add assert

Author: HeartLinked

src/iceberg/util/endian.h

@@ -42,6 +42,7 @@ constexpr T ToLittleEndian(T value) {
       return std::byteswap(value);
     } else if constexpr (std::is_floating_point_v<T>) {
       // For floats, use the bit_cast -> byteswap -> bit_cast pattern.
+      // We only support 32-bit and 64-bit floats.
       if constexpr (sizeof(T) == sizeof(uint32_t)) {
         uint32_t int_representation = std::bit_cast<uint32_t>(value);
         int_representation = std::byteswap(int_representation);
@@ -50,6 +51,8 @@ constexpr T ToLittleEndian(T value) {
         uint64_t int_representation = std::bit_cast<uint64_t>(value);
         int_representation = std::byteswap(int_representation);
         return std::bit_cast<T>(int_representation);
+      } else {
+        static_assert(false, "Unsupported floating-point size for endian conversion.");
       }
     }
   }
@@ -65,6 +68,7 @@ constexpr T FromLittleEndian(T value) {
       return std::byteswap(value);
     } else if constexpr (std::is_floating_point_v<T>) {
       // For floats, use the bit_cast -> byteswap -> bit_cast pattern.
+      // We only support 32-bit and 64-bit floats.
       if constexpr (sizeof(T) == sizeof(uint32_t)) {
         uint32_t int_representation = std::bit_cast<uint32_t>(value);
         int_representation = std::byteswap(int_representation);
@@ -73,6 +77,8 @@ constexpr T FromLittleEndian(T value) {
         uint64_t int_representation = std::bit_cast<uint64_t>(value);
         int_representation = std::byteswap(int_representation);
         return std::bit_cast<T>(int_representation);
+      } else {
+        static_assert(false, "Unsupported floating-point size for endian conversion.");
       }
     }
   }
@@ -95,6 +101,8 @@ constexpr T ToBigEndian(T value) {
         uint64_t int_representation = std::bit_cast<uint64_t>(value);
         int_representation = std::byteswap(int_representation);
         return std::bit_cast<T>(int_representation);
+      } else {
+        static_assert(false, "Unsupported floating-point size for endian conversion.");
       }
     }
   }
@@ -117,6 +125,8 @@ constexpr T FromBigEndian(T value) {
         uint64_t int_representation = std::bit_cast<uint64_t>(value);
         int_representation = std::byteswap(int_representation);
         return std::bit_cast<T>(int_representation);
+      } else {
+        static_assert(false, "Unsupported floating-point size for endian conversion.");
       }
     }
   }