Le mercredi 2 janvier 2008, Bruno Haible a écrit :
> Hello,
>
> Bastien Roucaries wrote:
> > I need for my program to use asinh acosh and atanh. For now I used to
> > define
> >
> > it if missing using
> > #define asinh(x) log(x+sqrt(x*x+1))
> > #define acosh(x) log(x+sqrt(x-1.0)*sqrt(x+1.0))
> > #
Hello,
Bastien Roucaries wrote:
> I need for my program to use asinh acosh and atanh. For now I used to define
>
> it if missing using
> #define asinh(x) log(x+sqrt(x*x+1))
> #define acosh(x) log(x+sqrt(x-1.0)*sqrt(x+1.0))
> #define atanh(x) (0.5*log(x+1)-0.5*log(1-x))
>
> How can I create a g