From 8b8cf836f3db86d445b0e0a948d2f86dfd3a9814 Mon Sep 17 00:00:00 2001
From: szdytom <szdytom@163.com>
Date: Tue, 18 Jul 2023 20:10:39 +0800
Subject: [PATCH] add ranged uniform real sequence

---
 libvmake/examples/random_numbers.cpp | 4 +++-
 libvmake/vmake.hpp                   | 7 +++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/libvmake/examples/random_numbers.cpp b/libvmake/examples/random_numbers.cpp
index 71fd802..a37a3f6 100644
--- a/libvmake/examples/random_numbers.cpp
+++ b/libvmake/examples/random_numbers.cpp
@@ -3,6 +3,8 @@
 using namespace std;
 
 int main() {
-	vmake::output(cout, " ", vmake::take(vmake::rng::uniform_ints(1, 10), 10));
+	vmake::output(cout, " ", vmake::take(vmake::rng::uniform_ints(1, 10), 15));
+	cout << endl;
+	vmake::output(cout, " ", vmake::take(vmake::rng::uniform_reals(1., 10.), 5));
 	return 0;
 }
diff --git a/libvmake/vmake.hpp b/libvmake/vmake.hpp
index e6da714..c7a6a2a 100644
--- a/libvmake/vmake.hpp
+++ b/libvmake/vmake.hpp
@@ -411,6 +411,13 @@ inline auto uniform_ints(Tval l, Tval r) {
 	});
 }
 
+template<typename Tval = double, typename Engine = std::default_random_engine>
+inline auto uniform_reals(Tval l, Tval r) {
+	return generate([rng = Engine(), dis = std::uniform_real_distribution<Tval>(l, r)]() mutable {
+		return dis(rng);
+	});
+}
+
 }
 
 template<typename OutputIt, typename Gen>