code: def cublasCher(handle, uplo, n, alpha, x, incx, A, lda):
      
  
      status = _libcublas.cublasCher_v2(handle, 
                                        _CUBLAS_FILL_MODE[uplo], 
                                        n, alpha, int(x), incx, int(A), lda)
      cublasCheckStatus(status)
docs: Rank-1 operation on Hermitian matrix.