将matlab数组(MAT-file)转换为C++数组

#include <iostream>
#include <engine.h>

int main() {
    Engine* eng = engOpen(NULL);
    if (eng == NULL) {
        std::cout << "Failed to open MATLAB engine" << std::endl;
        return 1;
    }

    // Load MAT-file
    mxArray* matArray = engGetVariable(eng, "matArray");
    if (matArray == NULL) {
        std::cout << "Failed to load MAT-file" << std::endl;
        return 1;
    }

    // Get array dimensions
    mwSize numRows = mxGetM(matArray);
    mwSize numCols = mxGetN(matArray);

    // Get array data type
    mxClassID dataType = mxGetClassID(matArray);

    // Create C++ array
    if (dataType == mxDOUBLE_CLASS) {
        double* cArray = new double[numRows * numCols];
        memcpy(cArray, mxGetPr(matArray), sizeof(double) * numRows * numCols);
        // Use cArray for further processing
        delete[] cArray;
    }
    else if (dataType == mxSINGLE_CLASS) {
        float* cArray = new float[numRows * numCols];
        memcpy(cArray, mxGetPr(matArray), sizeof(float) * numRows * numCols);
        // Use cArray for further processing
        delete[] cArray;
    }
    // Add more data types as needed

    // Clean up
    mxDestroyArray(matArray);
    engClose(eng);

    return 0;
}