LAPACK 3.12.1
=============

Release date: 08/01/25.

This material is based upon work supported by the National Science Foundation
and the Department of Energy.

LAPACK is a software package provided by Univ. of Tennessee, Univ. of
California, Berkeley, Univ. of Colorado Denver and NAG Ltd..


= Support and questions:

http://icl.cs.utk.edu/lapack-forum/

https://github.com/Reference-LAPACK/lapack/

= LAPACK 3.12.1: What's new

 * Download: https://github.com/Reference-LAPACK/lapack/archive/refs/tags/v3.12.1.tar.gz[lapack-3.12.1.tar.gz]


= Bug fixes and other changes


What's Changed

* Enables Fortran before including CheckFortranFunctionExists in CMakeL… by https://github.com/weslleyspereira[@weslleyspereira] in https://github.com/Reference-LAPACK/lapack/pull/948[948]
* Fixes for the NAG Fortran compiler by https://github.com/ACSimon33[@ACSimon33] inhttps://github.com/Reference-LAPACK/lapack/pull/951[951]
* Fixed HAS_ATTRIBUTE_WEAK_SUPPORT flag for CBLAS objects by https://github.com/ACSimon33[@ACSimon33] in https://github.com/Reference-LAPACK/lapack/pull/950[950]
* Fixed memory leak in testing framework by https://github.com/ACSimon33[@ACSimon33] in https://github.com/Reference-LAPACK/lapack/pull/953[953]
* Fixed search phrase for determining the amount of successful tests by https://github.com/ACSimon33[@ACSimon33] in https://github.com/Reference-LAPACK/lapack/pull/954[954]
* handle and document corner cases of lwork in lapack by https://github.com/dklyuchinskiy[@dklyuchinskiy] in https://github.com/Reference-LAPACK/lapack/pull/942[942]
* fix some DMD issues by https://github.com/dklyuchinskiy[@dklyuchinskiy] in https://github.com/Reference-LAPACK/lapack/pull/959[959]
* Remove executable permissions from source files by https://github.com/turboencabulator[@turboencabulator] in https://github.com/Reference-LAPACK/lapack/pull/970[970]
* CMake: restore compatibility with v3.10 and older by https://github.com/christoph-conrads[@christoph-conrads] in https://github.com/Reference-LAPACK/lapack/pull/976[976]
* Re-sync Doxyfile with CMake by https://github.com/turboencabulator[@turboencabulator] in https://github.com/Reference-LAPACK/lapack/pull/978[978]
* Fix Doxygen warnings by https://github.com/turboencabulator[@turboencabulator] in https://github.com/Reference-LAPACK/lapack/pull/979[979]
* {C,Z}LARFGP: re-scale input vector more often by https://github.com/christoph-conrads[@christoph-conrads] in https://github.com/Reference-LAPACK/lapack/pull/981[981]
* Typo by @FrK5E in https://github.com/Reference-LAPACK/lapack/pull/984[984]
* Add Index-64 API as extended API with _64 suffix for LAPACKE by https://github.com/mkrainiuk[@mkrainiuk] in https://github.com/Reference-LAPACK/lapack/pull/888[888]
* Two small fixes of bdsqr by https://github.com/angsch[@angsch] in https://github.com/Reference-LAPACK/lapack/pull/989[989]
* xGEDMD(Q): silence warning with 64-bit integers by https://github.com/christoph-conrads[@christoph-conrads] in https://github.com/Reference-LAPACK/lapack/pull/993[993]
* xSY/HEEVR: clarify use of multiple algorithms by https://github.com/christoph-conrads[@christoph-conrads] inhttps://github.com/Reference-LAPACK/lapack/pull/998[998]
* fix comments by https://github.com/jip[@jip] in https://github.com/Reference-LAPACK/lapack/pull/1004[1004]
* fix comments by https://github.com/jip[@jip] in https://github.com/Reference-LAPACK/lapack/pull/1007[1007]
* #1008 Allow installing binaries to subdirectory while keeping CMake package scripts in the same place by https://github.com/lepus2589[@lepus2589] in https://github.com/Reference-LAPACK/lapack/pull/1009[1009]
* fix LARFB documentation, #1011 by https://github.com/EduardFedorenkov[@EduardFedorenkov] in https://github.com/Reference-LAPACK/lapack/pull/1016[1016]
* fix out-of-bounds access in orhr_col by https://github.com/mgates3[@mgates3] in https://github.com/Reference-LAPACK/lapack/pull/1018[1018]
* Allow User Configuration of RPATH Settings by @ahnaf-tahmid-chowdhury in https://github.com/Reference-LAPACK/lapack/pull/1002[1002]
* changing the order of loop to improve performance by https://github.com/Goddan-wq[@Goddan-wq] in https://github.com/Reference-LAPACK/lapack/pull/1023[1023]
* Use more modern CMake by https://github.com/ACSimon33[@ACSimon33] in https://github.com/Reference-LAPACK/lapack/pull/1022[1022]
* Fix infinite loop when an error occurs in tests ddrvst and sdrvst by https://github.com/cenewcombe[@cenewcombe] in https://github.com/Reference-LAPACK/lapack/pull/1024[1024]
* Configurable type of hidden Fortran strlen arguments by https://github.com/ACSimon33[@ACSimon33] in https://github.com/Reference-LAPACK/lapack/pull/1025[1025]
* develop DLARF1F and implement in ORM2R, #1011 by https://github.com/EduardFedorenkov[@EduardFedorenkov] in https://github.com/Reference-LAPACK/lapack/pull/1019[1019]
* Fix the wrong implementation of the new tests for xblat1.f by https://github.com/cdluminate[@cdluminate] in https://github.com/Reference-LAPACK/lapack/pull/964[964]
* Implementation of dorm2r and dlarf1f by https://github.com/jprhyne[@jprhyne] in https://github.com/Reference-LAPACK/lapack/pull/1020[1020]
* Fix lto type mismatch by https://github.com/ACSimon33[@ACSimon33] in https://github.com/Reference-LAPACK/lapack/pull/1027[1027]
* Fix NAG Fortran compiler flag by https://github.com/ACSimon33[@ACSimon33] in https://github.com/Reference-LAPACK/lapack/pull/1028[1028]
* align documentation of BDSQR workspace with code by https://github.com/dklyuchinskiy[@dklyuchinskiy] in https://github.com/Reference-LAPACK/lapack/pull/1029[1029]
* Fixed usage of uninitialized variables in TESTING by https://github.com/ACSimon33[@ACSimon33] in https://github.com/Reference-LAPACK/lapack/pull/961[961]
* fix few typos and sytrd boundary workspace by https://github.com/dklyuchinskiy[@dklyuchinskiy] in https://github.com/Reference-LAPACK/lapack/pull/1030[1030]
* Implement xGEMMTR and cblas_xGEMMTR by https://github.com/grisuthedragon[@grisuthedragon] in https://github.com/Reference-LAPACK/lapack/pull/887[887]
* Prevent compilers from using FMA instructions by https://github.com/ACSimon33[@ACSimon33] in https://github.com/Reference-LAPACK/lapack/pull/1033[1033]
* Clarify documentation of singularity/rank-deficiency checks by https://github.com/TiborGY[@TiborGY] in https://github.com/Reference-LAPACK/lapack/pull/924[924]
* PR contains bug fixes found in ?tfsm (triangular solve for a RFP matrix) by https://github.com/sergey-v-kuznetsov[@sergey-v-kuznetsov] in https://github.com/Reference-LAPACK/lapack/pull/1042[1042]
* Remove CMake < 3 CMP0042 workarounds by @haampie in https://github.com/Reference-LAPACK/lapack/pull/1040[1040]
* Declare project dependency on C to avoid the CMAKE default of C,C++ by https://github.com/martin-frbg[@martin-frbg] in https://github.com/Reference-LAPACK/lapack/pull/1044[1044]
* DOC:trsly3: Add dtrsyl3/strsyl3 grouping statements by @ilayn in https://github.com/Reference-LAPACK/lapack/pull/1051[1051]
* Add a few forgotten API_SUFFIX wrappers in the recently changed LAPACKE ?TFSM by https://github.com/jprhyne[@martin-frbg] in https://github.com/Reference-LAPACK/lapack/pull/1046[1046]
* Revert "Add a few forgotten API_SUFFIX wrappers in the recently changed LAPACKE ?TFSM" by https://github.com/langou[@langou] in https://github.com/Reference-LAPACK/lapack/pull/1058[1058]
* Revert "Revert "Add a few forgotten API_SUFFIX wrappers in the recently changed LAPACKE ?TFSM"" by https://github.com/weslleyspereira[@weslleyspereira] in https://github.com/Reference-LAPACK/lapack/pull/1059[1059]
* CI: Update the MacOS jobs to use gcc-14 in github workflows by https://github.com/martin-frbg[@martin-frbg] in https://github.com/Reference-LAPACK/lapack/pull/1045[1045]
* fix leading dimension for matrix B in test routine get52 by https://github.com/dklyuchinskiy[@dklyuchinskiy] in https://github.com/Reference-LAPACK/lapack/pull/1064[1064]
* Remove comparison as these conditions are never true by https://github.com/schnorr[@schnorr] in https://github.com/Reference-LAPACK/lapack/pull/1062[1062]
* Use GEMMTR for SY/HE linear updates by https://github.com/angsch[@angsch] in https://github.com/Reference-LAPACK/lapack/pull/1069[1069]
* [Github workflow] Bump scorecard version by https://github.com/angsch[@angsch] in https://github.com/Reference-LAPACK/lapack/pull/1071[1071]
* updating gitignore to ignore the mod files when we compile by https://github.com/jprhyne[@jprhyne] in https://github.com/Reference-LAPACK/lapack/pull/1082[1082]
* Fixing misspelling of 'triangular' in {s,d,c,z}gemmtr.f by https://github.com/jprhyne[@jprhyne] in https://github.com/Reference-LAPACK/lapack/pull/1081[1081]
* Fix line lengths for the extended API by https://github.com/hjjvandam[@hjjvandam] in https://github.com/Reference-LAPACK/lapack/pull/1079[1079]
* Adding a recursive xLARFT by https://github.com/jprhyne[@jprhyne] in https://github.com/Reference-LAPACK/lapack/pull/1080[1080]

= Developer list

.LAPACK developers involved in this release

    * Weslley da Silva Pereira (University of Colorado Denver, USA)
    * Igor Kozachenko (University of California, Berkeley, USA)
    * Julie Langou (University of Tennessee, USA)

.Principal Investigators

    * Jim Demmel (University of California,  Berkeley, USA)
    * Jack Dongarra (University of Tennessee and ORNL, USA)
    * Julien Langou (University of Colorado Denver, USA)

= New Contributors

* @FrK5E made their first contribution in https://github.com/Reference-LAPACK/lapack/pull/984[984]
* @lepus2589 made their first contribution in https://github.com/Reference-LAPACK/lapack/pull/1009[1009]
* @ahnaf-tahmid-chowdhury made their first contribution in https://github.com/Reference-LAPACK/lapack/pull/1002[1002]
* @Goddan-wq made their first contribution in https://github.com/Reference-LAPACK/lapack/pull/1023[1023]
* @cenewcombe made their first contribution in https://github.com/Reference-LAPACK/lapack/pull/1024[1024]
* @cdluminate made their first contribution in https://github.com/Reference-LAPACK/lapack/pull/1964[1964]
* @jprhyne made their first contribution in https://github.com/Reference-LAPACK/lapack/pull/1020[1020]
* @TiborGY made their first contribution in https://github.com/Reference-LAPACK/lapack/pull/924[924]
* @schnorr made their first contribution in https://github.com/Reference-LAPACK/lapack/pull/1062[1062]
* @hjjvandam made their first contribution in https://github.com/Reference-LAPACK/lapack/pull/1079[1079]

**Full Changelog**: https://github.com/Reference-LAPACK/lapack/compare/v3.12.0...v3.12.1

Thanks to all our contributors!

* Special Thanks to the Mathworks team: Penny Anderson, Mary Ann Freeman, Bobby Cheng, Pat Quillen, Christine Tobler, Heiko Weichelt.
* Special Thanks to the AIMdyn Inc. team Igor Mezic and Maria Fonoberova.

The LAPACK team


Thanks you all!

= Bug Fix

 * link:https://github.com/Reference-LAPACK/lapack/milestone/6?closed=1[Closed bugs]
 * link:https://github.com/Reference-LAPACK/lapack/issues?utf8=✓&q=is%3Aissue%20is%3Aopen%20label%3A%22Type%3A%20Bug%22%20[Open bugs]
 * link:https://github.com/Reference-LAPACK/lapack/issues[All open issues]


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