From 8a1903446361bf7eeb38a25fdb6fa1e6a94f769f Mon Sep 17 00:00:00 2001
From: YertleTurtleGit <34098804+YertleTurtleGit@users.noreply.github.com>
Date: Mon, 29 Apr 2024 18:24:20 +0200
Subject: [PATCH] return result array for lower sh degrees (#171)

---
 gsplat/_torch_impl.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/gsplat/_torch_impl.py b/gsplat/_torch_impl.py
index fe6a38be8..db1e01029 100644
--- a/gsplat/_torch_impl.py
+++ b/gsplat/_torch_impl.py
@@ -142,7 +142,7 @@ def eval_sh_bases_fast(basis_dim: int, dirs: torch.Tensor):
     result[..., 0] = 0.2820947917738781
 
     if basis_dim <= 1:
-        return
+        return result
 
     x, y, z = dirs.unbind(-1)
 
@@ -152,7 +152,7 @@ def eval_sh_bases_fast(basis_dim: int, dirs: torch.Tensor):
     result[..., 1] = fTmpA * y
 
     if basis_dim <= 4:
-        return
+        return result
 
     z2 = z * z
     fTmpB = -1.092548430592079 * z
@@ -166,7 +166,7 @@ def eval_sh_bases_fast(basis_dim: int, dirs: torch.Tensor):
     result[..., 4] = fTmpA * fS1
 
     if basis_dim <= 9:
-        return
+        return result
 
     fTmpC = -2.285228997322329 * z2 + 0.4570457994644658
     fTmpB = 1.445305721320277 * z
@@ -182,7 +182,7 @@ def eval_sh_bases_fast(basis_dim: int, dirs: torch.Tensor):
     result[..., 9] = fTmpA * fS2
 
     if basis_dim <= 16:
-        return
+        return result
 
     fTmpD = z * (-4.683325804901025 * z2 + 2.007139630671868)
     fTmpC = 3.31161143515146 * z2 - 0.47308734787878