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iinfo and scalar overflow detection (#2009)

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This commit is contained in:
Awni Hannun
2025-03-27 19:54:56 -07:00
committed by GitHub
parent bc62932984
commit 5580b47291
6 changed files with 112 additions and 0 deletions
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39
mlx/utils.cpp
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@@ -380,4 +380,43 @@ finfo::finfo(Dtype dtype) : dtype(dtype) {
}
}
template <typename T>
void set_iinfo_limits(int64_t& min, uint64_t& max) {
min = std::numeric_limits<T>::min();
max = std::numeric_limits<T>::max();
}
iinfo::iinfo(Dtype dtype) : dtype(dtype) {
switch (dtype) {
case int8:
set_iinfo_limits<int8_t>(min, max);
break;
case uint8:
set_iinfo_limits<uint8_t>(min, max);
break;
case int16:
set_iinfo_limits<int16_t>(min, max);
break;
case uint16:
set_iinfo_limits<uint16_t>(min, max);
break;
case int32:
set_iinfo_limits<int32_t>(min, max);
break;
case uint32:
set_iinfo_limits<uint32_t>(min, max);
break;
case int64:
set_iinfo_limits<int64_t>(min, max);
break;
case uint64:
set_iinfo_limits<uint64_t>(min, max);
break;
default:
std::ostringstream msg;
msg << "[iinfo] dtype " << dtype << " is not integral.";
throw std::invalid_argument(msg.str());
}
}
} // namespace mlx::core