[jira] [Commented] (ARROW-786) [Format] In-memory format for 128-bit Decimals, handling of sign bit

2017-08-02 Thread Phillip Cloud (JIRA)
[ https://issues.apache.org/jira/browse/ARROW-786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16110990#comment-16110990 ] Phillip Cloud commented on ARROW-786: - I'm going to try to get to this > [Format] In-memory format

[jira] [Commented] (ARROW-786) [Format] In-memory format for 128-bit Decimals, handling of sign bit

2017-08-01 Thread Wes McKinney (JIRA)
[ https://issues.apache.org/jira/browse/ARROW-786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16110206#comment-16110206 ] Wes McKinney commented on ARROW-786: It doesn't look like this will be resolved in 0.6.0; moving to the

[jira] [Commented] (ARROW-786) [Format] In-memory format for 128-bit Decimals, handling of sign bit

2017-07-26 Thread Wes McKinney (JIRA)
[ https://issues.apache.org/jira/browse/ARROW-786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16102037#comment-16102037 ] Wes McKinney commented on ARROW-786: It seems like we might end up having to build a from-scratch

[jira] [Commented] (ARROW-786) [Format] In-memory format for 128-bit Decimals, handling of sign bit

2017-07-26 Thread Phillip Cloud (JIRA)
[ https://issues.apache.org/jira/browse/ARROW-786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16101976#comment-16101976 ] Phillip Cloud commented on ARROW-786: - That should be possible. Though because boost is using 128 bits

[jira] [Commented] (ARROW-786) [Format] In-memory format for 128-bit Decimals, handling of sign bit

2017-07-26 Thread Wes McKinney (JIRA)
[ https://issues.apache.org/jira/browse/ARROW-786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16101901#comment-16101901 ] Wes McKinney commented on ARROW-786: [~cpcloud] is it possible to do bit twiddling to convert between

[jira] [Commented] (ARROW-786) [Format] In-memory format for 128-bit Decimals, handling of sign bit

2017-07-26 Thread Phillip Cloud (JIRA)
[ https://issues.apache.org/jira/browse/ARROW-786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16101887#comment-16101887 ] Phillip Cloud commented on ARROW-786: - [~jnadeau] {{__int128_t}} doesn't work on Windows (with vc++)

[jira] [Commented] (ARROW-786) [Format] In-memory format for 128-bit Decimals, handling of sign bit

2017-07-26 Thread Jacques Nadeau (JIRA)
[ https://issues.apache.org/jira/browse/ARROW-786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16101842#comment-16101842 ] Jacques Nadeau commented on ARROW-786: -- Would also be good to confirm the memory representation of <16

[jira] [Commented] (ARROW-786) [Format] In-memory format for 128-bit Decimals, handling of sign bit

2017-07-26 Thread Jacques Nadeau (JIRA)
[ https://issues.apache.org/jira/browse/ARROW-786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16101836#comment-16101836 ] Jacques Nadeau commented on ARROW-786: -- The current format of the java implementation is an embedded