lculation from masked area may be fooled resulting in wrong black
      levels. </p>
    <p><a name="floatingpoint"></a></p>
    <h4>Support for floating point data</h4>
    <p>Libraw can read floating point DNG files (no other RAW formats may use
      floating point) with or without conversion to integer data. Floating point
      values are stored in imgdata.rawdata buffers:</p>
    <ul>
      <li><span style="font-family: monospace;">float * float_image</span> (if
        not NULL) points to floating po