/
basematrix.hpp
807 lines (683 loc) · 23.2 KB
/
basematrix.hpp
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#ifndef FILE_NGS_BASEMATRIX
#define FILE_NGS_BASEMATRIX
/*********************************************************************/
/* File: basematrix.hpp */
/* Author: Joachim Schoeberl */
/* Date: 25. Mar. 2000 */
/*********************************************************************/
namespace ngla
{
// sets the solver which is used for InverseMatrix
enum INVERSETYPE { PARDISO, PARDISOSPD, SPARSECHOLESKY, SUPERLU, SUPERLU_DIST, MUMPS, MASTERINVERSE, UMFPACK };
extern string GetInverseName (INVERSETYPE type);
/**
The base for all matrices in the linalg.
*/
class NGS_DLL_HEADER BaseMatrix : public enable_shared_from_this_virtual<BaseMatrix>
{
protected:
shared_ptr<ParallelDofs> paralleldofs;
mutable char safety_check = 0;
protected:
///
BaseMatrix ();
///
BaseMatrix (shared_ptr<ParallelDofs> aparalleldofs);
public:
///
virtual ~BaseMatrix ();
/// virtual function must be overloaded
virtual int VHeight() const;
/// virtual function must be overloaded
virtual int VWidth() const;
/// inline function VHeight
int Height() const
{
return VHeight();
}
/// inline function VWidth
int Width() const
{
return VWidth();
}
virtual xbool IsSymmetric() const { return maybe; }
/// is matrix complex ?
virtual bool IsComplex() const { return false; }
/// scalar assignment
BaseMatrix & operator= (double s)
{
AsVector().SetScalar(s);
return *this;
}
/// linear access of matrix memory
virtual BaseVector & AsVector();
/// linear access of matrix memory
virtual const BaseVector & AsVector() const;
///
virtual void SetZero();
virtual ostream & Print (ostream & ost) const;
virtual Array<MemoryUsage> GetMemoryUsage () const;
virtual size_t NZE () const;
template <typename T>
shared_ptr<T> SharedFromThis()
{ return dynamic_pointer_cast<T> (shared_from_this()); }
/// whatever it means ... e.g. refactor sparse factorization
virtual void Update() { ; }
/// creates matrix of same type
virtual shared_ptr<BaseMatrix> CreateMatrix () const;
/// creates a matching vector, size = width
virtual AutoVector CreateRowVector () const = 0;
/// creates a matching vector, size = height
virtual AutoVector CreateColVector () const = 0;
/// creates a matching vector (for square matrices)
[[deprecated("use CreateRowVector or CreateColVector instead")]]
virtual AutoVector CreateVector () const;
/// y = matrix * x.
virtual void Mult (const BaseVector & x, BaseVector & y) const;
///
virtual void MultTrans (const BaseVector & x, BaseVector & y) const;
/// y += s matrix * x
virtual void MultAdd (double s, const BaseVector & x, BaseVector & y) const;
/// y += s matrix * x
virtual void MultAdd (Complex s, const BaseVector & x, BaseVector & y) const;
/// y += s Trans(matrix) * x
virtual void MultTransAdd (double s, const BaseVector & x, BaseVector & y) const;
/// y += s Trans(matrix) * x
virtual void MultTransAdd (Complex s, const BaseVector & x, BaseVector & y) const;
/// y += s Trans(matrix) * x
virtual void MultConjTransAdd (Complex s, const BaseVector & x, BaseVector & y) const;
/// y += alpha M x
virtual void MultAdd (FlatVector<double> alpha, const MultiVector & x, MultiVector & y) const;
/**
to split mat x vec for symmetric matrices
only rows with inner or cluster true need by added (but more can be ...)
*/
virtual void MultAdd1 (double s, const BaseVector & x, BaseVector & y,
const BitArray * ainner = NULL,
const Array<int> * acluster = NULL) const;
/// only cols with inner or cluster true need by added (but more can be ...)
virtual void MultAdd2 (double s, const BaseVector & x, BaseVector & y,
const BitArray * ainner = NULL,
const Array<int> * acluster = NULL) const;
void SetParallelDofs (shared_ptr<ParallelDofs> pardofs) { paralleldofs = pardofs; }
shared_ptr<ParallelDofs> GetParallelDofs () const { return paralleldofs; }
virtual shared_ptr<BaseMatrix> InverseMatrix (shared_ptr<BitArray> subset = nullptr) const;
virtual shared_ptr<BaseMatrix> InverseMatrix (shared_ptr<const Array<int>> clusters) const;
virtual INVERSETYPE SetInverseType ( INVERSETYPE ainversetype ) const;
virtual INVERSETYPE SetInverseType ( string ainversetype ) const;
virtual INVERSETYPE GetInverseType () const;
virtual void DoArchive (Archive & ar);
class OperatorInfo
{
public:
string name = "undef";
size_t height = 0, width = 0;
Array<const BaseMatrix*> childs;
};
virtual BaseMatrix::OperatorInfo GetOperatorInfo () const;
void PrintOperatorInfo (ostream & ost, int level = 0) const;
private:
BaseMatrix & operator= (const BaseMatrix & m2) { return *this; }
MemoryTracer mt = { "BaseMatrix" };
public:
const MemoryTracer& GetMemoryTracer() const { return mt; }
};
/// specifies the scalar type.
template <typename SCAL>
class NGS_DLL_HEADER S_BaseMatrix : virtual public BaseMatrix
{
public:
///
S_BaseMatrix ();
///
virtual ~S_BaseMatrix ();
virtual bool IsComplex() const { return false; }
};
// specifies the scalar type Complex.
template <>
class S_BaseMatrix<Complex> : virtual public BaseMatrix
{
public:
///
S_BaseMatrix ();
///
virtual ~S_BaseMatrix ();
virtual bool IsComplex() const { return true; }
/// calls MultAdd (Complex s);
virtual void MultAdd (double s, const BaseVector & x, BaseVector & y) const;
/// must be overloaded
virtual void MultAdd (Complex s, const BaseVector & x, BaseVector & y) const;
/// calls MultTransAdd (Complex s);
virtual void MultTransAdd (double s, const BaseVector & x, BaseVector & y) const;
/// should be overloaded
virtual void MultTransAdd (Complex s, const BaseVector & x, BaseVector & y) const;
};
/* *************************** Matrix * Vector ******************** */
///
class VMatVecExpr
{
const BaseMatrix & m;
const BaseVector & x;
public:
VMatVecExpr (const BaseMatrix & am, const BaseVector & ax) : m(am), x(ax) { ; }
template <class TS>
void AssignTo (TS s, BaseVector & v) const
{
CheckSize (v);
/*
if (m.Height() != v.Size() || m.Width() != x.Size())
throw Exception (ToString ("matrix-vector: size does not fit\n") +
"matrix-type = " + typeid(m).name() +
"Matrix: " + ToString(m.Height()) + " x " + ToString(m.Width()) + "\n"
"Vector in : " + ToString(x.Size()) + "\n"
"Vector res: " + ToString(v.Size()));
*/
m.Mult (x, v);
v *= s;
}
template <class TS>
void AddTo (TS s, BaseVector & v) const
{
CheckSize (v);
/*
if (m.Height() != v.Size() || m.Width() != x.Size())
throw Exception ("matrix-vector MultAdd: size does not fit");
*/
m.MultAdd (s, x, v);
}
NGS_DLL_HEADER void CheckSize (BaseVector & dest_vec) const;
};
/// BaseMatrix times Vector - expression template
inline VVecExpr<VMatVecExpr>
operator* (const BaseMatrix & a, const BaseVector & b)
{
return VMatVecExpr (a, b);
}
class NGS_DLL_HEADER DynamicMatVecExpression : public DynamicBaseExpression
{
shared_ptr<BaseMatrix> m;
shared_ptr<BaseVector> v;
AutoVector CreateVector() const override
{ return m->CreateColVector(); }
void AssignTo (double s, BaseVector & v2) const override
{
m->Mult(*v, v2);
v2 *= s;
}
void AddTo (double s, BaseVector & v2) const override
{
m->MultAdd (s, *v, v2);
}
void AssignTo (Complex s, BaseVector & v2) const override
{
m->Mult(*v, v2);
v2 *= s;
}
void AddTo (Complex s, BaseVector & v2) const override
{
m->MultAdd (s, *v, v2);
}
public:
DynamicMatVecExpression (shared_ptr<BaseMatrix> am, shared_ptr<BaseVector> av)
: m(am), v(av) { }
};
/* ************************** Transpose ************************* */
/**
The Transpose of a BaseMatrix.
*/
class NGS_DLL_HEADER Transpose : public BaseMatrix
{
const BaseMatrix & bm;
shared_ptr<BaseMatrix> spbm;
public:
///
Transpose (const BaseMatrix & abm) : bm(abm) { ; }
Transpose (shared_ptr<BaseMatrix> aspbm) : bm(*aspbm), spbm(aspbm) { ; }
///
virtual bool IsComplex() const override { return bm.IsComplex(); }
virtual BaseMatrix::OperatorInfo GetOperatorInfo () const override;
virtual AutoVector CreateRowVector () const override { return bm.CreateColVector(); }
virtual AutoVector CreateColVector () const override { return bm.CreateRowVector(); }
virtual void Mult (const BaseVector & x, BaseVector & y) const override
{
bm.MultTrans (x, y);
}
virtual void MultTrans (const BaseVector & x, BaseVector & y) const override
{
bm.Mult (x, y);
}
///
virtual void MultAdd (double s, const BaseVector & x, BaseVector & y) const override
{
bm.MultTransAdd (s, x, y);
}
///
virtual void MultAdd (Complex s, const BaseVector & x, BaseVector & y) const override
{
bm.MultTransAdd (s, x, y);
}
///
virtual void MultTransAdd (double s, const BaseVector & x, BaseVector & y) const override
{
bm.MultAdd (s, x, y);
}
///
virtual void MultTransAdd (Complex s, const BaseVector & x, BaseVector & y) const override
{
bm.MultAdd (s, x, y);
}
virtual int VHeight() const override { return bm.VWidth(); }
virtual int VWidth() const override { return bm.VHeight(); }
virtual ostream & Print (ostream & ost) const override
{
ost << "Transpose of " << endl;
bm.Print(ost);
return ost;
}
};
/* ************************** ConjTrans ************************* */
/**
The conjugate transpose of a BaseMatrix.
*/
class NGS_DLL_HEADER ConjTrans : public BaseMatrix
{
shared_ptr<BaseMatrix> spbm;
public:
ConjTrans (shared_ptr<BaseMatrix> aspbm) : spbm(aspbm) { ; }
///
virtual bool IsComplex() const override { return spbm->IsComplex(); }
virtual AutoVector CreateRowVector () const override { return spbm->CreateColVector(); }
virtual AutoVector CreateColVector () const override { return spbm->CreateRowVector(); }
virtual void Mult (const BaseVector & x, BaseVector & y) const override
{
y = 0.0;
spbm->MultConjTransAdd (1, x, y);
}
virtual void MultTrans (const BaseVector & x, BaseVector & y) const override
{
throw Exception("Trans of ConjTrans not available");
}
///
virtual void MultAdd (double s, const BaseVector & x, BaseVector & y) const override
{
spbm->MultConjTransAdd (s, x, y);
}
///
virtual void MultAdd (Complex s, const BaseVector & x, BaseVector & y) const override
{
spbm->MultConjTransAdd (s, x, y);
}
///
virtual void MultTransAdd (double s, const BaseVector & x, BaseVector & y) const override
{
throw Exception("Trans of ConjTrans not available");
}
///
virtual void MultTransAdd (Complex s, const BaseVector & x, BaseVector & y) const override
{
throw Exception("Trans of ConjTrans not available");
}
virtual int VHeight() const override { return spbm->VWidth(); }
virtual int VWidth() const override { return spbm->VHeight(); }
virtual ostream & Print (ostream & ost) const override
{
ost << "ConjTrans of " << endl;
spbm->Print(ost);
return ost;
}
};
/* ************************** Product ************************* */
/// action of product of two matrices
class NGS_DLL_HEADER ProductMatrix : public BaseMatrix
{
const BaseMatrix & bma;
const BaseMatrix & bmb;
shared_ptr<BaseMatrix> spbma;
shared_ptr<BaseMatrix> spbmb;
mutable AutoVector tempvec;
public:
///
ProductMatrix (const BaseMatrix & abma, const BaseMatrix & abmb)
: bma(abma), bmb(abmb), tempvec(abmb.CreateColVector())
{ ; }
ProductMatrix (shared_ptr<BaseMatrix> aspbma, shared_ptr<BaseMatrix> aspbmb)
: bma(*aspbma), bmb(*aspbmb), spbma(aspbma), spbmb(aspbmb)
// tempvec(aspbmb->CreateColVector())
{
try
{
tempvec.AssignPointer(bmb.CreateColVector());
}
catch (Exception & e)
{
tempvec.AssignPointer(bma.CreateRowVector());
}
}
///
virtual bool IsComplex() const override { return bma.IsComplex() || bmb.IsComplex(); }
virtual BaseMatrix::OperatorInfo GetOperatorInfo () const override;
virtual AutoVector CreateRowVector () const override { return bmb.CreateRowVector(); }
virtual AutoVector CreateColVector () const override { return bma.CreateColVector(); }
///
virtual void Mult (const BaseVector & x, BaseVector & y) const override
{
static Timer t("ProductMatrix::Mult"); RegionTimer reg(t);
bmb.Mult (x, tempvec);
bma.Mult (tempvec, y);
}
virtual void MultTrans (const BaseVector & x, BaseVector & y) const override
{
static Timer t("ProductMatrix::Mult"); RegionTimer reg(t);
bma.MultTrans (x, tempvec);
bmb.MultTrans (tempvec, y);
}
virtual void MultAdd (double s, const BaseVector & x, BaseVector & y) const override
{
static Timer t("ProductMatrix::MultAdd"); RegionTimer reg(t);
bmb.Mult (x, tempvec);
bma.MultAdd (s, tempvec, y);
}
///
virtual void MultAdd (Complex s, const BaseVector & x, BaseVector & y) const override
{
static Timer t("ProductMatrix::MultAdd complex"); RegionTimer reg(t);
bmb.Mult (x, tempvec);
bma.MultAdd (s, tempvec, y);
}
///
virtual void MultTransAdd (double s, const BaseVector & x, BaseVector & y) const override
{
static Timer t("ProductMatrix::MultTransAdd"); RegionTimer reg(t);
bma.MultTrans (x, tempvec);
bmb.MultTransAdd (s, tempvec, y);
}
///
virtual void MultTransAdd (Complex s, const BaseVector & x, BaseVector & y) const override
{
static Timer t("ProductMatrix::MultTransAdd complex"); RegionTimer reg(t);
bma.MultTrans (x, tempvec);
bmb.MultTransAdd (s, tempvec, y);
}
virtual int VHeight() const override { return bma.VHeight(); }
virtual int VWidth() const override { return bmb.VWidth(); }
virtual ostream & Print (ostream & ost) const override
{
ost << "Product of" << endl;
bma.Print(ost);
bmb.Print(ost);
return ost;
}
};
/* ************************** Sum ************************* */
/// action of product of two matrices
class NGS_DLL_HEADER SumMatrix : public BaseMatrix
{
const BaseMatrix & bma;
const BaseMatrix & bmb;
shared_ptr<BaseMatrix> spbma;
shared_ptr<BaseMatrix> spbmb;
double a, b;
public:
///
SumMatrix (const BaseMatrix & abma, const BaseMatrix & abmb,
double aa = 1, double ab = 1)
: bma(abma), bmb(abmb), a(aa), b(ab)
{ ; }
SumMatrix (shared_ptr<BaseMatrix> aspbma, shared_ptr<BaseMatrix> aspbmb,
double aa = 1, double ab = 1)
: bma(*aspbma), bmb(*aspbmb), spbma(aspbma), spbmb(aspbmb), a(aa), b(ab)
{ ; }
///
virtual bool IsComplex() const override { return bma.IsComplex() || bmb.IsComplex(); }
virtual BaseMatrix::OperatorInfo GetOperatorInfo () const override;
virtual AutoVector CreateRowVector () const override
{
try
{
return bma.CreateRowVector();
}
catch (Exception & e)
{
return bmb.CreateRowVector();
}
}
virtual AutoVector CreateColVector () const override
{
try
{
return bma.CreateColVector();
}
catch (Exception & e)
{
return bmb.CreateColVector();
}
}
virtual void Mult (const BaseVector & x, BaseVector & y) const override
{
static Timer t("SumMatrix::Mult"); RegionTimer reg(t);
if (a == 1)
bma.Mult (x, y);
else
{
y = 0.0;
bma.MultAdd (a, x, y);
}
bmb.MultAdd (b, x, y);
}
virtual void MultTrans (const BaseVector & x, BaseVector & y) const override
{
static Timer t("SumMatrix::MultTrans"); RegionTimer reg(t);
if (a == 1)
bma.MultTrans (x, y);
else
{
y = 0.0;
bma.MultTransAdd (a, x, y);
}
bmb.MultTransAdd (b, x, y);
}
///
virtual void MultAdd (double s, const BaseVector & x, BaseVector & y) const override
{
static Timer t("SumMatrix::MultAdd"); RegionTimer reg(t);
bma.MultAdd (a*s, x, y);
bmb.MultAdd (b*s, x, y);
}
///
virtual void MultAdd (Complex s, const BaseVector & x, BaseVector & y) const override
{
static Timer t("SumMatrix::MultAdd complex"); RegionTimer reg(t);
bma.MultAdd (a*s, x, y);
bmb.MultAdd (b*s, x, y);
}
///
virtual void MultTransAdd (double s, const BaseVector & x, BaseVector & y) const override
{
static Timer t("SumMatrix::MultTransAdd"); RegionTimer reg(t);
bma.MultTransAdd (a*s, x, y);
bmb.MultTransAdd (b*s, x, y);
}
///
virtual void MultTransAdd (Complex s, const BaseVector & x, BaseVector & y) const override
{
static Timer t("SumMatrix::MultAdd complex"); RegionTimer reg(t);
bma.MultTransAdd (a*s, x, y);
bmb.MultTransAdd (b*s, x, y);
}
virtual int VHeight() const override
{
try
{
return bma.VHeight();
}
catch (Exception &)
{
return bmb.VHeight();
}
}
virtual int VWidth() const override
{
try
{
return bma.VWidth();
}
catch (Exception &)
{
return bmb.VWidth();
}
}
virtual ostream & Print (ostream & ost) const override
{
ost << "Sum of" << endl;
ost << "Scale a = " << a << endl;
bma.Print(ost);
ost << "Scale b = " << b << endl;
bmb.Print(ost);
return ost;
}
};
/* ************************** Scale ************************* */
template <typename TSCAL>
class VScaleMatrix : public BaseMatrix
{
const BaseMatrix & bm;
shared_ptr<BaseMatrix> spbm;
TSCAL scale;
public:
///
VScaleMatrix (const BaseMatrix & abm, TSCAL ascale) : bm(abm), scale(ascale) { ; }
VScaleMatrix (shared_ptr<BaseMatrix> aspbm, TSCAL ascale)
: bm(*aspbm), spbm(aspbm), scale(ascale) { ; }
virtual bool IsComplex() const override
{ return bm.IsComplex() || typeid(TSCAL)==typeid(Complex); }
///
virtual void MultAdd (double s, const BaseVector & x, BaseVector & y) const override
{
static Timer t("ScaleMatrix::MultAdd"); RegionTimer reg(t);
bm.MultAdd (s*scale, x, y);
}
///
virtual void MultAdd (Complex s, const BaseVector & x, BaseVector & y) const override
{
static Timer t("ScaleMatrix::MultAdd complex"); RegionTimer reg(t);
bm.MultAdd (s*scale, x, y);
}
///
virtual void MultTransAdd (double s, const BaseVector & x, BaseVector & y) const override
{
static Timer t("ScaleMatrix::MultTransAdd"); RegionTimer reg(t);
bm.MultTransAdd (s*scale, x, y);
}
///
virtual void MultTransAdd (Complex s, const BaseVector & x, BaseVector & y) const override
{
static Timer t("ScaleMatrix::MultTransAdd complex"); RegionTimer reg(t);
bm.MultTransAdd (s*scale, x, y);
}
virtual int VHeight() const override { return bm.VHeight(); }
virtual int VWidth() const override { return bm.VWidth(); }
virtual AutoVector CreateRowVector () const override { return bm.CreateRowVector(); }
virtual AutoVector CreateColVector () const override { return bm.CreateColVector(); }
virtual ostream & Print (ostream & ost) const override
{
ost << "Scale with " << scale << ":" << endl;
bm.Print(ost);
return ost;
}
};
inline VScaleMatrix<double> operator* (double d, const BaseMatrix & m)
{
return VScaleMatrix<double> (m, d);
}
/* ************************** Identity ************************* */
class NGS_DLL_HEADER IdentityMatrix : public BaseMatrix
{
bool has_format;
size_t size;
bool is_complex;
public:
///
IdentityMatrix ()
: has_format(false), is_complex(false) { ; }
IdentityMatrix (size_t asize, bool ais_complex)
: has_format(true), size(asize), is_complex(ais_complex) { ; }
virtual bool IsComplex() const override { return is_complex; }
virtual BaseMatrix::OperatorInfo GetOperatorInfo () const override;
///
virtual void Mult (const BaseVector & x, BaseVector & y) const override
{
static Timer t("IdentityMatrix::Mult"); RegionTimer reg(t);
y = x;
}
virtual void MultTrans (const BaseVector & x, BaseVector & y) const override
{
static Timer t("IdentityMatrix::MultTrans"); RegionTimer reg(t);
y = x;
}
///
virtual void MultAdd (double s, const BaseVector & x, BaseVector & y) const override
{
static Timer t("IdentityMatrix::MultAdd"); RegionTimer reg(t);
y += s*x;
}
///
virtual void MultAdd (Complex s, const BaseVector & x, BaseVector & y) const override
{
static Timer t("IdentityMatrix::MultAdd Complex"); RegionTimer reg(t);
y += s*x;
}
///
virtual void MultTransAdd (double s, const BaseVector & x, BaseVector & y) const override
{
static Timer t("IdentityMatrix::MultTransAdd"); RegionTimer reg(t);
y += s*x;
}
///
virtual void MultTransAdd (Complex s, const BaseVector & x, BaseVector & y) const override
{
static Timer t("IdentityMatrix::MultTransAdd Complex"); RegionTimer reg(t);
y += s*x;
}
virtual int VHeight() const override
{
if (has_format) return size;
throw Exception("Identity: no Height");
}
virtual int VWidth() const override
{
if (has_format) return size;
throw Exception("Identity: no Width");
}
virtual AutoVector CreateRowVector () const override
{
if (has_format)
return CreateBaseVector(size, is_complex, 1);
throw Exception("Identity: no RowVector");
}
virtual AutoVector CreateColVector () const override
{
if (has_format)
return CreateBaseVector(size, is_complex, 1);
throw Exception("Identity: no ColVector");
}
virtual ostream & Print (ostream & ost) const override
{
ost << "Identity" << endl;
return ost;
}
};
/* *********************** operator<< ********************** */
// default is ProductMatrix, but optimizations for
// ParallelMatrices
// Embedding Matrices
// ....
shared_ptr<BaseMatrix> ComposeOperators (shared_ptr<BaseMatrix> a,
shared_ptr<BaseMatrix> b);
shared_ptr<BaseMatrix> TransposeOperator (shared_ptr<BaseMatrix> mat);
/// output operator for matrices
inline ostream & operator<< (ostream & ost, const BaseMatrix & m)
{
return m.Print(ost);
}
}
#endif