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When calling the dgbtrs' function of LAPACK, there is a DGER function. How should the parameter 1 be passed? When I passed it, I tried many methods, saying that the...

Type: Question

I believe I found a bug in `LAPACK` in `svd(.)` / `dgesdd` function: ### Problem description R routine `svd(.)` from `LAPACK` crashes in `dgesdd` on a full rank matrix with...

Type: Bug

PR #702 fixed a problem that could be avoided by using more strict flags in the CI. This PR: - Applies explicit type casts all over the library (not including...

Is their any interest in simplifying the [`lsame`](https://github.com/Reference-LAPACK/lapack/blob/master/INSTALL/lsame.f) function using F95 intrinsics? ```fortran ! lsame_example.f ! compile with: gfortran -Wall -std=f95 -o lsame_example lsame_example.f pure logical function lsame( ca, cb...

Closes #695. Revert "SORCSD2BY1: remove dead code" This reverts commit d245b4f6ef5ed18cff4ef53d75a96b49f259bc3a. Revert "SORCSD: fix documentation on matrix dimensions" This reverts commit bdcd890a185482119c52dd7acd9a702f0cad782a. Keep corrections in the documentation, which make sense.

**Description** We had an issue where we need architecture flags for the Nagfor compiler to run on Apple Silicon. Those flags are defined from the outside build harness via: `-DCMAKE_Fortran_FLAGS="-Wc,-target,arm64-apple-macos11"`...

(S/C/D/Z)TGSJA are calling FORTRAN INTRINSIC HUGE Shall we replace with (S/D)LAMCH( 'Overflow' ) instead?

As described in "A new deflation criterion for the QZ algorithm" T. Steel, R. Vandebril and J. Langou (https://arxiv.org/abs/2208.02057) When testing for infinite eigenvalues in the QZ algorithm, the normwise...

HEAD has an increased number of numerical failures compared to ca. 1/2 year ago. Note that the errors do not make CI mark the run as failed. Now it is...

Type: Bug

This pull request adds a generalized singular value decomposition computed by means of a QR decomposition with column pivoting and the 2-by-1 CS decomposition to LAPACK. The PR requires #405....