Module utils

Utils for testing and debugging.

Structs

• Diff
  A difference between two images

Functions

• describe_pixel_diffs
  Gives a summary description of a list of pixel diffs for use in error messages.
• gray_bench_image
  Gray image to use in benchmarks. This is neither noise nor similar to natural images - it’s just a convenience method to produce an image that’s not constant.
• load_image_or_panic
  Loads image at given path, panicking on failure.
• pixel_diff_summary
  Human readable description of some of the pixels that differ between left and right, or None if all pixels match.
• pixel_diffs
  Lists pixels that differ between left and right images.
• rgb_bench_image
  RGB image to use in benchmarks. See comment on gray_bench_image.
• significant_pixel_diff_summary
  Human readable description of some of the pixels that differ signifcantly (according to provided function) between left and right, or None if all pixels match.