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return the sum earlier on convergence

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Ahmet Inan 2018-03-03 12:17:53 +01:00
commit f1f34d1123
1 changed files with 2 additions and 1 deletions
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@ -80,7 +80,8 @@ class Kaiser
// double: 35 iterations
for (int n = 1; n < 35; ++n) {
TYPE tmp = x / TYPE(2 * n);
sum(val *= tmp * tmp);
if (sum.same(val *= tmp * tmp))
return sum();
}
return sum();
}