X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Frand%2FGaloisLFSR.hpp;h=f8a61e23f3f7c721689d7e0ff4a2404aa671f412;hb=fab49d91255ef7d265817213c3da7e5f81df97a0;hp=f5de7ad0bb650f15d9d6870d82e3bd6f3ee97b70;hpb=150d065f431d665326fd8028748c48a74ad956bb;p=blank.git

diff --git a/src/rand/GaloisLFSR.hpp b/src/rand/GaloisLFSR.hpp
index f5de7ad..f8a61e2 100644
--- a/src/rand/GaloisLFSR.hpp
+++ b/src/rand/GaloisLFSR.hpp
@@ -1,6 +1,7 @@
 #ifndef BLANK_RAND_GALOISLFSR_HPP_
 #define BLANK_RAND_GALOISLFSR_HPP_
 
+#include <cassert>
 #include <cstdint>
 #include <limits>
 
@@ -42,6 +43,11 @@ public:
 		return out = static_cast<T>(state);
 	}
 
+	/// special case for randrom(boolean), since static_cast<bool>(0b10) == true
+	bool operator ()(bool &out) noexcept {
+		return out = operator ()();
+	}
+
 	template<class T>
 	T Next() noexcept {
 		T next;
@@ -58,10 +64,12 @@ public:
 
 	template<class Container>
 	typename Container::reference From(Container &c) {
+		assert(c.size() > 0);
 		return c[Next<typename Container::size_type>() % c.size()];
 	}
 	template<class Container>
 	typename Container::const_reference From(const Container &c) {
+		assert(c.size() > 0);
 		return c[Next<typename Container::size_type>() % c.size()];
 	}