pitrou commented on a change in pull request #8437:
URL: https://github.com/apache/arrow/pull/8437#discussion_r503198538
##########
File path: cpp/src/arrow/compute/kernels/aggregate_test.cc
##########
@@ -1070,22 +1065,39 @@ TEST_F(TestVarStdKernelStability, Basics) {
VarianceOptions options{1}; // ddof = 1
this->AssertVarStdIs("[100000004, 100000007, 100000013, 100000016]",
options, 30.0);
this->AssertVarStdIs("[1000000004, 1000000007, 1000000013, 1000000016]",
options, 30.0);
+
+#ifndef __MINGW32__ // MinGW has precision issues
Review comment:
This was only the 32-bit MinGW build, i.e. it was perhaps not MinGW but
x87 (perhaps you can check with a 32-bit Linux build?).
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