Merge branch 'master' into gtk3

rtengine/LUT.h

@@ -258,14 +258,19 @@ public:
         return *this;
     }
 
-    // handy to sum up per thread histograms
+    // handy to sum up per thread histograms. #pragma omp simd speeds up the loop by about factor 3 for LUTu (unsigned int).
     LUT<T> & operator+=(LUT<T> &rhs)
     {
         if (rhs.size == this->size) {
+#ifdef _OPENMP
+            #pragma omp simd
+#endif
+
             for(unsigned int i = 0; i < this->size; i++) {
                 data[i] += rhs.data[i];
             }
         }
+
         return *this;
     }
 

rtengine/procparams.cc

@@ -888,7 +888,7 @@ void RAWParams::setDefaults()
     ff_clipControl = 0;
     cared = 0;
     cablue = 0;
-    caautostrength = 6;
+    caautostrength = 2;
     ca_autocorrect = false;
     hotPixelFilter = false;
     deadPixelFilter = false;