Installation¶

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MathExpr is a header-only C++ library distributed as a CMake package, and requires a C++20-capable compiler. There are three ways to use it in a project.

CMake FetchContent (Recommended)¶

Add MathExpr as a dependency fetched at configure time:

include(FetchContent)
FetchContent_Declare(
    MathExpr
    GIT_REPOSITORY https://github.com/sukeya/MathExpr.git
    GIT_TAG        main
)
FetchContent_MakeAvailable(MathExpr)

target_link_libraries(my_target PRIVATE MathExpr)

Direct header inclusion¶

Copy the include/ directory into your project and add it to the include path. Then include the top-level header:

#include "math_expr.hpp"

System-wide install (not Recommended)¶

Configure and install MathExpr to the system prefix:

cmake -B build
cmake --install build

Then consume it from another CMake project with:

find_package(MathExpr REQUIRED)
target_link_libraries(my_target PRIVATE MathExpr::MathExpr)

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