[R] Problems with CRAN package Ryacas

[Kjetil Halvorsen]

see below!

On Mon, Apr 9, 2012 at 7:38 PM, Gabor Grothendieck
<ggrothendieck at gmail.com> wrote:
> We have had Linux users that successfully used Ryacas but if you can't
> get yacas to build on your particular system then you could try
> running the Windows version under wine.  A Windows binary of yacas is
> available so you won't have to build yacas.  I don't know if anyone
> has tried that yet but its worth a try.
>
> Another possibility is to try rsympy or rmathpiper (see introductory
> paragraphs on Ryacas home page for links).
>
> On Mon, Apr 9, 2012 at 8:00 PM, Kjetil Halvorsen
> <kjetilbrinchmannhalvorsen at gmail.com> wrote:
>> see below!
>>
>> On Mon, Apr 9, 2012 at 3:04 PM, Gabor Grothendieck
>> <ggrothendieck at gmail.com> wrote:
>>> On Mon, Apr 9, 2012 at 4:02 PM, Gabor Grothendieck
>>> <ggrothendieck at gmail.com> wrote:
>>>> On Mon, Apr 9, 2012 at 2:47 PM, Martin Maechler
>>>> <maechler at stat.math.ethz.ch> wrote:
>>>>> Apropos:
>>>>>
>>>>> I don't have the problems, the OP had, but on my ubuntu
>>>>> notebook, Ryacas does not return expressions (just the strings),
>>>>> and hence
>>>>>
>>>>>    as.expression( <yacas-result> )
>>>>>
>>>>> always gives NULL  and e.g. the   demo(Ryacas-Function)
>>>>> also fails:
>>>>>
>>>>>  > yacas(expression(deriv(BurrCDF(x,c,k))))
>>>>>  k*c*x^(c-1)*(x^c+1)^(-(k+1));
>>>>>  > yy <- yacas(expression(deriv(BurrCDF(x,c,k))))
>>>>>  > yy
>>>>>  k*c*x^(c-1)*(x^c+1)^(-(k+1));
>>>>>  > str(yy)
>>>>>  List of 2
>>>>>  $          : NULL
>>>>>  $ YacasForm: chr "k*c*x^(c-1)*(x^c+1)^(-(k+1));"
>>>>>  - attr(*, "class")= chr "yacas"
>>>>>  >
>>>>>
>>>>> I have
>>>>>
>>>>> - yacas 1.2.2  (standard ubuntu package)
>>>>
>>>> The latest version of Ryacas on CRAN is 0.2-11
>>>> http://cran.r-project.org/package=Ryacas
>>>
>>> and the version of yacas supported by Ryacas is:
>>>
>>>> yacas("Version()")
>>> expression("1.0.63")
>>>
>>> The troubleshooting section on the home page that I referred to does
>>> mention this.

I am trying out rsympy by now, and that is working just fine!

Thanks.

Kjetil

>>
>> Thanks!
>>
>> I deinstalled the synaptic-installed yacas, downloaded yacas_1.0.63.tgz
>> unpacked it , run
>> ./configure --enable-server
>> then did make
>>
>> But make does not terminate, it ends in error! I give the last few
>> lines of output:
>>
>> rm -fr .libs/filescanner.la .libs/filescanner.* .libs/filescanner.*
>> gcc -shared  filescanner.lo plugin.lo   -Wl,-soname -Wl,filescanner.so
>> -o .libs/filescanner.so
>> ar cru .libs/filescanner.a  filescanner.o plugin.o
>> ranlib .libs/filescanner.a
>> creating filescanner.la
>> (cd .libs && rm -f filescanner.la && ln -s ../filescanner.la filescanner.la)
>> make[3]: Leaving directory `/home/kjetil/yacas/yacas-1.0.63/plugins/filescanner'
>> make[3]: Entering directory `/home/kjetil/yacas/yacas-1.0.63/plugins'
>> make[3]: Nothing to be done for `all-am'.
>> make[3]: Leaving directory `/home/kjetil/yacas/yacas-1.0.63/plugins'
>> make[2]: Leaving directory `/home/kjetil/yacas/yacas-1.0.63/plugins'
>> Making all in proteus
>> make[2]: Entering directory `/home/kjetil/yacas/yacas-1.0.63/proteus'
>> make[2]: Nothing to be done for `all'.
>> make[2]: Leaving directory `/home/kjetil/yacas/yacas-1.0.63/proteus'
>> Making all in manmake
>> make[2]: Entering directory `/home/kjetil/yacas/yacas-1.0.63/manmake'
>> source='manripper.cpp' object='manripper.o' libtool=no \
>>        depfile='.deps/manripper.Po' tmpdepfile='.deps/manripper.TPo' \
>>        depmode=gcc3 /bin/bash ../depcomp \
>>        g++ -DHAVE_CONFIG_H -I. -I. -I..     -g -O2 -Wall  -c -o manripper.o
>> `test -f 'manripper.cpp' || echo './'`manripper.cpp
>> manripper.cpp: In function ‘void GetBf(char*, int, FILE*)’:
>> manripper.cpp:20:21: error: ‘strlen’ was not declared in this scope
>> manripper.cpp: In function ‘void ProcessFile(char*)’:
>> manripper.cpp:40:23: error: ‘strlen’ was not declared in this scope
>> manripper.cpp:43:30: error: ‘strncmp’ was not declared in this scope
>> manripper.cpp:57:25: error: ‘memset’ was not declared in this scope
>> manripper.cpp:58:39: error: ‘memcpy’ was not declared in this scope
>> manripper.cpp:78:27: error: ‘strlen’ was not declared in this scope
>> manripper.cpp:81:25: error: ‘memset’ was not declared in this scope
>> manripper.cpp:82:41: error: ‘memcpy’ was not declared in this scope
>> make[2]: *** [manripper.o] Error 1
>> make[2]: Leaving directory `/home/kjetil/yacas/yacas-1.0.63/manmake'
>> make[1]: *** [all-recursive] Error 1
>> make[1]: Leaving directory `/home/kjetil/yacas/yacas-1.0.63'
>> make: *** [all] Error 2
>> kjetil at kjetil:~/yacas/yacas-1.0.63$
>>
>> Kjetil
>>
>>
>>
>>>
>>> --
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>>> GKX Group, GKX Associates Inc.
>>> tel: 1-877-GKX-GROUP
>>> email: ggrothendieck at gmail.com
>>>
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>
>
>
> --
> Statistics & Software Consulting
> GKX Group, GKX Associates Inc.
> tel: 1-877-GKX-GROUP
> email: ggrothendieck at gmail.com