From b3a43346b110ecbdbbc9d8c025fee09b4b35e2b6 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@clickhouse.com>
Date: Sun, 10 Mar 2024 06:59:42 +0100
Subject: [PATCH] Revert "Fix UBSan report"

This reverts commit 8d25f27b1901d4d4999558b987a415c4c289e2ba.
---
 src/Compression/CompressionCodecDoubleDelta.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Compression/CompressionCodecDoubleDelta.cpp b/src/Compression/CompressionCodecDoubleDelta.cpp
index fe18578eb2a..99089ed6770 100644
--- a/src/Compression/CompressionCodecDoubleDelta.cpp
+++ b/src/Compression/CompressionCodecDoubleDelta.cpp
@@ -343,7 +343,7 @@ UInt32 compressDataForType(const char * source, UInt32 source_size, char * dest)
             const auto sign = signed_dd < 0;
 
             // -1 shrinks dd down to fit into number of bits, and there can't be 0, so it is OK.
-            const auto abs_value = (sign ? -static_cast<UnsignedDeltaType>(signed_dd) : static_cast<UnsignedDeltaType>(signed_dd)) - 1;
+            const auto abs_value = static_cast<UnsignedDeltaType>(std::abs(signed_dd) - 1);
             const auto write_spec = getDeltaWriteSpec(signed_dd);
 
             writer.writeBits(write_spec.prefix_bits, write_spec.prefix);