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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 3.0 -- April 1, 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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* Contributor(s) : R. Clint Whaley
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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_rblas3.h"
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#include "atlas_kernel3.h"
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* ATL_rtrsmLUC solves the matrix equation
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* conjg( A' ) * X = alpha * B,
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* where alpha is a scalar, X and B are m by n matrices, A is a unit, or
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* non-unit, upper triangular matrix. The matrix X is overwritten on B.
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* This is a type-less recursive version of the algorithm.
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* ---------------------------------------------------------------------
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* .. Local Variables ..
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* .. Executable Statements ..
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if( ( m1 = M - RB ) <= 0 )
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{ RTYP->Ttrsm( M, N, ALPHA, A, LDA, B, LDB ); return; }
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m2 = M - ( m1 = RB + ( m1 / ( RB << 1 ) ) * RB ); size = RTYP->size;
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ATL_rtrsmLUC( RTYP, m1, N, ALPHA, A, LDA, B, LDB, RB );
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RTYP->Tgemm( m2, N, m1, RTYP->negone, Mrc3( A, 0, m1, LDA, size ),
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LDA, B, LDB, ALPHA, Mrc3( B, m1, 0, LDB, size ), LDB );
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ATL_rtrsmLUC( RTYP, m2, N, RTYP->one, Mrc3( A, m1, m1, LDA, size ),
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LDA, Mrc3( B, m1, 0, LDB, size ), LDB, RB );
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* End of ATL_rtrsmLUC