From ee2b504f21ab47f31888e0040b0631319ed37481 Mon Sep 17 00:00:00 2001
From: Greg Lueck <gregory.m.lueck@intel.com>
Date: Thu, 10 Sep 2026 11:21:33 -0400
Subject: [PATCH] Add default constructor to nd_range

Cherry pick #1046 from main
(cherry picked from commit bceca862d1c4faee05b585fa429a9ff1e4a20759)
---
 adoc/chapters/programming_interface.adoc | 9 +++++++++
 adoc/headers/ndRange.h                   | 4 +++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/adoc/chapters/programming_interface.adoc b/adoc/chapters/programming_interface.adoc
index 90c879a8c..edb42c84c 100644
--- a/adoc/chapters/programming_interface.adoc
+++ b/adoc/chapters/programming_interface.adoc
@@ -12357,6 +12357,15 @@ listed in <<sec:byval-semantics>> in <<table.specialmembers.common.byval>> and
 [width="100%",options="header",separator="@",cols="65%,35%"]
 |====
 @ Constructor @ Description
+a@
+[source]
+----
+nd_range() noexcept;
+----
+   a@ Construct an [code]#nd_range# whose global range, local range and
+      offset are each default constructed, which means that each of their
+      components has the value [code]#0#.
+
 a@
 [source]
 ----
diff --git a/adoc/headers/ndRange.h b/adoc/headers/ndRange.h
index bcdf4fd1d..1d83345f5 100644
--- a/adoc/headers/ndRange.h
+++ b/adoc/headers/ndRange.h
@@ -6,12 +6,14 @@ template <int Dimensions = 1> class nd_range {
  public:
   static constexpr int dimensions = Dimensions;
 
-  /* -- common interface members -- */
+  nd_range() noexcept;
 
   // The offset is deprecated in SYCL 2020.
   nd_range(range<Dimensions> globalSize, range<Dimensions> localSize,
            id<Dimensions> offset = id<Dimensions>()) noexcept;
 
+  /* -- common interface members -- */
+
   range<Dimensions> get_global_range() const noexcept;
   range<Dimensions> get_local_range() const noexcept;
   range<Dimensions> get_group_range() const noexcept;