Did you try passing in an f64vector instead of a vector?
On 11/11/07, Terrence Brannon <[EMAIL PROTECTED]> wrote:
> My guess was f64vector. That compiled, but passing a Scheme vector in failed:
>
> #;2> (let ([vec (vector 0 1 1)]) (polevl 42 vec (vector-length vec)))
> Error: bad argument type - n
Version 2.732 - macosx-unix-gnu-x86-64
#;1> '#(a b c)
#(a b c)
#;2> (symbol? (vector-ref #1 0))
#t
On 11/11/07, Terrence Brannon <[EMAIL PROTECTED]> wrote:
> why would chicken not accept that syntax as a vector of symbols? plt did.
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why would chicken not accept that syntax as a vector of symbols? plt did.
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I have this function in C:
double polevl( x, coef, N )
double x;
double coef[];
int N;
{
...
}
and I am trying to create foreign-lambda for it:
(define polevl
(foreign-lambda double polevl double f64vector int))
But I know that double[] is wrong.
My guess was f64vector. That compiled, but p
Jens wrote some code for this in case there is nothing in Chicken for
it at the moment.
Only thing is doesnt do is return the multiplier for the factorization.
-- Forwarded message --
From: Jens Axel Søgaard <[EMAIL PROTECTED]>
Date: Nov 11, 2007 6:44 PM
Subject: Re: gettings root
If you visit chicken.wiki.br -
http://chicken.wiki.br/Accessing%20external%20objects
with IE or an IE-compatible browser, all the code samples do not
render, but instead put up scrollable boxes with small windows.
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I'm wondering if I overlooked an egg that can do this:
1 - given the (real) coefficients of all terms of a polynomial
equation, it returns the roots and multiplier representation of it:
For example, the polynomial 2x + 2x^2 factors down to 2 * (x-(-1))(x-0),
so the multiplier is 2 and the roots a
