ch1-Square

Chapter_1     Hello

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Square.cpp     TCP, p. 3-4

#include <iostream>
using std::cout;
using std::endl;

double square(double x); // return square of `x'
void print_square(double x);

int main()
{
print_square(1.234);

return 0;
}

// square a double-precision floating-point number
double square(double x)
{
return x*x;
}

void print_square(double x)
{
cout << "The square of " << x << " is " << square(x) << endl;
}
/*
g++ Square.cpp -o Square
./Square
The square of 1.234 is 1.52276
*/

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Chapter_1     Hello

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