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Groups > comp.lang.forth > #20502
| From | "WJ" <w_a_x_man@yahoo.com> |
|---|---|
| Newsgroups | comp.lang.forth |
| Subject | Re: structure and interpretation of computer programs exercsie 1.3 in forth |
| Date | 2013-03-09 21:04 +0000 |
| Organization | A noiseless patient Spider |
| Message-ID | <khg84v$v56$1@dont-email.me> (permalink) |
| References | <f656a1dc-e406-4993-94a9-e9ff02da6a4d@googlegroups.com> <kgntle02jta@enews6.newsguy.com> |
WJ wrote:
> gavino_himself wrote:
>
> > Exercise 1.3. Define a procedure that takes three numbers
> > as arguments and returns the sum of the squares of the two
> > larger numbers.
> > Please post a forth solution.
>
> I broke your lines for you. When you post to usenet, you must
> limit the length of your lines.
>
> Here's a solution in Racket
Factor
> that accepts any number of inputs
> in a sequence.
>
> : g ( seq -- n ) [ <=> ] sort 2 tail* 0 [ sq + ] reduce ;
>
> { 0 9 1 8 7 6 5 4 3 2 } g .
>
> 145
: g ( seq -- n ) [ >=< ] sort first2 [ sq ] bi@ + ;
{ 0 9 1 8 7 6 5 4 3 2 } g .
145
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Re: structure and interpretation of computer programs exercsie 1.3 in forth "WJ" <w_a_x_man@yahoo.com> - 2013-02-28 15:38 +0000 Re: structure and interpretation of computer programs exercsie 1.3 in forth "WJ" <w_a_x_man@yahoo.com> - 2013-02-28 16:37 +0000 Re: structure and interpretation of computer programs exercsie 1.3 in forth Doug Hoffman <glidedog@gmail.com> - 2013-03-01 05:24 -0500 Re: structure and interpretation of computer programs exercsie 1.3 in forth "WJ" <w_a_x_man@yahoo.com> - 2013-03-09 21:04 +0000
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