Factorial primes: Difference between revisions
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=={{header|Quackery}}== |
=={{header|Quackery}}== |
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<code> |
<code>!</code> is defined at [[Factorial#Quackery]]. |
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<code>isprime</code> is defined at [[Primality by trial division#Quackery]]. |
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<syntaxhighlight lang="Quackery"> [ 1 swap times [ i 1+ * ] ] is ! ( n --> n ) |
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[ dup 10 < if sp echo ] is recho ( n --> ) |
<syntaxhighlight lang="Quackery"> [ dup 10 < if sp echo ] is recho ( n --> ) |
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[] 0 |
[] 0 |
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dup dip |
dup dip |
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[ 1 - isprime if |
[ 1 - isprime if |
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[ tuck |
[ tuck negate join swap ] ] |
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nested join swap ] ] |
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1+ isprime if |
1+ isprime if |
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[ tuck |
[ tuck join swap ] |
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nested join swap ] |
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over size 9 > until ] |
over size 9 > until ] |
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drop 10 split drop |
drop 10 split drop |
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[ i^ 1+ |
[ i^ 1+ |
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recho say ": " |
recho say ": " |
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dup abs tuck recho |
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0 < iff |
0 < iff |
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[ say "! - 1 = " ] |
[ say "! - 1 = " -1 ] |
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else |
else |
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[ say "! + 1 = " ] |
[ say "! + 1 = " 1 ] |
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swap ! + echo cr ]</syntaxhighlight> |
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{{out}} |
{{out}} |
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