37 lines
1.1 KiB
Java
37 lines
1.1 KiB
Java
package expression.exceptions;
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import java.math.BigDecimal;
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import java.math.BigInteger;
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import java.math.MathContext;
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import expression.*;
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/**
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* @author Doschennikov Nikita (me@fymio.us)
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*/
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public class CheckedDivide extends AbstractBinaryOperation {
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public CheckedDivide(AbstractExpression l, AbstractExpression r) { super(l, r); }
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@Override protected String getOperator() { return "/"; }
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@Override protected int getPriority() { return 2; }
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@Override protected boolean isRightAssoc() { return true; }
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@Override
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protected int applyInt(int a, int b) {
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if (b == 0) throw new DivisionByZeroException();
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if (a == Integer.MIN_VALUE && b == -1) throw new OverflowException("division");
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return a / b;
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}
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@Override
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protected BigInteger applyBi(BigInteger a, BigInteger b) {
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if (b.signum() == 0) throw new DivisionByZeroException();
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return a.divide(b);
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}
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@Override
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protected BigDecimal applyBd(BigDecimal a, BigDecimal b) {
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if (b.signum() == 0) throw new DivisionByZeroException();
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return a.divide(b, MathContext.DECIMAL128);
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}
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} |