Commit c236ebfe authored by Damien George's avatar Damien George
Browse files

py/modbuiltins: Allow round() to return a big int if necessary.

Previous to this patch, if the result of the round function overflowed a
small int, or was inf or nan, then a garbage value was returned.  With
this patch the correct big-int is returned if necessary and exceptions are
raised for inf or nan.
parent 125eae1b
......@@ -478,10 +478,11 @@ STATIC mp_obj_t mp_builtin_round(size_t n_args, const mp_obj_t *args) {
}
mp_float_t val = mp_obj_get_float(o_in);
mp_float_t rounded = MICROPY_FLOAT_C_FUN(nearbyint)(val);
return mp_obj_new_int_from_float(rounded);
#else
mp_int_t r = mp_obj_get_int(o_in);
#endif
return mp_obj_new_int(r);
#endif
}
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_round_obj, 1, 2, mp_builtin_round);
......
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