c-resources/CPlusPlus20ForProgrammers-m.../examples/ch12/fig12_08/fig12_08.cpp

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// fig12_08.cpp
// Division by zero with a precondition.
#include <iostream>
double quotient(double numerator, double denominator)
[[pre: denominator != 0.0]];
int main() {
std::cout << "quotient(100, 7): " << quotient(100, 7)
<< "\nquotient(100, 0): " << quotient(100, 0) << '\n';
}
// perform division
double quotient(double numerator, double denominator) {
return numerator / denominator;
}
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