prediction_gradient_check: Reduce bandwidth

Gradients are only correct for monochromatic radiation

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/prediction_gradient_check.c b/tests/prediction_gradient_check.c
index 2e212083..d61b7a8a 100644
--- a/tests/prediction_gradient_check.c
+++ b/tests/prediction_gradient_check.c
@@ -416,7 +416,7 @@ int main(int argc, char *argv[])
 
 	image.lambda = ph_en_to_lambda(eV_to_J(8000.0));
 	image.div = 1e-3;
-	image.bw = 0.01;
+	image.bw = 0.00001;
 	image.filename = malloc(256);
 	image.spectrum = spectrum_generate_gaussian(image.lambda, image.bw);