/// <summary>
/// Loads <see cref="NdArray{T}"/> instance from .npy binary stream with using implicit cast.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="stream"></param>
/// <returns></returns>
/// <exception cref="NotSupportedException"></exception>
/// <exception cref="InvalidCastException"></exception>
public static NdArray <T> LoadAs <T>(Stream stream)
{
var header = NpyHeader.LoadHeader(stream);
switch (header.NumpyType.TypeKind)
{
case TypeKind.Boolean:
return(LoadCore <bool>(header, stream).Select(x => (T)(dynamic)x));
case TypeKind.UInt8:
return(LoadCore <byte>(header, stream).Select(x => (T)(dynamic)x));
case TypeKind.UInt16:
return(LoadCore <ushort>(header, stream).Select(x => (T)(dynamic)x));
case TypeKind.UInt32:
return(LoadCore <uint>(header, stream).Select(x => (T)(dynamic)x));
case TypeKind.UInt64:
return(LoadCore <ulong>(header, stream).Select(x => (T)(dynamic)x));
case TypeKind.Int8:
return(LoadCore <sbyte>(header, stream).Select(x => (T)(dynamic)x));
case TypeKind.Int16:
return(LoadCore <short>(header, stream).Select(x => (T)(dynamic)x));
case TypeKind.Int32:
return(LoadCore <int>(header, stream).Select(x => (T)(dynamic)x));
case TypeKind.Int64:
return(LoadCore <long>(header, stream).Select(x => (T)(dynamic)x));
case TypeKind.Float16:
throw new NotImplementedException();
case TypeKind.Float32:
return(LoadCore <float>(header, stream).Select(x => (T)(dynamic)x));
case TypeKind.Float64:
return(LoadCore <double>(header, stream).Select(x => (T)(dynamic)x));
case TypeKind.Unicode:
return(LoadCore <string>(header, stream).Select(x => (T)(dynamic)x));
default:
throw new InvalidOperationException();
}
}
/// <summary>
/// Loads <see cref="NdArray{T}"/> instance from .npy binary stream with strict type.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="stream"></param>
/// <returns></returns>
/// <exception cref="NotSupportedException"></exception>
/// <exception cref="InvalidCastException"></exception>
public static NdArray <T> Load <T>(Stream stream)
=> LoadCore <T>(NpyHeader.LoadHeader(stream), stream);
