Added SimStateHEADmaster

1 files changed, 2 insertions, 1 deletions

diff --git a/include/fixed_point.h b/include/fixed_point.h
index 385ccc2..2a9ec8d 100644
--- a/include/fixed_point.h
+++ b/include/fixed_point.h
@@ -3,6 +3,7 @@
 
 #include <cstdint>
 #include <type_traits>
+#include <compare>
 
 struct fp_t {
     static constexpr std::int32_t Q = 16;
@@ -16,7 +17,7 @@ struct fp_t {
     fp_t operator-(const fp_t& other) const;
     fp_t operator*(const fp_t& other) const;
     fp_t operator/(const fp_t& other) const;
-    bool operator==(const fp_t& other) const;
+    auto operator<=>(const fp_t&) const = default;
 };
 
 static_assert(std::is_trivially_copyable_v<fp_t>, "fp_t must remain trivially copyable for rollback determinism");