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A-M baby

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Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
19005 changed files with 197040 additions and 7 deletions
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3
Task/Exponentiation-operator/Factor/exponentiation-operator-1.factor Normal file
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: pow ( f n -- f' )
dup 0 < [ abs pow recip ]
[ [ 1 ] 2dip swap [ * ] curry times ] if ;

6
Task/Exponentiation-operator/Factor/exponentiation-operator-2.factor Normal file
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: pow ( f n -- f' )
{
{ [ dup 0 < ] [ abs pow recip ] }
{ [ dup 0 = ] [ 2drop 1 ] }
[ [ 2 mod 1 = swap 1 ? ] [ [ sq ] [ 2 /i ] bi* pow ] 2bi * ]
} cond ;

13
Task/Exponentiation-operator/Factor/exponentiation-operator-3.factor Normal file
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USING: combinators kernel math ;
IN: test
: (pow) ( f n -- f' )
[ dup even? ] [ [ sq ] [ 2 /i ] bi* ] while
dup 1 = [ drop ] [ dupd 1 - (pow) * ] if ;
: pow ( f n -- f' )
{
{ [ dup 0 < ] [ abs (pow) recip ] }
{ [ dup 0 = ] [ 2drop 1 ] }
[ (pow) ]
} cond ;

6
Task/Exponentiation-operator/Factor/exponentiation-operator-4.factor Normal file
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: (pow) ( f n -- f' )
[ 1 ] 2dip
[ dup 1 = ] [
dup even? [ [ sq ] [ 2 /i ] bi* ] [ [ [ * ] keep ] dip 1 - ] if
] until
drop * ;