default(realprecision,38);
allocatemem(20*10^6);
zeta(3+O(5^10))
zeta(1 + I/100)
zeta(1000.5)
zeta(1000)
zeta(100)
zeta(31)
zeta(100+100*I)
zeta(60+I)
zeta(-1000+I)
zeta(2+O(2^10))
zeta(2^64)
zeta(-2^64)
iferr(zeta(-1-2^64),E,E)
zeta(2+1e-101*I)
zeta(1.01)
zeta(1e-32)
zeta(50.5)
zeta(-2.5)
zeta(O(x))
default(seriesprecision,3)
zeta(1+x)
zeta(1/2+I*x+O(x^2))
localprec(19); zeta''(0)
