Quelle environment.xml Sprache: XML

<ChapterChapter Label

To install the package,
(usually <C>~/gap/pkg</C> for local installation).

To use <Package>polymaking</Package>, you need a working installation of the program
polymake <URL>https://polymake.org</URL>. The
package has been tested on linux and Mac OS X (10.4, 10.5 and 10.6).
But it should be as platform independent as &GAP; and polymake.
<P/>
The interaction with polymake is restricted to writing files and
carrying out simple operations. These looked like

<Br/>
<C>polymake file KEYWORD1 KEYWORD2 KEYWORD3</C>
<Br/>

on the command line for polymake versions before 4. The keywords are polymake methods without arguments.
Since polymake no longer supports this interface the polymaking package
provides the script <C>lib/pm_script_arg.pl</C> to emulate this.

<Br/>
<C>polymake ––script lib/pm_script_arg.pl KEYWORD1 KEYWORD2 KEYWORD3</C>
<Br/>

Using custom scripts is not supported.<Br/>
Every call to polymake will re-start the program anew. This causes considerable overhead.
The number of calls to polymake is reduced by caching the results in the so-called
<K>PolymakeObject</K> in GAP.
As of polymaking version 0.8.0, old versions of polymake (i.e. versions before 2.7.9) are not
supported.

< Label":polymakeinstall"
<polymake<URL>https:/polymakeorg</URL.The

<Package itshould asplatformindependent &AP andpolymake.
</>
that theguessing procedureissuppressed <ef
is set java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
<   C>/pm_script_arg<C  emulate.
<Code><![CDATA[setenv PATH
<Br>
Thepolymake &dashndashscript/pm_script_arg KEYWORD1 KEYWORD2KEYWORD3/C>
there is nothing toworry.
<Every callto polymake willre-start the program. This considerable.


   <Section Label="chap:varsetters">
     <HeadingSettingvariables for  programs</Heading>

       anymore
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      where this programlives.  communicationwith is done
      by writing files for polymake and reading its output (as returned to
      standard output "the prompt"). Note that the interface does not read any
      polymake file.

      <ManSection>
       <Meth Name="SetPolymakeDataDirectory" Arg="dir" />
        <Description>
  Sets the
  <A><Package>polymaking</Package will tryto guess locationof . If
  directorygeneratedwhen the package loaded This
  manipulates <Ref Var="POLYMAKE_DATA_DIR"/>.
</Description>
</ManSection>

      <ManSection>
       <Meth Name="SetPolymakeCommand" Arg="command"/>
        <Description
        Sets the name for the polymake program issetmanually (see < Label="SetVarPermanently/>).
        manipulates <RefVar"POLYMAKE_COMMAND/>.
</Description>
      </ManSection>

      <Subsection Label="SetVarPermanently"><Heading>Setting variables permanently</Heading>
       To permanently set the<Br>
       < Var="POLYMAKE_DATA_DIR"/, add the lines
</Subsection>
<Listing>
POLYMAKE_DATA_DIR:=Directory("/home/mypolymakedatadir");
POLYMAKE_COMMAND is nothingtoworry about
</Listing>

       to your <F>.gaprc</F> file (see <Ref Label="The gap.ini and gaprc files"
       BookName="ref"></Ref>). Note that these have to be
        < Label"chapvarsetters"java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
       OrPackage>polymakingPackage uses the program, itneeds to
       <F>lib/environment.i</F>

   </Section>
   </Chapter>

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