Re: [Plplot-devel] some help on PLPLOT

[Arjen M. <arj...@wl...>]

Olof Svensson wrote:
> 
> Dear plplot developers,
> 
> Could you please help Pradeep?
> 
> Regards,
> 
> Olof
> 
> -------- Original Message --------
> Date: Fri, 19 Sep 2003 15:36:41 +0100
> From: Pra...@av...
> To: sve...@es...
> 
> Hello Svensson,
> 
> we have downloaded the PLPLOT5.2.1 it seems to be very impressive
> creation.
> 
> we have looked at the algorithm used for generating grid data for
> contours.
> But when I try to use some of them, I found that some of the code is not
> part of the tar file: PLPLOT-5-2-1.tar.
> e.g. if I try the triangualation interpolation method, then I get
> blocked by
> the non-availability of triangle.h or qhull_a.h
> And if I try to use the CSA method, then certain functions are not
> defined
> -- hypot, copysign, errno, isnan.
> 

Hm, hypot, copysign and isnan are part of the math library - add -lm 
to the link step?

Probably you need the include files "errno.h", "nan.h" and "math.h"

I have not got the header files either, but they are used in the
delaunay module. May be that helps.

Regards,

Arjen