From a130dba66f965ead9e3554e5e3a73396b3e409bf Mon Sep 17 00:00:00 2001
From: Xavier Leclercq <xavier@leclercq.dev>
Date: Sat, 31 Jan 2026 23:40:53 +0000
Subject: [PATCH 1/2] Update FixedPointNumber.hpp

---
 .../Ishiko/Math/Numbers/FixedPointNumber.hpp  | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/include/Ishiko/Math/Numbers/FixedPointNumber.hpp b/include/Ishiko/Math/Numbers/FixedPointNumber.hpp
index 3c0ffe1..5ee5c5d 100644
--- a/include/Ishiko/Math/Numbers/FixedPointNumber.hpp
+++ b/include/Ishiko/Math/Numbers/FixedPointNumber.hpp
@@ -9,7 +9,29 @@ namespace Ishiko
 	template<size_t precision, size_t scale>
 	class FixedPointNumber
 	{
+		static_assert(scale <= precision, "Scale cannot exceed precision");
+
+    public:
+        FixedPointNumber();
+
+    private:
+        // Helper to select appropriate integer type based on precision
+        using storage_type =
+            std::conditional_t<
+                (precision <= std::numeric_limits<int32_t>::digits10),
+                int32_t,
+                std::conditional_t<(precision <= std::numeric_limits<int64_t>::digits10), int64_t, void>
+            >;
+        static_assert(!std::is_void<storage_type>::value, "Precision exceeds maximum supported value (18 digits)");
+
+        storage_type m_value;
 	};
 }
 
+template<size_t precision, size_t scale>
+Ishiko::FixedPointNumber<precision, scale>::FixedPointNumber()
+    : m_value(0)
+{
+}
+
 #endif

From ab78c4961ef4b58548818f47ac931ddc60a2b549 Mon Sep 17 00:00:00 2001
From: Xavier Leclercq <xavier@leclercq.dev>
Date: Sat, 31 Jan 2026 23:57:34 +0000
Subject: [PATCH 2/2] Updates

---
 .../Ishiko/Math/Numbers/FixedPointNumber.hpp  | 26 +++++++++++++++++--
 numbers/tests/src/FixedPointNumberTests.cpp   |  1 +
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/include/Ishiko/Math/Numbers/FixedPointNumber.hpp b/include/Ishiko/Math/Numbers/FixedPointNumber.hpp
index 5ee5c5d..799642f 100644
--- a/include/Ishiko/Math/Numbers/FixedPointNumber.hpp
+++ b/include/Ishiko/Math/Numbers/FixedPointNumber.hpp
@@ -12,7 +12,11 @@ namespace Ishiko
 		static_assert(scale <= precision, "Scale cannot exceed precision");
 
     public:
-        FixedPointNumber();
+        FixedPointNumber() noexcept;
+        explicit FixedPointNumber(int value);
+
+        bool operator==(const FixedPointNumber& other) const noexcept;
+        bool operator!=(const FixedPointNumber& other) const noexcept;
 
     private:
         // Helper to select appropriate integer type based on precision
@@ -29,9 +33,27 @@ namespace Ishiko
 }
 
 template<size_t precision, size_t scale>
-Ishiko::FixedPointNumber<precision, scale>::FixedPointNumber()
+Ishiko::FixedPointNumber<precision, scale>::FixedPointNumber() noexcept
     : m_value(0)
 {
 }
 
+template<size_t precision, size_t scale>
+Ishiko::FixedPointNumber<precision, scale>::FixedPointNumber(int value)
+    : m_value(value)
+{
+}
+
+template<size_t precision, size_t scale>
+bool Ishiko::FixedPointNumber<precision, scale>::operator==(const FixedPointNumber& other) const noexcept
+{
+    return m_value == other.m_value;
+}
+
+template<size_t precision, size_t scale>
+bool Ishiko::FixedPointNumber<precision, scale>::operator!=(const FixedPointNumber& other) const noexcept
+{
+    return m_value != other.m_value;
+}
+
 #endif
diff --git a/numbers/tests/src/FixedPointNumberTests.cpp b/numbers/tests/src/FixedPointNumberTests.cpp
index 89c4331..bc3a61c 100644
--- a/numbers/tests/src/FixedPointNumberTests.cpp
+++ b/numbers/tests/src/FixedPointNumberTests.cpp
@@ -16,5 +16,6 @@ void FixedPointNumberTests::ConstructorTest1(Test& test)
 {
     FixedPointNumber<10, 2> fixed_point_number;
 
+    ISHIKO_TEST_FAIL_IF_NEQ(fixed_point_number, (FixedPointNumber<10, 2>(0)));
     ISHIKO_TEST_PASS();
 }