20#ifndef SRECORD_INPUT_FILTER_CHECKSUM_NEGATIVE_H
21#define SRECORD_INPUT_FILTER_CHECKSUM_NEGATIVE_H
31class input_filter_checksum_negative:
91 input_filter_checksum_negative();
96 input_filter_checksum_negative(
const input_filter_checksum_negative &);
101 input_filter_checksum_negative &operator=(
102 const input_filter_checksum_negative &);