expm1 & log1p

[David Bateman]

Jaroslav Hajek wrote:
>> Also the matlab
>>  functions accept complex arguments whereas your version seems to be
>>  limited to real arguments
>>
>>     
>
> I missed that. Apparently there are only real versions in GNU C
> library. I'll try to make
> a complex version using the real version.
>
>   
>

Complex expm1 (const Complex& x)
{
    double xr = x.real ();
    Complex xc = Complex (0., x.imag ());
    return exp (xc) * expm1 (xr);
}

D.
   

-- 
David Bateman                                David.Bateman at motorola.com
Motorola Labs - Paris                        +33 1 69 35 48 04 (Ph) 
Parc Les Algorithmes, Commune de St Aubin    +33 6 72 01 06 33 (Mob) 
91193 Gif-Sur-Yvette FRANCE                  +33 1 69 35 77 01 (Fax) 

The information contained in this communication has been classified as: 

[x] General Business Information 
[ ] Motorola Internal Use Only 
[ ] Motorola Confidential Proprietary