WarpPI/src/org/warp/picalculator/Calculator.java
2016-09-02 20:32:37 +02:00

80 lines
2.4 KiB
Java

package org.warp.picalculator;
import org.nevec.rjm.NumeroAvanzato;
import org.warp.device.PIDisplay;
import org.warp.engine.Screen;
import org.warp.picalculator.screens.EquationScreen;
import org.warp.picalculator.screens.SolveEquationScreen;
public class Calculator {
public static String angleMode = "deg";
public static Screen[] sessions = new Screen[5];
public static int currentSession = 0;
public static boolean haxMode = true;
public static Termine calcolarisultato(String string) throws Errore {
System.out.println("INPUT: " + string);
Espressione espressione = new Espressione(string);
return espressione.calcola();
}
public static Funzione interpreta(String string) throws Errore {
if (string.contains("{")) {
if (!string.startsWith("{")) {
throw new Errore(Errori.SYNTAX_ERROR);
}
String[] parts = string.substring(1).split("\\{");
Sistema s = new Sistema();
for (String part : parts) {
s.addVariableToEnd(interpretaEquazione(part));
}
return s;
} else if (string.contains("=")) {
return interpretaEquazione(string);
} else {
return new Espressione(string);
}
}
public static Funzione interpretaEquazione(String string) throws Errore {
String[] parts = string.split("=");
if (parts.length == 1) {
return new Equazione(new Espressione(parts[0]), new Termine(NumeroAvanzato.ZERO));
} else if (parts.length == 2) {
return new Equazione(new Espressione(parts[0]), new Espressione(parts[1]));
} else {
throw new Errore(Errori.SYNTAX_ERROR);
}
}
public static void solve() throws Errore {
if (Calculator.currentSession == 0 && Calculator.sessions[0] instanceof EquationScreen) {
EquationScreen es = (EquationScreen) Calculator.sessions[0];
Funzione f = es.f;
if (f instanceof Equazione) {
PIDisplay.INSTANCE.setScreen(new SolveEquationScreen(es));
} else {
es.f2 = es.f.calcola();
es.f2.calcolaGrafica();
}
}
}
public static void solve(char letter) throws Errore {
if (Calculator.currentSession == 0 && Calculator.sessions[0] instanceof EquationScreen) {
EquationScreen es = (EquationScreen) Calculator.sessions[0];
Funzione f = es.f;
if (f instanceof Equazione) {
es.f2 = ((Equazione)f).calcola(letter);
es.f2.calcolaGrafica();
}
}
}
public static void simplify() {
}
}