Mercurial > lbo > hg > juliaplay
changeset 30:9b19f04208e4
julia: num
| author | Lewin Bormann <lbo@spheniscida.de> |
|---|---|
| date | Sat, 04 Mar 2023 22:10:49 +0100 |
| parents | af82fbc3d6c0 |
| children | e3af2d3890ce |
| files | julia/num.jl |
| diffstat | 1 files changed, 15 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/julia/num.jl Sat Mar 04 22:10:49 2023 +0100 @@ -0,0 +1,15 @@ + +function reverse_digits(n::Integer) + pot = floor(Int, log10(n)) + d = 0 + for i = pot:-1:0 + dig = div(n, 10^i) + if dig == 0 + continue + end + d += dig * 10^(pot-i) + n = rem(n, (dig * 10^i)) + end + d +end +