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| author | Marshall Lochbaum <mwlochbaum@gmail.com> | 2022-04-27 22:21:50 -0400 |
|---|---|---|
| committer | Marshall Lochbaum <mwlochbaum@gmail.com> | 2022-04-27 22:21:50 -0400 |
| commit | 31b722e16e6a0f6b0f08e8409b2c7e240937bfed (patch) | |
| tree | 409d3fde73f45aace8ce1c224dd7f5514f1ff4d0 /doc/scan.md | |
| parent | 3b44787d5b7508a5abd868c7891046576e0eab02 (diff) | |
Documentation for Under
Diffstat (limited to 'doc/scan.md')
| -rw-r--r-- | doc/scan.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/scan.md b/doc/scan.md index 73ce3f0a..f87580e4 100644 --- a/doc/scan.md +++ b/doc/scan.md @@ -94,7 +94,7 @@ A more complicated boolean scan, which depends on the left-to-right ordering, is ## Reverse scan -We've discussed how the scan moves forward along `𝕩`, so that each time `𝔽` takes an old result as `𝕨` and a new value as `𝕩`. This means that results correspond to [prefixes](prefixes.md) and go left to right on each one. Since the most important scans have associative, commutative operands, the left-to-right ordering often doesn't make a difference. But sometimes a suffix rather than prefix scan is wanted. For these cases, Scan Under [Reverse](reverse.md) (`` `⌾⌽ ``) does the trick. +We've discussed how the scan moves forward along `𝕩`, so that each time `𝔽` takes an old result as `𝕨` and a new value as `𝕩`. This means that results correspond to [prefixes](prefixes.md) and go left to right on each one. Since the most important scans have associative, commutative operands, the left-to-right ordering often doesn't make a difference. But sometimes a suffix rather than prefix scan is wanted. For these cases, Scan [Under](under.md) [Reverse](reverse.md) (`` `⌾⌽ ``) does the trick. ∨` 0‿0‿1‿0‿0‿1‿0 |
