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authorJarkko Hietaniemi <jhi@iki.fi>2015-06-07 17:42:10 -0400
committerJarkko Hietaniemi <jhi@iki.fi>2015-06-07 17:42:10 -0400
commitb7ce25dd7b9b021b485b5de41e6e19d6029ba22d (patch)
treea1ab5844a46c14b4c642a6a4a5faef07ef21eb2b /INSTALL
parent568793b67ae7b3c7362197be564525b48ddb2342 (diff)
downloadperl-b7ce25dd7b9b021b485b5de41e6e19d6029ba22d.tar.gz
Forgot to adjust this: quadmath is not long doubles.
Diffstat (limited to 'INSTALL')
-rw-r--r--INSTALL4
1 files changed, 2 insertions, 2 deletions
diff --git a/INSTALL b/INSTALL
index 14ee29c41f..63e54c893b 100644
--- a/INSTALL
+++ b/INSTALL
@@ -343,7 +343,7 @@ and the long double support.
=head3 quadmath
-One option for long doubles is that gcc 4.6 and later have a library
+One option for more precision is that gcc 4.6 and later have a library
called quadmath, which implements the IEEE 754 quadruple precision
(128-bit, 113 bits of mantissa) floating point numbers. The library
works at least on x86 and ia64 platforms. It may be part of your gcc
@@ -352,7 +352,7 @@ installation, or you may need to install it separately.
With "Configure -Dusequadmath" you can try enabling its use, but note
the compiler dependency, you may need to also add "-Dcc=...".
At C level the type is called C<__float128> (note, not "long double"),
-but Perl source knows it as NV.
+but Perl source knows it as NV. (This is not "long doubles".)
=head3 Algorithmic Complexity Attacks on Hashes