pitrou commented on code in PR #184: URL: https://github.com/apache/parquet-format/pull/184#discussion_r957063147
########## LogicalTypes.md: ########## @@ -245,6 +245,18 @@ comparison. To support compatibility with older readers, implementations of parquet-format should write `DecimalType` precision and scale into the corresponding SchemaElement field in metadata. +### Half-precision floating-point + +Also known as `float16`. Used in contexts where precision is traded off for performance and efficient storage. + +It is stored as a two-byte fixed-length binary, following the 16-bit IEEE standards: + +* 1 sign bit +* 5 bits exponent +* 10 bits mantissa/significand + +sign (mantissa) * 10^exponent Review Comment: ```suggestion The primitive type is a 2-byte fixed length binary. ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: dev-unsubscr...@parquet.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
