Informational update on this thread, quadmath looks like it is now available on the M1 with the release of (homebrew) GCC 11.3 and GCC@12.
On Thu, Apr 28, 2022 at 12:16 PM Satish Balay <[email protected]> wrote: > Hm - I don't find quadmath.h on M1 > > compute-macos-240-02:petsc svcpetsc$ which gcc-11 > /opt/homebrew/bin/gcc-11 > compute-macos-240-02:petsc svcpetsc$ find /opt/homebrew -name quadmath.h > -print > compute-macos-240-02:petsc svcpetsc$ > > But I see it on intel box > > compute-macos-240-01:~ balay$ which gcc-11 > /usr/local/bin/gcc-11 > compute-macos-240-01:~ balay$ find /usr/local -name quadmath.h > > /usr/local/Cellar/gcc/11.3.0/lib/gcc/11/gcc/x86_64-apple-darwin21/11/include/quadmath.h > compute-macos-240-01:~ balay$ > > > So perhaps this feature is missing with gcc on M1? > > Satish > > On Thu, 28 Apr 2022, Sanjay Govindjee wrote: > > > I'm trying to set up some computations in quad precision on a > > new Mac (OS 12.3.1, M1 2020) and my homebrew gfortran (11.3.0) is > complaining > > about real (kind=16). In fact selected_real_kind(30,300) returns -1. > > > > Has anyone else encountered this issue? and have a work around? > > > > >
