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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 25, 2000
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* Author : Antoine P. Petitet
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* Contributor(s) : R. Clint Whaley
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* Originally developed at the University of Tennessee,
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* Innovative Computing Laboratory, 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_misc.h"
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#include "atlas_level1.h"
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#include "atlas_kernel2.h"
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#include "atlas_reflvl2.h"
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#include "atlas_lvl2.h"
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void Mjoin( PATL, trmvUN )
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const enum ATLAS_DIAG DIAG,
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const int N, /* N > 0 assumed */
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* Mjoin( PATL, trmvUN ) performs the following matrix-vector operation
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* where x is an n-element vector and A is an n by n unit or non-unit,
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* upper triangular matrix.
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* This is a blocked version of the algorithm. For a more detailed des-
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* cription of the arguments of this function, see the reference imple-
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* mentation in the ATLAS/src/blas/reference directory.
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* ---------------------------------------------------------------------
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* .. Local Variables ..
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TYPE one[2] = { ATL_rone, ATL_rzero };
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const int lda2 = ( LDA SHIFT );
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int incA, incX, mb, mb1, n, nb;
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int incA0, incA, incX, m, mb, nb, nb1;
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void (*trmv0)( const int, const TYPE *, const int,
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#define gemv0 Mjoin( PATL, gemvN_a1_x1_b1_y1 )
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* .. Executable Statements ..
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ATL_GetPartMVN( A, LDA, &mb, &nb );
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if( DIAG == AtlasNonUnit ) trmv0 = Mjoin( PATL, trmvUNN );
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else trmv0 = Mjoin( PATL, trmvUNU );
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mb1 = N - ( ( N - 1 ) / mb ) * mb;
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incA = mb * lda2 + ( incX = (mb SHIFT) );
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for( n = N - mb, A0 = (TYPE *)(A) + mb * lda2, x0 = X + incX; n > 0;
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n -= mb, A0 += incA, A += incA, X += incX, x0 += incX )
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trmv0( mb, A, LDA, X );
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gemv0( mb, n, one, A0, LDA, x0, 1, one, X, 1 );
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trmv0( mb1, A, LDA, X );
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nb1 = N - ( ( N - 1 ) / nb ) * nb;
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incA = ( incA0 = nb * lda2 ) + ( incX = (nb SHIFT) ); x0 = X;
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trmv0( nb1, A, LDA, X );
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X += (nb1 SHIFT); A0 = (TYPE *)(A += nb1 * lda2); A += (nb1 SHIFT);
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for( m = nb1; m < N; m += nb, A0 += incA0, A += incA, X += incX )
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gemv0( m, nb, one, A0, LDA, X, 1, one, x0, 1 );
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trmv0( nb, A, LDA, X );
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* End of Mjoin( PATL, trmvUN )
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* Automatically Tuned Linear Algebra Software v3.10.1
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* (C) Copyright 1999 R. Clint Whaley
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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 the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the ATLAS group or the names of its contributers may
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* not be used to endorse or promote products derived from this
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* 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 LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ATLAS GROUP OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
added
removed
src/blas/level2/kernel/ATL_trmvUN.c
