libm: add gcc float wiki link

[www] / libm / index.html

diff --git a/libm/index.html b/libm/index.html
index 2e1ccde..adad680 100644 (file)
--- a/libm/index.html
+++ b/libm/index.html
@@ -178,6 +178,8 @@ on the endianness and write different code for different architectures.
 <p>The ugly parts of libm hacking.
 <p>Some notes are from:
 <a href="http://www.vinc17.org/research/extended.en.html">http://www.vinc17.org/research/extended.en.html</a>
+<p>Useful info about floating-point in gcc:
+<a href="http://gcc.gnu.org/wiki/FloatingPointMath">http://gcc.gnu.org/wiki/FloatingPointMath</a>
 
 <ul>
 <li>Double rounding: