Remove Support Ukraine banner from PyTorch3D website

Summary: Remove the Support Ukraine banner component and its usage from the PyTorch3D website homepage.

Reviewed By: bottler

Differential Revision: D96559642

fbshipit-source-id: fd716cde7145d5c0105b2d2fb569375395b9b5de

pytorch3d/csrc/utils/vec2.h

@@ -19,7 +19,7 @@ template <
         std::is_same<T, double>::value || std::is_same<T, float>::value>>
 struct vec2 {
   T x, y;
-  typedef T scalar_t;
+  using scalar_t = T;
   vec2(T x, T y) : x(x), y(y) {}
 };
 

pytorch3d/csrc/utils/vec3.h

@@ -18,7 +18,7 @@ template <
         std::is_same<T, double>::value || std::is_same<T, float>::value>>
 struct vec3 {
   T x, y, z;
-  typedef T scalar_t;
+  using scalar_t = T;
   vec3(T x, T y, T z) : x(x), y(y), z(z) {}
 };
 

pytorch3d/ops/cameras_alignment.py

@@ -223,8 +223,7 @@ def _align_camera_extrinsics(
         # of centered A and centered B
         Ac = A - Amu
         Bc = B - Bmu
-        # pyre-fixme[58]: `**` is not supported for operand types `Tensor` and `int`.
+        align_t_s = (Ac * Bc).mean() / torch.square(Ac).mean().clamp(eps)
-        align_t_s = (Ac * Bc).mean() / (Ac**2).mean().clamp(eps)
     else:
         # set the scale to identity
         align_t_s = 1.0

pytorch3d/transforms/rotation_conversions.py

@@ -94,13 +94,9 @@ def _sqrt_positive_part(x: torch.Tensor) -> torch.Tensor:
     Returns torch.sqrt(torch.max(0, x))
     but with a zero subgradient where x is 0.
     """
-    ret = torch.zeros_like(x)
     positive_mask = x > 0
-    if torch.is_grad_enabled():
+    safe_x = torch.where(positive_mask, x, 1.0)
-        ret[positive_mask] = torch.sqrt(x[positive_mask])
+    return torch.where(positive_mask, torch.sqrt(safe_x), 0.0)
-    else:
-        ret = torch.where(positive_mask, torch.sqrt(x), ret)
-    return ret
 
 
 def matrix_to_quaternion(matrix: torch.Tensor) -> torch.Tensor:

website/pages/en/index.js

@@ -74,20 +74,6 @@ class HomeSplash extends React.Component {
   }
 }
 
-function SocialBanner() {
-  return (
-    <div className="socialBanner">
-      <div>
-        Support Ukraine 🇺🇦{' '}
-        <a href="https://opensource.fb.com/support-ukraine">
-          Help Provide Humanitarian Aid to Ukraine
-        </a>
-        .
-      </div>
-    </div>
-  );
-}
-
 class Index extends React.Component {
   render() {
     const {config: siteConfig, language = ''} = this.props;
@@ -226,7 +212,6 @@ loss_chamfer, _ = chamfer_distance(sample_sphere, sample_test)
 
     return (
       <div>
-        <SocialBanner />
         <HomeSplash siteConfig={siteConfig} language={language} />
         <div className="landingPage mainContainer">
           <Features />