---
id: pr-cccl-cub-5413
repo: NVIDIA/cccl
pr: 5413
title: Add common constants for floating point types
author: miscco
date: '2025-08-05'
url: https://github.com/NVIDIA/cccl/pull/5413
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
techniques: []
hardware_features:
- fp8
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: db850c6276c061c1983e08057ca79891554ea9c1
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- libcudacxx/include/cuda/std/__floating_point/constants.h
- libcudacxx/test/libcudacxx/libcxx/numerics/floating.point/constants.pass.cpp
artifact_dir: evidence/pull-bundles/cccl-cub/gh-5413
head_ref_oid: 0c421ae0442a56798eb8b505e0499418dbdd150d
---
# Add common constants for floating point types

- Repository: `NVIDIA/cccl`
- PR: [5413](https://github.com/NVIDIA/cccl/pull/5413)
- Decision: `Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.`
- Reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.

## Changed Paths

- `libcudacxx/include/cuda/std/__floating_point/constants.h`
- `libcudacxx/test/libcudacxx/libcxx/numerics/floating.point/constants.pass.cpp`

## Evidence Bundle

`evidence/pull-bundles/cccl-cub/gh-5413`
