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-rw-r--r--man3/logb.32
1 files changed, 1 insertions, 1 deletions
diff --git a/man3/logb.3 b/man3/logb.3
index 7cbb2470ab..7a1ad2f4a7 100644
--- a/man3/logb.3
+++ b/man3/logb.3
@@ -58,7 +58,7 @@ If
is 2,
.BI logb( x )
is equal to
-.BI floor(log2( x ))\fR,
+.BI floor(log2(fabs( x )))\f[R],\f[]
except that it is probably faster.
.P
If