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tempest/resources/3rdparty/eigen/blas/level3_impl.h

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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2009-2010 Gael Guennebaud <gael.guennebaud@inria.fr>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include "common.h"
int EIGEN_BLAS_FUNC(gemm)(char *opa, char *opb, int *m, int *n, int *k, RealScalar *palpha, RealScalar *pa, int *lda, RealScalar *pb, int *ldb, RealScalar *pbeta, RealScalar *pc, int *ldc)
{
// std::cerr << "in gemm " << *opa << " " << *opb << " " << *m << " " << *n << " " << *k << " " << *lda << " " << *ldb << " " << *ldc << " " << *palpha << " " << *pbeta << "\n";
typedef void (*functype)(DenseIndex, DenseIndex, DenseIndex, const Scalar *, DenseIndex, const Scalar *, DenseIndex, Scalar *, DenseIndex, Scalar, internal::level3_blocking<Scalar,Scalar>&, Eigen::internal::GemmParallelInfo<DenseIndex>*);
static functype func[12];
static bool init = false;
if(!init)
{
for(int k=0; k<12; ++k)
func[k] = 0;
func[NOTR | (NOTR << 2)] = (internal::general_matrix_matrix_product<DenseIndex,Scalar,ColMajor,false,Scalar,ColMajor,false,ColMajor>::run);
func[TR | (NOTR << 2)] = (internal::general_matrix_matrix_product<DenseIndex,Scalar,RowMajor,false,Scalar,ColMajor,false,ColMajor>::run);
func[ADJ | (NOTR << 2)] = (internal::general_matrix_matrix_product<DenseIndex,Scalar,RowMajor,Conj, Scalar,ColMajor,false,ColMajor>::run);
func[NOTR | (TR << 2)] = (internal::general_matrix_matrix_product<DenseIndex,Scalar,ColMajor,false,Scalar,RowMajor,false,ColMajor>::run);
func[TR | (TR << 2)] = (internal::general_matrix_matrix_product<DenseIndex,Scalar,RowMajor,false,Scalar,RowMajor,false,ColMajor>::run);
func[ADJ | (TR << 2)] = (internal::general_matrix_matrix_product<DenseIndex,Scalar,RowMajor,Conj, Scalar,RowMajor,false,ColMajor>::run);
func[NOTR | (ADJ << 2)] = (internal::general_matrix_matrix_product<DenseIndex,Scalar,ColMajor,false,Scalar,RowMajor,Conj, ColMajor>::run);
func[TR | (ADJ << 2)] = (internal::general_matrix_matrix_product<DenseIndex,Scalar,RowMajor,false,Scalar,RowMajor,Conj, ColMajor>::run);
func[ADJ | (ADJ << 2)] = (internal::general_matrix_matrix_product<DenseIndex,Scalar,RowMajor,Conj, Scalar,RowMajor,Conj, ColMajor>::run);
init = true;
}
Scalar* a = reinterpret_cast<Scalar*>(pa);
Scalar* b = reinterpret_cast<Scalar*>(pb);
Scalar* c = reinterpret_cast<Scalar*>(pc);
Scalar alpha = *reinterpret_cast<Scalar*>(palpha);
Scalar beta = *reinterpret_cast<Scalar*>(pbeta);
int info = 0;
if(OP(*opa)==INVALID) info = 1;
else if(OP(*opb)==INVALID) info = 2;
else if(*m<0) info = 3;
else if(*n<0) info = 4;
else if(*k<0) info = 5;
else if(*lda<std::max(1,(OP(*opa)==NOTR)?*m:*k)) info = 8;
else if(*ldb<std::max(1,(OP(*opb)==NOTR)?*k:*n)) info = 10;
else if(*ldc<std::max(1,*m)) info = 13;
if(info)
return xerbla_(SCALAR_SUFFIX_UP"GEMM ",&info,6);
if(beta!=Scalar(1))
{
if(beta==Scalar(0)) matrix(c, *m, *n, *ldc).setZero();
else matrix(c, *m, *n, *ldc) *= beta;
}
internal::gemm_blocking_space<ColMajor,Scalar,Scalar,Dynamic,Dynamic,Dynamic> blocking(*m,*n,*k);
int code = OP(*opa) | (OP(*opb) << 2);
func[code](*m, *n, *k, a, *lda, b, *ldb, c, *ldc, alpha, blocking, 0);
return 0;
}
int EIGEN_BLAS_FUNC(trsm)(char *side, char *uplo, char *opa, char *diag, int *m, int *n, RealScalar *palpha, RealScalar *pa, int *lda, RealScalar *pb, int *ldb)
{
// std::cerr << "in trsm " << *side << " " << *uplo << " " << *opa << " " << *diag << " " << *m << "," << *n << " " << *palpha << " " << *lda << " " << *ldb<< "\n";
typedef void (*functype)(DenseIndex, DenseIndex, const Scalar *, DenseIndex, Scalar *, DenseIndex, internal::level3_blocking<Scalar,Scalar>&);
static functype func[32];
static bool init = false;
if(!init)
{
for(int k=0; k<32; ++k)
func[k] = 0;
func[NOTR | (LEFT << 2) | (UP << 3) | (NUNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheLeft, Upper|0, false,ColMajor,ColMajor>::run);
func[TR | (LEFT << 2) | (UP << 3) | (NUNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheLeft, Lower|0, false,RowMajor,ColMajor>::run);
func[ADJ | (LEFT << 2) | (UP << 3) | (NUNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheLeft, Lower|0, Conj, RowMajor,ColMajor>::run);
func[NOTR | (RIGHT << 2) | (UP << 3) | (NUNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheRight,Upper|0, false,ColMajor,ColMajor>::run);
func[TR | (RIGHT << 2) | (UP << 3) | (NUNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheRight,Lower|0, false,RowMajor,ColMajor>::run);
func[ADJ | (RIGHT << 2) | (UP << 3) | (NUNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheRight,Lower|0, Conj, RowMajor,ColMajor>::run);
func[NOTR | (LEFT << 2) | (LO << 3) | (NUNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheLeft, Lower|0, false,ColMajor,ColMajor>::run);
func[TR | (LEFT << 2) | (LO << 3) | (NUNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheLeft, Upper|0, false,RowMajor,ColMajor>::run);
func[ADJ | (LEFT << 2) | (LO << 3) | (NUNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheLeft, Upper|0, Conj, RowMajor,ColMajor>::run);
func[NOTR | (RIGHT << 2) | (LO << 3) | (NUNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheRight,Lower|0, false,ColMajor,ColMajor>::run);
func[TR | (RIGHT << 2) | (LO << 3) | (NUNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheRight,Upper|0, false,RowMajor,ColMajor>::run);
func[ADJ | (RIGHT << 2) | (LO << 3) | (NUNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheRight,Upper|0, Conj, RowMajor,ColMajor>::run);
func[NOTR | (LEFT << 2) | (UP << 3) | (UNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheLeft, Upper|UnitDiag,false,ColMajor,ColMajor>::run);
func[TR | (LEFT << 2) | (UP << 3) | (UNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheLeft, Lower|UnitDiag,false,RowMajor,ColMajor>::run);
func[ADJ | (LEFT << 2) | (UP << 3) | (UNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheLeft, Lower|UnitDiag,Conj, RowMajor,ColMajor>::run);
func[NOTR | (RIGHT << 2) | (UP << 3) | (UNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheRight,Upper|UnitDiag,false,ColMajor,ColMajor>::run);
func[TR | (RIGHT << 2) | (UP << 3) | (UNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheRight,Lower|UnitDiag,false,RowMajor,ColMajor>::run);
func[ADJ | (RIGHT << 2) | (UP << 3) | (UNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheRight,Lower|UnitDiag,Conj, RowMajor,ColMajor>::run);
func[NOTR | (LEFT << 2) | (LO << 3) | (UNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheLeft, Lower|UnitDiag,false,ColMajor,ColMajor>::run);
func[TR | (LEFT << 2) | (LO << 3) | (UNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheLeft, Upper|UnitDiag,false,RowMajor,ColMajor>::run);
func[ADJ | (LEFT << 2) | (LO << 3) | (UNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheLeft, Upper|UnitDiag,Conj, RowMajor,ColMajor>::run);
func[NOTR | (RIGHT << 2) | (LO << 3) | (UNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheRight,Lower|UnitDiag,false,ColMajor,ColMajor>::run);
func[TR | (RIGHT << 2) | (LO << 3) | (UNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheRight,Upper|UnitDiag,false,RowMajor,ColMajor>::run);
func[ADJ | (RIGHT << 2) | (LO << 3) | (UNIT << 4)] = (internal::triangular_solve_matrix<Scalar,DenseIndex,OnTheRight,Upper|UnitDiag,Conj, RowMajor,ColMajor>::run);
init = true;
}
Scalar* a = reinterpret_cast<Scalar*>(pa);
Scalar* b = reinterpret_cast<Scalar*>(pb);
Scalar alpha = *reinterpret_cast<Scalar*>(palpha);
int info = 0;
if(SIDE(*side)==INVALID) info = 1;
else if(UPLO(*uplo)==INVALID) info = 2;
else if(OP(*opa)==INVALID) info = 3;
else if(DIAG(*diag)==INVALID) info = 4;
else if(*m<0) info = 5;
else if(*n<0) info = 6;
else if(*lda<std::max(1,(SIDE(*side)==LEFT)?*m:*n)) info = 9;
else if(*ldb<std::max(1,*m)) info = 11;
if(info)
return xerbla_(SCALAR_SUFFIX_UP"TRSM ",&info,6);
int code = OP(*opa) | (SIDE(*side) << 2) | (UPLO(*uplo) << 3) | (DIAG(*diag) << 4);
if(SIDE(*side)==LEFT)
{
internal::gemm_blocking_space<ColMajor,Scalar,Scalar,Dynamic,Dynamic,Dynamic,4> blocking(*m,*n,*m);
func[code](*m, *n, a, *lda, b, *ldb, blocking);
}
else
{
internal::gemm_blocking_space<ColMajor,Scalar,Scalar,Dynamic,Dynamic,Dynamic,4> blocking(*m,*n,*n);
func[code](*n, *m, a, *lda, b, *ldb, blocking);
}
if(alpha!=Scalar(1))
matrix(b,*m,*n,*ldb) *= alpha;
return 0;
}
// b = alpha*op(a)*b for side = 'L'or'l'
// b = alpha*b*op(a) for side = 'R'or'r'
int EIGEN_BLAS_FUNC(trmm)(char *side, char *uplo, char *opa, char *diag, int *m, int *n, RealScalar *palpha, RealScalar *pa, int *lda, RealScalar *pb, int *ldb)
{
// std::cerr << "in trmm " << *side << " " << *uplo << " " << *opa << " " << *diag << " " << *m << " " << *n << " " << *lda << " " << *ldb << " " << *palpha << "\n";
typedef void (*functype)(DenseIndex, DenseIndex, DenseIndex, const Scalar *, DenseIndex, const Scalar *, DenseIndex, Scalar *, DenseIndex, Scalar, internal::level3_blocking<Scalar,Scalar>&);
static functype func[32];
static bool init = false;
if(!init)
{
for(int k=0; k<32; ++k)
func[k] = 0;
func[NOTR | (LEFT << 2) | (UP << 3) | (NUNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Upper|0, true, ColMajor,false,ColMajor,false,ColMajor>::run);
func[TR | (LEFT << 2) | (UP << 3) | (NUNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Lower|0, true, RowMajor,false,ColMajor,false,ColMajor>::run);
func[ADJ | (LEFT << 2) | (UP << 3) | (NUNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Lower|0, true, RowMajor,Conj, ColMajor,false,ColMajor>::run);
func[NOTR | (RIGHT << 2) | (UP << 3) | (NUNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Upper|0, false,ColMajor,false,ColMajor,false,ColMajor>::run);
func[TR | (RIGHT << 2) | (UP << 3) | (NUNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Lower|0, false,ColMajor,false,RowMajor,false,ColMajor>::run);
func[ADJ | (RIGHT << 2) | (UP << 3) | (NUNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Lower|0, false,ColMajor,false,RowMajor,Conj, ColMajor>::run);
func[NOTR | (LEFT << 2) | (LO << 3) | (NUNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Lower|0, true, ColMajor,false,ColMajor,false,ColMajor>::run);
func[TR | (LEFT << 2) | (LO << 3) | (NUNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Upper|0, true, RowMajor,false,ColMajor,false,ColMajor>::run);
func[ADJ | (LEFT << 2) | (LO << 3) | (NUNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Upper|0, true, RowMajor,Conj, ColMajor,false,ColMajor>::run);
func[NOTR | (RIGHT << 2) | (LO << 3) | (NUNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Lower|0, false,ColMajor,false,ColMajor,false,ColMajor>::run);
func[TR | (RIGHT << 2) | (LO << 3) | (NUNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Upper|0, false,ColMajor,false,RowMajor,false,ColMajor>::run);
func[ADJ | (RIGHT << 2) | (LO << 3) | (NUNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Upper|0, false,ColMajor,false,RowMajor,Conj, ColMajor>::run);
func[NOTR | (LEFT << 2) | (UP << 3) | (UNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Upper|UnitDiag,true, ColMajor,false,ColMajor,false,ColMajor>::run);
func[TR | (LEFT << 2) | (UP << 3) | (UNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Lower|UnitDiag,true, RowMajor,false,ColMajor,false,ColMajor>::run);
func[ADJ | (LEFT << 2) | (UP << 3) | (UNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Lower|UnitDiag,true, RowMajor,Conj, ColMajor,false,ColMajor>::run);
func[NOTR | (RIGHT << 2) | (UP << 3) | (UNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Upper|UnitDiag,false,ColMajor,false,ColMajor,false,ColMajor>::run);
func[TR | (RIGHT << 2) | (UP << 3) | (UNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Lower|UnitDiag,false,ColMajor,false,RowMajor,false,ColMajor>::run);
func[ADJ | (RIGHT << 2) | (UP << 3) | (UNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Lower|UnitDiag,false,ColMajor,false,RowMajor,Conj, ColMajor>::run);
func[NOTR | (LEFT << 2) | (LO << 3) | (UNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Lower|UnitDiag,true, ColMajor,false,ColMajor,false,ColMajor>::run);
func[TR | (LEFT << 2) | (LO << 3) | (UNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Upper|UnitDiag,true, RowMajor,false,ColMajor,false,ColMajor>::run);
func[ADJ | (LEFT << 2) | (LO << 3) | (UNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Upper|UnitDiag,true, RowMajor,Conj, ColMajor,false,ColMajor>::run);
func[NOTR | (RIGHT << 2) | (LO << 3) | (UNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Lower|UnitDiag,false,ColMajor,false,ColMajor,false,ColMajor>::run);
func[TR | (RIGHT << 2) | (LO << 3) | (UNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Upper|UnitDiag,false,ColMajor,false,RowMajor,false,ColMajor>::run);
func[ADJ | (RIGHT << 2) | (LO << 3) | (UNIT << 4)] = (internal::product_triangular_matrix_matrix<Scalar,DenseIndex,Upper|UnitDiag,false,ColMajor,false,RowMajor,Conj, ColMajor>::run);
init = true;
}
Scalar* a = reinterpret_cast<Scalar*>(pa);
Scalar* b = reinterpret_cast<Scalar*>(pb);
Scalar alpha = *reinterpret_cast<Scalar*>(palpha);
int info = 0;
if(SIDE(*side)==INVALID) info = 1;
else if(UPLO(*uplo)==INVALID) info = 2;
else if(OP(*opa)==INVALID) info = 3;
else if(DIAG(*diag)==INVALID) info = 4;
else if(*m<0) info = 5;
else if(*n<0) info = 6;
else if(*lda<std::max(1,(SIDE(*side)==LEFT)?*m:*n)) info = 9;
else if(*ldb<std::max(1,*m)) info = 11;
if(info)
return xerbla_(SCALAR_SUFFIX_UP"TRMM ",&info,6);
int code = OP(*opa) | (SIDE(*side) << 2) | (UPLO(*uplo) << 3) | (DIAG(*diag) << 4);
if(*m==0 || *n==0)
return 1;
// FIXME find a way to avoid this copy
Matrix<Scalar,Dynamic,Dynamic,ColMajor> tmp = matrix(b,*m,*n,*ldb);
matrix(b,*m,*n,*ldb).setZero();
if(SIDE(*side)==LEFT)
{
internal::gemm_blocking_space<ColMajor,Scalar,Scalar,Dynamic,Dynamic,Dynamic,4> blocking(*m,*n,*m);
func[code](*m, *n, *m, a, *lda, tmp.data(), tmp.outerStride(), b, *ldb, alpha, blocking);
}
else
{
internal::gemm_blocking_space<ColMajor,Scalar,Scalar,Dynamic,Dynamic,Dynamic,4> blocking(*m,*n,*n);
func[code](*m, *n, *n, tmp.data(), tmp.outerStride(), a, *lda, b, *ldb, alpha, blocking);
}
return 1;
}
// c = alpha*a*b + beta*c for side = 'L'or'l'
// c = alpha*b*a + beta*c for side = 'R'or'r
int EIGEN_BLAS_FUNC(symm)(char *side, char *uplo, int *m, int *n, RealScalar *palpha, RealScalar *pa, int *lda, RealScalar *pb, int *ldb, RealScalar *pbeta, RealScalar *pc, int *ldc)
{
// std::cerr << "in symm " << *side << " " << *uplo << " " << *m << "x" << *n << " lda:" << *lda << " ldb:" << *ldb << " ldc:" << *ldc << " alpha:" << *palpha << " beta:" << *pbeta << "\n";
Scalar* a = reinterpret_cast<Scalar*>(pa);
Scalar* b = reinterpret_cast<Scalar*>(pb);
Scalar* c = reinterpret_cast<Scalar*>(pc);
Scalar alpha = *reinterpret_cast<Scalar*>(palpha);
Scalar beta = *reinterpret_cast<Scalar*>(pbeta);
int info = 0;
if(SIDE(*side)==INVALID) info = 1;
else if(UPLO(*uplo)==INVALID) info = 2;
else if(*m<0) info = 3;
else if(*n<0) info = 4;
else if(*lda<std::max(1,(SIDE(*side)==LEFT)?*m:*n)) info = 7;
else if(*ldb<std::max(1,*m)) info = 9;
else if(*ldc<std::max(1,*m)) info = 12;
if(info)
return xerbla_(SCALAR_SUFFIX_UP"SYMM ",&info,6);
if(beta!=Scalar(1))
{
if(beta==Scalar(0)) matrix(c, *m, *n, *ldc).setZero();
else matrix(c, *m, *n, *ldc) *= beta;
}
if(*m==0 || *n==0)
{
return 1;
}
#if ISCOMPLEX
// FIXME add support for symmetric complex matrix
int size = (SIDE(*side)==LEFT) ? (*m) : (*n);
Matrix<Scalar,Dynamic,Dynamic,ColMajor> matA(size,size);
if(UPLO(*uplo)==UP)
{
matA.triangularView<Upper>() = matrix(a,size,size,*lda);
matA.triangularView<Lower>() = matrix(a,size,size,*lda).transpose();
}
else if(UPLO(*uplo)==LO)
{
matA.triangularView<Lower>() = matrix(a,size,size,*lda);
matA.triangularView<Upper>() = matrix(a,size,size,*lda).transpose();
}
if(SIDE(*side)==LEFT)
matrix(c, *m, *n, *ldc) += alpha * matA * matrix(b, *m, *n, *ldb);
else if(SIDE(*side)==RIGHT)
matrix(c, *m, *n, *ldc) += alpha * matrix(b, *m, *n, *ldb) * matA;
#else
if(SIDE(*side)==LEFT)
if(UPLO(*uplo)==UP) internal::product_selfadjoint_matrix<Scalar, DenseIndex, RowMajor,true,false, ColMajor,false,false, ColMajor>::run(*m, *n, a, *lda, b, *ldb, c, *ldc, alpha);
else if(UPLO(*uplo)==LO) internal::product_selfadjoint_matrix<Scalar, DenseIndex, ColMajor,true,false, ColMajor,false,false, ColMajor>::run(*m, *n, a, *lda, b, *ldb, c, *ldc, alpha);
else return 0;
else if(SIDE(*side)==RIGHT)
if(UPLO(*uplo)==UP) internal::product_selfadjoint_matrix<Scalar, DenseIndex, ColMajor,false,false, RowMajor,true,false, ColMajor>::run(*m, *n, b, *ldb, a, *lda, c, *ldc, alpha);
else if(UPLO(*uplo)==LO) internal::product_selfadjoint_matrix<Scalar, DenseIndex, ColMajor,false,false, ColMajor,true,false, ColMajor>::run(*m, *n, b, *ldb, a, *lda, c, *ldc, alpha);
else return 0;
else
return 0;
#endif
return 0;
}
// c = alpha*a*a' + beta*c for op = 'N'or'n'
// c = alpha*a'*a + beta*c for op = 'T'or't','C'or'c'
int EIGEN_BLAS_FUNC(syrk)(char *uplo, char *op, int *n, int *k, RealScalar *palpha, RealScalar *pa, int *lda, RealScalar *pbeta, RealScalar *pc, int *ldc)
{
// std::cerr << "in syrk " << *uplo << " " << *op << " " << *n << " " << *k << " " << *palpha << " " << *lda << " " << *pbeta << " " << *ldc << "\n";
typedef void (*functype)(DenseIndex, DenseIndex, const Scalar *, DenseIndex, const Scalar *, DenseIndex, Scalar *, DenseIndex, Scalar);
static functype func[8];
static bool init = false;
if(!init)
{
for(int k=0; k<8; ++k)
func[k] = 0;
func[NOTR | (UP << 2)] = (internal::general_matrix_matrix_triangular_product<DenseIndex,Scalar,ColMajor,false,Scalar,RowMajor,ColMajor,Conj, Upper>::run);
func[TR | (UP << 2)] = (internal::general_matrix_matrix_triangular_product<DenseIndex,Scalar,RowMajor,false,Scalar,ColMajor,ColMajor,Conj, Upper>::run);
func[ADJ | (UP << 2)] = (internal::general_matrix_matrix_triangular_product<DenseIndex,Scalar,RowMajor,Conj, Scalar,ColMajor,ColMajor,false,Upper>::run);
func[NOTR | (LO << 2)] = (internal::general_matrix_matrix_triangular_product<DenseIndex,Scalar,ColMajor,false,Scalar,RowMajor,ColMajor,Conj, Lower>::run);
func[TR | (LO << 2)] = (internal::general_matrix_matrix_triangular_product<DenseIndex,Scalar,RowMajor,false,Scalar,ColMajor,ColMajor,Conj, Lower>::run);
func[ADJ | (LO << 2)] = (internal::general_matrix_matrix_triangular_product<DenseIndex,Scalar,RowMajor,Conj, Scalar,ColMajor,ColMajor,false,Lower>::run);
init = true;
}
Scalar* a = reinterpret_cast<Scalar*>(pa);
Scalar* c = reinterpret_cast<Scalar*>(pc);
Scalar alpha = *reinterpret_cast<Scalar*>(palpha);
Scalar beta = *reinterpret_cast<Scalar*>(pbeta);
int info = 0;
if(UPLO(*uplo)==INVALID) info = 1;
else if(OP(*op)==INVALID) info = 2;
else if(*n<0) info = 3;
else if(*k<0) info = 4;
else if(*lda<std::max(1,(OP(*op)==NOTR)?*n:*k)) info = 7;
else if(*ldc<std::max(1,*n)) info = 10;
if(info)
return xerbla_(SCALAR_SUFFIX_UP"SYRK ",&info,6);
if(beta!=Scalar(1))
{
if(UPLO(*uplo)==UP)
if(beta==Scalar(0)) matrix(c, *n, *n, *ldc).triangularView<Upper>().setZero();
else matrix(c, *n, *n, *ldc).triangularView<Upper>() *= beta;
else
if(beta==Scalar(0)) matrix(c, *n, *n, *ldc).triangularView<Lower>().setZero();
else matrix(c, *n, *n, *ldc).triangularView<Lower>() *= beta;
}
#if ISCOMPLEX
// FIXME add support for symmetric complex matrix
if(UPLO(*uplo)==UP)
{
if(OP(*op)==NOTR)
matrix(c, *n, *n, *ldc).triangularView<Upper>() += alpha * matrix(a,*n,*k,*lda) * matrix(a,*n,*k,*lda).transpose();
else
matrix(c, *n, *n, *ldc).triangularView<Upper>() += alpha * matrix(a,*k,*n,*lda).transpose() * matrix(a,*k,*n,*lda);
}
else
{
if(OP(*op)==NOTR)
matrix(c, *n, *n, *ldc).triangularView<Lower>() += alpha * matrix(a,*n,*k,*lda) * matrix(a,*n,*k,*lda).transpose();
else
matrix(c, *n, *n, *ldc).triangularView<Lower>() += alpha * matrix(a,*k,*n,*lda).transpose() * matrix(a,*k,*n,*lda);
}
#else
int code = OP(*op) | (UPLO(*uplo) << 2);
func[code](*n, *k, a, *lda, a, *lda, c, *ldc, alpha);
#endif
return 0;
}
// c = alpha*a*b' + alpha*b*a' + beta*c for op = 'N'or'n'
// c = alpha*a'*b + alpha*b'*a + beta*c for op = 'T'or't'
int EIGEN_BLAS_FUNC(syr2k)(char *uplo, char *op, int *n, int *k, RealScalar *palpha, RealScalar *pa, int *lda, RealScalar *pb, int *ldb, RealScalar *pbeta, RealScalar *pc, int *ldc)
{
Scalar* a = reinterpret_cast<Scalar*>(pa);
Scalar* b = reinterpret_cast<Scalar*>(pb);
Scalar* c = reinterpret_cast<Scalar*>(pc);
Scalar alpha = *reinterpret_cast<Scalar*>(palpha);
Scalar beta = *reinterpret_cast<Scalar*>(pbeta);
int info = 0;
if(UPLO(*uplo)==INVALID) info = 1;
else if(OP(*op)==INVALID) info = 2;
else if(*n<0) info = 3;
else if(*k<0) info = 4;
else if(*lda<std::max(1,(OP(*op)==NOTR)?*n:*k)) info = 7;
else if(*ldb<std::max(1,(OP(*op)==NOTR)?*n:*k)) info = 9;
else if(*ldc<std::max(1,*n)) info = 12;
if(info)
return xerbla_(SCALAR_SUFFIX_UP"SYR2K",&info,6);
if(beta!=Scalar(1))
{
if(UPLO(*uplo)==UP)
if(beta==Scalar(0)) matrix(c, *n, *n, *ldc).triangularView<Upper>().setZero();
else matrix(c, *n, *n, *ldc).triangularView<Upper>() *= beta;
else
if(beta==Scalar(0)) matrix(c, *n, *n, *ldc).triangularView<Lower>().setZero();
else matrix(c, *n, *n, *ldc).triangularView<Lower>() *= beta;
}
if(*k==0)
return 1;
if(OP(*op)==NOTR)
{
if(UPLO(*uplo)==UP)
{
matrix(c, *n, *n, *ldc).triangularView<Upper>()
+= alpha *matrix(a, *n, *k, *lda)*matrix(b, *n, *k, *ldb).transpose()
+ alpha*matrix(b, *n, *k, *ldb)*matrix(a, *n, *k, *lda).transpose();
}
else if(UPLO(*uplo)==LO)
matrix(c, *n, *n, *ldc).triangularView<Lower>()
+= alpha*matrix(a, *n, *k, *lda)*matrix(b, *n, *k, *ldb).transpose()
+ alpha*matrix(b, *n, *k, *ldb)*matrix(a, *n, *k, *lda).transpose();
}
else if(OP(*op)==TR || OP(*op)==ADJ)
{
if(UPLO(*uplo)==UP)
matrix(c, *n, *n, *ldc).triangularView<Upper>()
+= alpha*matrix(a, *k, *n, *lda).transpose()*matrix(b, *k, *n, *ldb)
+ alpha*matrix(b, *k, *n, *ldb).transpose()*matrix(a, *k, *n, *lda);
else if(UPLO(*uplo)==LO)
matrix(c, *n, *n, *ldc).triangularView<Lower>()
+= alpha*matrix(a, *k, *n, *lda).transpose()*matrix(b, *k, *n, *ldb)
+ alpha*matrix(b, *k, *n, *ldb).transpose()*matrix(a, *k, *n, *lda);
}
return 0;
}
#if ISCOMPLEX
// c = alpha*a*b + beta*c for side = 'L'or'l'
// c = alpha*b*a + beta*c for side = 'R'or'r
int EIGEN_BLAS_FUNC(hemm)(char *side, char *uplo, int *m, int *n, RealScalar *palpha, RealScalar *pa, int *lda, RealScalar *pb, int *ldb, RealScalar *pbeta, RealScalar *pc, int *ldc)
{
Scalar* a = reinterpret_cast<Scalar*>(pa);
Scalar* b = reinterpret_cast<Scalar*>(pb);
Scalar* c = reinterpret_cast<Scalar*>(pc);
Scalar alpha = *reinterpret_cast<Scalar*>(palpha);
Scalar beta = *reinterpret_cast<Scalar*>(pbeta);
// std::cerr << "in hemm " << *side << " " << *uplo << " " << *m << " " << *n << " " << alpha << " " << *lda << " " << beta << " " << *ldc << "\n";
int info = 0;
if(SIDE(*side)==INVALID) info = 1;
else if(UPLO(*uplo)==INVALID) info = 2;
else if(*m<0) info = 3;
else if(*n<0) info = 4;
else if(*lda<std::max(1,(SIDE(*side)==LEFT)?*m:*n)) info = 7;
else if(*ldb<std::max(1,*m)) info = 9;
else if(*ldc<std::max(1,*m)) info = 12;
if(info)
return xerbla_(SCALAR_SUFFIX_UP"HEMM ",&info,6);
if(beta==Scalar(0)) matrix(c, *m, *n, *ldc).setZero();
else if(beta!=Scalar(1)) matrix(c, *m, *n, *ldc) *= beta;
if(*m==0 || *n==0)
{
return 1;
}
if(SIDE(*side)==LEFT)
{
if(UPLO(*uplo)==UP) internal::product_selfadjoint_matrix<Scalar,DenseIndex,RowMajor,true,Conj, ColMajor,false,false, ColMajor>
::run(*m, *n, a, *lda, b, *ldb, c, *ldc, alpha);
else if(UPLO(*uplo)==LO) internal::product_selfadjoint_matrix<Scalar,DenseIndex,ColMajor,true,false, ColMajor,false,false, ColMajor>
::run(*m, *n, a, *lda, b, *ldb, c, *ldc, alpha);
else return 0;
}
else if(SIDE(*side)==RIGHT)
{
if(UPLO(*uplo)==UP) matrix(c,*m,*n,*ldc) += alpha * matrix(b,*m,*n,*ldb) * matrix(a,*n,*n,*lda).selfadjointView<Upper>();/*internal::product_selfadjoint_matrix<Scalar,DenseIndex,ColMajor,false,false, RowMajor,true,Conj, ColMajor>
::run(*m, *n, b, *ldb, a, *lda, c, *ldc, alpha);*/
else if(UPLO(*uplo)==LO) internal::product_selfadjoint_matrix<Scalar,DenseIndex,ColMajor,false,false, ColMajor,true,false, ColMajor>
::run(*m, *n, b, *ldb, a, *lda, c, *ldc, alpha);
else return 0;
}
else
{
return 0;
}
return 0;
}
// c = alpha*a*conj(a') + beta*c for op = 'N'or'n'
// c = alpha*conj(a')*a + beta*c for op = 'C'or'c'
int EIGEN_BLAS_FUNC(herk)(char *uplo, char *op, int *n, int *k, RealScalar *palpha, RealScalar *pa, int *lda, RealScalar *pbeta, RealScalar *pc, int *ldc)
{
typedef void (*functype)(DenseIndex, DenseIndex, const Scalar *, DenseIndex, const Scalar *, DenseIndex, Scalar *, DenseIndex, Scalar);
static functype func[8];
static bool init = false;
if(!init)
{
for(int k=0; k<8; ++k)
func[k] = 0;
func[NOTR | (UP << 2)] = (internal::general_matrix_matrix_triangular_product<DenseIndex,Scalar,ColMajor,false,Scalar,RowMajor,Conj, ColMajor,Upper>::run);
func[ADJ | (UP << 2)] = (internal::general_matrix_matrix_triangular_product<DenseIndex,Scalar,RowMajor,Conj, Scalar,ColMajor,false,ColMajor,Upper>::run);
func[NOTR | (LO << 2)] = (internal::general_matrix_matrix_triangular_product<DenseIndex,Scalar,ColMajor,false,Scalar,RowMajor,Conj, ColMajor,Lower>::run);
func[ADJ | (LO << 2)] = (internal::general_matrix_matrix_triangular_product<DenseIndex,Scalar,RowMajor,Conj, Scalar,ColMajor,false,ColMajor,Lower>::run);
init = true;
}
Scalar* a = reinterpret_cast<Scalar*>(pa);
Scalar* c = reinterpret_cast<Scalar*>(pc);
RealScalar alpha = *palpha;
RealScalar beta = *pbeta;
// std::cerr << "in herk " << *uplo << " " << *op << " " << *n << " " << *k << " " << alpha << " " << *lda << " " << beta << " " << *ldc << "\n";
int info = 0;
if(UPLO(*uplo)==INVALID) info = 1;
else if((OP(*op)==INVALID) || (OP(*op)==TR)) info = 2;
else if(*n<0) info = 3;
else if(*k<0) info = 4;
else if(*lda<std::max(1,(OP(*op)==NOTR)?*n:*k)) info = 7;
else if(*ldc<std::max(1,*n)) info = 10;
if(info)
return xerbla_(SCALAR_SUFFIX_UP"HERK ",&info,6);
int code = OP(*op) | (UPLO(*uplo) << 2);
if(beta!=RealScalar(1))
{
if(UPLO(*uplo)==UP)
if(beta==Scalar(0)) matrix(c, *n, *n, *ldc).triangularView<Upper>().setZero();
else matrix(c, *n, *n, *ldc).triangularView<StrictlyUpper>() *= beta;
else
if(beta==Scalar(0)) matrix(c, *n, *n, *ldc).triangularView<Lower>().setZero();
else matrix(c, *n, *n, *ldc).triangularView<StrictlyLower>() *= beta;
if(beta!=Scalar(0))
{
matrix(c, *n, *n, *ldc).diagonal().real() *= beta;
matrix(c, *n, *n, *ldc).diagonal().imag().setZero();
}
}
if(*k>0 && alpha!=RealScalar(0))
{
func[code](*n, *k, a, *lda, a, *lda, c, *ldc, alpha);
matrix(c, *n, *n, *ldc).diagonal().imag().setZero();
}
return 0;
}
// c = alpha*a*conj(b') + conj(alpha)*b*conj(a') + beta*c, for op = 'N'or'n'
// c = alpha*conj(a')*b + conj(alpha)*conj(b')*a + beta*c, for op = 'C'or'c'
int EIGEN_BLAS_FUNC(her2k)(char *uplo, char *op, int *n, int *k, RealScalar *palpha, RealScalar *pa, int *lda, RealScalar *pb, int *ldb, RealScalar *pbeta, RealScalar *pc, int *ldc)
{
Scalar* a = reinterpret_cast<Scalar*>(pa);
Scalar* b = reinterpret_cast<Scalar*>(pb);
Scalar* c = reinterpret_cast<Scalar*>(pc);
Scalar alpha = *reinterpret_cast<Scalar*>(palpha);
RealScalar beta = *pbeta;
int info = 0;
if(UPLO(*uplo)==INVALID) info = 1;
else if((OP(*op)==INVALID) || (OP(*op)==TR)) info = 2;
else if(*n<0) info = 3;
else if(*k<0) info = 4;
else if(*lda<std::max(1,(OP(*op)==NOTR)?*n:*k)) info = 7;
else if(*lda<std::max(1,(OP(*op)==NOTR)?*n:*k)) info = 9;
else if(*ldc<std::max(1,*n)) info = 12;
if(info)
return xerbla_(SCALAR_SUFFIX_UP"HER2K",&info,6);
if(beta!=RealScalar(1))
{
if(UPLO(*uplo)==UP)
if(beta==Scalar(0)) matrix(c, *n, *n, *ldc).triangularView<Upper>().setZero();
else matrix(c, *n, *n, *ldc).triangularView<StrictlyUpper>() *= beta;
else
if(beta==Scalar(0)) matrix(c, *n, *n, *ldc).triangularView<Lower>().setZero();
else matrix(c, *n, *n, *ldc).triangularView<StrictlyLower>() *= beta;
if(beta!=Scalar(0))
{
matrix(c, *n, *n, *ldc).diagonal().real() *= beta;
matrix(c, *n, *n, *ldc).diagonal().imag().setZero();
}
}
else if(*k>0 && alpha!=Scalar(0))
matrix(c, *n, *n, *ldc).diagonal().imag().setZero();
if(*k==0)
return 1;
if(OP(*op)==NOTR)
{
if(UPLO(*uplo)==UP)
{
matrix(c, *n, *n, *ldc).triangularView<Upper>()
+= alpha *matrix(a, *n, *k, *lda)*matrix(b, *n, *k, *ldb).adjoint()
+ internal::conj(alpha)*matrix(b, *n, *k, *ldb)*matrix(a, *n, *k, *lda).adjoint();
}
else if(UPLO(*uplo)==LO)
matrix(c, *n, *n, *ldc).triangularView<Lower>()
+= alpha*matrix(a, *n, *k, *lda)*matrix(b, *n, *k, *ldb).adjoint()
+ internal::conj(alpha)*matrix(b, *n, *k, *ldb)*matrix(a, *n, *k, *lda).adjoint();
}
else if(OP(*op)==ADJ)
{
if(UPLO(*uplo)==UP)
matrix(c, *n, *n, *ldc).triangularView<Upper>()
+= alpha*matrix(a, *k, *n, *lda).adjoint()*matrix(b, *k, *n, *ldb)
+ internal::conj(alpha)*matrix(b, *k, *n, *ldb).adjoint()*matrix(a, *k, *n, *lda);
else if(UPLO(*uplo)==LO)
matrix(c, *n, *n, *ldc).triangularView<Lower>()
+= alpha*matrix(a, *k, *n, *lda).adjoint()*matrix(b, *k, *n, *ldb)
+ internal::conj(alpha)*matrix(b, *k, *n, *ldb).adjoint()*matrix(a, *k, *n, *lda);
}
return 1;
}
#endif // ISCOMPLEX