Method parse

basex-core/src/main/java/org/basex/query/value/item/Dbl.java:146–155

Converts the given token into a double value. @param value value to be converted @param info input info (can be null) @return double value @throws QueryException query exception

(final byte[] value, final InputInfo info)

   * @throws QueryException query exception
   */
  public static double parse(final byte[] value, final InputInfo info) throws QueryException {
    final double d = Token.toDouble(value);
    if(!Double.isNaN(d)) return d;

    final byte[] v = Token.trim(value);
    if(Token.eq(v, Token.NAN)) return Double.NaN;
    if(Token.eq(v, Token.POSITIVE_INF, Token.POSITIVE_INF_PLUS)) return Double.POSITIVE_INFINITY;
    if(Token.eq(v, Token.NEGATIVE_INF)) return Double.NEGATIVE_INFINITY;
    throw BasicType.DOUBLE.castError(value, info);
  }

  /**
   * Returns a JSON-compliant string representation of a double value.