938 * Removes the decimal if null. Uses a specialized formatter object
939 * for very large and very small numbers that ignores locales, thus
940 * using always using "." as a decimal separator.
941 */
942 public static String realToString(double d) {
943 final double m = Math.abs(d);
944 if ((m >= lowerBounds) && (m < upperBounds)) {
945 final String result = Double.toString(d);
946 final int length = result.length();
947 // Remove leading zeros.
948 if ((result.charAt(length-2) == '.') &&
949 (result.charAt(length-1) == '0'))
950 return result.substring(0, length-2);
951 else
952 return result;
953 }
954 else {
955 if (Double.isNaN(d) || Double.isInfinite(d))
956 return(Double.toString(d));
957
958 // Use the XPath formatter to ignore locales
959 StringBuffer result = threadLocalStringBuffer.get();
960 result.setLength(0);
961 xpathFormatter.format(d, result, _fieldPosition);
962 return result.toString();
963 }
964 }
965
966 /**
967 * Utility function: used in RealType to convert a real to an integer
968 */
969 public static int realToInt(double d) {
970 return (int)d;
971 }
972
973 /**
974 * Utility function: used to format/adjust a double to a string. The
975 * DecimalFormat object comes from the 'formatSymbols' hashtable in
976 * AbstractTranslet.
977 */
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938 * Removes the decimal if null. Uses a specialized formatter object
939 * for very large and very small numbers that ignores locales, thus
940 * using always using "." as a decimal separator.
941 */
942 public static String realToString(double d) {
943 final double m = Math.abs(d);
944 if ((m >= lowerBounds) && (m < upperBounds)) {
945 final String result = Double.toString(d);
946 final int length = result.length();
947 // Remove leading zeros.
948 if ((result.charAt(length-2) == '.') &&
949 (result.charAt(length-1) == '0'))
950 return result.substring(0, length-2);
951 else
952 return result;
953 }
954 else {
955 if (Double.isNaN(d) || Double.isInfinite(d))
956 return(Double.toString(d));
957
958 //Convert -0.0 to +0.0 other values remains the same
959 d = d + 0.0;
960
961 // Use the XPath formatter to ignore locales
962 StringBuffer result = threadLocalStringBuffer.get();
963 result.setLength(0);
964 xpathFormatter.format(d, result, _fieldPosition);
965 return result.toString();
966 }
967 }
968
969 /**
970 * Utility function: used in RealType to convert a real to an integer
971 */
972 public static int realToInt(double d) {
973 return (int)d;
974 }
975
976 /**
977 * Utility function: used to format/adjust a double to a string. The
978 * DecimalFormat object comes from the 'formatSymbols' hashtable in
979 * AbstractTranslet.
980 */
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