From 7bb49794297b46aa1c577e89da24d39b4348c6d4 Mon Sep 17 00:00:00 2001
From: batsumaru <>
Date: Sun, 9 Aug 2026 12:39:50 +0900
Subject: Added fp_t multiplication

---
 include/fixed_point.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'include/fixed_point.h')

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;
 };
 
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