Continued fraction: Difference between revisions
→{{header|Haskell}}
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Line 1,474:
pi: 3.141623806667839
</pre>
=={{header|Groovy}}==
{{trans|Java}}
<lang groovy>import java.util.function.Function
import static java.lang.Math.pow
class Test {
static double calc(Function<Integer, Integer[]> f, int n) {
double temp = 0
for (int ni = n; ni >= 1; ni--) {
Integer[] p = f.apply(ni)
temp = p[1] / (double) (p[0] + temp)
}
return f.apply(0)[0] + temp
}
static void main(String[] args) {
List<Function<Integer, Integer[]>> fList = new ArrayList<>()
fList.add({ n -> [n > 0 ? 2 : 1, 1] })
fList.add({ n -> [n > 0 ? n : 2, n > 1 ? (n - 1) : 1] })
fList.add({ n -> [n > 0 ? 6 : 3, (int) pow(2 * n - 1, 2)] })
for (Function<Integer, Integer[]> f : fList)
System.out.println(calc(f, 200))
}
}</lang>
{{out}}
<pre>1.4142135623730951
2.7182818284590455
3.141592622804847</pre>
=={{header|Haskell}}==
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