Function set_matrix_data

cvxpy/cvxcore/python/cppbackend.py:230–248

Calls the appropriate cvxcore function to set the matrix data field of our C++ linOp.

(linC, linPy)

def set_matrix_data(linC, linPy) -> None:
    """Calls the appropriate cvxcore function to set the matrix data field of
    our C++ linOp.
    """

    if get_type(linPy) == cvxcore.SPARSE_CONST:
        coo = format_matrix(linPy.data, format="sparse")
        # Ensure arrays are contiguous for C++ SWIG interface.
        # scipy 1.17.0 may return non-contiguous arrays from sparse conversions.
        linC.set_sparse_data(
            np.ascontiguousarray(coo.data),
            np.ascontiguousarray(coo.row, dtype=float),
            np.ascontiguousarray(coo.col, dtype=float),
            coo.shape[0],
            coo.shape[1],
        )
    else:
        linC.set_dense_data(format_matrix(linPy.data, shape=linPy.shape))
        linC.set_data_ndim(len(linPy.data.shape))


def format_matrix(matrix, shape=None, format="dense"):