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[svn:einsteintoolkit] www/about/releases/ (Rev. 1491)
by knarf＠cct.lsu.edu 11 Nov '15

11 Nov '15

User: knarf Date: 2015/11/11 02:37 PM Added: /about/releases/ ET_2015_11_announcement.php, ET_2015_11_announcement.txt Log: ET_2015_11 release announcements File Changes: Directory: /about/releases/ =========================== File [added]: ET_2015_11_announcement.php Delta lines: +158 -0 =================================================================== --- about/releases/ET_2015_11_announcement.php (rev 0) +++ about/releases/ET_2015_11_announcement.php 2015-11-11 20:37:10 UTC (rev 1491) @@ -0,0 +1,158 @@ +<?php $title='Release Announcement'; +include_once($_SERVER['DOCUMENT_ROOT'].'/global/header.php');?> + +We are pleased to announce the eleventh release (code name +"<a href="https://en.wikipedia.org/wiki/Mary_Somerville">Somerville</a>") of the +Einstein Toolkit, an open, community developed software infrastructure for +relativistic astrophysics. This release includes, among other things, +improvements to the Cactus flesh, re-writes of the space-time solver McLachlan, +a new GRMHD evolver (IllinoisGRMHD), and a multi-grid elliptic solver working +in Carpet (CTThorns). In addition, bug fixes accumulated since the previous +release in May 2015 have been included. + +The Einstein Toolkit is a collection of software components and tools for +simulating and analyzing general relativistic astrophysical systems that builds +on numerous software efforts in the numerical relativity community including +CactusEinstein, the Carpet AMR infrastructure and the relativistic +magneto-hydrodynamics code GRHydro. The Cactus Framework is used as the underlying +computational infrastructure providing large-scale parallelization, general +computational components, and a model for collaborative, portable code +development. The toolkit includes modules to build complete codes for +simulating black hole spacetimes as well as systems governed by relativistic +magneto-hydrodynamics. + +The Einstein Toolkit uses a distributed software model and its different +modules are developed, distributed, and supported either by the core team of +Einstein Toolkit Maintainers, or by individual groups. Where modules are +provided by external groups, the Einstein Toolkit Maintainers provide quality +control for modules for inclusion in the toolkit and help coordinate support. +The Einstein Toolkit Maintainers currently involve postdocs and faculty from +six different institutions, and host weekly meetings that are open for anyone +to join in. + +Guiding principles for the design and implementation of the toolkit include: +open, community-driven software development; well thought out and stable +interfaces; separation of physics software from computational science +infrastructure; provision of complete working production code; training and +education for a new generation of researchers. + +For more information about using or contributing to the Einstein Toolkit, or to +join the Einstein Toolkit Consortium, please visit our web pages at +<<a href="http://einsteintoolkit.org">http://einsteintoolkit.org</a>>. + +The Einstein Toolkit is primarily supported by NSF +1212401/1212426/1212433/1212460 (Einstein Toolkit), and also by 0905046/0941653 +(PetaCactus) and 0710874 (LONI Grid). + +The Einstein Toolkit contains about 200 regression test cases. On a large +portion of the tested machines, almost all of these test suites pass, using both +MPI and OpenMP parallelization. + +<h4>The changes between this and the previous release include:</h4> + +<ul><li>Larger changes since last release</li></ul> + +<ul> + <li> + Almost all repositories moved from the Einstein Toolkit subversion server + to bitbucket, with the ExternalLibraries being the only exception. Taking + this move as opportunity, some already existing thorns were moved to more + appropriate arrangements.</li> + + <li> + Cactus Flesh + <ul> + <li>While not a particular user-visible change, the Cactus version number was + bumped to 4.3.0, as a new version of Cactus was released at the same time + as this Einstein Toolkit release. + <li>Thorns can specify versions for capabilities they provide, and thorns + using them can depend on specific versions of those. + <li>pthread support got moved into a thorn (ExternalLibraries/pthreads) + </ul> + <li> + McLachlan + <ul> + <li>re-write of the BSSN thorns: some parameter names changed. Backwards + compatible parameter names exist, but the old are deprecated now. Please + switch to the new, more consistent, parameter names. + </ul> + + <li> + New thorns or tools + <ul> + <li>IllinoisGRMHD (and connected thorns): a new GRMHD code within the Einstein + Toolkit. This isn't a drop-in replacement for GRHydro (as a lot of the + functionality, and parameters are different), but should be seen as + alternative. They are placed in the WVUThorns arrangement. + <li>CTThorns: Elliptic solver for Cactus/Carpet. This is a multi-grid solver, + and so far has mostly been used for cosmology-type simulations. + <li>AH2xdmf.py script (new utility within the AHFinderDirect thorn): + reads ASCII AHFinderDirect output files and combines data into hdf5 file + that can easily be visualized as time-series within tools like VisIt + <li>PITTNullCode/SphericalHarmonicReconGen: generic version of SphericalHarmonicRecon + </ul> +</ul> + +<ul><li>How to upgrade from Hilbert (ET_2015_05)</li></ul> + +To upgrade from the previous release, use GetComponents with the new thornlist to check out the new version. Switching to the new branch is not possible for most repositories due to repository moves. + +See the <a href="http://einsteintoolkit.org/download/">Download</a> page on the Einstein Toolkit website for download instructions. + +<ul><li>Remaining issues with this release</li></ul> + +<ul> + <li> Certain machines need to be configured specially in Simfactory because the remote directories cannot be determined automatically just from the user name. See the Machine notes below.</li> + <li> Recovering with Carpet: Carpet stores metadata (such as the simulation time) only for Carpet::max_timelevels time levels, although it is possible to allocate more time levels. These additional time levels then cannot be recovered; the symptom is an assertion failure during recovery. The solution is to either increase Carpet::max_timelevels, or to decrease the number of active time levels.</li> +</ul> + +<ul><li>Machine notes</li></ul> + +Supported (tested) machines include: + +<ul> + <li> Default Debian, Ubuntu, Fedora and MacOS installations</li> + <li> Bethe</li> + <li> Bluewaters *</li> + <li> Carver</li> + <li> Comet</li> + <li> Datura</li> + <li> Edison</li> + <li> Fermi</li> + <li> Galileo</li> + <li> Gordon</li> + <li> Gullimin</li> + <li> Hopper</li> + <li> Nvidia</li> + <li> Philip</li> + <li> Queenbee 2</li> + <li> Shelob</li> + <li> Supermike II</li> + <li> Stampede (CPU) *</li> + <li> Zwicky</li> +</ul> +A * means that a small number of tests fail on that machine. Almost all tests pass on the other machines. +<ul> + <li> Stampede: defs.local.ini needs to have sourcebasedir = $WORK and basedir = $SCRATCH/simulations configured for this machine. You need to determine $WORK and $SCRATCH by logging in to the machine.</li> +</ul> + +All repositories participating in this release carry a branch ET_2015_11 +marking this release. These release branches will be updated if severe +errors are found. + +The "Somerville" Release Team on behalf of the Einstein Toolkit Consortium (2015-11-11) + + +   Steven R. Brandt +   Peter Diener +   Roland Haas +   Ian Hinder +   Frank LÃ¶ffler +   Bruno C. Mundim +   Erik Schnetter +   Barry Wardell + + +November 11, 2015 + +<?php include_once($_SERVER['DOCUMENT_ROOT'].'/global/footer.php');?> File [added]: ET_2015_11_announcement.txt Delta lines: +156 -0 =================================================================== --- about/releases/ET_2015_11_announcement.txt (rev 0) +++ about/releases/ET_2015_11_announcement.txt 2015-11-11 20:37:10 UTC (rev 1491) @@ -0,0 +1,156 @@ +We are pleased to announce the twelfth release (code name "Somerville") of the +Einstein Toolkit, an open, community developed software infrastructure for +relativistic astrophysics. + +This release includes, among other things, +In addition, bug fixes accumulated since the previous release in May +2015 have been included. + +For more detailed information about the "Somerville" release please read +the long release announcement on the Einstein Toolkit web pages: +http://einsteintoolkit.org/about/releases/ET_2015_11_announcement.php. + +The Einstein Toolkit is a collection of software components and tools for +simulating and analyzing general relativistic astrophysical systems that builds +on numerous software efforts in the numerical relativity community including +CactusEinstein, the Carpet AMR infrastructure and the relativistic +magneto-hydrodynamics code GRHydro. The Cactus Framework is used as the underlying +computational infrastructure providing large-scale parallelization, general +computational components, and a model for collaborative, portable code +development. The toolkit includes modules to build complete codes for +simulating black hole spacetimes as well as systems governed by relativistic +magneto-hydrodynamics. + +The Einstein Toolkit uses a distributed software model and its different +modules are developed, distributed, and supported either by the core team of +Einstein Toolkit Maintainers, or by individual groups. Where modules are +provided by external groups, the Einstein Toolkit Maintainers provide quality +control for modules for inclusion in the toolkit and help coordinate support. +The Einstein Toolkit Maintainers currently involve postdocs and faculty from +six different institutions, and host weekly meetings that are open for anyone +to join in. + +Guiding principles for the design and implementation of the toolkit include: +open, community-driven software development; well thought out and stable +interfaces; separation of physics software from computational science +infrastructure; provision of complete working production code; training and +education for a new generation of researchers. + +For more information about using or contributing to the Einstein Toolkit, or to +join the Einstein Toolkit Consortium, please visit our web pages at +http://einsteintoolkit.org. + +The Einstein Toolkit is primarily supported by NSF +1212401/1212426/1212433/1212460 (Einstein Toolkit), and also by 0905046/0941653 +(PetaCactus) and 0710874 (LONI Grid). + +The Einstein Toolkit contains about 200 regression test cases. On a large +portion of the tested machines, almost all of these test suites pass, using both +MPI and OpenMP parallelization. + +The changes between this and the previous release include: + +=== Larger changes since last release === + +* Almost all repositories moved from the Einstein Toolkit subversion server + to bitbucket, with the ExternalLibraries being the only exception. Taking + this move as opportunity, some already existing thorns were moved to more + appropriate arrangements. + +* Cactus Flesh + - While not a particular user-visible change, the Cactus version number was + bumped to 4.3.0, as a new version of Cactus was released at the same time + as this Einstein Toolkit release. + - Thorns can specify versions for capabilities they provide, and thorns + using them can depend on specific versions of those. + - pthread support got moved into a thorn (ExternalLibraries/pthreads) +* McLachlan + - re-write of the BSSN thorns: some parameter names changed. Backwards + compatible parameter names exist, but the old are deprecated now. Please + switch to the new, more consistent, parameter names. + + +* New thorns or tools + - IllinoisGRMHD (and connected thorns): a new GRMHD code within the Einstein + Toolkit. This isn't a drop-in replacement for GRHydro (as a lot of the + functionality, and parameters are different), but should be seen as + alternative. They are placed in the WVUThorns arrangement. + - CTThorns: Elliptic solver for Cactus/Carpet. This is a multi-grid solver, + and so far has mostly been used for cosmology-type simulations. + - AH2xdmf.py script (new utility within the AHFinderDirect thorn): + reads ASCII AHFinderDirect output files and combines data into hdf5 file + that can easily be visualized as time-series within tools like VisIt + - PITTNullCode/SphericalHarmonicReconGen: generic version of SphericalHarmonicRecon + +=== How to upgrade from Hilbert (ET_2015_05) === + +To upgrade from the previous release, use GetComponents with the new thornlist +to check out the new version. Switching to the new branch is not possible for +most repositories due to repository moves. + +See the [http://einsteintoolkit.org/download Download] page on the Einstein +Toolkit website for download instructions. + +=== Remaining issues with this release === + +* Certain machines need to be configured specially in Simfactory because the + remote directories cannot be determined automatically just from the user + name. See the Machine notes below. + +* Recovering with Carpet: Carpet stores metadata (such as the simulation time) + only for Carpet::max_timelevels time levels, although it is possible to + allocate more time levels. These additional time levels then cannot be + recovered; the symptom is an assertion failure during recovery. The solution + is to either increase Carpet::max_timelevels, or to decrease the number of + active time levels. + +=== Machine notes === + +Supported (tested) machines include: + +- Default Debian, Ubuntu, Fedora and MacOS installations +- Bethe +- Bluewaters * +- Carver +- Comet +- Datura +- Edison +- Fermi +- Galileo +- Gordon +- Gullimin +- Hopper +- Nvidia +- Philip +- Queenbee 2 +- Shelob +- Supermike II +- Stampede (CPU) * +- Zwicky + +A * means that a small number of tests fail on that machine. Almost all tests +pass on the other machines. + +* Stampede: defs.local.ini needs to have sourcebasedir = $WORK and basedir = + $SCRATCH/simulations configured for this machine. You need to determine + $WORK and $SCRATCH by logging in to the machine. + +All repositories participating in this release carry a branch ET_2015_11 +marking this release. These release branches will be updated if severe +errors are found. + +The "Somerville" Release Team on behalf of the Einstein Toolkit Consortium +(2015-11-11) + + +Steven R. Brandt +Peter Diener +Roland Haas +Ian Hinder +Frank LÃ¶ffler +Bruno C. Mundim +Erik Schnetter +Barry Wardell + +November 11, 2015 +

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commit/manifest: knarrff: release thornlist
by Bitbucket 10 Nov '15

10 Nov '15

1 new commit in manifest: https://bitbucket.org/einsteintoolkit/manifest/commits/ac121c1c4946/ Changeset: ac121c1c4946 Branch: ET_2015_11 User: knarrff Date: 2015-11-10 20:26:01+00:00 Summary: release thornlist Affected #: 1 file Repository URL: https://bitbucket.org/einsteintoolkit/manifest/ -- This is a commit notification from bitbucket.org. You are receiving this because you have the service enabled, addressing the recipient of this email.

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[ianhinder/Kranc]
by knarrff 10 Nov '15

10 Nov '15

Branch: refs/heads/ET_2015_11 Home: https://github.com/ianhinder/Kranc

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[barrywardell/EinsteinExact]
by knarrff 10 Nov '15

10 Nov '15

Branch: refs/heads/ET_2015_11 Home: https://github.com/barrywardell/EinsteinExact

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[svn:einsteintoolkit] tools/trunk/VirtualBox/ (Rev. 35)
by knarf＠cct.lsu.edu 09 Nov '15

09 Nov '15

User: knarf Date: 2015/11/09 11:18 AM Modified: /trunk/VirtualBox/ create_ET Log: make Jessie the default File Changes: Directory: /trunk/VirtualBox/ ============================= File [modified]: create_ET Delta lines: +4 -4 =================================================================== --- trunk/VirtualBox/create_ET 2015-11-09 17:17:41 UTC (rev 34) +++ trunk/VirtualBox/create_ET 2015-11-09 17:18:12 UTC (rev 35) @@ -9,11 +9,11 @@ #DIST=wheezy #URL=http://cdimage.debian.org/mirror/cdimage/archive/7.8.0/amd64/iso-cd/debian-7.8.0-amd64-netinst.iso -#DIST=jessie -#URL=http://cdimage.debian.org/debian-cd/8.2.0/amd64/iso-cd/debian-8.2.0-amd64-netinst.iso +DIST=jessie +URL=http://cdimage.debian.org/debian-cd/8.2.0/amd64/iso-cd/debian-8.2.0-amd64-netinst.iso -DIST=trusty -URL=http://archive.ubuntu.com/ubuntu/dists/trusty-updates/main/installer-amd64/current/images/netboot/mini.iso +#DIST=trusty +#URL=http://archive.ubuntu.com/ubuntu/dists/trusty-updates/main/installer-amd64/current/images/netboot/mini.iso CD_DST=${DIST}_$RELEASE rm -rf $CD_DST

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[svn:einsteintoolkit] tools/trunk/VirtualBox/ (Rev. 34)
by knarf＠cct.lsu.edu 09 Nov '15

09 Nov '15

User: knarf Date: 2015/11/09 11:17 AM Modified: /trunk/VirtualBox/ create_ET, preseed.cfg Log: changes for Ubuntu VM File Changes: Directory: /trunk/VirtualBox/ ============================= File [modified]: create_ET Delta lines: +29 -6 =================================================================== --- trunk/VirtualBox/create_ET 2015-05-09 16:56:55 UTC (rev 33) +++ trunk/VirtualBox/create_ET 2015-11-09 17:17:41 UTC (rev 34) @@ -6,26 +6,48 @@ exit 1 fi -DIST=wheezy -URL=http://cdimage.debian.org/mirror/cdimage/archive/7.8.0/amd64/iso-cd/debian-7.8.0-amd64-netinst.iso +#DIST=wheezy +#URL=http://cdimage.debian.org/mirror/cdimage/archive/7.8.0/amd64/iso-cd/debian-7.8.0-amd64-netinst.iso + #DIST=jessie -#URL=http://cdimage.debian.org/debian-cd/8.0.0/amd64/iso-cd/debian-8.0.0-amd64-netinst.iso +#URL=http://cdimage.debian.org/debian-cd/8.2.0/amd64/iso-cd/debian-8.2.0-amd64-netinst.iso +DIST=trusty +URL=http://archive.ubuntu.com/ubuntu/dists/trusty-updates/main/installer-amd64/current/images/netboot/mini.iso + CD_DST=${DIST}_$RELEASE rm -rf $CD_DST mkdir $CD_DST wget -cN $URL bsdtar -C $CD_DST -xf `basename $URL` chmod -R +w $CD_DST + +if [ -d $CD_DST/isolinux ]; then + ISOLINUX=isolinux/ +fi cd $CD_DST -perl -pi -e 's/initrd\.gz/initrd\.gz auto-install\/enable=true preseed\/file=\/cdrom\/preseed.cfg/' isolinux/txt.cfg -perl -pi -e 's/timeout 0/timeout 1/' isolinux/isolinux.cfg +perl -pi -e 's/initrd\.gz/initrd\.gz auto-install\/enable=true debconf\/priority=critical preseed\/file=\/cdrom\/preseed.cfg/' ${ISOLINUX}txt.cfg +perl -pi -e 's/timeout 0/timeout 1/' ${ISOLINUX}isolinux.cfg cp ../preseed.cfg ../postseed . mkdir et_misc cp ../install_$RELEASE et_misc/ md5sum `find ! -name "md5sum.txt" ! -path "./isolinux/*" -follow -type f` > md5sum.txt + +# Ubuntu's mini.iso does not mount the iso image itself during installation, so we have to +# copy stuff directly into the initrd +if [ `basename "$URL"` == "mini.iso" ]; then + mkdir new_initrd + cd new_initrd + # copy stuff over - Ubuntu seems to ignore the given location of preseed.cfg and always + # expects it in the root of the initrd. Also strip mirror information from the file to + # remove the debian-specific mirror + zcat ../initrd.gz | fakeroot bash -c 'cpio --extract; mkdir cdrom; cp -r ../postseed ../et_misc cdrom/; grep -v mirror ../preseed.cfg > preseed.cfg; find . | cpio -o -H newc | gzip > ../initrd.gz' + cd .. + rm -rf new_initrd +fi + cd .. -genisoimage -o ${DIST}_$RELEASE.iso -r -J -no-emul-boot -boot-load-size 4 -boot-info-table -b isolinux/isolinux.bin -c isolinux/boot.cat $CD_DST +genisoimage -o ${DIST}_$RELEASE.iso -r -J -no-emul-boot -boot-load-size 4 -boot-info-table -b ${ISOLINUX}isolinux.bin -c ${ISOLINUX}boot.cat $CD_DST rm -rf $CD_DST VMNAME=${DIST}_$RELEASE @@ -50,4 +72,5 @@ VBoxManage modifyvm $VMNAME --nic1 nat --nictype1 82540EM VBoxManage modifyvm $VMNAME --natpf1 "ssh,tcp,,2222,,22" VBoxManage modifyvm $VMNAME --audio alsa +VBoxManage modifyvm $VMNAME --boot1 disk --boot2 dvd --boot3 net --boot4 none VBoxManage startvm $VMNAME File [modified]: preseed.cfg Delta lines: +4 -2 =================================================================== --- trunk/VirtualBox/preseed.cfg 2015-05-09 16:56:55 UTC (rev 33) +++ trunk/VirtualBox/preseed.cfg 2015-11-09 17:17:41 UTC (rev 34) @@ -1,3 +1,4 @@ +#d-i espeakup/voice string en d-i debian-installer/locale string en_US d-i console-keymaps-at/keymap select us d-i debian-installer/keymap string us @@ -7,7 +8,7 @@ d-i netcfg/get_hostname string et-vm-debian d-i netcfg/get_domain string local d-i mirror/country string manual -d-i mirror/http/hostname string mirror.steadfast.net +d-i mirror/http/hostname string httpredir.debian.org d-i mirror/http/directory string /debian d-i mirror/http/proxy string d-i passwd/root-password password et @@ -16,6 +17,7 @@ d-i passwd/username string et d-i passwd/user-password password et d-i passwd/user-password-again password et +d-i user-setup/allow-password-weak boolean true d-i clock-setup/utc boolean true d-i time/zone string US/Central #d-i partman-auto/init_automatically_partition select biggest_free @@ -43,4 +45,4 @@ #d-i debian-installer/exit/poweroff boolean true pularity-contest popularity-contest/participate boolean false d-i preseed/late_command string cp /cdrom/postseed /target/etc/init.d/; chroot /target update-rc.d postseed defaults; cp -r /cdrom/et_misc /target/home/et/misc -d-i pkgsel/include string sudo perl python subversion git gfortran g++ libfftw3-dev libgsl0-dev libatlas-base-dev libjpeg-dev libssl-dev libhdf5-serial-dev libopenmpi-dev openmpi-bin make +d-i pkgsel/include string sudo perl python subversion git gfortran g++ libfftw3-dev libgsl0-dev libatlas-base-dev libjpeg-dev libssl-dev libhdf5-serial-dev hdf5-tools libopenmpi-dev openmpi-bin make

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commit/WVUThorns: zach_etienne: IllinoisGRMHD: frozen boundary conditions must be called frozen, not freeze
by Bitbucket 05 Nov '15

05 Nov '15

1 new commit in WVUThorns: https://bitbucket.org/zach_etienne/wvuthorns/commits/7fb87d05442c/ Changeset: 7fb87d05442c Branch: master User: zach_etienne Date: 2015-11-06 03:30:05+00:00 Summary: IllinoisGRMHD: frozen boundary conditions must be called frozen, not freeze Affected #: 1 file Repository URL: https://bitbucket.org/zach_etienne/wvuthorns/ -- This is a commit notification from bitbucket.org. You are receiving this because you have the service enabled, addressing the recipient of this email.

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[ianhinder/Kranc] ff6342: Chemora: Implement copysign.
by David M. Koppelman 02 Nov '15

02 Nov '15

Branch: refs/heads/dmk-chemora Home: https://github.com/ianhinder/Kranc Commit: ff6342f88dc297a6189dfa93c0fb98abfd44a7e4 https://github.com/ianhinder/Kranc/commit/ff6342f88dc297a6189dfa93c0fb98abf… Author: David M. Koppelman <koppel(a)ece.lsu.edu> Date: 2015-11-02 (Mon, 02 Nov 2015) Changed paths: M Tools/CodeGen/Kranc.m M Tools/CodeGen/KrancScript.m Log Message: ----------- Chemora: Implement copysign.

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[ianhinder/Kranc] 510d80: Chemora Ticket 169: Chemora: Handle EDL conditiona...
by David M. Koppelman 01 Nov '15

01 Nov '15

Branch: refs/heads/dmk-chemora Home: https://github.com/ianhinder/Kranc Commit: 510d802c08f0fd0a67008abbb51ea936d6a27089 https://github.com/ianhinder/Kranc/commit/510d802c08f0fd0a67008abbb51ea936d… Author: David M. Koppelman <koppel(a)ece.lsu.edu> Date: 2015-11-01 (Sun, 01 Nov 2015) Changed paths: M Auxiliary/Cactus/SourceFiles/Kranc.hh M Tools/CodeGen/CodeGenKranc.m M Tools/CodeGen/Kranc.m M Tools/CodeGen/KrancScript.m Log Message: ----------- Chemora Ticket 169: Chemora: Handle EDL conditional (if/then) expressions. Chemora: Implement and and or precedence and assoc; eliminate RawList.

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[ianhinder/Kranc] 6b4a64: Chemora Ticket 169: Chemora: Handle EDL conditiona...
by David M. Koppelman 01 Nov '15

01 Nov '15

Branch: refs/heads/dmk-chemora Home: https://github.com/ianhinder/Kranc Commit: 6b4a646e2b5e9699877a9b932457e56518c27cd4 https://github.com/ianhinder/Kranc/commit/6b4a646e2b5e9699877a9b932457e5651… Author: David M. Koppelman <koppel(a)ece.lsu.edu> Date: 2015-11-01 (Sun, 01 Nov 2015) Changed paths: M Auxiliary/Cactus/SourceFiles/Kranc.hh M Tools/CodeGen/Kranc.m M Tools/CodeGen/KrancScript.m Log Message: ----------- Chemora Ticket 169: Chemora: Handle EDL conditional (if/then) expressions. Use ChemoraOpEqual and ChemoraOpNotEqual instead of Equal and Unequal to avoid premature mapping. MMA won't map Greater["a","a"] but it will map Equal["a",0] (to False). process: Use ChemoraOpEqual and ChemoraOpNotEqual. Kranc.hh: CPP macros ChemoraOpEqual, ChemoraOpNotEqual: New. Kranc.m: Add symbols for ChemoraOpNotEqual, ChemoraOpNotEqual.

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