On Wednesday, November 24, 2021 10:28 AM Corinna Vinschen wrote: > On Nov 24 18:14, Takashi Yano via Cygwin wrote: > > On Wed, 24 Nov 2021 17:52:04 +0900 > > Takashi Yano wrote: > > > The printed value is still something wrong... > > > sqrt(2)*1e70 should be an integer value. > > > > I mean... > > > > sqrt(2)*1e70 is actually not an integer, however, double has mantissa > > of only 52 bit. So, (double value)*(5^70*2^70) should be an integer. > > The conversion is a bit inexact, I guess, but that's another problem > of this old ldto, right?
Just in case you didn't notice: Only the first 16 digits of both of Takashi's long numbers are correct. Floating point accuracy? Michael -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
