[petsc-users] Does normal PC support --with-precision==_float128

Jed Brown jedbrown at mcs.anl.gov
Sun Aug 11 20:22:01 CDT 2013


丁老师 <ztdepyahoo at 163.com> writes:

> I use bicgstab solver.  i think float128 means a float number with 128
> bit. it is more accurate than normal double float number.

Yes, this works as long as you use a PETSc preconditioner rather than an
external package.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 835 bytes
Desc: not available
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20130811/2724e344/attachment.pgp>


More information about the petsc-users mailing list