edponce commented on a change in pull request #10113:
URL: https://github.com/apache/arrow/pull/10113#discussion_r617806201
##########
File path: cpp/src/arrow/compute/kernels/scalar_arithmetic.cc
##########
@@ -369,12 +420,37 @@ std::shared_ptr<ScalarFunction>
MakeArithmeticFunctionNotNull(std::string name,
const
FunctionDoc* doc) {
auto func = std::make_shared<ArithmeticFunction>(name, Arity::Binary(), doc);
for (const auto& ty : NumericTypes()) {
- auto exec = NumericEqualTypesBinary<ScalarBinaryNotNullEqualTypes, Op>(ty);
+ auto exec = ArithmeticExecFromOp<ScalarBinaryNotNullEqualTypes, Op>(ty);
DCHECK_OK(func->AddKernel({ty, ty}, ty, exec));
}
return func;
}
+template <typename Op>
+std::shared_ptr<ScalarFunction> MakeUnaryArithmeticFunction(std::string name,
+ const FunctionDoc*
doc) {
+ auto func = std::make_shared<ArithmeticFunction>(name, Arity::Unary(), doc);
+ for (const auto& ty : NumericTypes()) {
+ auto exec = ArithmeticExecFromOp<ScalarUnary, Op>(ty);
+ DCHECK_OK(func->AddKernel({ty}, ty, exec));
+ }
+ return func;
+}
+
+// Like MakeUnaryArithmeticFunction, but for signed arithmetic ops that need
to run
+// only on non-null output.
+template <typename Op>
+std::shared_ptr<ScalarFunction>
MakeUnaryCheckedSignedArithmeticFunctionNotNull(
+ std::string name, const FunctionDoc* doc) {
+ auto func = std::make_shared<ArithmeticFunction>(name, Arity::Unary(), doc);
+ for (const auto& ty :
arrow::internal::FlattenVectors<std::shared_ptr<arrow::DataType>>(
+ {SignedIntTypes(), FloatingPointTypes()})) {
Review comment:
Also, I noticed that there are two variants of "is_unsigned_integer" one
in *type_traits.h* which is the one you reference and a templated alias in
*scalar_arithmetic.cc*, so I included "arrow/type_traits.h" and changed
invocation to *arrow::is_unsigned_integer(ty->id())*
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