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solver/OndselSolver/FullMatrix.h
2025-01-21 11:40:11 -07:00

799 lines
22 KiB
C++

/***************************************************************************
* Copyright (c) 2023 Ondsel, Inc. *
* *
* This file is part of OndselSolver. *
* *
* See LICENSE file for details about copyright. *
***************************************************************************/
#pragma once
#include <cmath>
#include <cstdint>
#include <memory>
#include "RowTypeMatrix.h"
#include "FullColumn.h"
#include "FullRow.h"
namespace MbD {
template<typename T>
class FullMatrix;
using FMatDsptr = std::shared_ptr<FullMatrix<double>>;
template<typename T>
using FMatsptr = std::shared_ptr<FullMatrix<T>>;
template<typename T>
class FullColumn;
using FColDsptr = std::shared_ptr<FullColumn<double>>;
template<typename T>
class FullRow;
template<typename T>
class EulerParameters;
template<typename T>
class EulerAngleszxz;
template<typename T>
class DiagonalMatrix;
using FMatFColDsptr = std::shared_ptr<FullMatrix<FColDsptr>>;
using FMatFMatDsptr = std::shared_ptr<FullMatrix<FMatDsptr>>;
using FColFMatDsptr = std::shared_ptr<FullColumn<FMatDsptr>>;
template<typename T>
class FullMatrix : public RowTypeMatrix<FRowsptr<T>>
{
public:
FullMatrix() {}
FullMatrix(size_t m) : RowTypeMatrix<FRowsptr<T>>(m)
{
}
FullMatrix(size_t m, size_t n) {
for (size_t i = 0; i < m; i++) {
auto row = std::make_shared<FullRow<T>>(n);
this->push_back(row);
}
}
FullMatrix(std::initializer_list<FRowsptr<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);
}
}
static FMatsptr<T> rotatex(T angle);
static FMatsptr<T> rotatey(T angle);
static FMatsptr<T> rotatez(T angle);
static FMatsptr<T> rotatexrotDot(T angle, T angledot);
static FMatsptr<T> rotateyrotDot(T angle, T angledot);
static FMatsptr<T> rotatezrotDot(T angle, T angledot);
static FMatsptr<T> rotatexrotDotrotDDot(T angle, T angleDot, T angleDDot);
static FMatsptr<T> rotateyrotDotrotDDot(T angle, T angleDot, T angleDDot);
static FMatsptr<T> rotatezrotDotrotDDot(T angle, T angleDot, T angleDDot);
static FMatsptr<T> identitysptr(size_t n);
static FMatsptr<T> tildeMatrix(FColDsptr col);
void identity();
FColsptr<T> column(size_t j);
FColsptr<T> timesFullColumn(FColsptr<T> fullCol);
FColsptr<T> timesFullColumn(FullColumn<T>* fullCol);
FMatsptr<T> timesFullMatrix(FMatsptr<T> fullMat);
FMatsptr<T> timesTransposeFullMatrix(FMatsptr<T> fullMat);
FMatsptr<T> times(T a);
FMatsptr<T> transposeTimesFullMatrix(FMatsptr<T> fullMat);
FMatsptr<T> plusFullMatrix(FMatsptr<T> fullMat);
FMatsptr<T> minusFullMatrix(FMatsptr<T> fullMat);
FMatsptr<T> transpose();
FMatsptr<T> negated();
void symLowerWithUpper();
void atiput(size_t i, FRowsptr<T> fullRow);
void atijput(size_t i, size_t j, T value);
void atijputFullColumn(size_t i, size_t j, FColsptr<T> fullCol);
void atijplusFullRow(size_t i, size_t j, FRowsptr<T> fullRow);
void atijplusNumber(size_t i, size_t j, T value);
void atijminusNumber(size_t i, size_t j, T value);
double sumOfSquares() override;
void zeroSelf() override;
FMatsptr<T> copy();
FullMatrix<T> operator+(const FullMatrix<T> fullMat);
FColsptr<T> transposeTimesFullColumn(const FColsptr<T> fullCol);
void magnifySelf(T factor);
std::shared_ptr<EulerParameters<T>> asEulerParameters();
T trace();
double maxMagnitude() override;
FColsptr<T> bryantAngles();
std::shared_ptr<EulerAngleszxz<T>> eulerAngleszxz();
bool isDiagonal();
bool isDiagonalToWithin(double ratio);
bool equaltol(FMatsptr<T> mat, double ratio);
std::shared_ptr<DiagonalMatrix<T>> asDiagonalMatrix();
void conditionSelfWithTol(double tol);
std::ostream& printOn(std::ostream& s) const override;
};
template<typename T>
inline FMatsptr<T> FullMatrix<T>::rotatex(T the)
{
auto sthe = std::sin(the);
auto cthe = std::cos(the);
auto rotMat = std::make_shared<FullMatrix<T>>(3, 3);
auto row0 = rotMat->at(0);
row0->atiput(0, 1.0);
row0->atiput(1, 0.0);
row0->atiput(2, 0.0);
auto row1 = rotMat->at(1);
row1->atiput(0, 0.0);
row1->atiput(1, cthe);
row1->atiput(2, -sthe);
auto row2 = rotMat->at(2);
row2->atiput(0, 0.0);
row2->atiput(1, sthe);
row2->atiput(2, cthe);
return rotMat;
}
template<typename T>
inline FMatsptr<T> FullMatrix<T>::rotatey(T the)
{
auto sthe = std::sin(the);
auto cthe = std::cos(the);
auto rotMat = std::make_shared<FullMatrix<T>>(3, 3);
auto row0 = rotMat->at(0);
row0->atiput(0, cthe);
row0->atiput(1, 0.0);
row0->atiput(2, sthe);
auto row1 = rotMat->at(1);
row1->atiput(0, 0.0);
row1->atiput(1, 1.0);
row1->atiput(2, 0.0);
auto row2 = rotMat->at(2);
row2->atiput(0, -sthe);
row2->atiput(1, 0.0);
row2->atiput(2, cthe);
return rotMat;
}
template<typename T>
inline FMatsptr<T> FullMatrix<T>::rotatez(T the)
{
auto sthe = std::sin(the);
auto cthe = std::cos(the);
auto rotMat = std::make_shared<FullMatrix<T>>(3, 3);
auto row0 = rotMat->at(0);
row0->atiput(0, cthe);
row0->atiput(1, -sthe);
row0->atiput(2, 0.0);
auto row1 = rotMat->at(1);
row1->atiput(0, sthe);
row1->atiput(1, cthe);
row1->atiput(2, 0.0);
auto row2 = rotMat->at(2);
row2->atiput(0, 0.0);
row2->atiput(1, 0.0);
row2->atiput(2, 1.0);
return rotMat;
}
template<typename T>
inline FMatsptr<T> FullMatrix<T>::rotatexrotDot(T the, T thedot)
{
auto sthe = std::sin(the);
auto cthe = std::cos(the);
auto sthedot = cthe * thedot;
auto cthedot = -sthe * thedot;
auto rotMat = std::make_shared<FullMatrix<T>>(3, 3);
auto row0 = rotMat->at(0);
row0->atiput(0, 0.0);
row0->atiput(1, 0.0);
row0->atiput(2, 0.0);
auto row1 = rotMat->at(1);
row1->atiput(0, 0.0);
row1->atiput(1, cthedot);
row1->atiput(2, -sthedot);
auto row2 = rotMat->at(2);
row2->atiput(0, 0.0);
row2->atiput(1, sthedot);
row2->atiput(2, cthedot);
return rotMat;
}
template<typename T>
inline FMatsptr<T> FullMatrix<T>::rotateyrotDot(T the, T thedot)
{
auto sthe = std::sin(the);
auto cthe = std::cos(the);
auto sthedot = cthe * thedot;
auto cthedot = -sthe * thedot;
auto rotMat = std::make_shared<FullMatrix<T>>(3, 3);
auto row0 = rotMat->at(0);
row0->atiput(0, cthedot);
row0->atiput(1, 0.0);
row0->atiput(2, sthedot);
auto row1 = rotMat->at(1);
row1->atiput(0, 0.0);
row1->atiput(1, 0.0);
row1->atiput(2, 0.0);
auto row2 = rotMat->at(2);
row2->atiput(0, -sthedot);
row2->atiput(1, 0.0);
row2->atiput(2, cthedot);
return rotMat;
}
template<typename T>
inline FMatsptr<T> FullMatrix<T>::rotatezrotDot(T the, T thedot)
{
auto sthe = std::sin(the);
auto cthe = std::cos(the);
auto sthedot = cthe * thedot;
auto cthedot = -sthe * thedot;
auto rotMat = std::make_shared<FullMatrix<T>>(3, 3);
auto row0 = rotMat->at(0);
row0->atiput(0, cthedot);
row0->atiput(1, -sthedot);
row0->atiput(2, 0.0);
auto row1 = rotMat->at(1);
row1->atiput(0, sthedot);
row1->atiput(1, cthedot);
row1->atiput(2, 0.0);
auto row2 = rotMat->at(2);
row2->atiput(0, 0.0);
row2->atiput(1, 0.0);
row2->atiput(2, 0.0);
return rotMat;
}
template<typename T>
inline FMatsptr<T> FullMatrix<T>::rotatexrotDotrotDDot(T the, T thedot, T theddot)
{
auto sthe = std::sin(the);
auto cthe = std::cos(the);
auto sthedot = cthe * thedot;
auto cthedot = -sthe * thedot;
auto stheddot = cthedot * thedot + (cthe * theddot);
auto ctheddot = -(sthedot * thedot) - (sthe * theddot);
auto rotMat = std::make_shared<FullMatrix<T>>(3, 3);
auto row0 = rotMat->at(0);
row0->atiput(0, 0.0);
row0->atiput(1, 0.0);
row0->atiput(2, 0.0);
auto row1 = rotMat->at(1);
row1->atiput(0, 0.0);
row1->atiput(1, ctheddot);
row1->atiput(2, -stheddot);
auto row2 = rotMat->at(2);
row2->atiput(0, 0.0);
row2->atiput(1, stheddot);
row2->atiput(2, ctheddot);
return rotMat;
}
template<typename T>
inline FMatsptr<T> FullMatrix<T>::rotateyrotDotrotDDot(T the, T thedot, T theddot)
{
auto sthe = std::sin(the);
auto cthe = std::cos(the);
auto sthedot = cthe * thedot;
auto cthedot = -sthe * thedot;
auto stheddot = cthedot * thedot + (cthe * theddot);
auto ctheddot = -(sthedot * thedot) - (sthe * theddot);
auto rotMat = std::make_shared<FullMatrix<T>>(3, 3);
auto row0 = rotMat->at(0);
row0->atiput(0, ctheddot);
row0->atiput(1, 0.0);
row0->atiput(2, stheddot);
auto row1 = rotMat->at(1);
row1->atiput(0, 0.0);
row1->atiput(1, 0.0);
row1->atiput(2, 0.0);
auto row2 = rotMat->at(2);
row2->atiput(0, -stheddot);
row2->atiput(1, 0.0);
row2->atiput(2, ctheddot);
return rotMat;
}
template<typename T>
inline FMatsptr<T> FullMatrix<T>::rotatezrotDotrotDDot(T the, T thedot, T theddot)
{
auto sthe = std::sin(the);
auto cthe = std::cos(the);
auto sthedot = cthe * thedot;
auto cthedot = -sthe * thedot;
auto stheddot = cthedot * thedot + (cthe * theddot);
auto ctheddot = -(sthedot * thedot) - (sthe * theddot);
auto rotMat = std::make_shared<FullMatrix<T>>(3, 3);
auto row0 = rotMat->at(0);
row0->atiput(0, ctheddot);
row0->atiput(1, -stheddot);
row0->atiput(2, 0.0);
auto row1 = rotMat->at(1);
row1->atiput(0, stheddot);
row1->atiput(1, ctheddot);
row1->atiput(2, 0.0);
auto row2 = rotMat->at(2);
row2->atiput(0, 0.0);
row2->atiput(1, 0.0);
row2->atiput(2, 0.0);
return rotMat;
}
template<typename T>
inline FMatsptr<T> FullMatrix<T>::identitysptr(size_t n)
{
auto mat = std::make_shared<FullMatrix<T>>(n, n);
mat->identity();
return mat;
}
template<typename T>
inline FMatsptr<T> FullMatrix<T>::tildeMatrix(FColDsptr col)
{
//"tildeMatrix is skew symmetric matrix related to angular velocity and cross product."
if (col->size() != 3) throw std::runtime_error("Column is not of dimension 3");
auto tilde = std::make_shared<FullMatrix<double>>(3, 3);
auto c0 = col->at(0);
auto c1 = col->at(1);
auto c2 = col->at(2);
tilde->atijput(0, 0, 0.0);
tilde->atijput(1, 1, 0.0);
tilde->atijput(2, 2, 0.0);
tilde->atijput(1, 2, -c0);
tilde->atijput(0, 2, c1);
tilde->atijput(0, 1, -c2);
tilde->atijput(1, 0, c2);
tilde->atijput(2, 0, -c1);
tilde->atijput(2, 1, c0);
return tilde;
}
template<>
inline void FullMatrix<double>::zeroSelf()
{
for (size_t i = 0; i < this->size(); i++) {
this->at(i)->zeroSelf();
}
}
template<>
inline void FullMatrix<double>::identity() {
this->zeroSelf();
for (size_t i = 0; i < this->size(); i++) {
this->at(i)->at(i) = 1.0;
}
}
template<typename T>
inline FColsptr<T> FullMatrix<T>::column(size_t j) {
auto n = this->size();
auto answer = std::make_shared<FullColumn<T>>(n);
for (size_t i = 0; i < n; i++) {
answer->at(i) = this->at(i)->at(j);
}
return answer;
}
template<typename T>
inline FMatsptr<T> FullMatrix<T>::timesFullMatrix(FMatsptr<T> fullMat)
{
size_t m = this->nrow();
auto answer = std::make_shared<FullMatrix<T>>(m);
for (size_t i = 0; i < m; i++) {
answer->at(i) = this->at(i)->timesFullMatrix(fullMat);
}
return answer;
}
template<typename T>
inline FMatsptr<T> FullMatrix<T>::timesTransposeFullMatrix(FMatsptr<T> fullMat)
{
size_t nrow = this->nrow();
auto answer = std::make_shared<FullMatrix<T>>(nrow);
for (size_t i = 0; i < nrow; i++) {
answer->at(i) = this->at(i)->timesTransposeFullMatrix(fullMat);
}
return answer;
}
template<>
inline FMatDsptr FullMatrix<double>::times(double a)
{
size_t m = this->nrow();
auto answer = std::make_shared<FullMatrix<double>>(m);
for (size_t i = 0; i < m; i++) {
answer->at(i) = this->at(i)->times(a);
}
return answer;
}
template<typename T>
inline FMatsptr<T> FullMatrix<T>::times(T)
{
assert(false);
}
template<typename T>
inline FMatsptr<T> FullMatrix<T>::transposeTimesFullMatrix(FMatsptr<T> fullMat)
{
return this->transpose()->timesFullMatrix(fullMat);
}
template<typename T>
inline FMatsptr<T> FullMatrix<T>::plusFullMatrix(FMatsptr<T> fullMat)
{
auto n = this->size();
auto answer = std::make_shared<FullMatrix<T>>(n);
for (size_t i = 0; i < n; i++) {
answer->at(i) = this->at(i)->plusFullRow(fullMat->at(i));
}
return answer;
}
template<typename T>
inline FMatsptr<T> FullMatrix<T>::minusFullMatrix(FMatsptr<T> fullMat)
{
auto n = this->size();
auto answer = std::make_shared<FullMatrix<T>>(n);
for (size_t i = 0; i < n; i++) {
answer->at(i) = this->at(i)->minusFullRow(fullMat->at(i));
}
return answer;
}
template<typename T>
inline FMatsptr<T> FullMatrix<T>::transpose()
{
size_t nrow = this->nrow();
auto ncol = this->ncol();
auto answer = std::make_shared<FullMatrix<T>>(ncol, nrow);
for (size_t i = 0; i < nrow; i++) {
auto& row = this->at(i);
for (size_t j = 0; j < ncol; j++) {
answer->at(j)->at(i) = row->at(j);
}
}
return answer;
}
template<typename T>
inline FMatsptr<T> FullMatrix<T>::negated()
{
return this->times(-1.0);
}
template<typename T>
inline void FullMatrix<T>::symLowerWithUpper()
{
auto n = this->size();
for (size_t i = 0; i < n; i++) {
for (size_t j = i + 1; j < n; j++) {
this->at(j)->at(i) = this->at(i)->at(j);
}
}
}
template<typename T>
inline void FullMatrix<T>::atiput(size_t i, FRowsptr<T> fullRow)
{
this->at(i) = fullRow;
}
template<typename T>
inline void FullMatrix<T>::atijput(size_t i, size_t j, T value)
{
this->at(i)->atiput(j, value);
}
template<typename T>
inline void FullMatrix<T>::atijputFullColumn(size_t i1, size_t j1, FColsptr<T> fullCol)
{
for (size_t ii = 0; ii < fullCol->size(); ii++)
{
this->at(i1 + ii)->at(j1) = fullCol->at(ii);
}
}
template<typename T>
inline void FullMatrix<T>::atijplusFullRow(size_t i, size_t j, FRowsptr<T> fullRow)
{
this->at(i)->atiplusFullRow(j, fullRow);
}
template<typename T>
inline void FullMatrix<T>::atijplusNumber(size_t i, size_t j, T value)
{
auto rowi = this->at(i);
rowi->at(j) += value;
}
template<typename T>
inline void FullMatrix<T>::atijminusNumber(size_t i, size_t j, T value)
{
auto rowi = this->at(i);
rowi->at(j) -= value;
}
template<>
inline double FullMatrix<double>::sumOfSquares()
{
double sum = 0.0;
for (size_t 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<typename T>
inline void FullMatrix<T>::zeroSelf()
{
assert(false);
}
template<typename T>
inline FMatsptr<T> FullMatrix<T>::copy()
{
auto m = this->size();
auto answer = std::make_shared<FullMatrix<T>>(m);
for (size_t 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)
{
auto n = this->size();
auto answer = FullMatrix<T>(n);
for (size_t i = 0; i < n; i++) {
answer.at(i) = this->at(i)->plusFullRow(fullMat.at(i));
}
return answer;
}
template<typename T>
inline FColsptr<T> FullMatrix<T>::transposeTimesFullColumn(FColsptr<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 (size_t 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 (size_t 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 (size_t 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;
size_t maxE = SIZE_MAX;
for (size_t 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 (size_t i = 0; i < this->size(); i++)
{
trace += this->at(i)->at(i);
}
return trace;
}
template<typename T>
inline double FullMatrix<T>::maxMagnitude()
{
double max = 0.0;
for (size_t i = 0; i < this->size(); i++)
{
double element = this->at(i)->maxMagnitude();
if (max < element) max = element;
}
return max;
}
template<typename T>
inline FColsptr<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<EulerAngleszxz<T>> FullMatrix<T>::eulerAngleszxz()
{
auto answer = std::make_shared<EulerAngleszxz<T>>();
T cthe1x, the0z, the1x, the2z, cthe2z, sthe2z;
cthe1x = this->at(2)->at(2);
if (Numeric::equaltol(std::abs(cthe1x), 1.0, 1.0e-6)) {
the0z = std::atan2(this->at(1)->at(0), this->at(0)->at(0));
if (cthe1x > 0.0) {
the1x = 0.0;
the2z = 0.0;
}
else {
the1x = M_PI;
the2z = 0.0;
}
}
else {
the2z = std::atan2(this->at(2)->at(0), this->at(2)->at(1));
cthe2z = std::cos(the2z);
sthe2z = std::sin(the2z);
if (std::abs(cthe2z) > std::abs(sthe2z)) {
the1x = std::atan2(this->at(2)->at(1), cthe2z * this->at(2)->at(2));
}
else {
the1x = std::atan2(this->at(2)->at(0), sthe2z * this->at(2)->at(2));
}
the0z = std::atan2(this->at(0)->at(2), this->at(1)->at(2));
[[maybe_unused]] auto aaaa = std::atan2(this->at(0)->at(2), -this->at(1)->at(2)); //Check missing minus is needed above. Smalltalk has missing minus too.
assert(Numeric::equaltol(the0z, aaaa, 1.0e-9));
}
answer->atiput(0, the0z);
answer->atiput(1, the1x);
answer->atiput(2, the2z);
return answer;
}
template<typename T>
inline bool FullMatrix<T>::isDiagonal()
{
auto m = this->nrow();
auto n = this->ncol();
if (m != n) return false;
for (size_t i = 0; i < m; i++)
{
auto rowi = this->at(i);
for (size_t j = 0; j < n; j++)
{
if (i != j && rowi->at(j) != 0) return false;
}
}
return true;
}
template<typename T>
inline bool FullMatrix<T>::isDiagonalToWithin(double ratio)
{
double maxMag = this->maxMagnitude();
auto tol = ratio * maxMag;
auto nrow = this->nrow();
if (nrow == this->ncol()) {
for (size_t i = 0; i < 3; i++)
{
for (size_t j = i + 1; j < 3; j++)
{
if (std::abs(this->at(i)->at(j)) > tol) return false;
if (std::abs(this->at(j)->at(i)) > tol) return false;
}
}
return true;
}
else {
return false;
}
}
template<typename T>
inline bool FullMatrix<T>::equaltol(FMatsptr<T> mat2, double tol)
{
if (this->size() != mat2->size()) return false;
for (size_t i = 0; i < this->size(); i++)
{
auto& rowi = this->at(i);
auto& rowi2 = mat2->at(i);
if (rowi->size() != rowi2->size()) return false;
for (size_t j = 0; j < rowi->size(); j++)
{
if (!Array<double>::equaltol((double)rowi->at(j), (double)rowi2->at(j), tol)) return false;
}
}
return true;
}
template<typename T>
inline std::shared_ptr<DiagonalMatrix<T>> FullMatrix<T>::asDiagonalMatrix()
{
size_t nrow = this->nrow();
auto diagMat = std::make_shared<DiagonalMatrix<T>>(nrow);
for (size_t i = 0; i < nrow; i++)
{
diagMat->atiput(i, this->at(i)->at(i));
}
return diagMat;
}
template<typename T>
inline void FullMatrix<T>::conditionSelfWithTol(double tol)
{
for (auto row : *this) {
row->conditionSelfWithTol(tol);
}
}
template<typename T>
inline FColsptr<T> FullMatrix<T>::timesFullColumn(FColsptr<T> fullCol)
{
return this->timesFullColumn(fullCol.get());
}
template<typename T>
inline FColsptr<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 (size_t i = 0; i < nrow; i++)
{
answer->at(i) = this->at(i)->timesFullColumn(fullCol);
}
return answer;
}
}