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Posted to commits@gluten.apache.org by "littlelittlewhite09 (via GitHub)" <gi...@apache.org> on 2026/06/24 10:51:05 UTC

[I] Floating-point precision issues [gluten]

littlelittlewhite09 opened a new issue, #12356:
URL: https://github.com/apache/gluten/issues/12356

   ### Backend
   
   VL (Velox)
   
   ### Bug description
   
   SQL：select cast (2.8 / cast(0.0130597014925373134 as decimal(38,19)) as double);
   Gluten: 214.39999999999998
   vanilla Spark: 214.4
   When the HiveTable inserted has field which is Integer Type, this issue may cause wrong result.
   Gluten version: 1.6.0
   Spark version: 3.5.8
   
   ### Gluten version
   
   _No response_
   
   ### Spark version
   
   None
   
   ### Spark configurations
   
   spark.sql.decimalOperations.allowPrecisionLoss=false
   when spark.sql.decimalOperations.allowPrecisionLoss=true; Gluten will return right result. 
   
   ### System information
   
   _No response_
   
   ### Relevant logs
   
   ```bash
   
   ```


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Re: [I] Floating-point precision issues [gluten]

Posted by "rui-mo (via GitHub)" <gi...@apache.org>.
rui-mo closed issue #12356: Floating-point precision issues
URL: https://github.com/apache/gluten/issues/12356


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Re: [I] Floating-point precision issues [gluten]

Posted by "Smallfu666 (via GitHub)" <gi...@apache.org>.
Smallfu666 commented on issue #12356:
URL: https://github.com/apache/gluten/issues/12356#issuecomment-5055938460

   take


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