diff options
| -rw-r--r-- | man3/logb.3 | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/man3/logb.3 b/man3/logb.3 index 7a1ad2f4a..6d1cb5be8 100644 --- a/man3/logb.3 +++ b/man3/logb.3 @@ -57,9 +57,10 @@ If .B FLT_RADIX is 2, .BI logb( x ) -is equal to +is similar to .BI floor(log2(fabs( x )))\f[R],\f[] -except that it is probably faster. +except that the latter may give an incorrect integer +due to intermediate rounding. .P If .I x |