Calculate #min and max based on target architecture

1 files changed, 20 insertions, 2 deletions

diff --git a/include/elna/boot/result.h b/include/elna/boot/result.h
index c7b79d3..540307c 100644
--- a/include/elna/boot/result.h
+++ b/include/elna/boot/result.h
@@ -826,6 +826,24 @@ namespace elna::boot
         std::size_t alignment;
     };
 
+    /**
+     * Properties of a floating point type on the target machine, including
+     * its minimum and maximum finite values.
+     */
+    template<typename T>
+        requires is_floating_point_v<T>
+    struct float_properties : type_properties
+    {
+        T min{};
+        T max{};
+
+        constexpr float_properties() = default;
+        constexpr float_properties(const type_properties& base, T min, T max)
+            : type_properties(base), min(min), max(max)
+        {
+        }
+    };
+
     constexpr std::size_t target_integer_count = 5;
 
     /**
@@ -837,8 +855,8 @@ namespace elna::boot
         std::array<type_properties, target_integer_count> word_properties;
         type_properties pointer_properties;
         type_properties char_properties;
-        type_properties single_properties;
-        type_properties double_properties;
+        float_properties<float> single_properties;
+        float_properties<double> double_properties;
         type_properties bool_properties;
         /// C's \c int, the type narrower variadic arguments are promoted to.
         type_properties c_int_properties;