Examples of java.math.BigDecimal.signum()

java.math.BigDecimal.signum()
Returns the signum function of this {@code BigDecimal}. @return -1, 0, or 1 as the value of this {@code BigDecimal} is negative, zero, or positive.

   */
  public int hashCode() {
    if(this.value != null) {
      if (this.value instanceof BigDecimal) {
        BigDecimal bd = (BigDecimal)this.value;
        int xsign = bd.signum();
            if (xsign == 0)
                return 0;
            bd = bd.stripTrailingZeros();
            return bd.hashCode();
      }

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        ValueDecimal dec = (ValueDecimal) v;
        if (dec.value.signum() == 0) {
            throw DbException.get(ErrorCode.DIVISION_BY_ZERO_1, getSQL());
        }
        BigDecimal bd = value.divide(dec.value, value.scale() + DIVIDE_SCALE_ADD, BigDecimal.ROUND_HALF_DOWN);
        if (bd.signum() == 0) {
            bd = BigDecimal.ZERO;
        } else if (bd.scale() > 0) {
            if (!bd.unscaledValue().testBit(0)) {
                String s = bd.toString();
                int i = s.length() - 1;

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        } else if (a instanceof BigDecimal) {
            BigDecimal bd = (BigDecimal) a;


            value = bd.doubleValue();


            int        signum = bd.signum();
            BigDecimal bdd    = new BigDecimal(value + signum);


            if (bdd.compareTo(bd) != signum) {
                throw Error.error(ErrorCode.X_22003);
            }

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        } else if (a instanceof BigDecimal) {
            BigDecimal bd = (BigDecimal) a;


            value = bd.doubleValue();


            int        signum = bd.signum();
            BigDecimal bdd    = new BigDecimal(value + signum);


            if (bdd.compareTo(bd) != signum) {
                throw Error.error(ErrorCode.X_22003);
            }

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                        p -= s;
                        s = 0;
                    }


                    return (precision - scale >= p - s) ? 0
                                                        : dec.signum();
                }
                default :
                    return 0;
            }

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                }


                BigDecimal abd = (BigDecimal) a;
                BigDecimal bbd = (BigDecimal) b;


                if (bbd.signum() == 0) {
                    throw Error.error(ErrorCode.X_22012);
                }


                BigDecimal bd = abd.divide(bbd, scale, BigDecimal.ROUND_DOWN);

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            try {
                decimal = new BigDecimal(strValue);
            } catch(NumberFormatException e) {
                decimal = new BigDecimal(0);
            }
            if (decimal.signum() == 0) {
                // MRI behavior: -0 and +0 are two different things
                if (strValue.matches("^\\s*-.*")) {
                    return newZero(recv.getRuntime(), -1);
                } else {
                    return newZero(recv.getRuntime(), 1);

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            return newNaN(runtime);
        }


        // Java and MRI definitions of modulo are different.
        BigDecimal modulo = value.remainder(val.value);
        if (modulo.signum() * val.value.signum() < 0) {
            modulo = modulo.add(val.value);
        }


        return new RubyBigDecimal(runtime, modulo).setResult();
    }

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        BigDecimal[] divmod = value.divideAndRemainder(val.value);


        BigDecimal div = divmod[0];
        BigDecimal mod = divmod[1];


        if (mod.signum() * val.value.signum() < 0) {
            div = div.subtract(BigDecimal.ONE);
            mod = mod.add(val.value);
        }


        return RubyArray.newArray(runtime,

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                                                                        DatatypeMessageProvider.MSG_NONE,
                                                                        new Object[] { content}));
        }
        if ( isPrecisionDefined == true ) {
            int precision = d.movePointRight(d.scale()).toString().length() - 
                            ((d.signum() < 0) ? 1 : 0); // account for minus sign
            if (precision > fPrecision)
                throw new InvalidDatatypeValueException(
                                getErrorString(DatatypeMessageProvider.PrecisionExceeded,
                                 DatatypeMessageProvider.MSG_NONE,
                                 new Object[] { "'" + content + "'" + "with precision = '"+ precision +"'"

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