ui: Added half floats to data inspector

plugins/libimhex/source/helpers/utils.cpp

@@ -325,4 +325,38 @@ namespace hex {
         NFD::Quit();
     }
 
+    float float16ToFloat32(u16 float16) {
+        u32 sign = float16 >> 15;
+        u32 exponent = (float16 >> 10) & 0x1F;
+        u32 mantissa = float16 & 0x3FF;
+
+        u32 result;
+
+        if (exponent == 0) {
+            if (mantissa == 0) {
+                // +- Zero
+                result = sign << 31;
+            } else {
+                // Subnormal value
+                exponent = 0x7F - 14;
+
+                while ((mantissa & (1 << 10)) == 0) {
+                    exponent--;
+                    mantissa <<= 1;
+                }
+
+                mantissa &= 0x3FF;
+                result = (sign << 31) | (exponent << 23) | (mantissa << 13);
+            }
+        } else if (exponent == 0x1F) {
+            // +-Inf or +-NaN
+            result = (sign << 31) | (0xFF << 23) | (mantissa << 13);
+        } else {
+            // Normal value
+            result = (sign << 31) | ((exponent + (0x7F - 15)) << 23) | (mantissa << 13);
+        }
+
+        return reinterpret_cast<float&>(result);
+    }
+
 }