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authorzimmerma <zimmerma@280ebfd0-de03-0410-8827-d642c229c3f4>1999-11-27 08:09:46 +0000
committerzimmerma <zimmerma@280ebfd0-de03-0410-8827-d642c229c3f4>1999-11-27 08:09:46 +0000
commit035c0944307bd2d9e8632c8a135f321f5a50bd58 (patch)
treee055131c76174ead1f1fc4cb3a5e26b95dff94ef /INSTALL
parent94ca8439c9553d6a3e9b5a12407d136e83c608a9 (diff)
downloadmpfr-035c0944307bd2d9e8632c8a135f321f5a50bd58.tar.gz
improved GMP link (thanks to Vincent Lefe`vre)
added pointer to Alpha-Linux f-p problems git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@407 280ebfd0-de03-0410-8827-d642c229c3f4
Diffstat (limited to 'INSTALL')
-rw-r--r--INSTALL5
1 files changed, 4 insertions, 1 deletions
diff --git a/INSTALL b/INSTALL
index 773da0462..bb62ef6c7 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,7 +1,7 @@
Installing mpfr-0.0
===================
-0. You first need to install GMP. See http://www.swox.com/gmp.
+0. You first need to install GMP. See <http://www.swox.com/gmp/>.
MPFR needs the gmp include file gmp-mparam.h that will be
created during the compilation of gmp in the mpn subdirectory.
So that all GMP include files are in the same directory, once
@@ -44,6 +44,9 @@ errors as follows:
libm.a differs from mpfr_sqrt for a=9.89438396044940260000e-134, rnd_mode=2
libm.a gives 3.14553397063986620000e-67, mpfr_sqrt gives 3.14553397063986680000e-67 (1 ulp)
+Also, Linux on Alpha is known to have problems with IEEE conformance. See
+http://www.linux.org.uk/VERSION/relnotes.2211.html.
+
In most cases, as above, the error comes from the libm.a. On Alpha/Linux,
which is known to have a bad libm.a, you may even find errors in the
addition or multiplication.