mexopencv  3.4.1
MEX interface for OpenCV library
eigen.cpp
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1 
8 #include "mexopencv.hpp"
9 using namespace std;
10 using namespace cv;
11 
19 void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
20 {
21  // Check the number of arguments
22  nargchk(nrhs==1 && nlhs<=3);
23 
24  // Argument vector
25  vector<MxArray> rhs(prhs, prhs+nrhs);
26 
27  // Process
28  Mat src(rhs[0].toMat(rhs[0].isSingle() ? CV_32F : CV_64F));
29  Mat evals, evects;
30  bool b = eigen(src, evals, (nlhs>1 ? evects : noArray()));
31  plhs[0] = MxArray(evals);
32  if (nlhs > 1)
33  plhs[1] = MxArray(evects);
34  if (nlhs > 2)
35  plhs[2] = MxArray(b);
36 }
bool eigen(InputArray src, OutputArray eigenvalues, OutputArray eigenvectors=noArray())
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
Main entry called from Matlab.
Definition: eigen.cpp:19
STL namespace.
struct mxArray_tag mxArray
Forward declaration for mxArray.
Definition: matrix.h:259
#define CV_32F
InputOutputArray noArray()
#define CV_64F
mxArray object wrapper for data conversion and manipulation.
Definition: MxArray.hpp:123
void nargchk(bool cond)
Alias for input/output arguments number check.
Definition: mexopencv.hpp:181
STL class.
Global constant definitions.
cv::Mat toMat() const