nohalo with one less multiply per channel

2010-05-20 15:56:32 +00:00 · 2010-05-20 15:56:32 +00:00 · 6031d690af
parent f026cbb125
commit 6031d690af
1 changed files with 6 additions and 3 deletions
--- a/libvips/resample/nohalo.cpp
+++ b/libvips/resample/nohalo.cpp
@ -608,9 +608,12 @@ nohalo_subdivision (const double           uno_two,
  const double val_uno_one_1 =
    .25 * ( dos_two + dos_thr + tre_two + tre_thr )
    +
-    .125 * ( dos_two_x - dos_thr_x + tre_two_x - tre_thr_x )
-    +
-    .125 * ( dos_two_y + dos_thr_y - tre_two_y - tre_thr_y );
+    .125
+    *
+    ( dos_two_x - dos_thr_x + tre_two_x - tre_thr_x
+      +
+      dos_two_y + dos_thr_y - tre_two_y - tre_thr_y
+    );

  /*
   * Return the sixteen LBB stencil values: