Use CUDA assert function in device code

libs/assertion/include/hpx/assertion.hpp

@@ -7,6 +7,7 @@
 //  Make HPX inspect tool happy:
 //                               hpxinspect:noinclude:HPX_ASSERT
 //                               hpxinspect:noinclude:HPX_ASSERT_MSG
+//                               hpxinspect:noassert_macro
 
 //  Note: There are no include guards. This is intentional.
 
@@ -16,6 +17,9 @@
 #include <hpx/assertion/source_location.hpp>
 #include <hpx/preprocessor/stringize.hpp>
 
+#if defined(HPX_COMPUTE_DEVICE_CODE)
+#include <assert.h>
+#endif
 #include <string>
 #include <type_traits>
 
@@ -61,8 +65,13 @@ namespace hpx { namespace assertion {
     /**/
 
 #if defined(HPX_DEBUG)
+#if defined(HPX_COMPUTE_DEVICE_CODE)
+#define HPX_ASSERT(expr) assert(expr)
+#define HPX_ASSERT_MSG(expr, msg) HPX_ASSERT(expr)
+#else
 #define HPX_ASSERT(expr) HPX_ASSERT_(expr, std::string())
 #define HPX_ASSERT_MSG(expr, msg) HPX_ASSERT_(expr, msg)
+#endif
 #define HPX_NOEXCEPT_WITH_ASSERT
 #else
 #define HPX_ASSERT(expr)