[GiNaC-list] Problem: Floating point overflow

Sheplyakov Alexei varg at theor.jinr.ru
Thu Mar 29 14:19:04 CEST 2007


On Thu, Mar 29, 2007 at 01:37:32PM +0200, Chris.Dams at mi.infn.it wrote:
> > 2) Is it possible to stop ginac tries to evaluate the numeric expressions?
> Yes, but not from a string. In normal code you can type
> sin(sin(sin(sin(log(-0.760).hold()))))

I used to think that GiNaC does not evaluate expressions numerically
unless evalf() is called. Apparently this is not true. I think this
is a bug which should be fixed.

Best regards,

All science is either physics or stamp collecting.

-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 827 bytes
Desc: Digital signature
Url : http://www.cebix.net/pipermail/ginac-list/attachments/20070329/94db998c/attachment.pgp

More information about the GiNaC-list mailing list