[i]=ptr[i];
}else {
model_->dimwts = NULL;
}
id++;
// w
ptr = mxGetPr(rhs[id]);
model_->w=new double[model_->wdim];
for(i = 0; i < model_->wdim; i++)
model_->w[i]=ptr[i];
id++;
// bias
ptr = mxGetPr(rhs[id]);
model_->bias = ptr[0];
id++;
mxFree(rhs);
return NULL;
}