setValueUcumDecimal method

void setValueUcumDecimal(String value)

Implementation

void setValueUcumDecimal(String value) {
  scientific = false;
  negative = value.startsWith('-');
  if (negative) {
    value = value.substring(1);
  }

  while (value.startsWith('0') && value.length > 1) {
    value = value.substring(1);
  }

  final int dec = value.indexOf('.');
  if (dec == -1) {
    precision = value.length;
    decimal = value.length;
    digits = value;
  } else if (dec == value.length - 1) {
    throw UcumException("'$value' is not a valid decimal");
  } else {
    decimal = dec;
    if (allZeros(value, 1)) {
      precision = value.length - 1;
    } else {
      precision = countSignificants(value);
    }
    digits = delete(value, decimal, 1);
    if (allZeros(digits)) {
      precision = precision + 1;
    }
    while (digits.startsWith('0')) {
      digits = digits.substring(1);
      decimal--;
    }
  }
}