Geometry Nodes Curves: Cleanup, progres on evaluation for bezier splines

2 files changed, 17 insertions, 0 deletions

diff --git a/source/blender/blenlib/BLI_float3.hh b/source/blender/blenlib/BLI_float3.hh
index cbc4d4ed366..04aae375889 100644
--- a/source/blender/blenlib/BLI_float3.hh
+++ b/source/blender/blenlib/BLI_float3.hh
@@ -245,6 +245,13 @@ struct float3 {
     return result;
   }
 
+  static float3 cross(const float3 &a, const float3 &b)
+  {
+    float3 result;
+    cross_v3_v3v3(result, a, b);
+    return result;
+  }
+
   static float3 project(const float3 &a, const float3 &b)
   {
     float3 result;
diff --git a/source/blender/blenlib/BLI_span.hh b/source/blender/blenlib/BLI_span.hh
index fe511793c46..bcf6873f9eb 100644
--- a/source/blender/blenlib/BLI_span.hh
+++ b/source/blender/blenlib/BLI_span.hh
@@ -662,6 +662,16 @@ template<typename T> class MutableSpan {
   }
 
   /**
+   * Return a reference to the first element in the array. This invokes undefined behavior when the
+   * array is empty.
+   */
+  constexpr T &first() const
+  {
+    BLI_assert(size_ > 0);
+    return data_[0];
+  }
+
+  /**
    * Returns a reference to the last element. This invokes undefined behavior when the array is
    * empty.
    */