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30 lines
788 B
30 lines
788 B
// A simple program that computes the square root of a number
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#include <cmath>
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#include <iostream>
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#include <string>
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// TODO 5: Include MathFunctions.h
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#include "TutorialConfig.h"
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int main(int argc, char* argv[])
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{
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if (argc < 2) {
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// report version
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std::cout << argv[0] << " Version " << Tutorial_VERSION_MAJOR << "."
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<< Tutorial_VERSION_MINOR << std::endl;
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std::cout << "Usage: " << argv[0] << " number" << std::endl;
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return 1;
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}
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// convert input to double
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const double inputValue = std::stod(argv[1]);
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// TODO 6: Replace sqrt with mathfunctions::sqrt
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// calculate square root
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const double outputValue = sqrt(inputValue);
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std::cout << "The square root of " << inputValue << " is " << outputValue
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<< std::endl;
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return 0;
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}
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