From: =?utf-8?q?Timo_R=C3=B6hling?= <roehling@debian.org>
Date: Sat, 1 Jul 2023 10:54:41 +0200
Subject: Handle architecture-dependent signedness of char and wchar_t

---
 src/stdgpu/limits.h | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/src/stdgpu/limits.h b/src/stdgpu/limits.h
index 9276d2d..8ba777c 100644
--- a/src/stdgpu/limits.h
+++ b/src/stdgpu/limits.h
@@ -253,7 +253,7 @@ struct numeric_limits<char>
      * \brief Whether the type is signed
      * \note implementation-defined
      */
-    static constexpr bool is_signed = true;
+    static constexpr bool is_signed = ((char)(-1) < 0);
 
     /**
      * \brief Whether the type is an integer
@@ -490,16 +490,10 @@ struct numeric_limits<wchar_t>
      */
     static constexpr bool is_specialized = true;
 
-/**
- * \var is_signed
- * \brief Whether the type is signed
- * \note implementation-defined
- */
-#if STDGPU_HOST_COMPILER == STDGPU_HOST_COMPILER_MSVC
-    static constexpr bool is_signed = false;
-#else
-    static constexpr bool is_signed = true;
-#endif
+    /**
+     * \brief Whether the type is signed
+     */
+    static constexpr bool is_signed = ((wchar_t)(-1) < 0);
 
     /**
      * \brief Whether the type is an integer