From 59c23b4d719e5e5dc672683b2c12c5ecdd085e73 Mon Sep 17 00:00:00 2001
From: apradhana <andre.pradhana@gmail.com>
Date: Tue, 10 Sep 2024 10:53:22 -0700
Subject: [PATCH] Add cwiseAdd to Vec3.h because half type doesn't satisfy
 std::is_arithmetic so the operator doesn't get instantiated.

Signed-off-by: apradhana <andre.pradhana@gmail.com>
---
 openvdb/openvdb/math/Vec3.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/openvdb/openvdb/math/Vec3.h b/openvdb/openvdb/math/Vec3.h
index 2ea5d32838..0b8c5acceb 100644
--- a/openvdb/openvdb/math/Vec3.h
+++ b/openvdb/openvdb/math/Vec3.h
@@ -594,6 +594,20 @@ Abs(const Vec3<T>& v)
     return Vec3<T>(Abs(v[0]), Abs(v[1]), Abs(v[2]));
 }
 
+template<>
+inline auto cwiseAdd(const Vec3<math::internal::half>& v, const float s)
+{
+    Vec3<math::internal::half> out;
+    const math::internal::half* ip = v.asPointer();
+    math::internal::half* op = out.asPointer();
+    for (unsigned i = 0; i < 3; ++i, ++op, ++ip) {
+        OPENVDB_NO_TYPE_CONVERSION_WARNING_BEGIN
+        *op = *ip + s;
+        OPENVDB_NO_TYPE_CONVERSION_WARNING_END
+    }
+    return out;
+}
+
 /// Orthonormalize vectors v1, v2 and v3 and store back the resulting
 /// basis e.g.   Vec3d::orthonormalize(v1,v2,v3);
 template <typename T>