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-rw-r--r--src/random.cc29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/random.cc b/src/random.cc
new file mode 100644
index 0000000..dba3647
--- /dev/null
+++ b/src/random.cc
@@ -0,0 +1,29 @@
+#include "random.h"
+
+namespace utility {
+
+std::size_t Random::Range::get() {
+ return this->distribution_(*(this->generator_));
+}
+
+Random::Range::Range(
+ std::mt19937* const generator,
+ const std::size_t a,
+ const std::size_t b
+):
+ generator_(generator),
+ distribution_(a, b) { }
+
+Random::Random():
+ device_{},
+ generator_{device_()} { }
+
+Random::Range Random::makeRange(
+ const std::size_t a,
+ const std::size_t b) {
+ this->generator_.seed(this->device_());
+
+ return Range{&(this->generator_), a, b};
+}
+
+}