git: <float.h>: Use compiler builtins for some constants, if they are available.

[Sascha Wildner <swildner@xxxxxxxxxxxxxxxxxxxxxxx>]

commit 7a0a994307056aae0718f7c17fa081f57d19f2c1
Author: Sascha Wildner <saw@online.de>
Date:   Thu Mar 3 22:27:43 2011 +0100

    <float.h>: Use compiler builtins for some constants, if they are available.
    
    I've left the original values in as fallbacks, should any compiler have
    no builtins. But they are no longer used for the GCCs with this commit.

Summary of changes:
 sys/cpu/i386/include/float.h   |  117 +++++++++++++++++++++++++++++++++++++++-
 sys/cpu/x86_64/include/float.h |  117 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 233 insertions(+), 1 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/7a0a994307056aae0718f7c17fa081f57d19f2c1


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