code: def cublasDtrsm(handle, side, uplo, trans, diag, m, n, alpha, A, lda, B, ldb):
      
      
      status = _libcublas.cublasDtrsm_v2(handle, 
                                         _CUBLAS_SIDE_MODE[side], 
                                         _CUBLAS_FILL_MODE[uplo], 
                                         _CUBLAS_OP[trans], 
                                         _CUBLAS_DIAG[diag], 
                                         m, n, ctypes.byref(ctypes.c_double(alpha)),
                                         int(A), lda, int(B), ldb)
      cublasCheckStatus(status)
docs: Solve a real triangular system with multiple right-hand sides.