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Diffstat (limited to 'man')
| -rw-r--r-- | man/zbits.3 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/man/zbits.3 b/man/zbits.3 index 3dea6d9..191a87c 100644 --- a/man/zbits.3 +++ b/man/zbits.3 @@ -25,6 +25,14 @@ absolute value of \(em or 1 if .I a is zero. +.SH RATIONALE +.B zbits +returns 1 rather than 0 if +.B a +is zero, this is to avoid off-by-one errors +and it is the number of digits requires to +write the number in binary. You will see this +in corresponding functions in other libraries. .SH SEE ALSO .BR zlsb (3), .BR zzero (3) |