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Re: expm1 & log1p


From: David Bateman
Subject: Re: expm1 & log1p
Date: Tue, 18 Mar 2008 16:04:01 +0100
User-agent: Thunderbird 2.0.0.12 (X11/20080306)

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                                address@hidden
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