libm: add logb to the correctly rounded list

diff --git a/libm/index.html b/libm/index.html
index 247a7b6..e177d6c 100644 (file)
--- a/libm/index.html
+++ b/libm/index.html
@@ -63,7 +63,7 @@ floating-point value)
 (in theory correct rounding can be achieved but with big implementation cost,
 see <a href="http://lipforge.ens-lyon.fr/www/crlibm/">crlibm</a>)
 <li>At least the following functions must be correctly rounded:
-ceil, copysign, fabs, fdim, floor, fma, fmax, fmin, frexp, ldexp,
+ceil, copysign, fabs, fdim, floor, fma, fmax, fmin, frexp, ldexp, logb,
 modf, nearbyint, nextafter, nexttoward, rint, round, scalbln, scalbn,
 sqrt, trunc.
 <li>Mathematical properties of functions should be as expected