pitrou commented on code in PR #46618:
URL: https://github.com/apache/arrow/pull/46618#discussion_r2120647616
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python/pyarrow/src/arrow/python/helpers.cc:
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@@ -73,21 +75,22 @@ std::shared_ptr<DataType> GetPrimitiveType(Type::type type)
{
}
}
-PyObject* PyHalf_FromHalf(npy_half value) {
- PyObject* result = PyArrayScalar_New(Half);
- if (result != NULL) {
- PyArrayScalar_ASSIGN(result, Half, value);
- }
- return result;
+PyObject* PyFloat_FromHalf(uint16_t value) {
+ // Convert the uint16_t Float16 value to a PyFloat object
+ arrow::util::Float16 half_val = arrow::util::Float16::FromBits(value);
+ return PyFloat_FromDouble(half_val.ToDouble());
}
-Status PyFloat_AsHalf(PyObject* obj, npy_half* out) {
- if (PyArray_IsScalar(obj, Half)) {
- *out = PyArrayScalar_VAL(obj, Half);
- return Status::OK();
+Result<uint16_t> PyFloat_AsHalf(PyObject* obj) {
+ if (PyFloat_Check(obj)) {
+ double float_val = static_cast<float>(PyFloat_AsDouble(obj));
Review Comment:
What is this casting to `float`?
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