added small eigen example

This commit is contained in:
Karl-Wilfried Zimmer 2023-12-31 14:48:12 +01:00
parent a1d55299a1
commit fa806f62fa
3 changed files with 21 additions and 1 deletions

View File

@ -2,6 +2,14 @@ cmake_minimum_required(VERSION 3.10)
project(Geometry) project(Geometry)
set(CMAKE_CXX_STANDARD 17)
include_directories(${PROJECT_SOURCE_DIR}/include) include_directories(${PROJECT_SOURCE_DIR}/include)
add_subdirectory(lib/eigen)
add_executable(Geometry main.cpp) add_executable(Geometry main.cpp)
target_link_libraries(Geometry PUBLIC Eigen3::Eigen)
target_include_directories(Geometry PUBLIC "${PROJECT_BINARY_DIR}" "${PROJECT_SOURCE_DIR}/lib/eigen/Eigen")

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@ -6,9 +6,12 @@
#define GEOMETRY_MAIN_H #define GEOMETRY_MAIN_H
#include <iostream> #include <iostream>
#include <Dense>
using namespace std; using namespace std;
void eigenExample();
int main(); int main();
#endif //GEOMETRY_MAIN_H #endif //GEOMETRY_MAIN_H

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@ -1,6 +1,15 @@
#include "main.h" #include "main.h"
int main(){ int main(){
cout<<"Hello World"; cout<<"Hello World"<<endl;
eigenExample();
return 0; return 0;
}
void eigenExample(){
Eigen::MatrixXd m(2,2);
m(1,0) = 2.5;
m(0,1) = -1;
m(1,1) = m(1,0) + m(0,1);
cout << m << endl;
} }