#4556: bc-2.4.0
--------------------+-----------------------
Reporter: bdubbs | Owner: lfs-book
Type: task | Status: new
Priority: normal | Milestone: 9.1
Component: Book | Version: SVN
Severity: normal | Resolution:
Keywords: |
--------------------+-----------------------
Comment (by bdubbs):
# 2.4.0
This is a production release primarily aimed at improving `dc`.
* A couple of copy and paste errors in the [`dc` manual][10] were fixed.
* `dc` startup was optimized by making sure it didn't have to set up
`bc`-only
things.
* The `bc` `&&` and `||` were made available to `dc` through the `M` and
`m`
commands, respectively.
* `dc` macros were changed to be tail call-optimized.
The last item, tail call optimization, means that if the last thing in a
macro
is a call to another macro, then the old macro is popped before executing
the
new macro. This change was made to stop `dc` from consuming more and more
memory
as macros are executed in a loop.
The `q` and `Q` commands still respect the "hidden" macros by way of
recording
how many macros were removed by tail call optimization.
--
Ticket URL: <http://wiki.linuxfromscratch.org/lfs/ticket/4556#comment:1>
LFS Trac <http://wiki.linuxfromscratch.org/lfs/>
Linux From Scratch: Your Distro, Your Rules.
--
http://lists.linuxfromscratch.org/listinfo/lfs-book
FAQ: http://www.linuxfromscratch.org/blfs/faq.html
Unsubscribe: See the above information page
