10 files changed, 169 insertions, 308 deletions
diff --git a/sci-libs/gerris/ChangeLog b/sci-libs/gerris/ChangeLog
index 7162efa72eb1..66912fb029a6 100644
--- a/sci-libs/gerris/ChangeLog
+++ b/sci-libs/gerris/ChangeLog
@@ -1,6 +1,16 @@
 # ChangeLog for sci-libs/gerris
-# Copyright 1999-2011 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/sci-libs/gerris/ChangeLog,v 1.13 2011/07/20 16:59:00 pacho Exp $
+# Copyright 1999-2012 Gentoo Foundation; Distributed under the GPL v2
+# $Header: /var/cvsroot/gentoo-x86/sci-libs/gerris/ChangeLog,v 1.14 2012/01/23 02:22:14 bicatali Exp $
+
+*gerris-20111123 (23 Jan 2012)
+
+  23 Jan 2012; Sébastien Fabbro <bicatali@gentoo.org> -gerris-0.8.0.ebuild,
+  -gerris-0.9.2.ebuild, -gerris-20080929.ebuild,
+  -files/gerris-20080929-as-needed.patch, -gerris-20100114.ebuild,
+  -files/gerris-20100114-autotools.patch, +gerris-20111123.ebuild,
+  +files/gerris-20111123-autotools.patch, metadata.xml:
+  Version bump. Rewritten for automagic and include more modules. Initial work
+  from Eckard Brauer, bug #387217
 
   20 Jul 2011; Pacho Ramos <pacho@gentoo.org> metadata.xml:
   Drop maintainer due retirement, bug #105599
diff --git a/sci-libs/gerris/files/gerris-20080929-as-needed.patch b/sci-libs/gerris/files/gerris-20080929-as-needed.patch
deleted file mode 100644
index eca75a32f432..000000000000
--- a/sci-libs/gerris/files/gerris-20080929-as-needed.patch
+++ /dev/null
@@ -1,25 +0,0 @@
-diff -Naur gerris-snapshot-080929/src/Makefile.am gerris-snapshot-080929.new/src/Makefile.am
---- gerris-snapshot-080929/src/Makefile.am	2008-09-30 08:47:33.000000000 -0400
-+++ gerris-snapshot-080929.new/src/Makefile.am	2008-10-03 18:42:46.000000000 -0400
-@@ -114,18 +114,21 @@
-         -version-info $(LT_CURRENT):$(LT_REVISION):$(LT_AGE)\
- 	-release $(LT_RELEASE) -export-dynamic
- libgfs3D_la_SOURCES = $(SRC)
-+libgfs3D_la_LIBADD = -lgmodule-2.0
- 
- libgfs2D_la_LDFLAGS = $(NO_UNDEFINED)\
-         -version-info $(LT_CURRENT):$(LT_REVISION):$(LT_AGE)\
- 	-release $(LT_RELEASE) -export-dynamic
- libgfs2D_la_SOURCES = $(SRC)
- libgfs2D_la_CFLAGS = $(AM_CFLAGS) -DFTT_2D=1
-+libgfs2D_la_LIBADD = -lgmodule-2.0 -lgts
- 
- libgfs2D3_la_LDFLAGS = $(NO_UNDEFINED)\
-         -version-info $(LT_CURRENT):$(LT_REVISION):$(LT_AGE)\
- 	-release $(LT_RELEASE) -export-dynamic
- libgfs2D3_la_SOURCES = $(SRC)
- libgfs2D3_la_CFLAGS = $(AM_CFLAGS) -DFTT_2D3=1
-+libgfs2D3_la_LIBADD = -lgmodule-2.0
- 
- CLEANFILES = $(BUILT_SOURCES)
- 
diff --git a/sci-libs/gerris/files/gerris-20100114-autotools.patch b/sci-libs/gerris/files/gerris-20100114-autotools.patch
deleted file mode 100644
index 76ca031a282b..000000000000
--- a/sci-libs/gerris/files/gerris-20100114-autotools.patch
+++ /dev/null
@@ -1,60 +0,0 @@
---- ./src/Makefile.am.orig	2010-01-15 18:33:26.000000000 +0000
-+++ ./src/Makefile.am	2010-01-15 18:42:10.000000000 +0000
-@@ -2,10 +2,8 @@
- 
- AUTOMAKE_OPTIONS = 1.6
- 
--AM_CPPFLAGS = -DGFS_MODULES_DIR=\"$(libdir)/gerris\"
--
--INCLUDES = -I$(top_srcdir) -I$(includedir) \
--           -DG_LOG_DOMAIN=\"Gfs\" $(GTS_CFLAGS)
-+AM_CPPFLAGS = -DGFS_MODULES_DIR=\"$(libdir)/gerris\" \
-+        -DG_LOG_DOMAIN=\"Gfs\" $(GTS_CFLAGS)
- 
- bin_SCRIPTS=gfs-config
- 
-@@ -116,18 +114,21 @@
-         -version-info $(LT_CURRENT):$(LT_REVISION):$(LT_AGE)\
- 	-release $(LT_RELEASE) -export-dynamic
- libgfs3D_la_SOURCES = $(SRC)
-+libgfs3D_la_LIBADD = $(GTS_LIBS)
- 
- libgfs2D_la_LDFLAGS = $(NO_UNDEFINED)\
-         -version-info $(LT_CURRENT):$(LT_REVISION):$(LT_AGE)\
- 	-release $(LT_RELEASE) -export-dynamic
- libgfs2D_la_SOURCES = $(SRC)
--libgfs2D_la_CFLAGS = $(AM_CFLAGS) -DFTT_2D=1
-+libgfs2D_la_CPPFLAGS = $(AM_CPPFLAGS) -DFTT_2D=1
-+libgfs2D_la_LIBADD = $(GTS_LIBS)
- 
- libgfs2D3_la_LDFLAGS = $(NO_UNDEFINED)\
-         -version-info $(LT_CURRENT):$(LT_REVISION):$(LT_AGE)\
- 	-release $(LT_RELEASE) -export-dynamic
- libgfs2D3_la_SOURCES = $(SRC)
--libgfs2D3_la_CFLAGS = $(AM_CFLAGS) -DFTT_2D3=1
-+libgfs2D3_la_CPPFLAGS = $(AM_CPPFLAGS) -DFTT_2D3=1
-+libgfs2D3_la_LIBADD = $(GTS_LIBS)
- 
- CLEANFILES = $(BUILT_SOURCES)
- 
-@@ -139,15 +140,15 @@
- bin_PROGRAMS = gerris2D gerris3D gerris2D3
- 
- gerris2D_SOURCES = gerris.c
--gerris2D_CFLAGS = $(AM_CFLAGS) -DFTT_2D=1
--gerris2D_LDADD = $(GFS2D_LIBS)
-+gerris2D_CPPFLAGS = $(AM_CPPFLAGS) -DFTT_2D=1
-+gerris2D_LDADD = libgfs2D.la
- 
- gerris3D_SOURCES = gerris.c
--gerris3D_LDADD = $(GFS3D_LIBS)
-+gerris3D_LDADD = libgfs3D.la
- 
- gerris2D3_SOURCES = gerris.c
--gerris2D3_CFLAGS = $(AM_CFLAGS) -DFTT_2D3=1
--gerris2D3_LDADD = $(GFS2D3_LIBS)
-+gerris2D3_CPPFLAGS = $(AM_CPPFLAGS) -DFTT_2D3=1
-+gerris2D3_LDADD = libgfs2D3.la
- 
- if DARCS_CONTROLLED
- DARCS_VERSION = darcsversion
diff --git a/sci-libs/gerris/files/gerris-20111123-autotools.patch b/sci-libs/gerris/files/gerris-20111123-autotools.patch
new file mode 100644
index 000000000000..05bd3b5a9bed
--- /dev/null
+++ b/sci-libs/gerris/files/gerris-20111123-autotools.patch
@@ -0,0 +1,96 @@
+--- Makefile.am.orig	2012-01-20 19:59:56.000000000 +0000
++++ Makefile.am	2012-01-21 04:35:19.000000000 +0000
+@@ -28,7 +28,7 @@
+ DARCS_CHANGELOG = 
+ endif
+ 
+-pkglib_SCRIPTS = build_function libtool
++noinst_SCRIPTS = build_function libtool
+ 
+ ChangeLog: $(DARCS_CHANGELOG)
+ 
+--- src/Makefile.am.orig	2012-01-20 19:59:56.000000000 +0000
++++ src/Makefile.am	2012-01-21 05:13:31.000000000 +0000
+@@ -1,10 +1,9 @@
+-## Process this file with automake to produce Makefile.in
++## Process this file with automake to produce Makefile.in
+ 
+ AUTOMAKE_OPTIONS = 1.6
+ 
+-AM_CPPFLAGS = -DGFS_MODULES_DIR=\"$(libdir)/gerris\"
+-
+-INCLUDES = -I$(top_srcdir) -I$(includedir) \
++AM_CPPFLAGS = -DGFS_MODULES_DIR=\"$(libdir)/gerris\" \
++	 -I$(top_srcdir) -I$(includedir) \
+            -DG_LOG_DOMAIN=\"Gfs\" $(GTS_CFLAGS)
+ 
+ bin_SCRIPTS = gfs-config
+@@ -15,7 +14,8 @@
+ 
+ pkgconfigdir = $(libdir)/pkgconfig
+ pkgconfig_DATA = gerris2D.pc gerris3D.pc
+-pkglib_DATA = m4.awk
++pkgawkdir = $(datadir)/gerris
++pkgawk_DATA = m4.awk
+ 
+ lib_LTLIBRARIES = libgfs2D.la libgfs3D.la
+ 
+@@ -119,7 +119,7 @@
+         -version-info $(LT_CURRENT):$(LT_REVISION):$(LT_AGE)\
+ 	-release $(LT_RELEASE) -export-dynamic
+ libgfs2D_la_SOURCES = $(SRC)
+-libgfs2D_la_CFLAGS = $(AM_CFLAGS) -DFTT_2D=1
++libgfs2D_la_CPPFLAGS = $(AM_CPPFLAGS) -DFTT_2D=1
+ libgfs2D_la_LIBADD = $(GTS_LIBS)
+ 
+ CLEANFILES = $(BUILT_SOURCES)
+@@ -132,13 +132,11 @@
+ bin_PROGRAMS = gerris2D gerris3D
+ 
+ gerris2D_SOURCES = gerris.c
+-gerris2D_CFLAGS = $(AM_CFLAGS) -DFTT_2D=1
+-gerris2D_LDADD = $(GFS2D_LIBS)
+-gerris2D_DEPENDENCIES = libgfs2D.la
++gerris2D_CPPFLAGS = $(AM_CPPFLAGS) -DFTT_2D=1
++gerris2D_LDADD = libgfs2D.la
+ 
+ gerris3D_SOURCES = gerris.c
+-gerris3D_LDADD = $(GFS3D_LIBS)
+-gerris3D_DEPENDENCIES = libgfs3D.la
++gerris3D_LDADD = libgfs3D.la
+ 
+ if DARCS_CONTROLLED
+ DARCS_VERSION = darcsversion
+--- configure.in.orig	2012-01-20 19:59:56.000000000 +0000
++++ configure.in	2012-01-23 01:10:36.000000000 +0000
+@@ -348,10 +350,14 @@
+ 
+ # AGMG module requires the gfortran compiler and lapack/blas
+ if test x$with_agmg != xno; then
+-   AC_PROG_FC([gfortran f90 xlf90],90)
+-   AC_CHECK_LIB(lapack, sorg2l_, lapack="true", lapack="false", [-lblas -lm])
++   AC_PROG_FC
++   if [ -z "$LAPACK_LIBS" ]; then
++      AC_CHECK_LIB(lapack, sorg2l_,lapack="true", lapack="false", [-lblas -lm])
++   else
++      LIBS="${LIBS} ${LAPACK_LIBS}"
++   fi
+ fi
+-AM_CONDITIONAL(BUILD_AGMG, test x$FC = xgfortran -a x$lapack = xtrue -a x$with_agmg != xno)
++AM_CONDITIONAL(BUILD_AGMG, test x$with_agmg != xno)
+ 
+ # Build wavewatch module if wavewatch is installed
+ AM_CONDITIONAL(BUILD_WAVEWATCH, test -r $HOME/.wwatch3.env)
+--- doc/examples/Makefile.am.orig	2012-01-20 19:59:56.000000000 +0000
++++ doc/examples/Makefile.am	2012-01-23 02:02:38.000000000 +0000
+@@ -48,7 +48,6 @@
+ 
+ CLEANFILES = $(BUILT_SOURCES) Makefile.deps
+ 
+-pkglib_DATA = gfs2tex.py
+-pkgdata_DATA = gfs.lang gerris.dic gfs-keywords.el gfs-mode.el gfs.sty gfs.hva kaltura.sh gfs.php
++pkgdata_DATA = gfs2tex.py gfs.lang gerris.dic gfs-keywords.el gfs-mode.el gfs.sty gfs.hva kaltura.sh gfs.php
+ 
+ gerris.dic: classes modulesyms.sh $(top_srcdir)/modules/Makefile.am modules.list
+	($(srcdir)/classes && sh $(srcdir)/modulesyms.sh $(top_srcdir)/modules $(pkglibdir)) | sort > gerris.dic
+ 
diff --git a/sci-libs/gerris/gerris-0.8.0.ebuild b/sci-libs/gerris/gerris-0.8.0.ebuild
deleted file mode 100644
index a0fa4fb36d0c..000000000000
--- a/sci-libs/gerris/gerris-0.8.0.ebuild
+++ /dev/null
@@ -1,57 +0,0 @@
-# Copyright 1999-2011 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/sci-libs/gerris/gerris-0.8.0.ebuild,v 1.5 2011/03/02 19:59:23 jlec Exp $
-
-EAPI="1"
-
-DESCRIPTION="The Gerris Flow Solver"
-LICENSE="GPL-2"
-HOMEPAGE="http://gfs.sourceforge.net/"
-SRC_URI="mirror://sourceforge/gfs/${P}.tar.gz"
-
-SLOT="0"
-KEYWORDS="~amd64 ~x86"
-IUSE="doc"
-
-RDEPEND="dev-libs/glib:2
-		>=sci-libs/gts-0.7.4
-		sys-apps/gawk
-		dev-lang/python"
-DEPEND="${RDEPEND}
-		sys-devel/libtool"
-
-src_compile() {
-	# disable explicit building of tutorial
-	sed -e "s:tutorial::" -i doc/Makefile.am || \
-		die "failed to disable building of tutorial"
-	sed -e "s:tutorial::" -i doc/Makefile.in || \
-		die "failed to disable building of tutorial"
-
-	# disable mpi for now, since it causes TEXTRELS
-	# in the shared libs
-	local myconf="--disable-mpi"
-
-	econf ${myconf} || die "configure failed"
-
-	emake || die "make failed"
-}
-
-src_install() {
-	make DESTDIR="${D}" install || die "Install failed"
-
-	dodoc AUTHORS ChangeLog NEWS README THANKS TODO
-
-	# extended documentation
-	if use doc; then
-		dohtml doc/html/*
-
-		insinto /usr/share/doc/${P}/examples
-		doins -r doc/examples/*
-
-		insinto /usr/share/doc/${P}/tutorial
-		doins doc/tutorial/tutorial.pdf
-
-		insinto /usr/share/doc/${P}/faq
-		doins doc/faq/faq.pdf
-	fi
-}
diff --git a/sci-libs/gerris/gerris-0.9.2.ebuild b/sci-libs/gerris/gerris-0.9.2.ebuild
deleted file mode 100644
index a5b79cb621fc..000000000000
--- a/sci-libs/gerris/gerris-0.9.2.ebuild
+++ /dev/null
@@ -1,57 +0,0 @@
-# Copyright 1999-2011 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/sci-libs/gerris/gerris-0.9.2.ebuild,v 1.5 2011/03/02 19:59:23 jlec Exp $
-
-EAPI="1"
-
-DESCRIPTION="The Gerris Flow Solver"
-LICENSE="GPL-2"
-HOMEPAGE="http://gfs.sourceforge.net/"
-SRC_URI="mirror://sourceforge/gfs/${P}.tar.gz"
-
-SLOT="0"
-KEYWORDS="~amd64 ~x86"
-IUSE="doc mpi dx"
-
-RDEPEND="dev-libs/glib:2
-		>=sci-libs/gts-0.7.4
-		sys-apps/gawk
-		dev-lang/python
-		mpi? ( virtual/mpi )
-		dx? ( sci-visualization/opendx )"
-DEPEND="${RDEPEND}
-		sys-devel/libtool"
-
-src_compile() {
-	# disable explicit building of tutorial
-	sed -e "s:tutorial::" -i doc/Makefile.am || \
-		die "failed to disable building of tutorial"
-	sed -e "s:tutorial::" -i doc/Makefile.in || \
-		die "failed to disable building of tutorial"
-
-	econf $(use_enable mpi ) \
-		$(use_enable dx) \
-		|| die "configure failed"
-
-	emake -j1 || die "make failed"
-}
-
-src_install() {
-	make DESTDIR="${D}" install || die "Install failed"
-
-	dodoc AUTHORS ChangeLog NEWS README THANKS TODO
-
-	# extended documentation
-	if use doc; then
-		dohtml doc/html/*
-
-		insinto /usr/share/doc/${P}/examples
-		doins -r doc/examples/*
-
-		insinto /usr/share/doc/${P}/tutorial
-		doins doc/tutorial/tutorial.pdf
-
-		insinto /usr/share/doc/${P}/faq
-		doins doc/faq/faq.pdf
-	fi
-}
diff --git a/sci-libs/gerris/gerris-20080929.ebuild b/sci-libs/gerris/gerris-20080929.ebuild
deleted file mode 100644
index 5ab4428e2af2..000000000000
--- a/sci-libs/gerris/gerris-20080929.ebuild
+++ /dev/null
@@ -1,54 +0,0 @@
-# Copyright 1999-2011 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/sci-libs/gerris/gerris-20080929.ebuild,v 1.4 2011/03/02 19:59:23 jlec Exp $
-
-EAPI="1"
-
-inherit autotools
-
-DESCRIPTION="The Gerris Flow Solver"
-LICENSE="GPL-2"
-HOMEPAGE="http://gfs.sourceforge.net/"
-SRC_URI="mirror://sourceforge/gfs/${P}.tar.gz"
-
-SLOT="0"
-KEYWORDS="~amd64 ~x86"
-IUSE="mpi dx"
-
-RDEPEND="dev-libs/glib:2
-		>=sci-libs/gts-20081607
-		sys-apps/gawk
-		dev-lang/python
-		mpi? ( virtual/mpi )
-		dx? ( sci-visualization/opendx )"
-DEPEND="${RDEPEND}
-		sys-devel/libtool"
-
-RESTRICT="test"
-
-S="${WORKDIR}"/${PN}-snapshot-080929
-
-src_unpack() {
-	unpack ${A}
-	cd "${S}"
-	epatch "${FILESDIR}"/${P}-as-needed.patch
-	eautoreconf
-}
-
-src_compile() {
-	econf $(use_enable mpi ) \
-		$(use_enable dx) \
-		|| die "configure failed"
-
-	emake -j1 || die "make failed"
-}
-
-src_install() {
-	make DESTDIR="${D}" install || die "Install failed"
-
-	dodoc AUTHORS ChangeLog NEWS README THANKS TODO
-
-	insinto /usr/share/doc/${P}/examples
-	rm -f doc/examples/*.pyc || die "Failed to remove python object"
-	doins -r doc/examples/*
-}
diff --git a/sci-libs/gerris/gerris-20100114.ebuild b/sci-libs/gerris/gerris-20100114.ebuild
deleted file mode 100644
index fa72007ad832..000000000000
--- a/sci-libs/gerris/gerris-20100114.ebuild
+++ /dev/null
@@ -1,50 +0,0 @@
-# Copyright 1999-2011 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/sci-libs/gerris/gerris-20100114.ebuild,v 1.3 2011/03/02 19:59:23 jlec Exp $
-
-EAPI=2
-
-inherit autotools eutils
-
-DESCRIPTION="The Gerris Flow Solver"
-LICENSE="GPL-2"
-HOMEPAGE="http://gfs.sourceforge.net/"
-SRC_URI="mirror://sourceforge/gfs/${P}.tar.gz"
-
-SLOT="0"
-KEYWORDS="~amd64 ~x86"
-IUSE="examples mpi"
-
-RDEPEND="dev-libs/glib:2
-	sci-libs/netcdf
-	sci-libs/gsl
-	sci-libs/gts
-	sci-libs/proj
-	mpi? ( virtual/mpi )"
-DEPEND="${RDEPEND}
-	dev-util/pkgconfig"
-
-# test assume it is installed
-RESTRICT="test"
-
-S="${WORKDIR}"/${PN}-snapshot-100114
-
-src_prepare() {
-	epatch "${FILESDIR}"/${P}-autotools.patch
-	eautoreconf
-}
-
-src_configure() {
-	econf $(use_enable mpi)
-}
-
-src_install() {
-	emake DESTDIR="${D}" install || die "emake nstall failed"
-	dodoc AUTHORS ChangeLog NEWS README THANKS TODO
-
-	if use examples; then
-		insinto /usr/share/doc/${PF}/examples
-		rm -f doc/examples/*.pyc || die "Failed to remove python object"
-		doins -r doc/examples/* || die
-	fi
-}
diff --git a/sci-libs/gerris/gerris-20111123.ebuild b/sci-libs/gerris/gerris-20111123.ebuild
new file mode 100644
index 000000000000..df1d2d975243
--- /dev/null
+++ b/sci-libs/gerris/gerris-20111123.ebuild
@@ -0,0 +1,61 @@
+# Copyright 1999-2012 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sci-libs/gerris/gerris-20111123.ebuild,v 1.1 2012/01/23 02:22:14 bicatali Exp $
+
+EAPI=4
+
+inherit autotools eutils flag-o-matic
+
+DESCRIPTION="Gerris Flow Solver"
+HOMEPAGE="http://gfs.sourceforge.net/"
+SRC_URI="http://dev.gentoo.org/~bicatali/distfiles/${P}.tar.gz"
+
+LICENSE="GPL-2"
+
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="examples mpi static-libs"
+
+# all these deps could be optional
+# but the configure.in would have to be modified
+# heavily for the automagic
+RDEPEND="dev-libs/glib:2
+	dev-games/ode
+	sci-libs/netcdf
+	sci-libs/gsl
+	sci-libs/gts
+	sci-libs/hypre
+	sci-libs/lis
+	sci-libs/proj
+	>=sci-libs/fftw-3
+	virtual/lapack
+	mpi? ( virtual/mpi )"
+DEPEND="${RDEPEND}
+	dev-util/pkgconfig"
+
+# test assume it is installed
+#RESTRICT="test"
+
+S="${WORKDIR}"/${P/-20/-snapshot-}
+
+src_prepare() {
+	epatch "${FILESDIR}"/${P}-autotools.patch
+	eautoreconf
+}
+
+src_configure() {
+	append-cppflags "-I${EPREFIX}/usr/include/hypre"
+	econf \
+		$(use_enable mpi) \
+		$(use_enable static-libs static) \
+		LAPACK_LIBS="$(pkg-config --libs lapack)"
+}
+
+src_install() {
+	default
+	if use examples; then
+		insinto /usr/share/doc/${PF}/examples
+		rm -f doc/examples/*.pyc || die "Failed to remove python object"
+		doins -r doc/examples/*
+	fi
+}
diff --git a/sci-libs/gerris/metadata.xml b/sci-libs/gerris/metadata.xml
index 1fdc0811f9c5..14c7a6b771ae 100644
--- a/sci-libs/gerris/metadata.xml
+++ b/sci-libs/gerris/metadata.xml
@@ -2,9 +2,6 @@
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 <herd>sci</herd>
-<use>
-  <flag name='dx'>Enable support for <pkg>sci-visualization/opendx</pkg></flag>
-</use>
 <longdescription lang='en'>
   Gerris Flow Solver is a software program for the solution of the partial
   differential equations describing fluid flow.