3 Commits

Author	SHA1	Message	Date
Kent Overstreet	db32bb9a5f	mean and variance: Add a missing include ... abs() is in math.h Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>	2023-10-22 17:10:02 -04:00
Kent Overstreet	65bc410907	mean and variance: More tests ... Add some more tests that test conventional and weighted mean simultaneously, and with a table of values that represents events that we'll be using this to look for so we can verify-by-eyeball that the output looks sane. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>	2023-10-22 17:10:02 -04:00
Daniel Hill	92095781e0	bcachefs: Mean and variance ... This module provides a fast 64bit implementation of basic statistics functions, including mean, variance and standard deviation in both weighted and unweighted variants, the unweighted variant has a 32bit limitation per sample to prevent overflow when squaring. Signed-off-by: Daniel Hill <daniel@gluo.nz> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>	2023-10-22 17:09:43 -04:00