@Override
public Operand executeOperation(Stack<Expression> operands) throws ExpressionException {
if (operands.size() < this.getCurrentOperands())
throw new ExpressionException("Wrong number of given parameters");
Apfloat value1 = Operand.extractNumber(operands.pop());
return new Operand(new Apfloat(value1.intValue()));
}
public Apfloat find(Apfloat a, Apfloat b, Apfloat accuracy) {
accuracy = accuracy.divide(new Apfloat(100));
Apfloat l2 = new Apfloat(2, Apfloat.INFINITE);
Apfloat c = new Apfloat(Apfloat.INFINITE);
int x = 0;
while (b.subtract(a).compareTo(accuracy) >= 0) {
x++;
c = a.add(b).divide(l2);
// nie uwzględniamy zera!
// System.out.print(Function1.f(a));
// System.out.println(Function1.f(c));
if (Function1.f(a).signum() != Function1.f(c).signum()) {
b = c;
} else {
a = c;
}
}
System.out.println("Ilość kroków w metodzie połowienia wyniosła " + x);
return c;
}
private Apfloat prescaleArg(Apfloat x) {
return x.divide(new Apfloat("2", precision)).multiply(ApfloatMath.pi(precision));
}