From 6d388103a4ed8f14f1ac6ac7a2ff22c5fa6b8cd4 Mon Sep 17 00:00:00 2001
From: Eric Bavier <bavier@posteo.net>
Date: Mon, 14 Jun 2021 21:55:09 -0500
Subject: gnu: Add Sollya.

* gnu/packages/algebra.scm (sollya): New variable.
* .mailmap: Adjust "proper email" for `git commit`.
---
 .mailmap                 |  4 ++--
 gnu/packages/algebra.scm | 48 +++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 49 insertions(+), 3 deletions(-)

diff --git a/.mailmap b/.mailmap
index c18f2e08e3..6bceaf16ac 100644
--- a/.mailmap
+++ b/.mailmap
@@ -24,8 +24,8 @@ David Thompson <davet@gnu.org> <dthompson2@worcester.edu>
 David Thompson <davet@gnu.org> <dthompson@member.fsf.org>
 David Thompson <davet@gnu.org> <dthompson@vistahigherlearning.com>
 Deck Pickard <deck.r.pickard@gmail.com> <nebu@kipple>
-Eric Bavier <bavier@member.fsf.org> <ericbavier@gmail.com>
-Eric Bavier <bavier@member.fsf.org> <bavier@posteo.net>
+Eric Bavier <bavier@posteo.net> <ericbavier@gmail.com>
+Eric Bavier <bavier@posteo.net> <bavier@member.fsf.org>
 Eric Dvorsak <eric@dvorsak.fr> <yenda1@gmail.com>
 George Clemmer <myglc2@gmail.com>
 ison <ison@airmail.cc> <ison111@protonmail.com>
diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm
index e7938b45db..5227d6797b 100644
--- a/gnu/packages/algebra.scm
+++ b/gnu/packages/algebra.scm
@@ -7,7 +7,7 @@
 ;;; Copyright © 2017, 2020 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2017–2021 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2017 Marius Bakke <mbakke@fastmail.com>
-;;; Copyright © 2017, 2019 Eric Bavier <bavier@member.fsf.org>
+;;; Copyright © 2017, 2019, 2021 Eric Bavier <bavier@posteo.net>
 ;;; Copyright © 2019 Mathieu Othacehe <m.othacehe@gmail.com>
 ;;; Copyright © 2020 Björn Höfling <bjoern.hoefling@bjoernhoefling.de>
 ;;; Copyright © 2020 Jakub Kądziołka <kuba@kadziolka.net>
@@ -59,6 +59,7 @@ (define-module (gnu packages algebra)
   #:use-module (gnu packages tex)
   #:use-module (gnu packages texinfo)
   #:use-module (gnu packages xiph)
+  #:use-module (gnu packages xml)
   #:use-module (gnu packages xorg)
   #:use-module (guix build-system ant)
   #:use-module (guix build-system gnu)
@@ -1607,3 +1608,48 @@ (define-public r-dtt
 (@dfn{DCT}), Discrete Sine Transform (@dfn{DST}) and Discrete Hartley Transform
 (@dfn{DHT}).")
     (license license:gpl2+)))
+
+(define-public sollya
+  (package
+   (name "sollya")
+   (version "7.0")
+   (source (origin
+            (method url-fetch)
+            (uri (string-append "https://www.sollya.org/releases/"
+                                "sollya-" version "/sollya-" version ".tar.bz2"))
+            (sha256
+             (base32
+              "11290ivi9h665cxi8f1shlavhy10vzb8s28m57hrcgnxyxqmhx0m"))))
+   (build-system gnu-build-system)
+   (inputs
+    `(("fplll" ,fplll)
+      ("gmp" ,gmp)
+      ("gnuplot" ,gnuplot)
+      ("libxml2" ,libxml2)
+      ("mpfi" ,mpfi)
+      ("mpfr" ,mpfr)))
+   (arguments
+    `(#:configure-flags
+      (list (string-append "--docdir=${datadir}/doc/sollya-" ,version))
+      #:phases
+      (modify-phases %standard-phases
+        (add-after 'unpack 'patch-test-shebang
+          (lambda _
+            (substitute* (list "tests-tool/Makefile.in"
+                               "tests-lib/Makefile.in")
+             (("#!/bin/sh") (string-append "#!" (which "sh"))))
+            #t))
+        (add-before 'build 'patch-gnuplot-reference
+          (lambda _
+            (substitute* "general.c"
+             (("\"gnuplot\"") (string-append "\"" (which "gnuplot") "\"")))
+            #t)))))
+   (home-page "https://www.sollya.org")
+   (synopsis "Development environment for safe floating-point code")
+   (description "Sollya is a computer program whose purpose is to
+provide an environment for safe floating-point code development.  It
+is particularly targeted to the automated implementation of
+mathematical floating-point libraries (libm).  Amongst other features,
+it offers a certified infinity norm, an automatic polynomial
+implementer, and a fast Remez algorithm.")
+   (license license:cecill-c)))
-- 
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