sfnt_round_symmetric 8088 src/sfnt.c           value = sfnt_round_symmetric (interpreter, value);
sfnt_round_symmetric 8813 src/sfnt.c           distance = sfnt_round_symmetric (interpreter, distance);
sfnt_round_symmetric 10328 src/sfnt.c           distance = sfnt_round_symmetric (interpreter, distance);
sfnt_round_symmetric 10421 src/sfnt.c           distance = sfnt_round_symmetric (interpreter, distance);