minor changes in gpu module (comments and warnings)

2010-12-24 07:00:08 +00:00
parent 6702d55711
commit 54fcdf4cae
3 changed files with 6 additions and 4 deletions
--- a/modules/gpu/include/opencv2/gpu/gpu.hpp
+++ b/modules/gpu/include/opencv2/gpu/gpu.hpp
@@ -640,7 +640,8 @@ namespace cv
        //! performs a forward or inverse discrete Fourier transform (1D or 2D) of floating point matrix
        //!
        //! If the source matrix is not continous, then additional copy will be done,
-        //! so to avoid copying ensure the source matrix is continous one.
+        //! so to avoid copying ensure the source matrix is continous one. If you want to use
+        //! preallocated output ensure it is continuous too, otherwise it will be reallocated.
        //!
        //! Being implemented via CUFFT real-to-complex transform result contains only non-redundant values
        //! in CUFFT's format. Result as full complex matrix for such kind of transform cannot be retrieved.