Diffusion SP4E-TB-TL-FR (W8_ex4_1to4_FR) Browse

R7571/lectures/code_snippets/fstream.cpp
82ddc20a545fW8_ex4_1to4_FR

fstream.cpp
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			#include <cmath>
			#include <fstream>
			#include <iomanip>
			#include <iostream>

			int main() {

			std::ofstream fout("test.plot");
			fout << M_PI << std::endl;
			fout.close();

			double pi_val;
			std::ifstream fin("test.plot");
			fin >> pi_val;
			std::cout << pi_val << std::endl;
			fin.close();
			}