diff options
Diffstat (limited to 'py/objint_longlong.c')
| -rw-r--r-- | py/objint_longlong.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/py/objint_longlong.c b/py/objint_longlong.c index 394ae111ad..83e1c67d6d 100644 --- a/py/objint_longlong.c +++ b/py/objint_longlong.c @@ -187,9 +187,21 @@ mp_obj_t mp_obj_new_int_from_ull(unsigned long long val) { #if MICROPY_PY_BUILTINS_FLOAT mp_obj_t mp_obj_new_int_from_float(mp_float_t val) { - // TODO raise an exception if the unsigned long long won't fit - long long i = MICROPY_FLOAT_C_FUN(trunc)(val); - return mp_obj_new_int_from_ll(i); + int cl = fpclassify(val); + if (cl == FP_INFINITE) { + nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OverflowError, "can't convert inf to int")); + } else if (cl == FP_NAN) { + nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "can't convert NaN to int")); + } else { + mp_fp_as_int_class_t icl = mp_classify_fp_as_int(val); + if (icl == MP_FP_CLASS_FIT_SMALLINT) { + return MP_OBJ_NEW_SMALL_INT((mp_int_t)val); + } else if (icl == MP_FP_CLASS_FIT_LONGINT) { + return mp_obj_new_int_from_ll((long long)val); + } else { + nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "float too big")); + } + } } #endif |