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implement random function

This commit is contained in:
Eduardo Bart 2011-12-09 01:08:53 -02:00
parent 7233e4e039
commit eb3ff0950a
1 changed files with 19 additions and 0 deletions
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19
src/framework/util/tools.h
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@ -263,6 +263,25 @@ void throwException(const T&... args) {
throw Exception(Fw::mkstr(args...));
}
template<typename T>
T randomRange(T min, T max);
template<>
inline int randomRange<int>(int min, int max) {
static std::random_device rd;
static std::mt19937 gen(rd());
static std::uniform_int_distribution<int> dis(0, 2147483647);
return min + (dis(gen) % (max - min + 1));
}
template<>
inline float randomRange<float>(float min, float max) {
static std::random_device rd;
static std::mt19937 gen(rd());
static std::uniform_real_distribution<float> dis(0.0, 1.0);
return min + (max - min)*dis(gen);
}
}
// shortcut for Fw::dump