Romain François created ARROW-3802:
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Summary: [C++] Cast to half float missing
Key: ARROW-3802
URL: https://issues.apache.org/jira/browse/ARROW-3802
Project: Apache Arrow
Issue Type: Bug
Components: C++
Reporter: Romain François
{code:java}
library(reticulate)
pa <- import("pyarrow")
pa$array(c(1,2,3))$cast(pa$float16())
#> Error in py_call_impl(callable, dots$args, dots$keywords):
ArrowNotImplementedError: No cast implemented from double to halffloat
#>
#> Detailed traceback:
#> File "pyarrow/array.pxi", line 277, in pyarrow.lib.Array.cast
(/Users/travis/build/BryanCutler/arrow-dist/arrow/python/build/temp.macosx-10.6-intel-3.6/lib.cxx:30459)
#> File "pyarrow/error.pxi", line 85, in pyarrow.lib.check_status
(/Users/travis/build/BryanCutler/arrow-dist/arrow/python/build/temp.macosx-10.6-intel-3.6/lib.cxx:8570)
{code}
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