cpp-course/modules/02_control_flow/src/conditionals.cpp

#include "conditionals.hpp"

namespace control_flow {

auto classify_score(const int score) -> Grade {
    if (score >= 90) return Grade::A;
    if (score >= 80) return Grade::B;
    if (score >= 70) return Grade::C;
    if (score >= 60) return Grade::D;
    return Grade::F;
}

auto max_of_three(const int a, const int b, const int c) -> int {
    if (a >= b) {
        if (a >= c) return a;
        if (c > a) return c;
    }
    if (b >= c) return b;
    if (c > b) return c;
    return -1;
}

auto sign_of(const int value) -> int {
    return value == 0 ? 0 : value > 0 ? 1 : -1;
}

}  // namespace control_flow