Re: octave...

[Kai Mueller]

On Sat, Jun 06, 1998 at 11:38:28PM +0200, Ruediger Back wrote:
> 
> hi folks,
> 
> if anybody out there is bored reading news about the DOJ and Microsoft 
> and feels like he/she wants to help a poor soul (me, that is) track
> down why octave is not working for him, than I have a stack backtrace, an
> input history (leading to a segfault) and a configuration info
> attached. 
> Seriously, I originally thought this to be a bug in octave, but jwe
> has confirmed that the input works just fine on a reference Linux
> platform. Now I'm still trying to figure out why on earth it is not
> working for me. I have recompiled about 7 times with different
> options, two different compilers.. ditto.
> I also realize that because of the length of my mail or the limited
> information I can give here and because of the fact that the people
> reading the list are usually concerned with other octave-related
> problems, this mail might just be a nuisance. If you think so, please
> ignore this message or tell me by personal mail. I certainly don't
> want to waste the time of octave developers which is better spend
> improving octave. I think it is a good and useful tool (if only I
> could use it ... that is I can do a lot of things, like plotting
> etc.; it just sometimes displays: error: unexpected last match in
> yyinput(), when I type, e.g. help plot and always crashes on the input 
> given below).
> 
> Thank you
> 
> Rudy
> 
> (gdb) where
.
.
.
> #34 0x804fc9e in ___crt_dummy__ ()
> 
> input:
> -------
> 
> function retval = h1(gamma,x)
> tau = (gamma - 1.d0)/(2.d0*gamma);
> beta = (gamma + 1.d0)/(gamma - 1.d0);
> if (x >= 0.d0)
> retval = 2.d0/(gamma - 1.d0)*(1.d0 - exp(-tau*x));
> else
> retval = 2.d0*sqrt(tau)/(gamma -1.d0)*(1.d0-exp(-x))/sqrt(1.d0+beta*exp(-x));
> endif
> endfunction
> function retval = H1(x,gamma,A,B)
> retval = h1(gamma,x)+sqrt(B/A)*h1(gamma,x+log(B));
> endfunction
> x=(-2:.1:2);
> data=[x,H1(x,1.4d0,.125d0,.1d0)];
> 
> Configuration (please do not edit this section):
> -----------------------------------------------
> 
> uname output:     Linux kunou 2.0.31 #6 Thu Nov 13 11:25:35 MET 1997 i586
> configure opts:   --with-g77=/usr/local/bin/pg77 --enable-dl --enable-shared 
> --enable-lite-kernel --enable-rpath=no --enable-picky-flags 
> --host=i586-pc-linux-gnulibc1
> Fortran compiler: /usr/local/bin/pg77
> FFLAGS:           -g
> F2C:              
> F2CFLAGS:         
> FLIBS:            
> -L/usr/local/lib/gcc-lib/i586-pc-linux-gnulibc1/pgcc-2.90.27 
> -L/usr/local/i586-pc-linux-gnulibc1/lib -L/usr/local/lib -lf2c -lm
> CPPFLAGS:         
> INCFLAGS:         -I/usr/local/include -I/usr/local/include/octave-2.0.13
> C compiler:       pgcc, version pgcc-2.90.27 980315 (1.0.2 release)
> CFLAGS:           -DHAVE_CONFIG_H -mieee-fp -g
> CPICFLAG:         -fPIC
> C++ compiler:     pg++, version pgcc-2.90.27 980315 (1.0.2 release)
> CXXFLAGS:         -DHAVE_CONFIG_H -mieee-fp -fno-rtti -fno-exceptions 
> -fno-implicit-templates -g
> CXXPICFLAG:       -fPIC
> LDFLAGS:          
> LIBFLAGS:         -L/usr/local/lib/octave-2.0.13
> RLD_FLAG:         
> TERMLIBS:         -lncurses
> LIBS:             
> LEXLIB:           
> LIBPLPLOT:        
> LIBDLFCN:         
> DEFS:


On different systems (DEC Unix, BSD) I did not observe your problem.
Perhaps these problems cannot be attributed to Octave.

Kai

-- 
 Kai P. Mueller
 Control Department (Regelungstechnik) | Phone [+49] (531) 391-3835
 Technical University Braunschweig     | Fax   [+49] (531) 391-5194
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