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ReleaseNotes.md

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Introduction

This document contains the release notes for the automatic differentiation plugin for clang Clad, release 1.2. Clad is built on top of Clang and LLVM compiler infrastructure. Here we describe the status of Clad in some detail, including major improvements from the previous release and new feature work.

Note that if you are reading this file from a git checkout, this document applies to the next release, not the current one.

What's New in Clad 1.2?

Some of the major new features and improvements to Clad are listed here. Generic improvements to Clad as a whole or to its underlying infrastructure are described first.

External Dependencies

  • Clad now works with clang-5.0 to clang-16

Forward Mode

  • Add experimental support for forward vector mode.
  • Improve support of comma expressions.

Reverse Mode

  • Add pushforwards for std::floor and std::ceil.

Misc

  • Fill clad::array with 0s when assigned an empty brace-init list.
  • Improve documentation
  • Improve AD function interfaces with bitmasked options. For example: clad::differentiate<<clad::order::first, clad::opts::vector_mode>(f) will be equivalent to clad::differentiate<<1, clad::opts::vector_mode>(f) and will request the first order derivative of f in forward vector mode.

Fixed Bugs

218 395 521 523 541 566 573 582

Special Kudos

This release wouldn't have happened without the efforts of our contributors, listed in the form of Firstname Lastname (#contributions):

FirstName LastName (#commits)

Jonas Hahnfeld (27) Vaibhav Thakkar (18) Ris-Bali (5) Garima Singh (3) Vassil Vassilev (2) Rishabh Bali (2) vidushi (1) petro.zarytskyi (1) daemondzh (1) ShounakDas101 (1) Prajwal S N (1) PetroZarytskyi (1) Daemond (1)