Christoph Conrads

> Maybe, for gfortran, we should compile with the flags `-mfpmath=sse -msse2` for testing purpose. I think this will force all computation to be done with 64-bit arithmetic. I am...

> Example: > XEIGTSTZ < zec.in - fails due to underflow in ZLAHQR. > Steps to reproduce: ZGET37 -> knt == 31, ZHSEQR -> ZLAHQR -> at the end of...

@langou , please revert my commits bdcd890a185482119c52dd7acd9a702f0cad782a and d245b4f6ef5ed18cff4ef53d75a96b49f259bc3a. They were piggy-backing onto PR #647 and should not have been part of this pull request. I am sorry for the...

``` stbt05.f:189: internal compiler error: Segmentation fault ``` There is a problem with the Fortran compiler and not with LAPACK. To fix this problem you have to use a different...

> * this is the reference implementation of LAPACK, it is usually more appropriate to use other implementations. Usually but in 2016 for example there was still no 2-by-1 CS...

```cmake if(BUILD_SHARED_LIBS AND BUILD_STATIC_LIBS) ``` There is no `BUILD_STATIC_LIBS` option in CMake. There is no such option in the latest [CMake Variable documentation](https://cmake.org/cmake/help/latest/manual/cmake-variables.7.html) and the CMake developers explicitly stated this...

> Regarding LAPACK, I presume that if your application would benefit from **inlining code from the library**, your problem size is too small to actually benefit from efficient linear algebra...

> Your point about inlining inside the library is interesting. It sounds like something stupid that is just a side-effect. I'll educate me on which functions this affects in what...

> [...] I just checked a autotools/libtool-based project I maintain … > > ``` > ./configure --enable-shared --enable-static > make > ``` > > does build both shared and static...

> So, what about the other changes? I will look at them.