Euler's constant 0.5772...: Difference between revisions
Add Scala implementation
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<pre>
Euler's gamma constant: 0.5772156649015328
</pre>
=={{header|Scala}}==
<syntaxhighlight lang="Scala">
/**
* Using a simple formula derived from Hurwitz zeta function,
* as described on https://en.wikipedia.org/wiki/Euler%27s_constant,
* gives a result accurate to 11 decimal places: 0.57721566490...
*/
object EulerConstant extends App {
println(gamma(1_000_000))
private def gamma(N: Int): Double = {
val sumOverN = (1 to N).map(1.0 / _).sum
sumOverN - Math.log(N) - 1.0 / (2 * N)
}
}
</syntaxhighlight>
{{out}}
<pre>
0.5772156649007153
</pre>
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