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Re: expm1 & log1p


From: David Bateman
Subject: Re: expm1 & log1p
Date: Tue, 18 Mar 2008 15:21:25 +0100
User-agent: Thunderbird 2.0.0.12 (X11/20080306)

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)" ? Also the matlab
functions accept complex arguments whereas your version seems to be
limited to real arguments

D.

-- 
David Bateman                                address@hidden
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