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fstream.cpp
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Created: Fri, Jul 19, 22:53

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();
	}

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