Added Sci::round() and Sci::lround() for better compatibility with the default branch.

Some olders MacOSX SDKs do not have std::round() or std::lround().

1 files changed, 15 insertions, 2 deletions

diff --git a/include/Compat.h b/include/Compat.h
index 712ff1373..d69a9a2c1 100644
--- a/include/Compat.h
+++ b/include/Compat.h
@@ -6,6 +6,7 @@
 
 #ifdef __cplusplus
 
+#include <cmath>
 #include <cstddef>
 #include <memory>
 #include <type_traits>
@@ -13,6 +14,18 @@
 
 namespace Sci {
 
+// std::round (not present on older MacOSX SDKs)
+template<class T>
+T round(T arg) {
+  return round(arg);
+}
+
+// std::lround (not present on older MacOSX SDKs)
+template<class T>
+long lround(T arg) {
+  return lround(arg);
+}
+
 // std::make_unique
 template<class T> struct _Unique_if {
   typedef std::unique_ptr<T> _Single_object;
@@ -37,7 +50,7 @@ template<class T>
 template<class T, class... Args>
   typename _Unique_if<T>::_Known_bound
   make_unique(Args&&...) = delete;
-  
+
 // std::size
 template <typename T, size_t N>
 constexpr size_t size(const T (&)[N]) noexcept {
@@ -48,4 +61,4 @@ constexpr size_t size(const T (&)[N]) noexcept {
 
 #endif
 
-#endif
\ No newline at end of file
+#endif