Examples of LongRationalNumber

jmathexpr.arithmetic.rational.impl.LongRationalNumber
Rational number implementation based on two Java long value (separate value for the numerator and the denominator). @author Elemér Furka

Examples of jmathexpr.arithmetic.rational.impl.LongRationalNumber

    }
    
    @Test(dependsOnMethods = { "testVariables" })
    public void testRationalExpressions() {
        Expression evaluated;
        RationalNumber oneHalf = new LongRationalNumber(1, 2);
        RationalNumber oneThird = new LongRationalNumber(1, 3);
        Expression sum = new Addition(oneHalf, oneThird);
        
        evaluated = sum.evaluate();
        System.out.printf("%s = %s%n", sum, evaluated);
        assertEquals(evaluated, new LongRationalNumber(5, 6));
        
        Expression difference = new Subtraction(oneHalf, oneThird);
        evaluated = difference.evaluate();
        System.out.printf("%s = %s%n", difference, evaluated);
        assertEquals(evaluated, new LongRationalNumber(1, 6));
        
        RationalNumber sixEighth = new LongRationalNumber(6, 8);
        evaluated = sixEighth.evaluate();
        System.out.printf("%s = %s%n", sixEighth, evaluated);
        assertEquals(evaluated, new LongRationalNumber(3, 4));
        
        difference = new Subtraction(new LongRationalNumber(2, 3), new LongRationalNumber(1, 6));
        evaluated = difference.evaluate();
        System.out.printf("%s = %s%n", difference, evaluated);
        assertEquals(evaluated, new LongRationalNumber(1, 2));
        
        Expression product = new Multiplication(new LongRationalNumber(2, 3), new LongRationalNumber(9, 2));
        ElementOf isNatural = new ElementOf(product, N);
        evaluated = isNatural.evaluate();
        System.out.printf("%s = %s : %s%n", product.evaluate(), isNatural, evaluated);
        assertEquals(evaluated, TruthValue.True);

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Examples of jmathexpr.arithmetic.rational.impl.LongRationalNumber

            LongNaturalNumber rhs = (LongNaturalNumber) divisor;


            if (value % rhs.value == 0) {
                return new LongNaturalNumber(value / rhs.value);
            } else {
                return new LongRationalNumber(value, rhs.value);
            }
        } else {
            return Numbers.divide(this, divisor);
        }
    }

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Examples of jmathexpr.arithmetic.rational.impl.LongRationalNumber

        }
    }


    @Override
    public RationalNumber toRational() {
        return new LongRationalNumber(value, 1);
    }

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Examples of jmathexpr.arithmetic.rational.impl.LongRationalNumber

            LongIntegerNumber rhs = (LongIntegerNumber) divisor;
            
            if (value % rhs.value == 0) {
                return new LongIntegerNumber(value / rhs.value);
            } else {
                return rhs.value > 0 ? new LongRationalNumber(value, rhs.value).evaluate() :
                        new LongRationalNumber(-value, -rhs.value).evaluate();
            }
        } else {
            return Numbers.divide(this, divisor);
        }
    }

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Examples of jmathexpr.arithmetic.rational.impl.LongRationalNumber

        }
    }


    @Override
    public RationalNumber toRational() {
        return new LongRationalNumber(value, 1);
    }

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