'FW: [Ntop] Graphs don't look quite right'

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List:       ntop
Subject:    FW: [Ntop] Graphs don't look quite right
From:       "Burton Strauss" <Burton () ntopSupport ! com>
Date:       2006-06-26 0:34:37
Message-ID: 041b01c698b8$4f1098d0$648ea8c0 () burtonstrauss ! local
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-----Original Message-----
From: Dave.Callaghan@doi.vic.gov.au [mailto:Dave.Callaghan@doi.vic.gov.au] 
Sent: Sunday, June 25, 2006 6:24 PM
To: Burton@ntopSupport.com
Subject: RE: [Ntop] Graphs don't look quite right

Hi Burton,

As far as I could tell, I should only need the line in config_aux.h I
removed the lines in rrd_tool.h and it started working, but perhaps it
coinicided with *completely stripping* the Solaris ifdefs from config_aux
:-) I was getting desperate.

All that should be needed is redefining isinf as # define isinf(x)
(!finite(x) && !isnan(x)) In the appropriate Solaris definition in
config_aux.h.

isinf was obviously being defined, but incorrectly.

I could not find isinf in math.h, even thought he man pages say it should be
there. There is a similar macro in nan.h on Solaris called IsINF, which has
prerequisite calls, so I did'nt use it.

Hmmm - wonder how many of the Solaris users are on SParc, how many on X86
and how many on 3.2?

cheers

             "Burton Strauss"                                              
             <Burton@ntopSuppo                                             
             rt.com>                                                    To 
             Sent by:                  <ntop@unipi.it>                     
             ntop-bounces@unip                                          cc 
             i.it                                                          
                                                                   Subject 
                                       RE: [Ntop] Graphs don't look quite  
             25/06/06 05:55 AM         right                               

             Please respond to                                             
               ntop@unipi.it                                               

Wow - it sure sounds like you are not really running GCC, despite everything
- I can't IMAGINE how that code could matter otherwise...  And there are
100s of Solaris users out there... (well, just over 100 unique users
anyway)

-----Burton

-----Original Message-----
From: ntop-bounces@unipi.it [mailto:ntop-bounces@unipi.it] On Behalf Of
Dave.Callaghan@doi.vic.gov.au
Sent: Wednesday, June 21, 2006 1:14 AM
To: ntop@unipi.it
Subject: RE: [Ntop] Graphs don't look quite right

To fix for Solaris only , only tested with the SFW GCC for SOLX86 10.
SOLX86 9.

In myrrd/rrd_tool.h remove the
lines at line 98
#if !defined(__GNUC__)
#define isnan _isnan
#define isinf(a) (_fpclass(a) == _FPCLASS_NINF || _fpclass(a) ==
_FPCLASS_PINF)
#endif
Not sure why but the fix did not work till I removed the above.. Although it
is only meant to be included in windows builds.

In myrrd/config_aux.h remove all the old isinf lines (just in case) and add
the following Yes, you shouldn't need the HAVE_ISINF, I left it in just in
case....

# define HAVE_ISINF 1
# define isinf(x) (!finite(x) && !isnan(x))

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