Include cmath for std::abs and std::sqrt

AMDmi3 · AMDmi3 · commit 328c9ee67954 · 2015-05-14T03:25:34.000+03:00
diff --git a/src/xbrz/xbrz.cpp b/src/xbrz/xbrz.cpp
@@ -16,6 +16,7 @@
 #include "xbrz.h"
 #include <cassert>
 #include <algorithm>
+#include <cmath>
 
 namespace
 {
