sfnt_round_symmetric 7963 src/sfnt.c           value = sfnt_round_symmetric (interpreter, value);
sfnt_round_symmetric 8688 src/sfnt.c           distance = sfnt_round_symmetric (interpreter, distance);
sfnt_round_symmetric 10175 src/sfnt.c           distance = sfnt_round_symmetric (interpreter, distance);
sfnt_round_symmetric 10268 src/sfnt.c           distance = sfnt_round_symmetric (interpreter, distance);