Memory usage optimization

pkg/rrc/histogram_test.go

@@ -0,0 +1,14 @@
+package rrc
+
+import "testing"
+
+func TestHistogram(t *testing.T) {
+	lut, err := LoadLUT("../../data/rrc/B0.LUT", PANCameraProbeNum)
+	if err != nil {
+		t.Error(err)
+	}
+
+	if lut[CheckPointProbe][CheckPointGray] != 32767 {
+		t.Fail()
+	}
+}