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

Example 16 with MathContext

use of java.math.MathContext in project j2objc by google.

the class BigDecimalArithmeticTest method testRoundMathContextHALF_DOWN.

/**
     * round(BigDecimal, MathContext)
     */
public void testRoundMathContextHALF_DOWN() {
    String a = "3736186567876876578956958765675671119238118911893939591735";
    int aScale = -45;
    int precision = 75;
    RoundingMode rm = RoundingMode.HALF_DOWN;
    MathContext mc = new MathContext(precision, rm);
    String res = "3.736186567876876578956958765675671119238118911893939591735E+102";
    int resScale = -45;
    BigDecimal aNumber = new BigDecimal(new BigInteger(a), aScale);
    BigDecimal result = aNumber.round(mc);
    assertEquals("incorrect quotient value", res, result.toString());
    assertEquals("incorrect quotient scale", resScale, result.scale());
}

Example 17 with MathContext

use of java.math.MathContext in project j2objc by google.

the class BigDecimalArithmeticTest method testDivideBigDecimalScaleMathContextHALF_UP.

/**
     * divide(BigDecimal, MathContext)
     */
public void testDivideBigDecimalScaleMathContextHALF_UP() {
    String a = "3736186567876876578956958765675671119238118911893939591735";
    int aScale = 45;
    String b = "134432345432345748766876876723342238476237823787879183470";
    int bScale = 70;
    int precision = 21;
    RoundingMode rm = RoundingMode.HALF_UP;
    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 18 with MathContext

use of java.math.MathContext in project j2objc by google.

the class BigDecimalArithmeticTest method testDivideToIntegralValueMathContextDOWN.

/**
     * divideToIntegralValue(BigDecimal, MathContext)
     */
public void testDivideToIntegralValueMathContextDOWN() {
    String a = "3736186567876876578956958769675785435673453453653543654354365435675671119238118911893939591735";
    int aScale = 45;
    String b = "134432345432345748766876876723342238476237823787879183470";
    int bScale = 70;
    int precision = 75;
    RoundingMode rm = RoundingMode.DOWN;
    MathContext mc = new MathContext(precision, rm);
    String c = "2.7792318551469036747477068339450205874992634417590178670822889E+62";
    int resScale = -1;
    BigDecimal aNumber = new BigDecimal(new BigInteger(a), aScale);
    BigDecimal bNumber = new BigDecimal(new BigInteger(b), bScale);
    BigDecimal result = aNumber.divideToIntegralValue(bNumber, mc);
    assertEquals("incorrect value", c, result.toString());
    assertEquals("incorrect scale", resScale, result.scale());
}

Example 19 with MathContext

use of java.math.MathContext in project j2objc by google.

the class BigDecimalArithmeticTest method testDivideToIntegralValueMathContextUP.

/**
     * divideToIntegralValue(BigDecimal, MathContext)
     */
public void testDivideToIntegralValueMathContextUP() {
    String a = "3736186567876876578956958765675671119238118911893939591735";
    int aScale = 45;
    String b = "134432345432345748766876876723342238476237823787879183470";
    int bScale = 70;
    int precision = 32;
    RoundingMode rm = RoundingMode.UP;
    MathContext mc = new MathContext(precision, rm);
    String c = "277923185514690367474770683";
    int resScale = 0;
    BigDecimal aNumber = new BigDecimal(new BigInteger(a), aScale);
    BigDecimal bNumber = new BigDecimal(new BigInteger(b), bScale);
    BigDecimal result = aNumber.divideToIntegralValue(bNumber, mc);
    assertEquals("incorrect value", c, result.toString());
    assertEquals("incorrect scale", resScale, result.scale());
}

Example 20 with MathContext

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

the class BigDecimalConstructorsTest method testConstrLongMathContext.

/**
     * new BigDecimal(long, MathContext)
     */
public void testConstrLongMathContext() {
    long a = 4576578677732546982L;
    int precision = 5;
    RoundingMode rm = RoundingMode.CEILING;
    MathContext mc = new MathContext(precision, rm);
    String res = "45766";
    int resScale = -14;
    BigDecimal result = new BigDecimal(a, mc);
    assertEquals("incorrect value", res, result.unscaledValue().toString());
    assertEquals("incorrect scale", resScale, result.scale());
}