[gegl] (20 commits) Created branch soc-2011-warp

[Michael Murà <mmure src gnome org>]

The branch 'soc-2011-warp' was created.

Summary of new commits:

  8951df8... add a buffer-cache op in the workshop
  555397a... add a wip operator warp in the workshop, and dedicated enum
  9aff105... gegl:warp: rename warp_private to WarpPrivate and fix compi
  0791a63... configure.ac: add a check for rint, and define HAVE_RINT ac
  9fadee2... gegl_buffer_dup: implement copy on write
  103b89b... simplify gegl_buffer_tile_iterator by removing unneeded cod
  65db593... gegl_tile_iterator: simplify again and remove a goto
  eedb675... gegl:warp: don't stamp if oustide the roi
  4c9c157... gegl_buffer_dup: use the cache to insert duplicated tiles
  fc30aae... gegl:warp: add code to test copy on write
  7b67c2d... prefix function point_lerp and point_dist with gegl_path_
  89c63d3... gegl-path: fix outdated documentation
  67c5ea5... gegl-path: remove dead code and potential security issue in
  83b1e9f... gegl-path: remove wrong code. After searching in the commit
  b1d6a5b... warp: compute the stamp curve without the strength factor
  81ff274... warp: set the range for the strength to 1-->100
  d1f78fc... warp: store the lookup table as double and perform a linear
  19fee51... warp: balance a bit the different behaviors
  9a62bc4... implement support for format_n buffer in the nearest neighb
  bf62f91... fix slightly wrong merge