Matts 2025Q1 report

Author: mborland

_posts/2025-04-14-Matts2025Q1Update.md

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+---
+layout: post
+nav-class: dark
+categories: matt
+title: Looking at the Numbers
+author-id: matt
+author-name: Matt Borland
+---
+
+We continue to make exciting progress developing new libraries for inclusion in Boost.
+
+# New Libraries
+
+## Decimal
+
+Decimal ([https://github.com/cppalliance/decimal](https://github.com/cppalliance/decimal)) is a ground-up implementation of IEEE 754 Decimal Floating Point types in C++14, co-authored with Chris Kormanyos.
+In January we had our formal review for inclusion in Boost.
+Unfortunately, we were not accepted, but we were also not rejected.
+There were a lot of comments that we have addressed in the past few months, and many other optimization path we are pursuing.
+We will look at doing a mini-review later in the year once we talk with our review manager, and the Boost community on the updated state of the library.
+The library is certainly better now than it was in Janurary, and will continue to improve over the coming months.
+We welcome users to try the library and provide feedback before we pursue a second review.
+Discussions are ongoing in the Cpplang Slack channel `#boost-decimal`.
+
+## int128
+
+Int128 ([https://github.com/cppalliance/int128](https://github.com/cppalliance/int128)) is a small library that has more or less fallen out of work on Decimal.
+It provides two type: an unsigned 128-bit integer and a signed 128-bit integer.
+There are plenty of applications of 128-bit integers, but trying to make them portable is a pain.
+Since Decial uses 128-bit integers behind the scenes we decided to pull those parts out into their own library.
+We have optimizations for a variety of 32-bit and 64-bit platforms as we benchmark all commits extensivly.
+Look for this one to be announced shortly.
+
+## Crypt
+
+I know there are a few people interested in this library.
+Unfortunately, due to the above two libraries we did not have as much time for Crypt as we would have liked.
+We did make some improvements to memory safety, and contiue to make architectural improvements.
+This library will continue to develop over the coming months.
+We think it will be worth the wait.
+
+# Existing Libraries
+
+## Random
+
+By popular demand I added a number of PRNGs from the XOSHIRO Family (128, 256, and 512 bits) which shipped with Boost version 1.88.
+If you are unsure of which generator you need in your code this family of generators is a good starting point.
+Details and performance measurements can be found in the Boost.Random docs starting with Boost version 1.88.