-/*
- * Apply an irreversible inverse DWT transform to a component of an image
- */
-void dwt_decode_real(tcd_tilecomp_t * tilec, int stop);
-/*
- * Get the gain of a subband for the irreversible DWT
- * orient: number that identifies the subband (0->LL, 1->HL, 2->LH, 3->HH)
- */
+/** @name Exported functions */
+/*@{*/
+/* ----------------------------------------------------------------------- */
+/**
+Forward 5-3 wavelet tranform in 2-D.
+Apply a reversible DWT transform to a component of an image.
+@param tilec Tile component information (current tile)
+*/
+void dwt_encode(opj_tcd_tilecomp_t * tilec);
+/**
+Inverse 5-3 wavelet tranform in 2-D.
+Apply a reversible inverse DWT transform to a component of an image.
+@param tilec Tile component information (current tile)
+@param stop FIXME Number of decoded resolution levels ?
+*/
+void dwt_decode(opj_tcd_tilecomp_t * tilec, int stop);
+/**
+Get the gain of a subband for the reversible 5-3 DWT.
+@param orient Number that identifies the subband (0->LL, 1->HL, 2->LH, 3->HH)
+@return Returns 0 if orient = 0, returns 1 if orient = 1 or 2, returns 2 otherwise
+*/
+int dwt_getgain(int orient);
+/**
+Get the norm of a wavelet function of a subband at a specified level for the reversible 5-3 DWT.
+@param level Level of the wavelet function
+@param orient Band of the wavelet function
+@return Returns the norm of the wavelet function
+*/
+double dwt_getnorm(int level, int orient);
+/**
+Forward 9-7 wavelet transform in 2-D.
+Apply an irreversible DWT transform to a component of an image.
+@param tilec Tile component information (current tile)
+*/
+void dwt_encode_real(opj_tcd_tilecomp_t * tilec);
+/**
+Inverse 9-7 wavelet transform in 2-D.
+Apply an irreversible inverse DWT transform to a component of an image.
+@param tilec Tile component information (current tile)
+@param stop FIXME Number of decoded resolution levels ?
+*/
+void dwt_decode_real(opj_tcd_tilecomp_t * tilec, int stop);
+/**
+Get the gain of a subband for the irreversible 9-7 DWT.
+@param orient Number that identifies the subband (0->LL, 1->HL, 2->LH, 3->HH)
+@return Returns the gain of the 9-7 wavelet transform
+*/