code: public static int cusparseXbsrsm2_zeroPivot(
          cusparseHandle handle, 
          bsrsm2Info info, 
          Pointer position)
      {
          return checkResult(cusparseXbsrsm2_zeroPivotNative(handle, info, position));
      }
docs: <pre>
  Description: Solution of triangular linear system op(A) * X = alpha * B,
  with multiple right-hand-sides, where A is a sparse matrix in CSR storage
  format, rhs B and solution X are dense tall matrices.
  This routine implements algorithm 2 for this problem.
  </pre>