Pythagorean quadruples: Difference between revisions
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→{{header|Sidef}}: updated code -- sqrtmod(a,m) is now built-in
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m (→{{header|Sidef}}: updated code -- sqrtmod(a,m) is now built-in) |
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=={{header|Sidef}}==
<lang ruby># Finds all solutions (a,b) such that: a^2 + b^2 = n^2▼
▲# Finds all solutions (a,b) such that: a^2 + b^2 = n^2
func sum_of_two_squares(n) is cached {
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for p,e in (prime_powers) {
var pp = p**e
var r =
take([[r, pp], [pp - r, pp]])
}
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