/usr/include/simbody/SimTKcommon/TemplatizedLapack.h is in libsimbody-dev 3.5.4+dfsg-1ubuntu2.
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#define SimTK_SimTKCOMMON_TEMPLATIZED_LAPACK_H_
/* -------------------------------------------------------------------------- *
* Simbody(tm): SimTKcommon *
* -------------------------------------------------------------------------- *
* This is part of the SimTK biosimulation toolkit originating from *
* Simbios, the NIH National Center for Physics-Based Simulation of *
* Biological Structures at Stanford, funded under the NIH Roadmap for *
* Medical Research, grant U54 GM072970. See https://simtk.org/home/simbody. *
* *
* Portions copyright (c) 2006-12 Stanford University and the Authors. *
* Authors: Michael Sherman *
* Contributors: *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); you may *
* not use this file except in compliance with the License. You may obtain a *
* copy of the License at http://www.apache.org/licenses/LICENSE-2.0. *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* -------------------------------------------------------------------------- */
/**@file
* These is a templatized, C++ callable interface to LAPACK and BLAS.
* Each method must be explicitly specialized for the supported precisions.
*/
#include "SimTKcommon/internal/common.h"
#include "SimTKlapack.h"
#include <complex>
using std::complex;
namespace SimTK {
class Lapack {
public:
// MEANINGLESS IF NOT SPECIALIZED
template <class P> static void
gemm
(char transa, char transb,
int m, int n, int k,
const P& alpha, const P a[], int lda,
const P b[], int ldb,
const P& beta, P c[], int ldc) {assert(false);}
template <class P> static void
getri
(int n,
P a[],
int lda,
const int ipiv[],
P work[],
int lwork,
int &info ) {assert(false);}
template <class P> static void
getrf
(int m,
int n,
P a[],
int lda,
int ipiv[],
int &info ) {assert(false);}
};
// xGEMM //
template <> inline void Lapack::gemm<float>
(char transa, char transb,
int m, int n, int k,
const float& alpha, const float a[], int lda,
const float b[], int ldb,
const float& beta, float c[], int ldc)
{
sgemm_(
transa, transb,
m,n,k,alpha,a,lda,b,ldb,beta,c,ldc
);
}
template <> inline void Lapack::gemm<double>
(char transa, char transb,
int m, int n, int k,
const double& alpha, const double a[], int lda,
const double b[], int ldb,
const double& beta, double c[], int ldc)
{
dgemm_(
transa, transb,
m,n,k,alpha,a,lda,b,ldb,beta,c,ldc
);
}
template <> inline void Lapack::gemm< complex<float> >
(char transa, char transb,
int m, int n, int k,
const complex<float>& alpha, const complex<float> a[], int lda,
const complex<float> b[], int ldb,
const complex<float>& beta, complex<float> c[], int ldc)
{
cgemm_(
transa, transb,
m,n,k,alpha,a,lda,b,ldb,beta,c,ldc
);
}
template <> inline void Lapack::gemm< complex<double> >
(char transa, char transb,
int m, int n, int k,
const complex<double>& alpha, const complex<double> a[], int lda,
const complex<double> b[], int ldb,
const complex<double>& beta, complex<double> c[], int ldc)
{
zgemm_(
transa, transb,
m,n,k,alpha,a,lda,b,ldb,beta,c,ldc
);
}
// xGETRI //
template <> inline void Lapack::getri<float>
(int n,
float a[],
int lda,
const int ipiv[],
float work[],
int lwork,
int& info )
{
sgetri_(n,a,lda,ipiv,work,lwork,info);
}
template <> inline void Lapack::getri<double>
(int n,
double a[],
int lda,
const int ipiv[],
double work[],
int lwork,
int& info )
{
dgetri_(n,a,lda,ipiv,work,lwork,info);
}
template <> inline void Lapack::getri< complex<float> >
(int n,
complex<float> a[],
int lda,
const int ipiv[],
complex<float> work[],
int lwork,
int& info )
{
cgetri_(n,a,lda,ipiv,work,lwork,info);
}
template <> inline void Lapack::getri< complex<double> >
(int n,
complex<double> a[],
int lda,
const int ipiv[],
complex<double> work[],
int lwork,
int& info )
{
zgetri_(n,a,lda,ipiv,work,lwork,info);
}
// xGETRF //
template <> inline void Lapack::getrf<float>
(int m,
int n,
float a[],
int lda,
int ipiv[],
int& info )
{
sgetrf_(m,n,a,lda,ipiv,info);
}
template <> inline void Lapack::getrf<double>
(int m,
int n,
double a[],
int lda,
int ipiv[],
int& info )
{
dgetrf_(m,n,a,lda,ipiv,info);
}
template <> inline void Lapack::getrf< complex<float> >
(int m,
int n,
complex<float> a[],
int lda,
int ipiv[],
int& info )
{
cgetrf_(m,n,a,lda,ipiv,info);
}
template <> inline void Lapack::getrf< complex<double> >
(int m,
int n,
complex<double> a[],
int lda,
int ipiv[],
int& info )
{
zgetrf_(m,n,a,lda,ipiv,info);
}
/*
void SimTK_STDCALL
SimTK_LAPACK(dgeev,DGEEV)
(const char &jobvl SimTK_LAPACK_STRLEN_FOLLOWS_DECL,
const char &jobvr SimTK_LAPACK_STRLEN_FOLLOWS_DECL,
const int &n,
double a[],
const int &lda,
double wr[],
double wi[],
double vl[],
const int &ldvl,
double vr[],
const int &ldvr,
double work[],
const int &lwork,
int &info
SimTK_LAPACK_STRLEN_ATEND_DECL
SimTK_LAPACK_STRLEN_ATEND_DECL);
void SimTK_STDCALL
SimTK_LAPACK(dsyev,DSYEV)
(const char &jobz SimTK_LAPACK_STRLEN_FOLLOWS_DECL,
const char &uplo SimTK_LAPACK_STRLEN_FOLLOWS_DECL,
const int &n,
double a[],
const int &lda,
double w[],
double work[],
const int &lwork,
int &info
SimTK_LAPACK_STRLEN_ATEND_DECL
SimTK_LAPACK_STRLEN_ATEND_DECL);
void SimTK_STDCALL
SimTK_LAPACK(dspev,DSPEV)
(const char &jobz SimTK_LAPACK_STRLEN_FOLLOWS_DECL,
const char &uplo SimTK_LAPACK_STRLEN_FOLLOWS_DECL,
const int &n,
double a[],
double w[],
double z[],
const int &ldz,
double work[],
int &info
SimTK_LAPACK_STRLEN_ATEND_DECL
SimTK_LAPACK_STRLEN_ATEND_DECL);
void SimTK_STDCALL
SimTK_LAPACK(dsptri,DSPTRI)
(const char &uplo SimTK_LAPACK_STRLEN_FOLLOWS_DECL,
const int &size,
double a[],
int ipiv[],
double work[],
int &info
SimTK_LAPACK_STRLEN_ATEND_DECL);
void SimTK_STDCALL
SimTK_LAPACK(dsptrf,DSPTRF)
(const char &uplo SimTK_LAPACK_STRLEN_FOLLOWS_DECL,
const int &size,
double a[],
int ipiv[],
int &info
SimTK_LAPACK_STRLEN_ATEND_DECL);
void SimTK_STDCALL
SimTK_LAPACK(dsyevx,DSYEVX)
(const char &jobz,
const char &range,
const char &uplo,
const int &n,
double a[],
const int &lda,
const double &vl,
const double &vu,
const int &il,
const int &iu,
const double &abstol,
int &m,
double w[],
double z[],
const int &ldz,
double work[],
const int &lwork,
int iwork[],
int ifail[],
int &info);
void SimTK_STDCALL
SimTK_LAPACK(dgelss,DGELSS)
(int &m,
const int &n,
const int &nrhs,
double a[],
const int &lda,
double b[],
const int &ldb,
double s[],
const double &rcond,
int &rank,
double work[],
const int &lwork,
int &info );
void SimTK_STDCALL
SimTK_LAPACK(dgesv,DGESV)
(int &n,
int &nrhs,
double a[],
int &lda,
int ipiv[],
double b[],
int &ldb,
int &info);
void SimTK_STDCALL
SimTK_LAPACK(dgesvd,DGESVD)
(const char &jobu SimTK_LAPACK_STRLEN_FOLLOWS_DECL,
const char &jobvt SimTK_LAPACK_STRLEN_FOLLOWS_DECL,
const int &m,
const int &n,
double a[],
const int &lda,
double s[],
double u[],
const int &ldu,
double vt[],
const int &ldvt,
double work[],
const int &lwork,
int &info
SimTK_LAPACK_STRLEN_ATEND_DECL
SimTK_LAPACK_STRLEN_ATEND_DECL);
*/
} // namespace SimTK
#endif // SimTK_SimTKCOMMON_TEMPLATIZED_LAPACK_H_
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