Eisenstein primes: Difference between revisions
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SqrtNegInf (talk | contribs) (Added Perl (in the right place)) |
(Added Sidef) |
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=={{header|Raku}}==
<syntaxhighlight lang="
my \ω = exp 2i × π/3;
Line 414:
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+6.5000 -4.3301i -0.5000 +7.7942i +7.0000 -3.4641i +0.5000 +7.7942i
</pre>
=={{header|Sidef}}==
{{trans|Raku}}
<syntaxhighlight lang="ruby" line>class Eisenstein(a, b, w = (-1 + sqrt(3).i)/2) {
method norm {
a**2 - a*b + b**2
}
method to_s {
sprintf('%+8.4f%+8.4fi', reals(a + b*w))
}
}
var E = []
for e in (-10..10 ~X -10..10 -> map_2d {|x,y| Eisenstein(x,y) }) {
var c = [e.a,e.b].map{.abs}.max
if (
((0 ~~ [e.a, e.b]) || (e.a == e.b)) ?
(c.is_congruent(2,3) && c.is_prime) : e.norm.is_prime
) {
E << e
}
}
E.sort_by { .norm }.first(100).slices(4).each {|s|
say s.join(' ')
}</syntaxhighlight>
{{out}}
<pre>
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</pre>
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