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-rw-r--r--src/post-refinement.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/post-refinement.c b/src/post-refinement.c
index b7b87f8f..c3432af1 100644
--- a/src/post-refinement.c
+++ b/src/post-refinement.c
@@ -124,7 +124,7 @@ static double gradient(struct image *image, int k, Reflection *refl, double r)
g += partiality_gradient(r1, r);
}
if ( clamp_high == 0 ) {
- g += partiality_gradient(r2, r);
+ g -= partiality_gradient(r2, r);
}
//STATUS("clamp status low=%i high=%i\n", clamp_low, clamp_high);
//STATUS("excitation errors %e %e\n", r1, r2);
@@ -157,11 +157,11 @@ static double gradient(struct image *image, int k, Reflection *refl, double r)
case REF_CSX :
return -ls * sin(tt) * cos(azi) * g;
case REF_ASY :
- return hs * sin(tt) * g;
+ return hs * sin(tt) * sin(azi) * g;
case REF_BSY :
- return ks * sin(tt) * g;
+ return ks * sin(tt) * sin(azi) * g;
case REF_CSY :
- return ls * sin(tt) * g;
+ return ls * sin(tt) * sin(azi) * g;
case REF_ASZ :
return hs * cos(tt) * g;
case REF_BSZ :