How to use

floor

method

in

javolution.lang.MathLib

/**
 * Returns the closest <code>int</code> to the specified argument. 
 *
 * @param f the <code>float</code> value to be rounded to a <code>int</code>
 * @return the nearest <code>int</code> value.
 **/
public static int round(float f) {
  return (int) floor(f + 0.5f);
}
/**/

/**
 * Returns the closest <code>long</code> to the specified argument. 
 *
 * @param d the <code>double</code> value to be rounded to a 
 *        <code>long</code>
 * @return the nearest <code>long</code> value.
 **/
public static long round(double d) {
  return (long) floor(d + 0.5d);
}

/**
 * Returns the closest <code>long</code> to the specified argument. 
 *
 * @param d the <code>double</code> value to be rounded to a 
 *        <code>long</code>
 * @return the nearest <code>long</code> value.
 **/
public static long round(double d) {
  return (long) floor(d + 0.5d);
}
/**/

/**
 * Returns the closest <code>long</code> to the specified argument. 
 *
 * @param d the <code>double</code> value to be rounded to a 
 *        <code>long</code>
 * @return the nearest <code>long</code> value.
 **/
public static long round(double d) {
  return (long) floor(d + 0.5d);
}

/**
 * Returns the closest <code>int</code> to the specified argument. 
 *
 * @param f the <code>float</code> value to be rounded to a <code>int</code>
 * @return the nearest <code>int</code> value.
 **/
public static int round(float f) {
  return (int) floor(f + 0.5f);
}

/**
 * Returns the closest <code>int</code> to the specified argument. 
 *
 * @param f the <code>float</code> value to be rounded to a <code>int</code>
 * @return the nearest <code>int</code> value.
 **/
public static int round(float f) {
  return (int) floor(f + 0.5f);
}

/**
 * Returns the closest <code>long</code> to the specified argument. 
 *
 * @param d the <code>double</code> value to be rounded to a 
 *        <code>long</code>
 * @return the nearest <code>long</code> value.
 **/
public static long round(double d) {
  return (long) floor(d + 0.5d);
}

/**
 * Returns the closest <code>int</code> to the specified argument. 
 *
 * @param f the <code>float</code> value to be rounded to a <code>int</code>
 * @return the nearest <code>int</code> value.
 **/
public static int round(float f) {
  return (int) floor(f + 0.5f);
}

@SuppressWarnings("unchecked")
@Override
public Appendable format(Amount arg0, Appendable arg1)
    throws IOException {
  if (arg0.getUnit() instanceof Currency)
    return formatMoney(arg0, arg1);
  if (arg0.isExact()) {
    TypeFormat.format(arg0.getExactValue(), arg1);
    arg1.append(' ');
    return UnitFormat.getInstance().format(arg0.getUnit(), arg1);
  }
  double value = arg0.getEstimatedValue();
  double error = arg0.getAbsoluteError();
  int log10Value = (int) MathLib.floor(MathLib.log10(MathLib
      .abs(value)));
  int log10Error = (int) MathLib.floor(MathLib.log10(error));
  int digits = log10Value - log10Error - 1; // Exact digits.
  boolean scientific = (MathLib.abs(value) >= 1E6)
      || (MathLib.abs(value) < 1E-6);
  boolean showZeros = true;
  TypeFormat.format(value, digits, scientific, showZeros, arg1);
  arg1.append(' ');
  return UnitFormat.getInstance().format(arg0.getUnit(), arg1);
}

int log10Value = (int) MathLib.floor(MathLib.log10(MathLib
    .abs(value)));
int log10Error = (int) MathLib.floor(MathLib.log10(error));
int digits = log10Value - log10Error - 1; // Exact digits.
digits = MathLib.max(1, digits + _errorDigits);

int log10Value = (int) MathLib.floor(MathLib.log10(MathLib
    .abs(value)));
int log10Error = (int) MathLib.floor(MathLib.log10(error));
int digits = log10Value - log10Error - 1; // Exact digits.
digits = MathLib.max(1, digits + _errorDigits);