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Ingy döt Net 2013-04-10 23:57:08 -07:00
parent 47bf37c096
commit b83f433714
12433 changed files with 156208 additions and 123 deletions
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Task/Nth-root/D/nth-root.d Normal file
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import std.stdio, std.math;
real nthroot(in int n, in real A, in real p=0.001) pure nothrow {
real[2] x = [A, A / n];
while (abs(x[1] - x[0]) > p)
x = [x[1], ((n - 1) * x[1] + A / (x[1] ^^ (n-1))) / n];
return x[1];
}
void main() {
writeln(nthroot(10, 7131.5 ^^ 10));
writeln(nthroot(6, 64));
}