X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Frand%2FGaloisLFSR.hpp;h=81652d85f54a64cd628c22a95d3493b6de6476cd;hb=29e8cfd4a72c248583ea9482864c016bb20f40f8;hp=2ee476b6e321cc5d0298993b75e134b0727aeaad;hpb=825f479edf9867938b6789215ad7ae6303596cba;p=blank.git

diff --git a/src/rand/GaloisLFSR.hpp b/src/rand/GaloisLFSR.hpp
index 2ee476b..81652d8 100644
--- a/src/rand/GaloisLFSR.hpp
+++ b/src/rand/GaloisLFSR.hpp
@@ -42,12 +42,25 @@ 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;
 		return (*this)(next);
 	}
 
+	float SNorm() noexcept {
+		return float(Next<std::uint32_t>()) * (1.0f / 2147483647.5f) - 1.0f;
+	}
+
+	float UNorm() noexcept {
+		return float(Next<std::uint32_t>()) * (1.0f / 4294967295.0f);
+	}
+
 	template<class Container>
 	typename Container::reference From(Container &c) {
 		return c[Next<typename Container::size_type>() % c.size()];