'**SUMMARY**
Converts the standard int bitmap to a floating point bitmap.
This is handy for some OpenCV functions.
**RETURNS**
Returns the floating point OpenCV CvMat version of this image.
**EXAMPLE**
>>> img = Image("lenna")
>>> rawImg  = img.getFPMatrix()
>>> rawOut  = img.getEmpty()
>>> cv.SomeOpenCVFunc(rawImg,rawOut)
**SEE ALSO**
:py:meth:`getEmpty`
:py:meth:`getBitmap`
:py:meth:`getMatrix`
:py:meth:`getPIL`
:py:meth:`getNumpy`
:py:meth:`getGrayNumpy`
:py:meth:`getGrayscaleMatrix`'

def getFPMatrix(self):

    retVal = cv.CreateImage((self.width, self.height), cv.IPL_DEPTH_32F, 3)
    cv.Convert(self.getBitmap(), retVal)
    return retVal
