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/* ---------------------------------------------------------------------
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* -- Automatically Tuned Linear Algebra Software (ATLAS)
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* (C) Copyright 2000 All Rights Reserved
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* -- ATLAS routine -- Version 3.2 -- December 15, 2000
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* -- Suggestions, comments, bugs reports should be sent to the follo-
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* wing e-mail address: atlas@cs.utk.edu
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* Author : Antoine P. Petitet
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* University of Tennessee - Innovative Computing Laboratory
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* Knoxville TN, 37996-1301, USA.
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* ---------------------------------------------------------------------
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* -- Copyright notice and Licensing terms:
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions, and the following disclaimer in
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* the documentation and/or other materials provided with the distri-
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* 3. The name of the University, the ATLAS group, or the names of its
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* contributors may not be used to endorse or promote products deri-
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* ved from this software without specific written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
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* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEO-
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* RY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (IN-
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* CLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ---------------------------------------------------------------------
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#include "atlas_refmisc.h"
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#include "atlas_reflvl3.h"
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#include "atlas_reflevel3.h"
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* ATL_zrefher2kLC( ... )
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* ATL_zrefher2k( AtlasLower, AtlasConjTrans, ... )
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* See ATL_zrefher2k for details.
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* ---------------------------------------------------------------------
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* .. Local Variables ..
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double t0_i, t0_r, t1_i, t1_r;
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int i, iali, ialj, ibli, iblj, icij, j, jai, jaj,
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jbi, jbj, jcj, l, lda2 = ( LDA << 1 ),
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ldb2 = ( LDB << 1 ), ldc2 = ( LDC << 1 );
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* .. Executable Statements ..
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for( j = 0, jaj = 0, jbj = 0, jcj = 0;
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j < N; j++, jaj += lda2, jbj += ldb2, jcj += ldc2 )
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for( i = j, jai = j*lda2, jbi = j*ldb2, icij = (j << 1)+jcj;
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i < N; i++, jai += lda2, jbi += ldb2, icij += 2 )
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Mset( ATL_dZERO, ATL_dZERO, t0_r, t0_i );
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Mset( ATL_dZERO, ATL_dZERO, t1_r, t1_i );
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for( l = 0, iali = jai, ialj = jaj, ibli = jbi, iblj = jbj;
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l < K; l++, iali += 2, ialj += 2, ibli += 2, iblj += 2 )
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Mmla( A[iali], -A[iali+1], B[iblj], B[iblj+1], t0_r, t0_i );
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Mmla( B[ibli], -B[ibli+1], A[ialj], A[ialj+1], t1_r, t1_i );
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Mdelscal( BETA, C[icij] );
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Mset( C[icij] + ALPHA[0] * t0_r - ALPHA[1] * t0_i +
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ALPHA[0] * t1_r + ALPHA[1] * t1_i,
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ATL_dZERO, C[icij], C[icij+1] );
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Mdelscal( BETA, C[icij ] ); Mdelscal( BETA, C[icij+1] );
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Mmla( ALPHA[0], ALPHA[1], t0_r, t0_i, C[icij], C[icij+1] );
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Mmla( ALPHA[0], -ALPHA[1], t1_r, t1_i, C[icij], C[icij+1] );
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* End of ATL_zrefher2kLC