summaryrefslogtreecommitdiff
path: root/fs/bcachefs/mean_and_variance.c
AgeCommit message (Collapse)AuthorFilesLines
2024-01-01bcachefs: mean and variance: fix kernel-doc for function paramsRandy Dunlap1-2/+8
Add missing function parameter descriptions in mean_and_variance.c. The also eliminates the "Excess function parameter" warnings. Prevents these kernel-doc warnings: mean_and_variance.c:67: warning: Function parameter or member 's' not described in 'mean_and_variance_get_mean' mean_and_variance.c:78: warning: Function parameter or member 's1' not described in 'mean_and_variance_get_variance' mean_and_variance.c:94: warning: Function parameter or member 's' not described in 'mean_and_variance_get_stddev' mean_and_variance.c:108: warning: Function parameter or member 's' not described in 'mean_and_variance_weighted_update' mean_and_variance.c:108: warning: Function parameter or member 'x' not described in 'mean_and_variance_weighted_update' mean_and_variance.c:108: warning: Excess function parameter 's1' description in 'mean_and_variance_weighted_update' mean_and_variance.c:108: warning: Excess function parameter 's2' description in 'mean_and_variance_weighted_update' mean_and_variance.c:134: warning: Function parameter or member 's' not described in 'mean_and_variance_weighted_get_mean' mean_and_variance.c:143: warning: Function parameter or member 's' not described in 'mean_and_variance_weighted_get_variance' mean_and_variance.c:153: warning: Function parameter or member 's' not described in 'mean_and_variance_weighted_get_stddev' Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Kent Overstreet <kent.overstreet@linux.dev> Cc: Brian Foster <bfoster@redhat.com> Cc: linux-bcachefs@vger.kernel.org Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-23bcachefs: Mean and varianceDaniel Hill1-0/+159
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>