text: /*
   *             Automatically Tuned Linear Algebra Software v3.10.0
   *                    (C) Copyright 2001 R. Clint Whaley
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *   1. Redistributions of source code must retain the above copyright
   *      notice, this list of conditions and the following disclaimer.
   *   2. Redistributions in binary form must reproduce the above copyright
   *      notice, this list of conditions, and the following disclaimer in the
   *      documentation and/or other materials provided with the distribution.
   *   3. The name of the ATLAS group or the names of its contributers may
   *      not be used to endorse or promote products derived from this
   *      software without specific written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ATLAS GROUP OR ITS CONTRIBUTORS
   * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   *
   */
  #include "atlas_lapack.h"
  #ifdef TREAL
     #define my_syrk cblas_syrk
     #define my_trans CblasTrans
  #else
     #define my_syrk cblas_herk
     #define my_trans CblasConjTrans
  #endif
  
  #ifdef RowMajor_
     #define MyOrder CblasRowMajor
     #define ATL_lauumU Mjoin(PATL,lauumRU)
     #define ATL_lauumL Mjoin(PATL,lauumRL)
  #else
     #define MyOrder CblasColMajor
     #define ATL_lauumU Mjoin(PATL,lauumCU)
     #define ATL_lauumL Mjoin(PATL,lauumCL)
  #endif
  
  void ATL_lauumU(const int N, TYPE *A, const int lda)
  {
     int Nleft, Nright;
     #ifdef TREAL
        const TYPE one=ATL_rone;
     #else
        const TYPE one[2]={ATL_rone, ATL_rzero};
     #endif
     TYPE *G, *U0=A, *U1;
  
     if (N > 1)
     {
        Nleft = N >> 1;
        #ifdef NB
           if (Nleft > NB) Nleft = ATL_MulByNB(ATL_DivByNB(Nleft));
        #endif
        Nright = N - Nleft;
        #ifdef RowMajor_
           G  = A + (Nleft SHIFT);
           U1 = G + Nleft*(lda SHIFT);
        #else
           G  = A + Nleft*(lda SHIFT);
           U1 = G + (Nleft SHIFT);
        #endif
        ATL_lauumU(Nleft, U0, lda);
        my_syrk(MyOrder, CblasUpper, CblasNoTrans, Nleft, Nright, ATL_rone,
                G, lda, ATL_rone, U0, lda);
        cblas_trmm(MyOrder, CblasRight, CblasUpper, my_trans, CblasNonUnit,
                   Nleft, Nright, one, U1, lda, G, lda);
        ATL_lauumU(Nright, U1, lda);
     }
     else *A = *A * *A;
  }
  