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Small patch to handle -Wfloat-equal warnings

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https://groups.google.com/d/msg/protobuf/H8_D1hfg3p4/A2oPHdfUAgAJ
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senhalil 2019-04-08 20:02:04 +02:00 committed by Adam Cozzette
parent 27228494c3
commit 97e7ddc015
1 changed files with 4 additions and 0 deletions
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4
src/google/protobuf/compiler/cpp/cpp_message.cc
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@ -177,6 +177,10 @@ bool EmitFieldNonDefaultCondition(io::Printer* printer,
} else if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) {
// Message fields still have has_$name$() methods.
format("if ($prefix$has_$name$()) {\n");
} else if (field->cpp_type() == FieldDescriptor::CPPTYPE_DOUBLE
|| field->cpp_type() == FieldDescriptor::CPPTYPE_FLOAT) {
// Handle float comparison to prevent -Wfloat-equal warnings
format("if (!($prefix$$name$() <= 0 && $prefix$$name$() >= 0)) {\n");
} else {
format("if ($prefix$$name$() != 0) {\n");
}