Daniel Llorens del Río <[EMAIL PROTECTED]> writes:
>
> Myself, I'd be happy if only things like this didn't happen:
>
> guile> (tanh 1e3+i)
> +nan.0
Perhaps the libc ctanh() etc could be used when available ... let
somebody else worry about overflows.
On 18 Aug, 2006, at 18:07, [EMAIL PROTECTED] wrote:
Browsing Wikipedia for acosh formulas it seems to me
that GSL is using an equivalent of:
(log (- x (sqrt (- (* x x) 1
while the others are using an equivalent of:
(log (+ x (sqrt (- (* x x) 1
I'm interested in having equal r
"Marco Maggi" <[EMAIL PROTECTED]> writes:
> Ciao,
>
> on the GNU Scientific Library mailing list I asked the
> following:
>
>>for some values of the operand I get different
>>results from 'acosh' when using GSL (1.8), Guile (1.8)
>>and GNU Octave (2.1.63). Other functions give me
>>differ
Ciao,
on the GNU Scientific Library mailing list I asked the
following:
>for some values of the operand I get different
>results from 'acosh' when using GSL (1.8), Guile (1.8)
>and GNU Octave (2.1.63). Other functions give me
>different results, too. [...]
>
>Browsing Wikipedia for acosh
