Cleanup: Deduplicate finv_test function

source/blender/compositor/operations/COM_GaussianAlphaBlurBaseOperation.cc

@@ -85,11 +85,6 @@ void GaussianAlphaBlurBaseOperation::get_area_of_interest(const int input_idx,
   }
 }
 
-BLI_INLINE float finv_test(const float f, const bool test)
-{
-  return (LIKELY(test == false)) ? f : 1.0f - f;
-}
-
 void GaussianAlphaBlurBaseOperation::update_memory_buffer_partial(MemoryBuffer *output,
                                                                   const rcti &area,
                                                                   Span<MemoryBuffer *> inputs)

source/blender/compositor/operations/COM_GaussianAlphaBlurBaseOperation.h

@@ -55,6 +55,11 @@ class GaussianAlphaBlurBaseOperation : public BlurBaseOperation {
   {
     falloff_ = falloff;
   }
+
+  BLI_INLINE float finv_test(const float f, const bool test)
+  {
+    return (LIKELY(test == false)) ? f : 1.0f - f;
+  }
 };
 
 }  // namespace blender::compositor

source/blender/compositor/operations/COM_GaussianAlphaXBlurOperation.cc

@@ -71,11 +71,6 @@ void GaussianAlphaXBlurOperation::update_gauss()
   }
 }
 
-BLI_INLINE float finv_test(const float f, const bool test)
-{
-  return (LIKELY(test == false)) ? f : 1.0f - f;
-}
-
 void GaussianAlphaXBlurOperation::execute_pixel(float output[4], int x, int y, void *data)
 {
   const bool do_invert = do_subtract_;

source/blender/compositor/operations/COM_GaussianAlphaYBlurOperation.cc

@@ -73,11 +73,6 @@ void GaussianAlphaYBlurOperation::update_gauss()
   }
 }
 
-BLI_INLINE float finv_test(const float f, const bool test)
-{
-  return (LIKELY(test == false)) ? f : 1.0f - f;
-}
-
 void GaussianAlphaYBlurOperation::execute_pixel(float output[4], int x, int y, void *data)
 {
   const bool do_invert = do_subtract_;