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-rw-r--r--src/post-refinement.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/src/post-refinement.c b/src/post-refinement.c
index 9131905e..2dc7d433 100644
--- a/src/post-refinement.c
+++ b/src/post-refinement.c
@@ -121,10 +121,10 @@ static double gradient(struct image *image, int k, Reflection *refl, double r)
/* Calculate the gradient of partiality wrt excitation error. */
g = 0.0;
if ( clamp_low == 0 ) {
- g += partiality_gradient(r1, 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);
@@ -151,11 +151,11 @@ static double gradient(struct image *image, int k, Reflection *refl, double r)
/* Cell parameters and orientation */
case REF_ASX :
- return -hs * sin(tt) * cos(azi) * g;
+ return hs * sin(tt) * cos(azi) * g;
case REF_BSX :
- return -ks * sin(tt) * cos(azi) * g;
+ return ks * sin(tt) * cos(azi) * g;
case REF_CSX :
- return -ls * sin(tt) * cos(azi) * g;
+ return ls * sin(tt) * cos(azi) * g;
case REF_ASY :
return hs * sin(tt) * sin(azi) * g;
case REF_BSY :