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from mpmath import zetazero
from timeit import default_timer as clock
def test_zetazero():
cases = [\
(399999999, 156762524.6750591511),
(241389216, 97490234.2276711795),
(526196239, 202950727.691229534),
(542964976, 209039046.578535272),
(1048449112, 388858885.231056486),
(1048449113, 388858885.384337406),
(1048449114, 388858886.002285122),
(1048449115, 388858886.00239369),
(1048449116, 388858886.690745053)
]
for n, v in cases:
print(n, v)
t1 = clock()
ok = zetazero(n).ae(complex(0.5,v))
t2 = clock()
print("ok =", ok, ("(time = %s)" % round(t2-t1,3)))
print("Now computing two huge zeros (this may take hours)")
print("Computing zetazero(8637740722917)")
ok = zetazero(8637740722917).ae(complex(0.5,2124447368584.39296466152))
print("ok =", ok)
ok = zetazero(8637740722918).ae(complex(0.5,2124447368584.39298170604))
print("ok =", ok)
if __name__ == "__main__":
test_zetazero()