本文整理了Java中java.math.BigDecimal.isZero()方法的一些代码示例，展示了BigDecimal.isZero()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。BigDecimal.isZero()方法的具体详情如下：
包路径：java.math.BigDecimal
类名称：BigDecimal
方法名：isZero

BigDecimal.isZero介绍

暂无

代码示例

代码示例来源：origin: robovm/robovm

if ((scale == 0) || ((isZero()) && (scale < 0))) {
  return intStr;

代码示例来源：origin: robovm/robovm

int diffScale = this.scale - augend.scale;
if (this.isZero()) {
  if (diffScale <= 0) {
    return augend;
  if (augend.isZero()) {
    return this;
} else if (augend.isZero()) {
  if (diffScale >= 0) {
    return this;

代码示例来源：origin: robovm/robovm

/**
 * Returns a new {@code BigDecimal} whose value is {@code this<sup>n</sup>}. The
 * scale of the result is {@code n * this.scale()}.
 *
 * <p>{@code x.pow(0)} returns {@code 1}, even if {@code x == 0}.
 *
 * <p>Implementation Note: The implementation is based on the ANSI standard
 * X3.274-1996 algorithm.
 *
 * @throws ArithmeticException
 *             if {@code n < 0} or {@code n > 999999999}.
 */
public BigDecimal pow(int n) {
  if (n == 0) {
    return ONE;
  }
  if ((n < 0) || (n > 999999999)) {
    throw new ArithmeticException("Invalid operation");
  }
  long newScale = scale * (long)n;
  // Let be: this = [u,s]   so:  this^n = [u^n, s*n]
  return isZero() ? zeroScaledBy(newScale)
      : new BigDecimal(getUnscaledValue().pow(n), safeLongToInt(newScale));
}

代码示例来源：origin: robovm/robovm

/**
 * Returns a new {@code BigDecimal} whose value is {@code this *
 * multiplicand}. The scale of the result is the sum of the scales of the
 * two arguments.
 *
 * @param multiplicand
 *            value to be multiplied with {@code this}.
 * @return {@code this * multiplicand}.
 * @throws NullPointerException
 *             if {@code multiplicand == null}.
 */
public BigDecimal multiply(BigDecimal multiplicand) {
  long newScale = (long)this.scale + multiplicand.scale;
  if ((this.isZero()) || (multiplicand.isZero())) {
    return zeroScaledBy(newScale);
  }
  /* Let be: this = [u1,s1] and multiplicand = [u2,s2] so:
   * this x multiplicand = [ s1 * s2 , s1 + s2 ] */
  if(this.bitLength + multiplicand.bitLength < 64) {
    return valueOf(this.smallValue*multiplicand.smallValue, safeLongToInt(newScale));
  }
  return new BigDecimal(this.getUnscaledValue().multiply(
      multiplicand.getUnscaledValue()), safeLongToInt(newScale));
}

代码示例来源：origin: robovm/robovm

int diffScale = this.scale - subtrahend.scale;
if (this.isZero()) {
  if (diffScale <= 0) {
    return subtrahend.negate();
  if (subtrahend.isZero()) {
    return this;
} else if (subtrahend.isZero()) {
  if (diffScale >= 0) {
    return this;

代码示例来源：origin: robovm/robovm

/**
 * Returns this {@code BigDecimal} as a big integer instance. A fractional
 * part is discarded.
 *
 * @return this {@code BigDecimal} as a big integer instance.
 */
public BigInteger toBigInteger() {
  if ((scale == 0) || (isZero())) {
    return getUnscaledValue();
  } else if (scale < 0) {
    return getUnscaledValue().multiply(Multiplication.powerOf10(-(long)scale));
  } else {// (scale > 0)
    return getUnscaledValue().divide(Multiplication.powerOf10(scale));
  }
}

代码示例来源：origin: robovm/robovm

if ((n == 0) || ((isZero()) && (n > 0))) {
  return pow(n);

代码示例来源：origin: robovm/robovm

private BigDecimal movePoint(long newScale) {
  if (isZero()) {
    return zeroScaledBy(Math.max(newScale, 0));
  }
  /*
   * When: 'n'== Integer.MIN_VALUE isn't possible to call to
   * movePointRight(-n) since -Integer.MIN_VALUE == Integer.MIN_VALUE
   */
  if(newScale >= 0) {
    if(bitLength < 64) {
      return valueOf(smallValue, safeLongToInt(newScale));
    }
    return new BigDecimal(getUnscaledValue(), safeLongToInt(newScale));
  }
  if(-newScale < MathUtils.LONG_POWERS_OF_TEN.length &&
      bitLength + LONG_POWERS_OF_TEN_BIT_LENGTH[(int)-newScale] < 64 ) {
    return valueOf(smallValue*MathUtils.LONG_POWERS_OF_TEN[(int)-newScale],0);
  }
  return new BigDecimal(Multiplication.multiplyByTenPow(
      getUnscaledValue(), safeLongToInt(-newScale)), 0);
}

代码示例来源：origin: robovm/robovm

if ((subtrahend.isZero()) || (this.isZero())
    || (mc.getPrecision() == 0)) {
  return subtract(subtrahend).round(mc);

代码示例来源：origin: robovm/robovm

int lastPow = FIVE_POW.length - 1;
if (divisor.isZero()) {
  throw new ArithmeticException("Division by zero");

代码示例来源：origin: robovm/robovm

long newScale = scale;
if (isZero()) {

代码示例来源：origin: robovm/robovm

int largerSignum;
if ((augend.isZero()) || (this.isZero())
    || (mc.getPrecision() == 0)) {
  return add(augend).round(mc);

代码示例来源：origin: robovm/robovm

BigInteger quotAndRem[] = new BigInteger[2];
if ((mcPrecision == 0) || (this.isZero()) || (divisor.isZero())) {
  return this.divideToIntegralValue(divisor);

代码示例来源：origin: robovm/robovm

/**
 * Returns this {@code BigDecimal} as a big integer instance if it has no
 * fractional part. If this {@code BigDecimal} has a fractional part, i.e.
 * if rounding would be necessary, an {@code ArithmeticException} is thrown.
 *
 * @return this {@code BigDecimal} as a big integer value.
 * @throws ArithmeticException
 *             if rounding is necessary.
 */
public BigInteger toBigIntegerExact() {
  if ((scale == 0) || (isZero())) {
    return getUnscaledValue();
  } else if (scale < 0) {
    return getUnscaledValue().multiply(Multiplication.powerOf10(-(long)scale));
  } else {// (scale > 0)
    BigInteger[] integerAndFraction;
    // An optimization before do a heavy division
    if ((scale > approxPrecision()) || (scale > getUnscaledValue().getLowestSetBit())) {
      throw new ArithmeticException("Rounding necessary");
    }
    integerAndFraction = getUnscaledValue().divideAndRemainder(Multiplication.powerOf10(scale));
    if (integerAndFraction[1].signum() != 0) {
      // It exists a non-zero fractional part
      throw new ArithmeticException("Rounding necessary");
    }
    return integerAndFraction[0];
  }
}

代码示例来源：origin: robovm/robovm

int lastPow = TEN_POW.length - 1;
if (divisor.isZero()) {
  throw new ArithmeticException("Division by zero");
|| (this.isZero())) {

代码示例来源：origin: robovm/robovm

if ((mc.getPrecision() == 0) || (this.isZero())
|| (divisor.isZero())) {
  return this.divide(divisor);

代码示例来源：origin: robovm/robovm

throw new NullPointerException("roundingMode == null");
if (divisor.isZero()) {
  throw new ArithmeticException("Division by zero");

代码示例来源：origin: MobiVM/robovm

/**
 * Returns this {@code BigDecimal} as a big integer instance. A fractional
 * part is discarded.
 *
 * @return this {@code BigDecimal} as a big integer instance.
 */
public BigInteger toBigInteger() {
  if ((scale == 0) || (isZero())) {
    return getUnscaledValue();
  } else if (scale < 0) {
    return getUnscaledValue().multiply(Multiplication.powerOf10(-(long)scale));
  } else {// (scale > 0)
    return getUnscaledValue().divide(Multiplication.powerOf10(scale));
  }
}

代码示例来源：origin: com.gluonhq/robovm-rt

/**
 * Returns this {@code BigDecimal} as a big integer instance. A fractional
 * part is discarded.
 *
 * @return this {@code BigDecimal} as a big integer instance.
 */
public BigInteger toBigInteger() {
  if ((scale == 0) || (isZero())) {
    return getUnscaledValue();
  } else if (scale < 0) {
    return getUnscaledValue().multiply(Multiplication.powerOf10(-(long)scale));
  } else {// (scale > 0)
    return getUnscaledValue().divide(Multiplication.powerOf10(scale));
  }
}

代码示例来源：origin: ibinti/bugvm

/**
 * Returns this {@code BigDecimal} as a big integer instance. A fractional
 * part is discarded.
 *
 * @return this {@code BigDecimal} as a big integer instance.
 */
public BigInteger toBigInteger() {
  if ((scale == 0) || (isZero())) {
    return getUnscaledValue();
  } else if (scale < 0) {
    return getUnscaledValue().multiply(Multiplication.powerOf10(-(long)scale));
  } else {// (scale > 0)
    return getUnscaledValue().divide(Multiplication.powerOf10(scale));
  }
}