[bug#48640] Cbc (COIN-OR)

[bug#48640] Cbc (COIN-OR)

[Eric Brown]

[-- Attachment #1: Type: text/plain, Size: 106 bytes --]

Hello All,

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

Best regards,
Eric


[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #2: 0001-gnu-Add-cbc.patch --]
[-- Type: text/x-patch; name="0001-gnu-Add-cbc.patch", Size: 1813 bytes --]

From b48d0a90603b7b2b8263c2e86e45b33cf787974c Mon Sep 17 00:00:00 2001
From: Eric Brown <ecbrown@ericcbrown.com>
Date: Tue, 25 May 2021 00:58:50 -0500
Subject: [PATCH] gnu: Add cbc.

* gnu/packages/maths.scm (cbc): New variable.
---
 gnu/packages/maths.scm | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index ee0a69bbd7..63ca2979ae 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -1795,6 +1795,37 @@ large-scale nonlinear optimization.  It provides C++, C, and Fortran
 interfaces.")
     (license license:epl1.0)))
 
+(define-public cbc
+  (package
+    (name "cbc")
+    (version "2.10.5")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://www.coin-or.org/download/source/"
+                                  "Cbc/Cbc-" version ".tgz"))
+              (sha256
+               (base32
+                "0wk9vr6zc62gw71v7gnra5wxqlcljcgbhm5lasx236v791b986ns"))
+              (modules '((guix build utils)))
+              (snippet
+               ;; Make sure we don't use the bundled software.
+               '(begin
+                  (delete-file-recursively "ThirdParty")
+                  #t))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("gfortran" ,gfortran)
+       ("pkg-config" ,pkg-config)))
+    (inputs
+     `(("openblas" ,openblas)))
+    (home-page "https://www.coin-or.org")
+    (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.")
+    (license license:epl1.0)))
+
 (define-public clp
   (package
     (name "clp")
-- 
2.31.1

bug#48640: Cbc (COIN-OR)

[Ludovic Courtès]

[-- Attachment #1: Type: text/plain, Size: 541 bytes --]

Hi Eric,

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

> From b48d0a90603b7b2b8263c2e86e45b33cf787974c Mon Sep 17 00:00:00 2001
> From: Eric Brown <ecbrown@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’.


[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #2: Type: text/x-patch, Size: 1207 bytes --]

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

[bug#48640] Cbc (COIN-OR)

[Eric Brown]

Ludovic Courtès <ludo@gnu.org> writes:
>
> 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’.

Roger that, thanks!