Release Notes

Major Updates

• Support for Mac OS X
• New Language support (available on github)
  • ArrayFire for R!
  • ArrayFire for Fortran^#
  • ArrayFire for Java
• ArrayFire Extras on Github
  • Rolling updates to examples
  • OpenGL interop example

^# ArrayFire for Fortan has been removed from the installed library, but can be downloaded from the ArrayFire Extras GitHub page linked above.

Function Additions

• Image transformation (warp affine) functions
  • transform()
    • affine and inverse affine transform of an image
  • translate()
    • translate an image using affine transforms
  • scale()
    • scale an image using affine transforms
  • skew()
    • skew an image using affine transforms
• Coordinate transformation (homogeneous transformation) functions
  • transform_coords()
    • Upto 3D homogeneous transformations
  • rotate_coords()
    • rotation matrix wrapper for homogeneous coordinate transformation

API Changes

• rotate()
  • Added optional 4th parameter recenter
• af_filter removed

Feature Improvements

• approx1() and approx2() now support nearest interpolation
• rotate(), resize(), convolve() work for stack of images(3D) and gfor
• new indexing functions to add support for 4-th dimension gfor
• host pinned memory support for OpenCL

Bug Fixes

• loadimage()
  • fixed bug with grayscale image reading
• gaussiankernel()
  • fixed computation of gaussian kernel values
• resize()
  • fixed resize in OpenCL
• medfilt()
  • fixed to handle more data types
• rotate()
  • fixed rounding issue on Tahiti GPUs
• approx1()
  • fixed for gfor use
• flip()
  • fixed launch configuration
• indexing now works on intel GPUs

Performance Improvements

• rotate() rewritten to improve performance