[libcxx-commits] [libcxx] add floating point type check for uniform real distrubtion (PR #70564)

[Nhat Nguyen via libcxx-commits]

https://github.com/NhatNguyen1810 updated https://github.com/llvm/llvm-project/pull/70564

>From 3473e1e90a9b04c079d405123fcd9e35700ca5a4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E2=80=9CNhat?= <“nhat7203 at gmail.com”>
Date: Sat, 28 Oct 2023 14:30:43 -0400
Subject: [PATCH] add floating point type check for uniform real distrubtion

---
 libcxx/include/__random/uniform_real_distribution.h | 3 +++
 libcxx/test/libcxx/transitive_includes/cxx23.csv    | 1 +
 libcxx/test/libcxx/transitive_includes/cxx26.csv    | 1 +
 3 files changed, 5 insertions(+)

diff --git a/libcxx/include/__random/uniform_real_distribution.h b/libcxx/include/__random/uniform_real_distribution.h
index 1388cef95f39414..89b95f5a5bfe9d7 100644
--- a/libcxx/include/__random/uniform_real_distribution.h
+++ b/libcxx/include/__random/uniform_real_distribution.h
@@ -14,6 +14,7 @@
 #include <__random/is_valid.h>
 #include <iosfwd>
 #include <limits>
+#include <type_traits>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #  pragma GCC system_header
@@ -27,6 +28,8 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 template<class _RealType = double>
 class _LIBCPP_TEMPLATE_VIS uniform_real_distribution
 {
+  static_assert(std::is_floating_point<_RealType>::value, "result_type must be of floating type");
+
 public:
     // types
     typedef _RealType result_type;
diff --git a/libcxx/test/libcxx/transitive_includes/cxx23.csv b/libcxx/test/libcxx/transitive_includes/cxx23.csv
index 236dedd186c9268..1035cb418822de8 100644
--- a/libcxx/test/libcxx/transitive_includes/cxx23.csv
+++ b/libcxx/test/libcxx/transitive_includes/cxx23.csv
@@ -495,6 +495,7 @@ random iosfwd
 random limits
 random numeric
 random string
+random type_traits
 random vector
 random version
 ranges compare
diff --git a/libcxx/test/libcxx/transitive_includes/cxx26.csv b/libcxx/test/libcxx/transitive_includes/cxx26.csv
index 236dedd186c9268..1035cb418822de8 100644
--- a/libcxx/test/libcxx/transitive_includes/cxx26.csv
+++ b/libcxx/test/libcxx/transitive_includes/cxx26.csv
@@ -495,6 +495,7 @@ random iosfwd
 random limits
 random numeric
 random string
+random type_traits
 random vector
 random version
 ranges compare