protected function guess_maxima_command($path)
{
if ('default' == stack_connection_helper::get_maximaversion()) {
throw new stack_exception("stack_cas_connection: maxima cannot be set to default on Windows platform. " . "Please choose an explicit version via the administration settings page.");
}
$cmd = $path . '/maxima.bat';
if (!is_readable($cmd)) {
throw new stack_exception("stack_cas_connection: maxima launch script {$cmd} does not exist.");
}
return $cmd;
}
protected function guess_maxima_command($path)
{
global $CFG;
if (stack_connection_helper::get_platform() == 'unix-optimised') {
// We are trying to use a Lisp snapshot of Maxima with all the
// STACK libraries loaded.
$lispimage = $CFG->dataroot . '/stack/maxima-optimised';
if (is_readable($lispimage)) {
return $lispimage;
}
}
if (is_readable('/Applications/Maxima.app/Contents/Resources/maxima.sh')) {
// This is the path on Macs, if Maxima has been installed following
// the instructions on Sourceforge.
return '/Applications/Maxima.app/Contents/Resources/maxima.sh';
}
// Default guess on Linux, making explicit use of the chosen version number.
$maximaversion = stack_connection_helper::get_maximaversion();
$maximacommand = 'maxima';
if ('default' != $maximaversion) {
$maximacommand = 'maxima --use-version=' . $maximaversion;
}
return $maximacommand;
}
