|Bill Allombert on Wed, 25 Sep 2013 16:40:27 +0200|
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|Re: Zeta() changes in recent versions?|
On Mon, Sep 23, 2013 at 09:51:57PM -0700, Andrew Walker wrote: > ? gettime;pz(0.1+10*I);gettime > %2 = 187 > ? gettime;pz(0.05+10*I);gettime > %3 = 328 > ? gettime;pz(0.01+10*I);gettime > %4 = 2964 > ? gettime;zeta(0.5+10000*I);gettime > %5 = 93 > ? gettime;zeta(0.5+10000*I);gettime Just an unrelated advice: Avoid use of complex with mixed exactness (ie. the real part is exact and the imaginary part is inexact, or the opposite) : it is almost always better to do pz(.5+10000.0*I) or pz(1/2+10000*I) rather than pz(.5+10000*I) or pz(1/2+10000.0*I) because exact and inexact types have different semantics in PARI, and mixing types lead to mixed semantics which are hard to predict. Cheers, Bill.