• eman2Exception

• Here is an example on throwing an exception:

{{{vector< float > EMData::calc_fourier_shell_correlation(EMData * with) {

• if (!with) {

  • throw NullPointerException("NULL input image");

  } if (!EMUtil::is_same_size(this, with)) {
  • LOGERR("images not same size");

    throw ImageFormatException( "images not same size");

  }

//... } }}}