Population count: Difference between revisions
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00 03 05 06 09 10 12 15 17 18 20 23 24 27 29 30 33 34 36 39 40 43 45 46 48 51 53 54 57 58
01 02 04 07 08 11 13 14 16 19 21 22 25 26 28 31 32 35 37 38 41 42 44 47 49 50 52 55 56 59</pre>
=={{header|ABC}}==
<syntaxhighlight lang="abc">HOW TO RETURN popcount n:
IF n=0: RETURN 0
RETURN (n mod 2) + popcount (floor (n/2))
HOW TO REPORT evil n:
REPORT (popcount n) mod 2 = 0
HOW TO REPORT odious n:
REPORT (popcount n) mod 2 = 1
FOR i IN {0..29}: WRITE popcount (3 ** i)
WRITE /
PUT {} IN evilnums
PUT {} IN odiousnums
FOR n IN {0..59}:
SELECT:
evil n: INSERT n IN evilnums
odious n: INSERT n IN odiousnums
FOR i IN {1..30}: WRITE evilnums item i
WRITE /
FOR i IN {1..30}: WRITE odiousnums item i
WRITE /</syntaxhighlight>
{{out}}
<pre>1 2 2 4 3 6 6 5 6 8 9 13 10 11 14 15 11 14 14 17 17 20 19 22 16 18 24 30 25 25
0 3 5 6 9 10 12 15 17 18 20 23 24 27 29 30 33 34 36 39 40 43 45 46 48 51 53 54 57 58
1 2 4 7 8 11 13 14 16 19 21 22 25 26 28 31 32 35 37 38 41 42 44 47 49 50 52 55 56 59</pre>
=={{header|Ada}}==
Line 3,964 ⟶ 3,995:
$c;
}</syntaxhighlight>
=={{header|Refal}}==
<syntaxhighlight lang="refal">$ENTRY Go {
= <Prout <Gen 30 All Pow3 (1)>>
<Prout <Gen 30 Evil Iota (0)>>
<Prout <Gen 30 Odious Iota (0)>>;
};
Gen {
0 s.Fil s.Gen (s.State) = ;
s.N s.Fil s.Gen (s.State),
<Mu s.Gen s.State>: (s.Next) s.Item,
<Mu s.Fil s.Item>: {
T = s.Item <Gen <- s.N 1> s.Fil s.Gen (s.Next)>;
F = <Gen s.N s.Fil s.Gen (s.Next)>;
};
};
Popcount {
0 = 0;
s.N, <Divmod s.N 2>: (s.R) s.B = <+ s.B <Popcount s.R>>;
};
Pow3 {
s.N = (<* 3 s.N>) <Popcount s.N>;
};
Evil {
s.N, <Mod <Popcount s.N> 2>: {
0 = T;
1 = F;
};
};
Odious {
s.N, <Mod <Popcount s.N> 2>: {
0 = F;
1 = T;
};
};
All { s.X = T; }
Iota { s.N = (<+ 1 s.N>) s.N; }</syntaxhighlight>
{{out}}
<pre>1 2 2 4 3 6 6 5 6 8 9 13 10 11 14 15 11 14 14 17 17 20 19 22 16 18 24 30 25 25
0 3 5 6 9 10 12 15 17 18 20 23 24 27 29 30 33 34 36 39 40 43 45 46 48 51 53 54 57 58
1 2 4 7 8 11 13 14 16 19 21 22 25 26 28 31 32 35 37 38 41 42 44 47 49 50 52 55 56 59</pre>
=={{header|REXX}}==
Line 4,573 ⟶ 4,651:
{{libheader|Wren-fmt}}
The first part is slightly awkward for Wren as 'native' bit-wise operations are limited to unsigned 32-bit integers and 3^21 exceeds this limit. We therefore need to switch to BigInts just before that point to process the remaining powers.
<syntaxhighlight lang="
import "./fmt" for Fmt
var popCount = Fn.new { |n|
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