Vector type cannot store values which VEC_FromText produces and VEC_ToText accepts

MariaDB [test]> select vec_totext(0xAEFAA77A);

+------------------------+

| vec_totext(0xAEFAA77A) |

+------------------------+

| [4.36099e35]           |

+------------------------+

1 row in set (0.001 sec)

MariaDB [test]> select hex(vec_fromtext('[4.36099e35]'));

+-----------------------------------+

| hex(vec_fromtext('[4.36099e35]')) |

+-----------------------------------+

| AEFAA77A                          |

+-----------------------------------+

1 row in set (0.001 sec)

MariaDB [test]> create or replace table t (v vector(1));

Query OK, 0 rows affected (0.028 sec)

MariaDB [test]> insert into t values (vec_fromtext('[4.36099e35]'));

ERROR 1366 (22007): Incorrect vector value: '\xAE\xFA\xA7z' for column `test`.`t`.`v` at row 1

MariaDB [test]> insert into t values (0xAEFAA77A);

ERROR 1366 (22007): Incorrect vector value: '\xAE\xFA\xA7z' for column `test`.`t`.`v` at row 1