ET

General purpose expression templates library for C++20.

Intended mostly for CFD and other HPC applications.

Building

cmake -B build -DCMAKE_BUILD_TYPE=Release
cmake --build build

Run the examples:

./build/et_test
./build/derivative_test

Including into your project

Option one: use cmake add_subdirectory assuming you have downloaded ET source code into external/et:

add_subdirectory(external/et)

then link your executable to et library

add_executable(my_executable)
target_link_library(my_executable PRIVATE et)

Usage

Compatibility and requirements

Library requires C++20, tested with GCC 14,15 and Clang 19,20

See also

Boost.YAP https://www.boost.org/doc/libs/1_88_0/doc/html/yap.html

License

MIT license

Copyright (c) 2025 Ilya Popov, ISTEQ BV