Files
solver/MbDCode/FullMatrix.h
2023-07-30 12:08:39 -06:00

426 lines
12 KiB
C++

#pragma once
#include <corecrt_math_defines.h>
#include <memory>
#include "RowTypeMatrix.h"
//#include "CREATE.h" //Use forward declaration. //Cannot use CREATE.h in subclasses of std::vector. Why?
namespace MbD {
template<typename T>
class FullColumn;
template<typename T>
class FullRow;
template<typename T>
class EulerParameters;
template<typename T>
class FullMatrix : public RowTypeMatrix<std::shared_ptr<FullRow<T>>>
{
public:
FullMatrix() {}
FullMatrix(int m) : RowTypeMatrix<std::shared_ptr<FullRow<T>>>(m)
{
}
FullMatrix(int m, int n) {
for (int i = 0; i < m; i++) {
auto row = std::make_shared<FullRow<T>>(n);
this->push_back(row);
}
}
FullMatrix(std::initializer_list<std::shared_ptr<FullRow<T>>> listOfRows) {
for (auto& row : listOfRows)
{
this->push_back(row);
}
}
FullMatrix(std::initializer_list<std::initializer_list<T>> list2D) {
for (auto& rowList : list2D)
{
auto row = std::make_shared<FullRow<T>>(rowList);
this->push_back(row);
}
}
void identity();
std::shared_ptr<FullColumn<T>> column(int j);
std::shared_ptr<FullColumn<T>> timesFullColumn(std::shared_ptr<FullColumn<T>> fullCol);
std::shared_ptr<FullColumn<T>> timesFullColumn(FullColumn<T>* fullCol);
std::shared_ptr<FullMatrix<T>> timesFullMatrix(std::shared_ptr<FullMatrix<T>> fullMat);
std::shared_ptr<FullMatrix<T>> timesTransposeFullMatrix(std::shared_ptr<FullMatrix<T>> fullMat);
std::shared_ptr<FullMatrix<T>> times(double a);
std::shared_ptr<FullMatrix<T>> transposeTimesFullMatrix(std::shared_ptr<FullMatrix<T>> fullMat);
std::shared_ptr<FullMatrix<T>> plusFullMatrix(std::shared_ptr<FullMatrix<T>> fullMat);
std::shared_ptr<FullMatrix<T>> minusFullMatrix(std::shared_ptr<FullMatrix<T>> fullMat);
std::shared_ptr<FullMatrix<T>> transpose();
std::shared_ptr<FullMatrix<T>> negated();
void symLowerWithUpper();
void atiput(int i, std::shared_ptr<FullRow<T>> fullRow);
void atijput(int i, int j, T value);
void atijputFullColumn(int i, int j, std::shared_ptr<FullColumn<T>> fullCol);
void atijplusFullRow(int i, int j, std::shared_ptr<FullRow<T>> fullRow);
void atijplusNumber(int i, int j, double value);
void atijminusNumber(int i, int j, double value);
double sumOfSquares() override;
void zeroSelf() override;
std::shared_ptr<FullMatrix<T>> copy();
FullMatrix<T> operator+(const FullMatrix<T> fullMat);
std::shared_ptr<FullColumn<T>> transposeTimesFullColumn(const std::shared_ptr<FullColumn<T>> fullCol);
void magnifySelf(T factor);
std::shared_ptr<EulerParameters<T>> asEulerParameters();
T trace();
double maxMagnitude() override;
std::shared_ptr<FullColumn<T>> bryantAngles();
std::ostream& printOn(std::ostream& s) const override;
};
template<>
inline void FullMatrix<double>::identity() {
this->zeroSelf();
for (int i = 0; i < this->size(); i++) {
this->at(i)->at(i) = 1.0;
}
}
template<typename T>
inline std::shared_ptr<FullColumn<T>> FullMatrix<T>::column(int j) {
int n = (int)this->size();
auto answer = std::make_shared<FullColumn<T>>(n);
for (int i = 0; i < n; i++) {
answer->at(i) = this->at(i)->at(j);
}
return answer;
}
template<typename T>
inline std::shared_ptr<FullMatrix<T>> FullMatrix<T>::timesFullMatrix(std::shared_ptr<FullMatrix<T>> fullMat)
{
int m = this->nrow();
auto answer = std::make_shared<FullMatrix<T>>(m);
for (int i = 0; i < m; i++) {
answer->at(i) = this->at(i)->timesFullMatrix(fullMat);
}
return answer;
}
template<typename T>
inline std::shared_ptr<FullMatrix<T>> FullMatrix<T>::timesTransposeFullMatrix(std::shared_ptr<FullMatrix<T>> fullMat)
{
int nrow = this->nrow();
auto answer = std::make_shared<FullMatrix<T>>(nrow);
for (int i = 0; i < nrow; i++) {
answer->at(i) = this->at(i)->timesTransposeFullMatrix(fullMat);
}
return answer;
}
template<typename T>
inline std::shared_ptr<FullMatrix<T>> FullMatrix<T>::times(double a)
{
int m = this->nrow();
auto answer = std::make_shared<FullMatrix<T>>(m);
for (int i = 0; i < m; i++) {
answer->at(i) = this->at(i)->times(a);
}
return answer;
}
template<typename T>
inline std::shared_ptr<FullMatrix<T>> FullMatrix<T>::transposeTimesFullMatrix(std::shared_ptr<FullMatrix<T>> fullMat)
{
return this->transpose()->timesFullMatrix(fullMat);
}
template<typename T>
inline std::shared_ptr<FullMatrix<T>> FullMatrix<T>::plusFullMatrix(std::shared_ptr<FullMatrix<T>> fullMat)
{
int n = (int)this->size();
auto answer = std::make_shared<FullMatrix<T>>(n);
for (int i = 0; i < n; i++) {
answer->at(i) = this->at(i)->plusFullRow(fullMat->at(i));
}
return answer;
}
template<typename T>
inline std::shared_ptr<FullMatrix<T>> FullMatrix<T>::minusFullMatrix(std::shared_ptr<FullMatrix<T>> fullMat)
{
int n = (int)this->size();
auto answer = std::make_shared<FullMatrix<T>>(n);
for (int i = 0; i < n; i++) {
answer->at(i) = this->at(i)->minusFullRow(fullMat->at(i));
}
return answer;
}
template<typename T>
inline std::shared_ptr<FullMatrix<T>> FullMatrix<T>::transpose()
{
int nrow = this->nrow();
auto ncol = this->ncol();
auto answer = std::make_shared<FullMatrix<T>>(ncol, nrow);
for (int i = 0; i < nrow; i++) {
auto& row = this->at(i);
for (int j = 0; j < ncol; j++) {
answer->at(j)->at(i) = row->at(j);
}
}
return answer;
}
template<typename T>
inline std::shared_ptr<FullMatrix<T>> FullMatrix<T>::negated()
{
return this->times(-1.0);
}
template<typename T>
inline void FullMatrix<T>::symLowerWithUpper()
{
int n = (int)this->size();
for (int i = 0; i < n; i++) {
for (int j = i + 1; j < n; j++) {
this->at(j)->at(i) = this->at(i)->at(j);
}
}
}
template<typename T>
inline void FullMatrix<T>::atiput(int i, std::shared_ptr<FullRow<T>> fullRow)
{
this->at(i) = fullRow;
}
template<typename T>
inline void FullMatrix<T>::atijput(int i, int j, T value)
{
this->at(i)->atiput(j, value);
}
template<typename T>
inline void FullMatrix<T>::atijputFullColumn(int i1, int j1, std::shared_ptr<FullColumn<T>> fullCol)
{
for (int ii = 0; ii < fullCol->size(); ii++)
{
this->at(i1 + ii)->at(j1) = fullCol->at(ii);
}
}
template<typename T>
inline void FullMatrix<T>::atijplusFullRow(int i, int j, std::shared_ptr<FullRow<T>> fullRow)
{
this->at(i)->atiplusFullRow(j, fullRow);
}
template<typename T>
inline void FullMatrix<T>::atijplusNumber(int i, int j, double value)
{
auto rowi = this->at(i);
rowi->at(j) += value;
}
template<typename T>
inline void FullMatrix<T>::atijminusNumber(int i, int j, double value)
{
auto rowi = this->at(i);
rowi->at(j) -= value;
}
template<>
inline double FullMatrix<double>::sumOfSquares()
{
double sum = 0.0;
for (int i = 0; i < this->size(); i++)
{
sum += this->at(i)->sumOfSquares();
}
return sum;
}
template<typename T>
inline double FullMatrix<T>::sumOfSquares()
{
assert(false);
return 0.0;
}
template<>
inline void FullMatrix<double>::zeroSelf()
{
for (int i = 0; i < this->size(); i++) {
this->at(i)->zeroSelf();
}
}
template<typename T>
inline void FullMatrix<T>::zeroSelf()
{
assert(false);
}
template<typename T>
inline std::shared_ptr<FullMatrix<T>> FullMatrix<T>::copy()
{
auto m = (int)this->size();
auto answer = std::make_shared<FullMatrix<T>>(m);
for (int i = 0; i < m; i++)
{
answer->at(i) = this->at(i)->copy();
}
return answer;
}
template<typename T>
inline FullMatrix<T> FullMatrix<T>::operator+(const FullMatrix<T> fullMat)
{
int n = (int)this->size();
auto answer = FullMatrix<T>(n);
for (int i = 0; i < n; i++) {
answer.at(i) = this->at(i)->plusFullRow(fullMat.at(i));
}
return answer;
}
template<typename T>
inline std::shared_ptr<FullColumn<T>> FullMatrix<T>::transposeTimesFullColumn(std::shared_ptr<FullColumn<T>> fullCol)
{
auto sptr = std::make_shared<FullMatrix<T>>(*this);
return fullCol->transpose()->timesFullMatrix(sptr)->transpose();
}
template<typename T>
inline void FullMatrix<T>::magnifySelf(T factor)
{
for (int i = 0; i < this->size(); i++) {
this->at(i)->magnifySelf(factor);
}
}
template<typename T>
inline std::ostream& FullMatrix<T>::printOn(std::ostream& s) const
{
s << "FullMat[" << std::endl;
for (int i = 0; i < this->size(); i++)
{
s << *(this->at(i)) << std::endl;
}
s << "]";
return s;
}
template<typename T>
inline std::shared_ptr<EulerParameters<T>> FullMatrix<T>::asEulerParameters()
{
//"Given [A], compute Euler parameter."
auto traceA = this->trace();
T dum = 0.0;
T dumSq = 0.0;
//auto qE = CREATE<EulerParameters<double>>::With(4); //Cannot use CREATE.h in subclasses of std::vector. Why?
auto qE = std::make_shared<EulerParameters<T>>(4);
qE->initialize();
auto OneMinusTraceDivFour = (1.0 - traceA) / 4.0;
for (int i = 0; i < 3; i++)
{
dumSq = this->at(i)->at(i) / 2.0 + OneMinusTraceDivFour;
dum = (dumSq > 0.0) ? std::sqrt(dumSq) : 0.0;
qE->atiput(i, dum);
}
dumSq = (1.0 + traceA) / 4.0;
dum = (dumSq > 0.0) ? std::sqrt(dumSq) : 0.0;
qE->atiput(3, dum);
T max = 0.0;
int maxE = -1;
for (int i = 0; i < 4; i++)
{
auto num = qE->at(i);
if (max < num) {
max = num;
maxE = i;
}
}
if (maxE == 0) {
auto FourE = 4.0 * qE->at(0);
qE->atiput(1, (this->at(0)->at(1) + this->at(1)->at(0)) / FourE);
qE->atiput(2, (this->at(0)->at(2) + this->at(2)->at(0)) / FourE);
qE->atiput(3, (this->at(2)->at(1) - this->at(1)->at(2)) / FourE);
}
else if (maxE == 1) {
auto FourE = 4.0 * qE->at(1);
qE->atiput(0, (this->at(0)->at(1) + this->at(1)->at(0)) / FourE);
qE->atiput(2, (this->at(1)->at(2) + this->at(2)->at(1)) / FourE);
qE->atiput(3, (this->at(0)->at(2) - this->at(2)->at(0)) / FourE);
}
else if (maxE == 2) {
auto FourE = 4.0 * qE->at(2);
qE->atiput(0, (this->at(0)->at(2) + this->at(2)->at(0)) / FourE);
qE->atiput(1, (this->at(1)->at(2) + this->at(2)->at(1)) / FourE);
qE->atiput(3, (this->at(1)->at(0) - this->at(0)->at(1)) / FourE);
}
else if (maxE == 3) {
auto FourE = 4.0 * qE->at(3);
qE->atiput(0, (this->at(2)->at(1) - this->at(1)->at(2)) / FourE);
qE->atiput(1, (this->at(0)->at(2) - this->at(2)->at(0)) / FourE);
qE->atiput(2, (this->at(1)->at(0) - this->at(0)->at(1)) / FourE);
}
qE->conditionSelf();
qE->calc();
return qE;
}
template<typename T>
inline T FullMatrix<T>::trace()
{
T trace = 0.0;
for (int i = 0; i < this->size(); i++)
{
trace += this->at(i)->at(i);
}
return trace;
}
template<typename T>
inline double FullMatrix<T>::maxMagnitude()
{
auto max = 0.0;
for (int i = 0; i < this->size(); i++)
{
auto element = this->at(i)->maxMagnitude();
if (max < element) max = element;
}
return max;
}
template<typename T>
inline std::shared_ptr<FullColumn<T>> FullMatrix<T>::bryantAngles()
{
auto answer = std::make_shared<FullColumn<T>>(3);
auto sthe1y = this->at(0)->at(2);
T the0x, the1y, the2z, cthe0x, sthe0x, y, x;
if (std::abs(sthe1y) > 0.9999) {
if (sthe1y > 0.0) {
the0x = std::atan2(this->at(1)->at(0), this->at(1)->at(1));
the1y = M_PI / 2.0;
the2z = 0.0;
}
else {
the0x = std::atan2(this->at(2)->at(1), this->at(2)->at(0));
the1y = M_PI / -2.0;
the2z = 0.0;
}
}
else {
the0x = std::atan2(-this->at(1)->at(2), this->at(2)->at(2));
cthe0x = std::cos(the0x);
sthe0x = std::sin(the0x);
y = sthe1y;
if (std::abs(cthe0x) > std::abs(sthe0x)) {
x = this->at(2)->at(2) / cthe0x;
}
else {
x = this->at(1)->at(2) / -sthe0x;
}
the1y = std::atan2(y, x);
the2z = std::atan2(-this->at(0)->at(1), this->at(0)->at(0));
}
answer->atiput(0, the0x);
answer->atiput(1, the1y);
answer->atiput(2, the2z);
return answer;
}
template<typename T>
inline std::shared_ptr<FullColumn<T>> FullMatrix<T>::timesFullColumn(std::shared_ptr<FullColumn<T>> fullCol)
{
return this->timesFullColumn(fullCol.get());
}
template<typename T>
inline std::shared_ptr<FullColumn<T>> FullMatrix<T>::timesFullColumn(FullColumn<T>* fullCol)
{
//"a*b = a(i,j)b(j) sum j."
auto nrow = this->nrow();
auto answer = std::make_shared<FullColumn<T>>(nrow);
for (int i = 0; i < nrow; i++)
{
answer->at(i) = this->at(i)->timesFullColumn(fullCol);
}
return answer;
}
using FMatDsptr = std::shared_ptr<FullMatrix<double>>;
using FMatDsptr = std::shared_ptr<FullMatrix<double>>;
using FMatFColDsptr = std::shared_ptr<FullMatrix<std::shared_ptr<FullColumn<double>>>>;
using FMatFMatDsptr = std::shared_ptr<FullMatrix<std::shared_ptr<FullMatrix<double>>>>;
using FColFMatDsptr = std::shared_ptr<FullColumn<std::shared_ptr<FullMatrix<double>>>>;
}