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authorKieran Bingham <kieran.bingham@ideasonboard.com>2022-03-23 13:24:40 +0000
committerKieran Bingham <kieran.bingham@ideasonboard.com>2022-04-09 21:00:48 +0200
commit8ca491cbf1a5cede5757ce15c7b5be30f7b26d68 (patch)
tree861720876f1174c039c2fdf738bb7b2eefba8e8c /src/ipa/ipu3/algorithms/af.cpp
parent2f7a52df95e64679c4d0f1b009ed354bbd067c5b (diff)
ipa: ipu3: af: Simplify accumulations of y_items
Simplify the accumulation of the total and variance with a ternary operator. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Tested-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Tested-by: Kate Hsuan <hpa@redhat.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Diffstat (limited to 'src/ipa/ipu3/algorithms/af.cpp')
-rw-r--r--src/ipa/ipu3/algorithms/af.cpp14
1 files changed, 4 insertions, 10 deletions
diff --git a/src/ipa/ipu3/algorithms/af.cpp b/src/ipa/ipu3/algorithms/af.cpp
index f243aceb..addf98af 100644
--- a/src/ipa/ipu3/algorithms/af.cpp
+++ b/src/ipa/ipu3/algorithms/af.cpp
@@ -360,20 +360,14 @@ double Af::afEstimateVariance(Span<const y_table_item_t> y_items, bool isY1)
double mean;
double var_sum = 0;
- for (auto y : y_items) {
- if (isY1)
- total += y.y1_avg;
- else
- total += y.y2_avg;
- }
+ for (auto y : y_items)
+ total += isY1 ? y.y1_avg : y.y2_avg;
mean = total / y_items.size();
for (auto y : y_items) {
- if (isY1)
- var_sum += pow(y.y1_avg - mean, 2);
- else
- var_sum += pow(y.y2_avg - mean, 2);
+ double avg = isY1 ? y.y1_avg : y.y2_avg;
+ var_sum += pow(avg - mean, 2);
}
return var_sum / y_items.size();