[Mesa-users] using FreeEOS_builder

[Rob Farmer]

Hi Eb,
I don't have a answer for your problem (as i find the same result) but a
few things I noticed while trying:

The sdk has moved the lapack libraries since those instructions where
written so you should do:

export
 CMAKE_LIBRARY_PATH=$MESASDK_ROOT/lib:$MESASDK_ROOT/math-slots/crmath/lib

(you can see this in your cmake.out file that it found xcode version
instead of the sdk's)

I also needed to do
export FC=$MESASDK_ROOT/bin/gfortran

to get the SDK compiler instead of the system one, though yours seems to
have picked up the sdk compiler. I also needed

export FFLAGS="-std=legacy"

set before calling cmake.

Rob


On Fri, 5 May 2023 at 22:26, Ebraheem Farag via Mesa-users <
mesa-users at lists.mesastar.org> wrote:

> Hello all,
>
> I'm wondering if anyone has used the FreeEOS builder package in MESA
> recently to build new tables or run the test case.
>
> From $MESA_DIR/eos/eosFreeEOS_builder. I have version 2.2.1 downloaded and
> installed following https://cococubed.com/mesa_market/free_eos.html.
>
> I'm in MESA r15140 for this, but it's essentially identical to r22.11.1,
> which I have also tested with identical results. I checked the mesa github
> to see what changed between versions, and it only seems to be related to
> the location of the FreeEOS package.
> ------------------
> The primary issue I am running into is with the test case, where I get an
> error "STOP bfgs_linesearch: internal bracketing logic error" before the
>  './free_eos_table   0.02   0.70   mesa-FreeEOS_02z70x.data' is able to
> write that last few table lines.
>
> I've attached the build and install log, and a text file of test case
> output ./free_eos_table 0.02 0.70 mesa-FreeEOS_02z70x.data
> <https://drive.google.com/file/d/1dmaVTlvS9JtzkcaT3eezpLzxJwAsgxT6/view?usp=gmail>
> .
>
> I know this error is coming from line 715 in 'free_eos-2.2.1/src/bfgs.f',
> but I have little idea what is happening:
>
>      *do* *while*(need345.or.*.not.*acceptable)
>
>         *if*(not_need345) *then*
>
>           *if*(debug) *then*
>
>             *write*(0,*) 'ai, fai, fprimeai = ', ai, fai, fprimeai
>
>             *write*(0,*) 'bi, fbi = ', bi, fbi
>
>             *write*(0,*) 'fai.eq.fmin', fai*.eq.*fmin
>
>             *write*(0,*) 'fai.le.f0+ai*rho*fprime0',
>
>      &        fai*.le.*f0+ai*rho*fprime0
>
>             *write*(0,*) '(bi-ai)*fprimeai.lt.0.d0.and.'//
>
>      &        'abs(fprimeai).gt.-sigma*fprime0 = ',
>
>      &        (bi-ai)*fprimeai*.lt.*0.d0.and.
>
>      &        abs(fprimeai)*.gt.*-sigma*fprime0
>
>             *write*(0,*) 'fbi.gt.f0+bi*rho*fprime0.or.fbi.ge.fai = ',
>
>      &        fbi*.gt.*f0+bi*rho*fprime0.or.fbi*.ge.*fai
>
>           *endif*
>
> C          test assertion given by PMOO, 2.6.3
>
>           *if*(*.not.*(
>
>      &      (fai*.eq.*fmin)*.and.*
>
>      &      (fai*.le.*f0+ai*rho*fprime0)*.and.*
>
>      &      ((bi-ai)*fprimeai*.lt.*0.d0)*.and.*
>
>      &      (abs(fprimeai)*.gt.*-sigma*fprime0)*.and.*
>
>      &      (fbi*.gt.*f0+bi*rho*fprime0.or.fbi*.ge.*fai)))
>
>      &      *stop* 'bfgs_linesearch: internal bracketing logic error'
>
> p.s. I'm on Mac OS 12.6, but I get the same result on Ubuntu 20LTS. I
> rebuilt and ran in multiple MESASDKs on Mac os and Ubuntu from r15140 to
> date, to ensure I get the same result regardless. (The build files look
> identical between each and the test case fails at the same location.)
>
> Any help/advice would be much appreciated, thank you!
>
> -EbF
> _______________________________________________
> mesa-users at lists.mesastar.org
> https://lists.mesastar.org/mailman/listinfo/mesa-users
>
>
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