[petsc-dev] default SNES rtol for single precision builds

[Jed Brown]

On Tue, Sep 20, 2011 at 15:16, Barry Smith <bsmith at mcs.anl.gov> wrote:

>  But they don't have the sqrt versions.


If only there was a way to get a computer to calculate a square root, some
kind of computational procedure starting with a number and producing its
square root...
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