aalkin commented on code in PR #34069:
URL: https://github.com/apache/arrow/pull/34069#discussion_r1098508315
##########
cpp/src/gandiva/function_registry_math_ops.cc:
##########
@@ -62,11 +73,16 @@ namespace gandiva {
std::vector<NativeFunction> GetMathOpsFunctionRegistry() {
static std::vector<NativeFunction> math_fn_registry_ = {
MATH_UNARY_OPS(cbrt, {}), MATH_UNARY_OPS(exp, {}), MATH_UNARY_OPS(log,
{}),
- MATH_UNARY_OPS(log10, {}),
+ MATH_UNARY_OPS(log10, {}), MATH_UNARY_OPS(sqrt, {}),
+
+ MATH_UNARY_OPS_FLOAT(sqrtf, {}), MATH_UNARY_OPS_FLOAT(cbrtf, {}),
+ MATH_UNARY_OPS_FLOAT(expf, {}), MATH_UNARY_OPS_FLOAT(logf, {}),
+ MATH_UNARY_OPS_FLOAT(log10f, {}),
Review Comment:
The reasoning here is that we deal with limited precision data and we want
to avoid automatic promotion to double from float, which has memory and
performance implications. Having float-only functions allows us to spot the
issues where extra precision may be used incorrectly at compilation time.
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