Concorrência, corotinas, máquinas de eventos, ... matemática viva

#include "lfsaappl.h"
class FSumABC :
    public LFsaAppl
{
public:
    LFsaAppl* Create(CVarFSA *pCVF) { Q_UNUSED(pCVF)return new FSumABC(nameFsa); }
    bool FCreationOfLinksForVariables();
    FSumABC(string strNam);
    CVar *pVarA;		//
    CVar *pVarB;		//
    CVar *pVarC;		//
    CVar *pVarStrNameA;        //
    CVar *pVarStrNameB;        //
    CVar *pVarStrNameC;        //
protected:
    void y1();
};

#include "stdafx.h"
#include "FSumABC.h"

static LArc TBL_SumABC[] = {
    LArc("s1",	"s1","--", "y1"),
    LArc()
};

FSumABC::FSumABC(string strNam):
    LFsaAppl(TBL_SumABC, strNam, nullptr, nullptr)
{ }

bool FSumABC::FCreationOfLinksForVariables() {
    pVarA = CreateLocVar("a", CLocVar::vtBool, "variable a");
    pVarB = CreateLocVar("b", CLocVar::vtBool, "variable c");
    pVarC = CreateLocVar("c", CLocVar::vtBool, "variable c");
    pVarStrNameA = CreateLocVar("strNameA", CLocVar::vtString, "");
    string str = pVarStrNameA->strGetDataSrc();
    if (str != "") { pVarA = pTAppCore->GetAddressVar(pVarStrNameA->strGetDataSrc().c_str(), this); }
    pVarStrNameB = CreateLocVar("strNameB", CLocVar::vtString, "");
    str = pVarStrNameB->strGetDataSrc();
    if (str != "") { pVarB = pTAppCore->GetAddressVar(pVarStrNameB->strGetDataSrc().c_str(), this); }
    pVarStrNameC = CreateLocVar("strNameC", CLocVar::vtString, "");
    str = pVarStrNameC->strGetDataSrc();
    if (str != "") { pVarC = pTAppCore->GetAddressVar(pVarStrNameC->strGetDataSrc().c_str(), this); }
    return true;
}

void FSumABC::y1() { 
    pVarC->SetDataSrc(this, pVarA->GetDataSrc() + pVarB->GetDataSrc()); 
}

import kotlinx.coroutines.*

suspend fun main() =
    // Structured concurrency: if any child coroutine fails,
    // everything else will be cancelled
    coroutineScope {
        var a = 1
        var b = 1
        var c = 0;
        // Use default thread pool 
        withContext(Dispatchers.Default) {
            for (i in 0..4) {
               var res = listOf(async { a+b }, async{ b+c }).map { it.await() }
			c = res[0]
			a = res[1]
               println("$a, $b, $c")
            }
        }
    }

#include "lfsaappl.h"
class QStateMachine;
class QState;

class FSumABC :
    public QObject,
    public LFsaAppl
{
    Q_OBJECT
...
protected:
    int x1();
    void y1(); void y2(); void y3(); void y12();
signals:
    void GoState();
private slots:
    void s0Exited();
private:
    QStateMachine * machine;
    QState * s0;
};

#include "stdafx.h"
#include "FSumABC.h"
#include <QStateMachine>
#include <QState>

static LArc TBL_SumABC[] = {
    LArc("st",	"st","^x1",	"y12"),
    LArc("st",	"s1","x1",	"y3"),
    LArc("s1",	"s1","--",	"y2"),
    LArc()
};

FSumABC::FSumABC(string strNam):
    QObject(),
    LFsaAppl(TBL_SumABC, strNam, nullptr, nullptr)
{ }
...
int FSumABC::x1() { return pVarA&&pVarB&&pVarC; }

void FSumABC::y1() {
    pVarC->SetDataSrc(this, pVarA->GetDataSrc() + pVarB->GetDataSrc());
}
//
void FSumABC::y2() { emit GoState(); }
//
void FSumABC::y3() {
    s0 = new QState();
    QSignalTransition *ps = s0->addTransition(this, SIGNAL(GoState()), s0);
    connect (s0, SIGNAL(entered()), this, SLOT(s0Exited()));
    machine = new QStateMachine(nullptr);
    machine->addState(s0);
    machine->setInitialState(s0);
    machine->start();
}
//    
void FSumABC::y12() { FInit(); }

void FSumABC::s0Exited() { y1(); }

#include <QObject>

class QStateMachine;
class QState;

class MainWindow;
class ine : public QObject
{
    Q_OBJECT
public:
    explicit ine(MainWindow *parent = nullptr);
    bool bX1, bX2, bY;
signals:
    void GoS0();
    void GoS1();
private slots:
    void s1Exited();
    void s0Exited();
private:
    QStateMachine * machine;
    QState * s0;
    QState * s1;
    MainWindow *pMain{nullptr};
friend class MainWindow;
};

#include "ine.h"
#include <QStateMachine>
#include <QState>
#include "mainwindow.h"
#include "ui_mainwindow.h"

ine::ine(MainWindow *parent) :
    QObject(parent)
{
    pMain = parent;
    s0 = new QState();
    s1 = new QState();

    s0->addTransition(this, SIGNAL(GoS1()), s1);
    s1->addTransition(this, SIGNAL(GoS0()), s0);

    connect (s0, SIGNAL(entered()), this, SLOT(s0Exited()));
    connect (s1, SIGNAL(entered()), this, SLOT(s1Exited()));


    machine = new QStateMachine(nullptr);
    machine->addState(s0);
    machine->addState(s1);
    machine->setInitialState(s1);
    machine->start();
}

void ine::s1Exited() {
    bY = !(bX1&&bX2);
    pMain->ui->checkBoxY->setChecked(bY);
}

void ine::s0Exited() {
    bY = !(bX1&&bX2);
    pMain->ui->checkBoxY->setChecked(bY);
}

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "ine.h"

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    pine = new ine(this);
    connect(this, SIGNAL(GoState0()), pine, SIGNAL(GoS0()));
    connect(this, SIGNAL(GoState1()), pine, SIGNAL(GoS1()));
}

MainWindow::~MainWindow()
{
    delete ui;
}


void MainWindow::on_checkBoxX1_clicked(bool checked)
{
    bX1 = checked;
    pine->bX1 = bX1;
    bY = !(bX1&&bX2);
    if (!(bX1&&bX2)) emit GoState0();
    else emit GoState1();
}

void MainWindow::on_checkBoxX2_clicked(bool checked)
{
    bX2 = checked;
    pine->bX2 = bX2;
    bY = !(bX1&&bX2);
    if (!(bX1&&bX2)) emit GoState0();
    else emit GoState1();
}