Re: expm1 & log1p

[Jaroslav Hajek]

On Tue, Mar 18, 2008 at 3:21 PM, David Bateman
<address@hidden> wrote:
> Jaroslav Hajek wrote:
>  > another pair of mappers.
>  > These are in GNU C library, so usually they will be in math.h; that's
>  > why I supplied "quick hack" replacements from top of my head
>  > (actually, pencil, paper & computer) instead of stealing the
>  > complicated formulas from glibc or other software. The minor advantage
>  > is that there is no need to sort out any copyright notices.
>  >
>  >
>  <quote>
>
>  +#if defined (HAVE_EXPM1)
>  +double
>  +expm1 (double x)
>  +
>
>  </quote>
>
>  Shouldn't that read "#if ! defined (HAVE_EXPM1)" ?

Indeed. I'll fix it.

> 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.


>  D.
>
>  --
>  David Bateman                                address@hidden
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>
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>
>



-- 
RNDr. Jaroslav Hajek
computing expert
Aeronautical Research and Test Institute (VZLU)
Prague, Czech Republic
url: www.highegg.matfyz.cz