<s>[INST] returns the singleton instance of this class . this method is useless for now as all methods are static . it may be used in future if vm-global configuration will be put to the state of the instance . # concode_field_sep MathUtil instance concode_field_sep void assertDouble concode_elem_sep Integer increment concode_elem_sep boolean assertEqual concode_elem_sep boolean isDouble [/INST] MathUtil function ( ) { if ( MathUtil . instance == null ) { MathUtil . instance = new MathUtil ( ) ; } return MathUtil . instance ; </s>