Benjamin Halimi
--- a/include/aidge/backend/cpu/operator/RoundImpl_kernels.hpp
+++ b/include/aidge/backend/cpu/operator/RoundImpl_kernels.hpp

-    for (std::size_t i = 0; i < inputLength; ++i) {
-        //std::round would not work since it doesn't follow the halves rules (See ONNX Round)
-        output[i] = static_cast<O>(std::nearbyint(static_cast<float>(input[i])));
+    for (std::size_t i = 0; i < inputLength; ++i) 
+    {
+        float inputValue = static_cast<float>(input[i]);
+
+        if (mode == Round_Op::HalfwayRounding::NearestEven) {
+            output[i] = static_cast<O>(std::nearbyint(inputValue)); 
+        } 
+        else if (mode == Round_Op::HalfwayRounding::AwayFromZero) {
+            output[i] = static_cast<O>(std::round(inputValue));
+        }
+        else if (mode == Round_Op::HalfwayRounding::NextInteger) {
+            output[i] = static_cast<O>(std::round(std::nextafter(inputValue, inputValue + 1)));