diff --git a/src/core/math_func.cpp b/src/core/math_func.cpp
index 2590087809..3a62fcd303 100644
--- a/src/core/math_func.cpp
+++ b/src/core/math_func.cpp
@@ -162,3 +162,23 @@ uint32 IntCbrt(uint64 num)
 
 	return ((uint32) r1); /* floor(cbrt(x)); */
 }
+
+/**
+ * Compress unsigned integer into 16 bits, in a way that increases dynamic range, at the expense of precision for large values
+ */
+uint16 RXCompressUint(uint32 num)
+{
+	if (num <= 0x100) return num;
+	if (num <= 0x7900) return 0x100 + ((num - 0x100) >> 3);
+	return std::min<uint32>(UINT16_MAX, 0x1000 + ((num - 0x7900) >> 6));
+}
+
+/**
+ * Inverse of RXCompressUint
+ */
+uint32 RXDecompressUint(uint16 num)
+{
+	if (num > 0x1000) return ((num - 0x1000) << 6) + 0x7900;
+	if (num > 0x100) return ((num - 0x100) << 3) + 0x100;
+	return num;
+}
diff --git a/src/core/math_func.hpp b/src/core/math_func.hpp
index 6408876d95..7d5bfa008b 100644
--- a/src/core/math_func.hpp
+++ b/src/core/math_func.hpp
@@ -376,4 +376,7 @@ uint32 IntSqrt(uint32 num);
 uint32 IntSqrt64(uint64 num);
 uint32 IntCbrt(uint64 num);
 
+uint16 RXCompressUint(uint32 num);
+uint32 RXDecompressUint(uint16 num);
+
 #endif /* MATH_FUNC_HPP */