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chore(main): release 4.0.0 #327

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2 changes: 1 addition & 1 deletion .release-please-manifest.json
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Original file line number Diff line number Diff line change
@@ -1,3 +1,3 @@
{
".": "3.1.2"
".": "4.0.0"
}

@github-actions github-actions Bot Sep 8, 2026

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[MegaLinter] reported by reviewdog 🐶

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}
}

37 changes: 37 additions & 0 deletions CHANGELOG.md
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# Changelog

## [4.0.0](https://github.com/embedded-pro/numerical-toolbox-cpp/compare/v3.1.2...v4.0.0) (2026-10-05)


### ⚠ BREAKING CHANGES

* toolbox code no longer builds at O3 with fast-math on its own. Consumers that want those optimizations pass them for whole translation units, e.g. -ffast-math -fno-finite-math-only.

### Features

* Add SetPreviousOutput to PidIncrementalBase ([#328](https://github.com/embedded-pro/numerical-toolbox-cpp/issues/328)) ([762b59e](https://github.com/embedded-pro/numerical-toolbox-cpp/commit/762b59ef15ea7d54bd6b703ff4bd75b25ae0c99f))
* **analysis:** Add mel filterbank and log-mel/MFCC front end ([#345](https://github.com/embedded-pro/numerical-toolbox-cpp/issues/345)) ([c9fedc1](https://github.com/embedded-pro/numerical-toolbox-cpp/commit/c9fedc1d7d9ee2b924ba53b6c30d5e33451a6e4a))
* **filters:** Let ComplementaryFilter integrate over a measured interval ([#335](https://github.com/embedded-pro/numerical-toolbox-cpp/issues/335)) ([1225b3c](https://github.com/embedded-pro/numerical-toolbox-cpp/commit/1225b3c422beab93e0ff8fd7231f8d7e087f6da4))
* **math:** Add central finite-difference gradient-check test helper ([#344](https://github.com/embedded-pro/numerical-toolbox-cpp/issues/344)) ([e024946](https://github.com/embedded-pro/numerical-toolbox-cpp/commit/e0249466c8afc3a3aa067343882bd1be696c431b)), closes [#341](https://github.com/embedded-pro/numerical-toolbox-cpp/issues/341)
* **optimization:** Add stateful SGD/momentum and Adam step optimisers ([#343](https://github.com/embedded-pro/numerical-toolbox-cpp/issues/343)) ([69ff13e](https://github.com/embedded-pro/numerical-toolbox-cpp/commit/69ff13e719895b74b167c4742130442c6b96a857))
* **simulator:** Render every panel and chart through ui-cpp ([#332](https://github.com/embedded-pro/numerical-toolbox-cpp/issues/332)) ([cff9616](https://github.com/embedded-pro/numerical-toolbox-cpp/commit/cff9616b206352cbb89e786d4fef7aaca4a6350d))
* **simulator:** Render the FFT charts through ui-cpp ([#331](https://github.com/embedded-pro/numerical-toolbox-cpp/issues/331)) ([09d8986](https://github.com/embedded-pro/numerical-toolbox-cpp/commit/09d8986c7e67d6e3524b856859dcad1f222e012f))


### Bug Fixes

* **build:** Propagate NumericalToolbox_ENABLE_OPTIMIZATIONS through numerical.math ([#346](https://github.com/embedded-pro/numerical-toolbox-cpp/issues/346)) ([a551f47](https://github.com/embedded-pro/numerical-toolbox-cpp/commit/a551f47ab879d4728bffea3b269246807b9baa5c)), closes [#337](https://github.com/embedded-pro/numerical-toolbox-cpp/issues/337)
* Scope the O3/fast-math pragma to each header instead of leaking it ([#347](https://github.com/embedded-pro/numerical-toolbox-cpp/issues/347)) ([fbabe8f](https://github.com/embedded-pro/numerical-toolbox-cpp/commit/fbabe8f8bd9f56b32ed9e72789e32f4d5023ceb3)), closes [#334](https://github.com/embedded-pro/numerical-toolbox-cpp/issues/334)


### Build System

* **deps:** Bump the patch-minor-action-updates group with 2 updates ([#330](https://github.com/embedded-pro/numerical-toolbox-cpp/issues/330)) ([7d1e7de](https://github.com/embedded-pro/numerical-toolbox-cpp/commit/7d1e7de61371043eb4783834413855710292dd29))
* **deps:** Bump the patch-minor-action-updates group with 2 updates ([#333](https://github.com/embedded-pro/numerical-toolbox-cpp/issues/333)) ([bd29584](https://github.com/embedded-pro/numerical-toolbox-cpp/commit/bd2958427f44847bfd5a97565af598240997bee7))
* **deps:** Bump the patch-minor-action-updates group with 2 updates ([#336](https://github.com/embedded-pro/numerical-toolbox-cpp/issues/336)) ([de14e02](https://github.com/embedded-pro/numerical-toolbox-cpp/commit/de14e024dd7f5637c536e0114dbb08282107b2be))
* **deps:** Bump the patch-minor-action-updates group with 3 updates ([#326](https://github.com/embedded-pro/numerical-toolbox-cpp/issues/326)) ([c580f38](https://github.com/embedded-pro/numerical-toolbox-cpp/commit/c580f38ccc835c0b8cd2286f3e1d9c3d99b713cd))


### Performance Improvements

* **math:** Build matrix results without zero-filling them first ([#349](https://github.com/embedded-pro/numerical-toolbox-cpp/issues/349)) ([e36d52a](https://github.com/embedded-pro/numerical-toolbox-cpp/commit/e36d52ad0a7b478af25bc9e542920b22baa7a70b))
* Stop setting optimization options per header and per function ([#348](https://github.com/embedded-pro/numerical-toolbox-cpp/issues/348)) ([31c7ac9](https://github.com/embedded-pro/numerical-toolbox-cpp/commit/31c7ac9b46b6a89a201a59bad5fed551ba715699))

## [3.1.2](https://github.com/embedded-pro/numerical-toolbox-cpp/compare/v3.1.1...v3.1.2) (2026-09-05)


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2 changes: 1 addition & 1 deletion CMakeLists.txt
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Expand Up @@ -61,7 +61,7 @@ if (NUMERICAL_TOOLBOX_STANDALONE)
endif()
endif()

project(numerical-toolbox LANGUAGES C CXX ASM VERSION 3.1.2) # x-release-please-version
project(numerical-toolbox LANGUAGES C CXX ASM VERSION 4.0.0) # x-release-please-version

set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED On)
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