Function cusparseDpruneCsr2csr_bufferSizeExt 

pub unsafe fn cusparseDpruneCsr2csr_bufferSizeExt(
    handle: cusparseHandle_t,
    m: c_int,
    n: c_int,
    nnzA: c_int,
    descrA: cusparseMatDescr_t,
    csrSortedValA: *const f64,
    csrSortedRowPtrA: *const c_int,
    csrSortedColIndA: *const c_int,
    threshold: *const f64,
    descrC: cusparseMatDescr_t,
    csrSortedValC: *const f64,
    csrSortedRowPtrC: *const c_int,
    csrSortedColIndC: *const c_int,
    pBufferSizeInBytes: *mut usize,
) -> cusparseStatus_t