Examples with MathContext java.math.MathContext used on opensource projects

Example 51 with MathContext

use of java.math.MathContext in project robovm by robovm.

the class BigDecimalArithmeticTest method testDivideBigDecimalScaleMathContextUP.

/**
     * divide(BigDecimal, MathContext)
     */
public void testDivideBigDecimalScaleMathContextUP() {
    String a = "3736186567876876578956958765675671119238118911893939591735";
    int aScale = 15;
    String b = "748766876876723342238476237823787879183470";
    int bScale = 10;
    int precision = 21;
    RoundingMode rm = RoundingMode.UP;
    MathContext mc = new MathContext(precision, rm);
    String c = "49897861180.2562512996";
    int resScale = 10;
    BigDecimal aNumber = new BigDecimal(new BigInteger(a), aScale);
    BigDecimal bNumber = new BigDecimal(new BigInteger(b), bScale);
    BigDecimal result = aNumber.divide(bNumber, mc);
    assertEquals("incorrect value", c, result.toString());
    assertEquals("incorrect scale", resScale, result.scale());
}

Example 52 with MathContext

use of java.math.MathContext in project robovm by robovm.

the class BigDecimalArithmeticTest method testRemainderMathContextHALF_UP.

/**
     * remainder(BigDecimal, MathContext)
     */
public void testRemainderMathContextHALF_UP() {
    String a = "3736186567876876578956958765675671119238118911893939591735";
    int aScale = 45;
    String b = "134432345432345748766876876723342238476237823787879183470";
    int bScale = 10;
    int precision = 15;
    RoundingMode rm = RoundingMode.HALF_UP;
    MathContext mc = new MathContext(precision, rm);
    String res = "3736186567876.876578956958765675671119238118911893939591735";
    int resScale = 45;
    BigDecimal aNumber = new BigDecimal(new BigInteger(a), aScale);
    BigDecimal bNumber = new BigDecimal(new BigInteger(b), bScale);
    BigDecimal result = aNumber.remainder(bNumber, mc);
    assertEquals("incorrect quotient value", res, result.toString());
    assertEquals("incorrect quotient scale", resScale, result.scale());
}

Example 53 with MathContext

use of java.math.MathContext in project robovm by robovm.

the class BigDecimalArithmeticTest method testPowMathContext.

/**
     * pow(int, MathContext)
     */
public void testPowMathContext() {
    String a = "123121247898748298842980";
    int aScale = 10;
    int exp = 10;
    String c = "8.0044E+130";
    int cScale = -126;
    BigDecimal aNumber = new BigDecimal(new BigInteger(a), aScale);
    MathContext mc = new MathContext(5, RoundingMode.HALF_UP);
    BigDecimal result = aNumber.pow(exp, mc);
    assertEquals("incorrect value", c, result.toString());
    assertEquals("incorrect scale", cScale, result.scale());
}

Example 54 with MathContext

use of java.math.MathContext in project robovm by robovm.

the class BigDecimalArithmeticTest method testDivideBigDecimalScaleMathContextHALF_DOWN.

/**
     * divide(BigDecimal, MathContext)
     */
public void testDivideBigDecimalScaleMathContextHALF_DOWN() {
    String a = "3736186567876876578956958765675671119238118911893939591735";
    int aScale = 45;
    String b = "134432345432345748766876876723342238476237823787879183470";
    int bScale = 70;
    int precision = 21;
    RoundingMode rm = RoundingMode.HALF_DOWN;
    MathContext mc = new MathContext(precision, rm);
    String c = "2.77923185514690367475E+26";
    int resScale = -6;
    BigDecimal aNumber = new BigDecimal(new BigInteger(a), aScale);
    BigDecimal bNumber = new BigDecimal(new BigInteger(b), bScale);
    BigDecimal result = aNumber.divide(bNumber, mc);
    assertEquals("incorrect value", c, result.toString());
    assertEquals("incorrect scale", resScale, result.scale());
}

Example 55 with MathContext

use of java.math.MathContext in project robovm by robovm.

the class BigDecimalCompareTest method testPlusMathContextPositive.

/**
     * plus(MathContext) for a positive BigDecimal
     */
public void testPlusMathContextPositive() {
    String a = "92948782094488478231212478987482988429808779810457634781384756794987";
    int aScale = 41;
    int precision = 37;
    RoundingMode rm = RoundingMode.FLOOR;
    MathContext mc = new MathContext(precision, rm);
    String c = "929487820944884782312124789.8748298842";
    int cScale = 10;
    BigDecimal aNumber = new BigDecimal(new BigInteger(a), aScale);
    BigDecimal res = aNumber.plus(mc);
    assertEquals("incorrect value", c, res.toString());
    assertEquals("incorrect scale", cScale, res.scale());
}