Added fp_t multiplication

1 files changed, 3 insertions, 0 deletions

diff --git a/include/fixed_point.h b/include/fixed_point.h
index 1bdc5df..ff8e2b3 100644
--- a/include/fixed_point.h
+++ b/include/fixed_point.h
@@ -5,6 +5,8 @@
 #include <type_traits>
 
 struct fp_t {
+    static constexpr int32_t Q = 16;
+    static constexpr int32_t K = 1 << (Q - 1);
     std::int32_t raw;
     
     static constexpr fp_t from_raw(std::int32_t r) { return fp_t{r}; }
@@ -12,6 +14,7 @@ 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;
 };