CLHEP < IT < TWiki

---+ CLHEP

[[http://proj-clhep.web.cern.ch/proj-clhep/][CLHEP]] version 1.9.3.1 has been compiled and is available to LINUX desktop users over NFS.

---++ Using CLHEP

CLHEP is currently installed for 32 bit sl4 desktops.

---+++ Setting up environmental variables

Check your default shell by typing
<pre>
echo $SHELL
</pre>

If your default shell is <code>/bin/bash</code> then append
<pre>
if [ -z $CLHEP_DIR ]; then
  CLHEP_DIR=/data/ppe01/sl4x/i386/clhep/1.9.3.1
  export CLHEP_DIR

  if [ -z "$LD_LIBRARY_PATH" ]; then
    LD_LIBRARY_PATH=$CLHEP_DIR/lib
    export LD_LIBRARY_PATH
  else
    LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$CLHEP_DIR/lib
    export LD_LIBRARY_PATH
  fi
fi
</pre>
to <code>~/.bashrc</code>

If your default shell is <code>/bin/tcsh</code> then append
<pre>
if ( ! $?CLHEP_DIR ) then
  setenv CLHEP_DIR /data/ppe01/sl4x/i386/clhep/1.9.3.1

  if ( ! $?LD_LIBRARY_PATH ) then
    setenv LD_LIBRARY_PATH $CLHEP_DIR/lib
  else
    setenv LD_LIBRARY_PATH ${LD_LIBRARY_PATH}:$CLHEP_DIR/lib
  fi
fi
</pre>
to <code>~/.cshrc</code>

---+++ Building executables against CLHEP

Compile C++ source code via statements of the form:
<pre>
g++ -I$(CLHEP_DIR)/include -c file.cc
</pre>

Link resulting objects by using a statement of the form:
<pre>
g++ -L$(CLHEP_DIR)/lib -lCLHEP -o exename
</pre>


-- Main.AndrewPickford - 13 Feb 2009
This topic: IT > CommonlyUsedSoftware > CLHEP
Topic revision: r1 - 2009-02-13 - AndrewPickford