}
if ( cla.isOptionSet( REMOVE_WORST_OFFENDERS_OPTION ) ) {
worst_remove = cla.getOptionValueAsInt( REMOVE_WORST_OFFENDERS_OPTION );
- if ( ( worst_remove < 1 ) || ( worst_remove >= msa.getNumberOfSequences() - 1 ) ) {
+ if ( ( worst_remove < 1 ) || ( worst_remove >= ( msa.getNumberOfSequences() - 1 ) ) ) {
ForesterUtil.fatalError( PRG_NAME, "number of worst offender sequences to remove is out of range: "
+ worst_remove );
}