How to Convert a Set of Floats to a Set of Strings in C++ - Step by Step Examples

How to Convert a Set of Floats to a Set of Strings in C++ ?

Answer

To convert a set of floats to a set of strings in C++, you can use the std::transform algorithm along with a lambda function to transform each float value into its string representation.


✐ Examples

1 Convert a Set of Floats {1.1, 2.2, 3.3} to Strings

In this example,

  1. First, we create a set of floats named floatSet1 with values {1.1, 2.2, 3.3}.
  2. Next, we define an empty set of strings called stringSet1.
  3. We use the std::transform algorithm along with a lambda function to transform each float value in floatSet1 to its string representation. The lambda function converts each float value to a string using std::to_string().
  4. Finally, we iterate through stringSet1 and print each string value to the console to verify the conversion.

C++ Program

#include <iostream>
#include <algorithm>
#include <set>
#include <string>

int main() {
    std::set<float> floatSet1 = {1.1, 2.2, 3.3};
    std::set<std::string> stringSet1;
    std::transform(floatSet1.begin(), floatSet1.end(), std::inserter(stringSet1, stringSet1.end()),
                   [](float f) { return std::to_string(f); });

    for (const auto& str : stringSet1) {
        std::cout << str << std::endl;
    }
    return 0;
}

Output

1.1
2.2
3.3

2 Convert a Set of Floats {4.5, 5.6, 6.7} to Strings

In this example,

  1. First, we create a set of floats named floatSet2 with values {4.5, 5.6, 6.7}.
  2. Next, we define an empty set of strings called stringSet2.
  3. We use the std::transform algorithm along with a lambda function to transform each float value in floatSet2 to its string representation. The lambda function converts each float value to a string using std::to_string().
  4. Finally, we iterate through stringSet2 and print each string value to the console to verify the conversion.

C++ Program

#include <iostream>
#include <algorithm>
#include <set>
#include <string>

int main() {
    std::set<float> floatSet2 = {4.5, 5.6, 6.7};
    std::set<std::string> stringSet2;
    std::transform(floatSet2.begin(), floatSet2.end(), std::inserter(stringSet2, stringSet2.end()),
                   [](float f) { return std::to_string(f); });

    for (const auto& str : stringSet2) {
        std::cout << str << std::endl;
    }
    return 0;
}

Output

4.5
5.6
6.7

Summary

In this tutorial, we learned How to Convert a Set of Floats to a Set of Strings in C++ language with well detailed examples.


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