compat/util: introduce "iround" for round to integer

1 files changed, 7 insertions, 0 deletions

diff --git a/compat/util.hpp b/compat/util.hpp
index 80ab4270..528ae1a8 100644
--- a/compat/util.hpp
+++ b/compat/util.hpp
@@ -3,6 +3,7 @@
 #include "make-unique.hpp"
 
 #include <memory>
+#include <cmath>
 #include <utility>
 #include <type_traits>
 #include <thread>
@@ -21,6 +22,12 @@ template<typename t> using ptr = std::unique_ptr<t>;
 #   define DEFUN_WARN_UNUSED __attribute__((warn_unused_result))
 #endif
 
+template<typename t>
+int iround(const t& val)
+{
+    return int(std::round(val));
+}
+
 namespace detail {
 
 template<typename n>