GNU bug report logs - #48640
Cbc (COIN-OR)

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#48640: closed (Cbc (COIN-OR))
Date: Fri, 28 May 2021 20:17:01 +0000

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Your message dated Fri, 28 May 2021 22:16:50 +0200
with message-id <8735u6ipfx.fsf <at> gnu.org>
and subject line Re: bug#48640: Cbc (COIN-OR)
has caused the debbugs.gnu.org bug report #48640,
regarding Cbc (COIN-OR)
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


-- 
48640: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=48640
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Contact help-debbugs <at> gnu.org with problems

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From: "Eric Brown" <ecbrown <at> ericcbrown.com>
To: guix-patches <at> gnu.org
Subject: Cbc (COIN-OR)
Date: Tue, 25 May 2021 01:01:29 -0500

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Hello All,

Please see the attached patch for Cbc, which is a branch-and-cut solver.

Best regards,
Eric

[0001-gnu-Add-cbc.patch (text/x-patch, attachment)]

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From: Ludovic Courtès <ludo <at> gnu.org>
To: "Eric Brown" <ecbrown <at> ericcbrown.com>
Cc: 48640-done <at> debbugs.gnu.org
Subject: Re: bug#48640: Cbc (COIN-OR)
Date: Fri, 28 May 2021 22:16:50 +0200

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Hi Eric,

"Eric Brown" <ecbrown <at> ericcbrown.com> skribis:

> From b48d0a90603b7b2b8263c2e86e45b33cf787974c Mon Sep 17 00:00:00 2001
> From: Eric Brown <ecbrown <at> ericcbrown.com>
> Date: Tue, 25 May 2021 00:58:50 -0500
> Subject: [PATCH] gnu: Add cbc.
>
> * gnu/packages/maths.scm (cbc): New variable.

Applied with the changes below: returning #t at the end of
phases/snippets is no longer necessary, and mentioning “open source” is
unnecessary as well since everything in here is free software.  :-)

Thanks!

Ludo’.

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diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 614eacfccf..59598a242d 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -1812,9 +1812,7 @@ interfaces.")
               (modules '((guix build utils)))
               (snippet
                ;; Make sure we don't use the bundled software.
-               '(begin
-                  (delete-file-recursively "ThirdParty")
-                  #t))))
+               '(delete-file-recursively "ThirdParty"))))
     (build-system gnu-build-system)
     (native-inputs
      `(("gfortran" ,gfortran)
@@ -1822,11 +1820,11 @@ interfaces.")
     (inputs
      `(("openblas" ,openblas)))
     (home-page "https://www.coin-or.org")
-    (synopsis "Branch-and-Cut solver")
+    (synopsis "Branch-and-cut solver")
     (description
-     "Cbc (Coin-or branch and cut) is an open-source mixed integer linear
-programming solver written in C++. It can be used as a callable library or
-using a stand-alone executable.")
+     "Cbc (Coin-or branch and cut) is a mixed integer linear programming
+solver written in C++.  It can be used as a library or as a standalone
+executable.")
     (license license:epl1.0)))
 
 (define-public clp

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