fflas-ffpack-common 1.6.0-1 / usr / include / fflas-ffpack / fflas / fflas_ftrmm_src.inl

This file is indexed.

/usr/include/fflas-ffpack/fflas/fflas_ftrmm_src.inl is in fflas-ffpack-common 1.6.0-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below. 

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/* -*- mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
// vim:sts=8:sw=8:ts=8:noet:sr:cino=>s,f0,{0,g0,(0,\:0,t0,+0,=s
/* Copyright (C) 2005 C. Pernet
 * Written by C. Pernet
 *
 * ========LICENCE========
 * This file is part of the library FFLAS-FFPACK.
 *
 * FFLAS-FFPACK is free software: you can redistribute it and/or modify
 * it under the terms of the  GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * ========LICENCE========
 *
 */


#define Mjoin(pre, nam) my_join(pre, nam)
#define my_join(pre, nam) pre ## nam

#ifdef __FFLAS__TRANSPOSE
 #define __FFLAS__Acolinc lda
 #define __FFLAS__Arowinc 1
#else
 #define __FFLAS__Acolinc 1
 #define __FFLAS__Arowinc lda
#endif

#ifdef __FFLAS__LEFT
 #define __FFLAS__SIDE Left
 #define __FFLAS__Na M
 #define __FFLAS__Nb N
 #define __FFLAS__Mb nsplit
 #define __FFLAS__Nb2 N
 #define __FFLAS__Mb2 M-nsplit
 #define __FFLAS__Mbrest nrestsplit
 #define __FFLAS__Nbrest N
 #define __FFLAS__Mupdate nrestsplit + i * nsplit
 #define __FFLAS__Nupdate N
 #define __FFLAS__Bdim N
 #define __FFLAS__Bnorminc 1
 #ifdef __FFLAS__LOW
  #define __FFLAS__Atriang  A + (nbblocsplit - (i + 1)) * nsplit * (lda + 1)
  #define __FFLAS__Aupdate __FFLAS__Atriang + nsplit * __FFLAS__Arowinc
  #define __FFLAS__Arest A + nbblocsplit * nsplit * (lda+1)
  #define __FFLAS__Brec B + (nbblocsplit - (i+1)) * nsplit * ldb
  #define __FFLAS__Bupdate B + (nbblocsplit - i) * nsplit * ldb
  #define __FFLAS__Brest B + nbblocsplit * nsplit * ldb
  #define __FFLAS__A1 A + (nsplit) * (lda + 1)
  #define __FFLAS__A2 A + (nsplit) * __FFLAS__Arowinc
  #define __FFLAS__A3 A
  #define __FFLAS__B1 B + (nsplit) * ldb
  #define __FFLAS__B2 B
#else
  #define __FFLAS__Atriang A + (nrestsplit + i * nsplit) * (lda + 1)
  #define __FFLAS__Aupdate A + (nrestsplit + i * nsplit) * __FFLAS__Acolinc
  #define __FFLAS__Arest A
  #define __FFLAS__Brec B + (nrestsplit + i * nsplit) * ldb
  #define __FFLAS__Bupdate B
  #define __FFLAS__Brest B
  #define __FFLAS__A1 A
  #define __FFLAS__A2 A + (M-nsplit) * __FFLAS__Acolinc
  #define __FFLAS__A3 A + (M-nsplit) * (lda + 1)
  #define __FFLAS__B1 B
  #define __FFLAS__B2 B + (M-nsplit) * ldb
 #endif
#else
 #define __FFLAS__SIDE Right
 #define __FFLAS__Na N
 #define __FFLAS__Nb nsplit
 #define __FFLAS__Mb M
 #define __FFLAS__Mb2 M
 #define __FFLAS__Nb2 N-nsplit
 #define __FFLAS__Mbrest M
 #define __FFLAS__Nbrest nrestsplit
 #define __FFLAS__Mupdate M
 #define __FFLAS__Nupdate nrestsplit + i * nsplit
 #define __FFLAS__Bdim M
 #define __FFLAS__Bnorminc ldb
 #ifdef __FFLAS__UP
  #define __FFLAS__Atriang A + (nbblocsplit - (i + 1)) * nsplit * (lda + 1)
  #define __FFLAS__Aupdate __FFLAS__Atriang + nsplit * __FFLAS__Acolinc
  #define __FFLAS__Arest A + nbblocsplit * nsplit * (lda+1)
  #define __FFLAS__Brec B + (nbblocsplit - (i+1)) * nsplit
  #define __FFLAS__Bupdate B + (nbblocsplit - i) * nsplit
  #define __FFLAS__Brest B + nbblocsplit * nsplit
  #define __FFLAS__A1 A + (nsplit) * (lda + 1)
  #define __FFLAS__A2 A + (nsplit) * __FFLAS__Acolinc
  #define __FFLAS__A3 A
  #define __FFLAS__B1 B + nsplit
  #define __FFLAS__B2 B
#else
  #define __FFLAS__Atriang A + (nrestsplit + i * nsplit) * (lda + 1)
  #define __FFLAS__Aupdate A + (nrestsplit + i * nsplit) * __FFLAS__Arowinc
  #define __FFLAS__Arest A
  #define __FFLAS__Brec B + (nrestsplit + i * nsplit)
  #define __FFLAS__Bupdate B
  #define __FFLAS__Brest B
  #define __FFLAS__A1 A
  #define __FFLAS__A2 A + (N-nsplit) * __FFLAS__Arowinc
  #define __FFLAS__A3 A + (N-nsplit) * (lda + 1)
  #define __FFLAS__B1 B
  #define __FFLAS__B2 B + N-nsplit
 #endif
#endif

#ifdef __FFLAS__UP
 #define __FFLAS__UPLO Upper
#else
 #define __FFLAS__UPLO Lower
#endif

#ifdef __FFLAS__UNIT
 #define __FFLAS__DIAG Unit
#else
 #define __FFLAS__DIAG NonUnit
#endif

#ifdef __FFLAS__TRANSPOSE
 #define __FFLAS__TRANS Trans
#else
 #define __FFLAS__TRANS NoTrans
#endif

#ifdef __FFLAS__DOUBLE
 #define __FFLAS__ELEMENT double
 #define __FFLAS__DOMAIN DoubleDomain
 #define __FFLAS__BLAS_PREFIX d
#endif

#ifdef __FFLAS__FLOAT
 #define __FFLAS__ELEMENT float
 #define __FFLAS__DOMAIN FloatDomain
 #define __FFLAS__BLAS_PREFIX s
#endif

#ifdef __FFLAS__GENERIC
 #define __FFLAS__ELEMENT Element
#endif



#ifndef __FFLAS__GENERIC
template <>
class Mjoin(ftrmm, Mjoin(__FFLAS__SIDE, Mjoin(__FFLAS__UPLO, Mjoin(__FFLAS__TRANS, __FFLAS__DIAG))))<__FFLAS__ELEMENT>{
public:

template <class Field>
void delayed (const Field& F, const size_t M, const size_t N,
	      typename Field::Element * A, const size_t lda,
	      typename Field::Element * B, const size_t ldb)
{
	Mjoin(cblas_,Mjoin(__FFLAS__BLAS_PREFIX,trmm))
		(CblasRowMajor,
		 Mjoin (Cblas, __FFLAS__SIDE),
		 Mjoin (Cblas, __FFLAS__UPLO),
		 Mjoin (Cblas, __FFLAS__TRANS),
		 Mjoin (Cblas, __FFLAS__DIAG),
		 (int)M, (int)N, 1.0, A, (int)lda, B, (int)ldb );
	for (size_t i = 0; i < M; ++i)
		for (size_t j = 0; j < N; ++j)
			F.init (*(B + i*ldb + j), *(B + i*ldb + j));
}

template <class Field>
void operator () (const Field& F, const size_t M, const size_t N,
		  typename Field::Element * A, const size_t lda,
		  typename Field::Element * B, const size_t ldb)
{

	if (!M || !N ) return;

	size_t nsplit = DotProdBound (F, 0, F.one,
#ifdef __FFLAS__DOUBLE
				    FflasDouble
#else
                                    FflasFloat
#endif
				    );

	size_t nbblocsplit = (__FFLAS__Na-1) / nsplit;
	size_t nrestsplit = ((__FFLAS__Na-1) % nsplit) +1;
	FFLASFFPACK_check(__FFLAS__Na == nsplit*nbblocsplit+nrestsplit);

	if (nrestsplit)
		this->delayed (F, __FFLAS__Mbrest, __FFLAS__Nbrest,
			       __FFLAS__Arest, lda, __FFLAS__Brest, ldb);

	for ( size_t  i = 0; i < nbblocsplit; ++i) {

#ifdef __FFLAS__RIGHT
		fgemm (F, FflasNoTrans, Mjoin (Fflas, __FFLAS__TRANS),
		       __FFLAS__Mupdate, __FFLAS__Nupdate, nsplit, F.one,
		       __FFLAS__Brec, ldb, __FFLAS__Aupdate, lda, F.one, __FFLAS__Bupdate, ldb);
#else
		fgemm (F, Mjoin (Fflas, __FFLAS__TRANS),  FflasNoTrans,
		       __FFLAS__Mupdate, __FFLAS__Nupdate, nsplit, F.one,
		       __FFLAS__Aupdate, lda, __FFLAS__Brec, ldb, F.one, __FFLAS__Bupdate, ldb);
#endif

		this->delayed (F, __FFLAS__Mb, __FFLAS__Nb,
			       __FFLAS__Atriang, lda, __FFLAS__Brec, ldb);


	}
}

}; //class ftrmm....

#else // __FFLAS__GENERIC

template <class Element>
class Mjoin(ftrmm, Mjoin(__FFLAS__SIDE, Mjoin(__FFLAS__UPLO, Mjoin(__FFLAS__TRANS, __FFLAS__DIAG)))) {
public:

template<class Field>
void operator()	(const Field& F, const size_t M, const size_t N,
		 typename Field::Element * A, const size_t lda,
		 typename Field::Element * B, const size_t ldb)
{

	if (__FFLAS__Na == 1)
#ifdef __FFLAS__NONUNIT
		fscal(F, __FFLAS__Bdim, *A, B, __FFLAS__Bnorminc);
#else
       ;
#endif

	 else { // __FFLAS__Na > 1
		size_t nsplit = __FFLAS__Na >> 1;
		this->operator() (F, __FFLAS__Mb2, __FFLAS__Nb2, __FFLAS__A1, lda, __FFLAS__B1, ldb);

#ifdef __FFLAS__RIGHT
		fgemm (F, FflasNoTrans , Mjoin (Fflas, __FFLAS__TRANS),
		       __FFLAS__Mb2, __FFLAS__Nb2, nsplit, F.one,
		       __FFLAS__B2, ldb, __FFLAS__A2, lda, F.one, __FFLAS__B1, ldb);
#else
		fgemm (F, Mjoin (Fflas, __FFLAS__TRANS), FflasNoTrans,
		       __FFLAS__Mb2, __FFLAS__Nb2, nsplit, F.one,
		       __FFLAS__A2, lda, __FFLAS__B2, ldb, F.one, __FFLAS__B1, ldb);
#endif
		this->operator() (F, __FFLAS__Mb, __FFLAS__Nb, __FFLAS__A3, lda, __FFLAS__B2, ldb);
	}
}
};

#endif // __FFLAS__GENERIC


#undef __FFLAS__UPLO
#undef __FFLAS__DIAG
#undef __FFLAS__SIDE
#undef __FFLAS__TRANS
#undef __FFLAS__Na
#undef __FFLAS__Mb
#undef __FFLAS__Nb
#undef __FFLAS__Mbrest
#undef __FFLAS__Nbrest
#undef __FFLAS__Mupdate
#undef __FFLAS__Nupdate
#undef __FFLAS__Atriang
#undef __FFLAS__Aupdate
#undef __FFLAS__Arest
#undef __FFLAS__Bupdate
#undef __FFLAS__Brec
#undef __FFLAS__Brest
#undef __FFLAS__ELEMENT
#undef __FFLAS__BLAS_PREFIX
#undef __FFLAS__DOMAIN
#undef __FFLAS__A1
#undef __FFLAS__A2
#undef __FFLAS__A3
#undef __FFLAS__B1
#undef __FFLAS__B2
#undef __FFLAS__Nb2
#undef __FFLAS__Mb2
#undef __FFLAS__Bdim
#undef __FFLAS__Acolinc
#undef __FFLAS__Arowinc
#undef __FFLAS__Bnorminc
#undef Mjoin
#undef my_join

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