[petsc-users] Eigenvalue solver method in Petsc

[Satish Balay]

On Sun, 17 Mar 2013, Barry Smith wrote:

> 
> On Mar 17, 2013, at 5:37 PM, Satish Balay <balay at mcs.anl.gov> wrote:
> 
> > On Sun, 17 Mar 2013, Barry Smith wrote:
> > 
> >> 
> >> On Mar 17, 2013, at 3:51 PM, Satish Balay <balay at mcs.anl.gov> wrote:
> >> 
> >>> On Sun, 17 Mar 2013, Sonya Blade wrote:
> >>> 
> >>>>>>> Cygwin is required to build PETSc, but not to use it.
> >>>>>> How about the MSys interface, which I've already installed.
> >>>>> 
> >>>>> Not currently, as far as I know.
> >>>> 
> >>>>> whats your compiler requirement? And why?
> >>>> I use gfortran which ships with MinGW and with Msys I feel more
> >>>> comfortable.
> >>> 
> >>> Are you looking at sequential use of PETSc - or parallel? I see mpich
> >>> doesn't work with msys/mingw.
> >> 
> >>   And why not.
> > 
> > Sorry - forgot to post this link.
> > http://lists.mcs.anl.gov/pipermail/mpich-discuss/2010-July/007458.html
> > 
> >> It is far more natural than cygwin.
> > 
> > How so? Even python [which is now considered a universal requirement?] doesn't compile on it.
> 
>   Why compile python? Windows already has a perfectly good python to use.

Our build tools don't work with MS paths.

Satish

> 
> > 
> > Satish
> > 
> >> 
> >>> 
> >>> You can try an install of petsc with msys - and see if it works. If not send
> >>> us logs at petsc-maint.
> >>> 
> >>> [its possible things won't work - and you would have to use
> >>> cygwin/gfortran. Presumably it shouldn't conflict with your msys
> >>> install]
> >>> 
> >>> Satish
> >> 
> >> 
> > 
> 
>