summaryrefslogtreecommitdiffstats
path: root/src/H5Adense.c
Commit message (Collapse)AuthorAgeFilesLines
* [svn-r17943] Description:Quincey Koziol2009-12-011-16/+16
| | | | | | | | | | | | | | | | | | | | | | Finish refactoring v2 B-trees so that they can have client callback context provided to the encode/decode callbacks. Tested on: FreeBSD/32 6.3 (duty) in debug mode FreeBSD/64 6.3 (liberty) w/C++ & FORTRAN, in debug mode Linux/32 2.6 (jam) w/PGI compilers, w/default API=1.8.x, w/C++ & FORTRAN, w/threadsafe, in debug mode Linux/64-amd64 2.6 (smirom) w/Intel compilers, w/default API=1.6.x, w/C++ & FORTRAN, in production mode Solaris/32 2.10 (linew) w/deprecated symbols disabled, w/C++ & FORTRAN, w/szip filter, in production mode Linux/64-ia64 2.6 (cobalt) w/Intel compilers, w/C++ & FORTRAN, in production mode Linux/64-ia64 2.4 (tg-login3) w/parallel, w/FORTRAN, in debug mode Linux/64-amd64 2.6 (abe) w/parallel, w/FORTRAN, in production mode Mac OS X/32 10.6.2 (amazon) in debug mode Mac OS X/32 10.6.2 (amazon) w/C++ & FORTRAN, w/threadsafe, in production mode
* [svn-r17893] Descrption:Quincey Koziol2009-11-151-14/+14
| | | | | | | | | | | | | | | | | | | | | | | | | Remove old shim H5B2 routines from refactoring, rename new routines to old routine names and switch all users of the H5B2 interface back to the old routine names now that the switch to using the more current open -> <operation> -> pattern is used for all the H5B2 code. This is the final change before adding a context to the H5B2 client encode/decode callbacks. Tested on: FreeBSD/32 6.3 (duty) in debug mode FreeBSD/64 6.3 (liberty) w/C++ & FORTRAN, in debug mode Linux/32 2.6 (jam) w/PGI compilers, w/default API=1.8.x, w/C++ & FORTRAN, w/threadsafe, in debug mode Linux/64-amd64 2.6 (smirom) w/Intel compilers, w/default API=1.6.x, w/C++ & FORTRAN, in production mode Solaris/32 2.10 (linew) w/deprecated symbols disabled, w/C++ & FORTRAN, w/szip filter, in production mode Linux/64-ia64 2.6 (cobalt) w/Intel compilers, w/C++ & FORTRAN, in production mode Linux/64-ia64 2.4 (tg-login3) w/parallel, w/FORTRAN, in debug mode Linux/64-amd64 2.6 (abe) w/parallel, w/FORTRAN, in production mode Mac OS X/32 10.6.2 (amazon) in debug mode Mac OS X/32 10.6.2 (amazon) w/C++ & FORTRAN, w/threadsafe, in production mode
* [svn-r17887] Description:Quincey Koziol2009-11-141-37/+126
| | | | | | | | | | | | | | | | | | | | | | Convert dense attribute storage to use refactored v2 B-tree routines. Also fix some minor typos in the dense group handling code. Tested on: FreeBSD/32 6.3 (duty) in debug mode FreeBSD/64 6.3 (liberty) w/C++ & FORTRAN, in debug mode Linux/32 2.6 (jam) w/PGI compilers, w/default API=1.8.x, w/C++ & FORTRAN, w/threadsafe, in debug mode Linux/64-amd64 2.6 (smirom) w/Intel compilers, w/default API=1.6.x, w/C++ & FORTRAN, in production mode Solaris/32 2.10 (linew) w/deprecated symbols disabled, w/C++ & FORTRAN, w/szip filter, in production mode Linux/64-ia64 2.6 (cobalt) w/Intel compilers, w/C++ & FORTRAN, in production mode Linux/64-ia64 2.4 (tg-login3) w/parallel, w/FORTRAN, in debug mode Linux/64-amd64 2.6 (abe) w/parallel, w/FORTRAN, in production mode Mac OS X/32 10.6.2 (amazon) in debug mode Mac OS X/32 10.6.2 (amazon) w/C++ & FORTRAN, w/threadsafe, in production mode
* [svn-r17842] Description:Quincey Koziol2009-11-051-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | Further refactor v2 B-tree code toward being able to pass context info down to encode/decode client callbacks: - Separate H5B2_create call to return H5B2_t structure - Make loading the v2 B-tree header pick up the client class from the ID stored in the file. Simplify some internal API calls as a result. Tested on: FreeBSD/32 6.3 (duty) in debug mode FreeBSD/64 6.3 (liberty) w/C++ & FORTRAN, in debug mode Linux/32 2.6 (jam) w/PGI compilers, w/default API=1.8.x, w/C++ & FORTRAN, w/threadsafe, in debug mode Linux/64-amd64 2.6 (smirom) w/Intel compilers, w/default API=1.6.x, w/C++ & FORTRAN, in production mode Solaris/32 2.10 (linew) w/deprecated symbols disabled, w/C++ & FORTRAN, w/szip filter, in production mode Linux/64-ia64 2.6 (cobalt) w/Intel compilers, w/C++ & FORTRAN, in production mode Linux/64-ia64 2.4 (tg-login3) w/parallel, w/FORTRAN, in debug mode Linux/64-amd64 2.6 (abe) w/parallel, w/FORTRAN, in production mode Mac OS X/32 10.6.1 (amazon) in debug mode Mac OS X/32 10.6.1 (amazon) w/C++ & FORTRAN, w/threadsafe, in production mode
* [svn-r17740] Description:Quincey Koziol2009-10-241-11/+13
| | | | | | | | | | | | | | | | | | | | | | | Refactor v2 B-tree code to take creation parameters to H5B2_create() as a struct (instead of individual arguments), call the client's class "cls" instead of "type" internally, and add client class name to client class struct. Tested on: FreeBSD/32 6.3 (duty) in debug mode FreeBSD/64 6.3 (liberty) w/C++ & FORTRAN, in debug mode Linux/32 2.6 (jam) w/PGI compilers, w/default API=1.8.x, w/C++ & FORTRAN, w/threadsafe, in debug mode Linux/64-amd64 2.6 (smirom) w/Intel compilers, w/default API=1.6.x, w/C++ & FORTRAN, in production mode Solaris/32 2.10 (linew) w/deprecated symbols disabled, w/C++ & FORTRAN, w/szip filter, in production mode Linux/64-ia64 2.6 (cobalt) w/Intel compilers, w/C++ & FORTRAN, in production mode Linux/64-ia64 2.4 (tg-login3) w/parallel, w/FORTRAN, in debug mode Linux/64-amd64 2.6 (abe) w/parallel, w/FORTRAN, in production mode Mac OS X/32 10.6.1 (amazon) in debug mode Mac OS X/32 10.6.1 (amazon) w/C++ & FORTRAN, w/threadsafe, in production mode
* [svn-r16473] Purpose: fix problems related to 'self-referential' attributesNeil Fortner2009-02-121-1/+1
| | | | | | | | | | | | Description: When an attribute was created with a datatype or dataspace that was shared in the same object header that the attribute was in, the attribute could not be deleted. Changes made to ensure that the attribute can be deleted both when the attribute is in the object header and when it is shared in the heap. Object header message decode routines now take an "open_oh" parameter to enable them to avoid opening the same object header twice. Tested: jam, smirom (h5committest)
* [svn-r15800] Description:Quincey Koziol2008-10-071-9/+11
| | | | | | | | | | | | | | | | | | | | | | | Bring file free space branch changes through r15795 into trunk, which includes a fair bit of code cleanup & rearrangement along with a couple of bug fixes also. Tested on: Mac OS X/32 10.5.5 (amazon) in debug mode Mac OS X/32 10.5.5 (amazon) w/C++ & FORTRAN, w/threadsafe, in production mode FreeBSD/32 6.3 (duty) in debug mode FreeBSD/64 6.3 (liberty) w/C++ & FORTRAN, in debug mode Linux/32 2.6 (kagiso) w/PGI compilers, w/C++ & FORTRAN, w/threadsafe, in debug mode Linux/64-amd64 2.6 (smirom) w/Intel compilers w/default API=1.6.x, w/C++ & FORTRAN, in production mode Solaris/32 2.10 (linew) w/deprecated symbols disabled, w/C++ & FORTRAN, w/szip filter, in production mode Linux/64-ia64 2.6 (cobalt) w/Intel compilers, w/C++ & FORTRAN, in production mode Linux/64-ia64 2.4 (tg-login3) w/parallel, w/FORTRAN, in production mode Linux/64-amd64 2.6 (abe) w/parallel, w/FORTRAN, in production mode
* [svn-r15628] Description:Quincey Koziol2008-09-161-1/+1
| | | | | | | | | | | | | Remove trailing whitespace from C/C++ source files, with the following script: foreach f (*.[ch] *.cpp) sed 's/[[:blank:]]*$//' $f > sed.out && mv sed.out $f end Tested on: Mac OS X/32 10.5.5 (amazon) No need for h5committest, just whitespace changes...
* [svn-r15395] When an attribute was opened twice and data was written with ↵Raymond Lu2008-07-221-16/+16
| | | | | | | | | | | one of the handles, the file didn't have the data. It happened because each handle had its own object structure, and the empty one overwrote the data with fill value. This is fixed by making some attribute information like the data be shared in the attribute structure. Tested on smirom, kagiso, and linew.
* [svn-r15211] Description:Quincey Koziol2008-06-131-1/+8
| | | | | | | | | | | | | | | | | | | | Update the gcc flags for version 4.3 Clean up warnings Tested on: FreeBSD/32 6.2 (duty) in debug mode FreeBSD/64 6.2 (liberty) w/C++ & FORTRAN, in debug mode Linux/32 2.6 (kagiso) w/PGI compilers, w/C++ & FORTRAN, w/threadsafe, in debug mode Linux/64-amd64 2.6 (smirom) w/default API=1.6.x, w/C++ & FORTRAN, in production mode Linux/64-ia64 2.6 (cobalt) w/Intel compilers, w/C++ & FORTRAN, in production mode Solaris/32 2.10 (linew) w/deprecated symbols disabled, w/C++ & FORTRAN, w/szip filter, in production mode Mac OS X/32 10.5.3 (amazon) in debug mode Linux/64-ia64 2.4 (tg-login3) w/parallel, w/FORTRAN, in production mode
* [svn-r14180] Description:Quincey Koziol2007-10-041-0/+2
| | | | | | | | | | | | | | | | | | | Make H5Aiterate() versioned and change all internal use to H5Aiterate2() Leave some regression tests that exercise H5Aiterate1() Fix attribute display in h5dump & h5ls to be "by name" by default Tested on: FreeBSD/32 6.2 (duty) in debug mode FreeBSD/64 6.2 (liberty) w/C++ & FORTRAN, in debug mode Linux/32 2.6 (kagiso) w/PGI compilers, w/C++ & FORTRAN, w/threadsafe, in debug mode Linux/64 2.6 (smirom) w/default API=1.6.x, w/C++ & FORTRAN, in production mode Solaris/32 2.10 (linew) w/deprecated symbols disabled, w/C++ & FORTRAN, w/szip filter, in production mode Mac OS X/32 10.4.10 (amazon) in debug mode
* [svn-r13989] Description:Quincey Koziol2007-07-191-1/+2
| | | | | | | | | | | Rename H5A_get_version() to H5A_set_version() and actually set the attributes version in the routine. Tested on: Mac OS X/32 10.4.10 (amazon) FreeBSD/32 6.2 (duty) Linux/32 2.6 (chicago) Linux/64 2.6 (chicago2)
* [svn-r13988] Description:Quincey Koziol2007-07-181-0/+3
| | | | | | | | | Fix bug where the version of an attribute would change after it was created, causing the amount of space used to encode it to change. Tested on: Mac OS X/32 10.4.10 (amazon) FreeBSD/32 6.2 (duty)
* [svn-r13926] Description:Quincey Koziol2007-06-291-25/+25
| | | | | | | | | | | | Add small interface to "wrap" a static buffer (usually on the stack), but still allow for buffers larger than the static buffer to be allocated. This can eliminate _many_ short-lived buffer allocations in situations where the buffer is a predictable size (or at least a "very likely" size). Also, some minor code cleanups, particularly in the SOHM caching code. Tested on: Mac OS X/32 10.4.10 (amazon)
* [svn-r13753] Description:Quincey Koziol2007-05-141-20/+19
| | | | | | | | | | | | | Check in "unique, but sharable" optimization to ISOHM code, which allows object header messages that are only used in one object to remain in the sole user's header, but migrates messages that are used in more than one header into the ISOHM heap. Tested on: Mac OS X/32 10.4.9 (amazon) FreeBSD/32 6.2 (duty) Linux/32 2.6 (chicago) Linux/64 2.6 (chicago2)
* [svn-r13742] Description:Quincey Koziol2007-05-101-5/+28
| | | | | | | | | Avoid copying attribute in a few iteration situations. Tested on: Mac OS X/32 10.4.9 (amazon) Linux/32 2.6 (chicago) Linux/64 2.6 (chicago2)
* [svn-r13486] Description:Quincey Koziol2007-03-101-68/+70
| | | | | | | | | Move attribute tracking information out of object header prefix and make it into a message that is inserted only when attributes are present on the object. Tested on: FreeBSD/32 6.2 (duty)
* [svn-r13477] Description:Quincey Koziol2007-03-081-10/+7
| | | | | | | | | | | | | | | | | | | | The main purpose of this checkin was to eliminate the space used for tracking creation time indices when there is no way they can be used (i.e. attributes can't be shared in the file and the user hasn't turned on attribute creation tracking), however there were some other minor changes which crept in: - Fix a cache locking deadlock when a shared attribute and one of its components end up in the same fractal heap direct block. (This is fixed the "slow" way for right now, until John has time to add support for readers/writer locking to the cache. - Optimize attribute copying when a copy will be kept during a v2 B-tree search. - When freeing a block on disk, attempt to merge it with the metadata and "small data" aggregators. Tested on: Mac OS X/32 10.4.8 (amazon) FreeBSD/32 6.2 (duty)
* [svn-r13353] Description:Quincey Koziol2007-02-201-2/+15
| | | | | | | | | | | | Checkpoint progress on H5Aiterate2(). Mark H5Aiterate() as deprecated. Various code cleanups. Tested on: Linux/32 2.6 (chicago) Linux/64 2.6 (chicago2)
* [svn-r13344] Description:Quincey Koziol2007-02-201-28/+112
| | | | | | | | More progress on attribute deletion by index. Tested on: Mac OS X/32 10.4.8 (amazon) FreeBSD/32 6.2 (duty)
* [svn-r13341] Description:Quincey Koziol2007-02-201-2/+233
| | | | | | | Checkpoint "delete by index" code, which is partially finished. Tested on: FreeBSD/32 6.2 (duty)
* [svn-r13287] Description:Quincey Koziol2007-02-131-24/+37
| | | | | | | | | | | | | Add H5Aget_info_by_idx & H5Aget_name_by_idx routines, along with refactoring underlying indices code to handle those sort of queries. Simplify the link callback routines a bit. Minor other cleanups. Tested on: Mac OS X/32 10.4.8 (amazon) FreeBSD/32 6.2 (duty)
* [svn-r13267] Description:Quincey Koziol2007-02-081-70/+64
| | | | | | | | | Add more support for creation order index operations to attributes: get deletions & compact<->dense storage transitions working. Tested on: FreeBSD/32 6.2 (duty) Mac OS X/32 10.4.8 (amazon)
* [svn-r13253] Updated all C and C++ style source code files with the THG ↵Albert Cheng2007-02-071-2/+3
| | | | | | | | | copyright notice. Tested platform: Kagiso only since it is only a comment block change. If it works in one machine, it should work in all, I hope. Still need to check the parallel build on copper.
* [svn-r13250] Description:Quincey Koziol2007-02-071-14/+21
| | | | | | | | | | Add support for inserting attributes into creation order index. Also, update support for dense link & attribute storage in h5debug. Tested on: FreeBSD/32 6.2 (duty) Mac OS X/32 10.4.8 (amazon)
* [svn-r13240] Description:Quincey Koziol2007-02-051-2/+2
| | | | | | | | | | More cleanups on the object header message handling code, to make it easier to work with and move forward on the creation order coding. Various other minor cleanups & warning fixes. Tested on: FreeBSD/32 6.2 (duty)
* [svn-r13232] Description:Quincey Koziol2007-02-041-9/+4
| | | | | | | | | Remove the "scaffolding" for shared message method invocation and simplify the way shared messages are dealt with in general. Tested on: FreeBSD/32 6.2 (duty) Mac OS X/32 10.4.8 (amazon)
* [svn-r13226] Description:Quincey Koziol2007-01-311-40/+58
| | | | | | | | | | Add attributes to the message classes that use the shared message method calling interface, completing the transition. The other mechanism will be removed shortly. Tested on: Mac OS X/32 10.4.8 (amazon) FreeBSD/32 6.2 (duty)
* [svn-r13223] Description:Quincey Koziol2007-01-301-4/+4
| | | | | | | | | | | | Move datatype messages into new shared message method interface Clean up various formatting & compiler warnings Minor optimizations Tested on: Linux/32 2.6 (chicago) Linux/64 2.6 (chicago2)
* [svn-r13155] Description:Quincey Koziol2007-01-191-39/+25
| | | | | | | | | | | | | | Add "set_crt_index" and "get_crt_index" methods for the object header message class. Unify fractal heap definitions for shared messages and attributes, under "object header" fractal heap definitions. Initial code for adding creation order index to object header messages. Tested on: Linux/32 2.6 (chicago) Linux/64 2.6 (chicago2)
* [svn-r13153] Added checksum to superblock and driver info block (in latest ↵James Laird2007-01-181-1/+0
| | | | | | | | | | | version of superblock). Tried to standardize sizes and added #defines to H5Fpkg.h so that hopefully the code is a little easier to read. Of course this is a file format change. Tested on Windows, juniper, smirom, kagiso.
* [svn-r13152] Description:Quincey Koziol2007-01-181-0/+5
| | | | | | | | | | | Add anotherdense/shared attribute test. Clean up minor attribute/object header codelets, in preparation for adding creation index to attributes. Tested on: Mac OS X/32 10.4.8 (amazon) FreeBSD/32 6.2 (duty)
* [svn-r13143] Refactoring.James Laird2007-01-161-14/+29
| | | | | | | | | | | | | | Added can_share callback for OH messages. This determines whether the message is allowed to be shared in the heap (committed and immutable datatypes can't be). Fixed a bug in the dense attribute storage that tried to open the shared message heap when it hadn't been created yet. Made the test to extend shared dataspace messages a bit more robust. Refactored the code the searches a shared message list index to be a little more efficient. A few other minor changes. Tested on smirom, kagiso, Windows, and juniper.
* [svn-r13130] Description:Quincey Koziol2007-01-101-1/+7
| | | | | | | | | Further tests & bugfixes for shared/committed components of shared/un- shared attributes using dense/compact storage. Tested on: Mac OS X/32 10.4.8 (amazon) FreeBSD/32 6.1 (duty)
* [svn-r13128] Description:Quincey Koziol2007-01-091-1/+1
| | | | | | | | | | More progress on address bugs in combinations of shared/committed/unshared components of shared/unshared attributes in compact/dense storage. (Yes, there are a lot of combinations. :-) Tested on: Linux/32 2.6 (chicago) Linux/64 2.6 (chicago2)
* [svn-r13121] Description:Quincey Koziol2007-01-081-1/+21
| | | | | | | | | | Add support & tests for using shared datatypes with shared & un-shared attributes. Involves some fairly icky code to make the "copy on write" paradigm for shared attributes work. Tested on: Linux/32 2.6 (chicago) Linux/64 2.6 (chicago2)
* [svn-r13120] Description:Quincey Koziol2007-01-081-36/+39
| | | | | | | | | | | | | | | | Add support for deleting deleting dense storage when no compact storage will be used. Change shared message's "get heap address" routine to return address in parameter instead of return value, to allow better error detection. Start writing tests for shared attributes which use shared components (datatypes or dataspaces) Tested on: Mac OS X/32 10.4.8 (amazon) FreeBSD/32 6.1 (duty)
* [svn-r13116] Description:Quincey Koziol2007-01-061-21/+119
| | | | | | | | | | | | Add support for deleting all the attributes on an object, when they are dense and possibly shared. Also, add some testing routines, for better error detection. Should fix daily test failures also... Tested on: FreeBSD/32 6.1 (duty)
* [svn-r13104] Description:Quincey Koziol2007-01-031-77/+131
| | | | | | | | | Add support for renaming compact & dense/shared & non-shared attributes in all cases. Tested on: Linux/32 2.6 (chicago) Linux/64 2.6 (chicago2)
* [svn-r13096] Description:Quincey Koziol2007-01-021-46/+64
| | | | | | | | Fix updating values of shared attributes in dense storage & add test. Tested on: Linux/32 2.6 (chicago) Linux/64 2.6 (chicago2)
* [svn-r13095] Description:Quincey Koziol2007-01-021-1/+1
| | | | | | | | | Minor edits on the way to testing writing to shared attributes in dense storage. Tested on: Mac OS X/32 10.4.8 (amazon) Too minor to require h5committest
* [svn-r13079] Description:Quincey Koziol2006-12-191-11/+11
| | | | | | | | | | | | | | | | | | Add more tests for checking that writing to shared attributes works correctly. (Looks like it still has a bug when dense storage is used, which I'll correct shortly). Add testing routine to shared message code, to retrieve reference count for a shared message. Add fractal heap 'op' callback for efficiently computing the hash value of an existing encoded message in the shared message fractal heap. Various minor cleanups and warning placations. Tested on: Linux/32 2.6 (chicago) Linux/64 2.6 (chicago2)
* [svn-r13074] Description:Quincey Koziol2006-12-191-293/+70
| | | | | | | | | | | | | | | | | Add support for opening attributes in dense and/or shared storage by index. Move routines for building and operating on tables of attributes into separate source module. Fix bug where reverting from "dense" to "compact" storage would 'unshare' attributes. Minor code cleanups, etc. Tested on: Linux/32 2.6 (chicago) Linux/64 2.6 (chicago2)
* [svn-r13072] Description:Quincey Koziol2006-12-181-64/+165
| | | | | | | | | Push support for shared attributes into more dark corners of the "dense" attribute storage support. Tested on: Linux/32 2.6 (chicago) Linux/64 2.6 (chicago2)
* [svn-r13065] Added support for copying shared messages (including turning ↵James Laird2006-12-151-1/+1
| | | | | | | | | | | | unshared messages to shared messages and vice versa). Extended objcopy test to test all "permutations" of shared/unshared and new/old group format. If this proves to take a long time to test, I'll go back and have it run fewer tests when HDF5_TEST_EXPRESS is enabled. Tested on smirom, kagiso, copper, and Windows.
* [svn-r13058] Description:Quincey Koziol2006-12-131-4/+4
| | | | | | | | | | | Clean up some shared message operations and other minor tweaks, in the process of trying to solve the messy way that shared object header messages are implemented in general (not James' work - which is fine :-) Tested on: Mac OS X/32 10.4.8 (amazon) FreeBSD/32 4.11 (sleipnir) AIX/32 5.? (copper)
* [svn-r13056] Description:Quincey Koziol2006-12-121-30/+94
| | | | | | | | | | | | | | Add H5SM_type_shared() internal routine to determine if a particular type of header message is sharable in a file. Correct off-by-one error in computing B-tree record size for densely stored attributes' name index. Further progress toward supporting shared attributes in dense storage. Tested on: Linux/32 2.6 (chicago) Linux/64 2.6 (chicago2)
* [svn-r13051] Description:Quincey Koziol2006-12-121-2/+2
| | | | | | | | Minor code neatening, before making snapshot... Tested on: Linux/32 2.6 (chicago) Linux/64 2.6 (chicago2)
* [svn-r13047] Description:Quincey Koziol2006-12-121-1/+64
| | | | | | | | | | | | | | Add "attribute exists" internal routine to make verifying that an attribute with the same name doesn't already exist easier. Tweak "trace" script to produce more whitespace in H5TRACE macros, in order to make them easier to read. Minor other whitespace cleanups Tested on: Linux/32 2.6 (chicago) Linux/64 2.6 (chicago2)
* [svn-r13045] Description:Quincey Koziol2006-12-121-9/+415
| | | | | | | | | | | | | | Switch from using H5L_index_t/H5L_INDEX_<foo> to H5_index_t/H5_INDEX_<foo> in order to accommodate indices on aspects of attributes as well as links. Add basic support for deleting attributes in dense storage (needs more support/tests for shared attributes in dense storage still). Misc. cleanups, etc. Tested on: Linux/32 2.6 (chicago) Linux/64 2.6 (chicago2)
generated by cgit v0.12 at 2024-10-31 13:50:47 (GMT)