Study that compares scaled integer lerp to float lerp. This
shows an error rate of 0.38% with a max difference of 1.
Study to compare scaled values the would result as the
intermediate values of a bilerp. This shows an error rate
of 24% with a max difference of 1.
Change-Id: Id27b6baa9ce56efedb30f490a3f84ccf808315fa
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/447183
Reviewed-by: Brian Osman <brianosman@google.com>
