Matt 2025Q4

Author: mborland

_posts/2026-01-15-Matts2025Q4Update.md

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+layout: post
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+categories: matt
+title: Decimal is Accepted and Next Steps
+author-id: matt
+author-name: Matt Borland
+---
+
+After two reviews the Decimal ([https://github.com/cppalliance/decimal](https://github.com/cppalliance/decimal)) library has been accepted into Boost.
+Look for it to ship for the first time with Boost 1.91 in the Spring.
+For current and prospective users, a new release series (v6) is available on the releases page of the library.
+This major version change contains all of the bug fixes and addresses comments from the second review.
+We have once again overhauled the documentation based on the review to include a significant increase in the number of examples.
+Between the `Basic Usage` and `Examples` tabs on the website we believe there's now enough information to quickly make good use of the library.
+One big quality of life worth highlighting for this version is that it ships with pretty printers for both GDB and LLDB.
+It is a huge release (1108 commits with a diff stat of >50k LOC), but is be better than ever.
+I expect that this is the last major version that will be released prior to moving to the Boost release cycle.
+
+Where to go from here?
+
+As I have mentioned in previous posts, the int128 ([https://github.com/cppalliance/int128](https://github.com/cppalliance/int128)) library started life as the backend for portable arithmetic and representation in the Decimal library.
+It has since been expanded to include more of the standard library features that are unnecessary as a back-end, but useful to many people like `<format>` support. 
+The last major update that I intend to make to the library prior to proposal for Boost is to add CUDA support.
+This would not only add portability to another platform for many users, it would open the door for Decimal to also have CUDA support.
+I will also be looking at a few of our performance measures as I think there are still places for improvement (such as signed 128-bit division).
+
+Lastly, towards the end of this quarter (March 5 - March 15), I will be serving as the review manager for Alfredo Correa's Multi ([https://github.com/correaa/boost-multi](https://github.com/correaa/boost-multi)) library.
+Multi is a modern C++ library that provides manipulation and access of data in multidimensional arrays for both CPU and GPU memory.
+Feel free to give the library a go now and comment on what you find. 
+This is a very high quality library which should have an exciting review.