public static Real[] ToRealArray(Array data)
{
Type arrayType = data.GetType().GetElementType();
Real[] resultData = new Real[data.Length];
//型の不一致をここで吸収
if (arrayType != typeof(RealType) && arrayType != typeof(Real))
{
//一次元の長さの配列を用意
Array array = Array.CreateInstance(arrayType, data.Length);
//一次元化して
Buffer.BlockCopy(data, 0, array, 0, Marshal.SizeOf(arrayType) * resultData.Length);
data = new RealType[array.Length];
//型変換しつつコピー
Array.Copy(array, data, array.Length);
}
//データを叩き込む
GCHandle source = GCHandle.Alloc(data, GCHandleType.Pinned);
GCHandle dest = GCHandle.Alloc(resultData, GCHandleType.Pinned);
RealTool.CopyMemory(dest.AddrOfPinnedObject(), source.AddrOfPinnedObject(), sizeof(RealType) * data.Length);
source.Free();
dest.Free();
return(resultData);
}
public static Array ToRealNdArray(Array data)
{
Type arrayType = data.GetType().GetElementType();
#if DEBUG
//そもそもRealTypeなら必要ない
if (arrayType == typeof(Real))
{
throw new Exception();
}
#endif
int[] shape = new int[data.Rank];
for (int i = 0; i < shape.Length; i++)
{
shape[i] = data.GetLength(i);
}
Array resultData = Array.CreateInstance(typeof(Real), shape);
//型の不一致をここで吸収
if (arrayType != typeof(RealType))
{
//入力と同じ次元の配列を用意
Array array = Array.CreateInstance(typeof(RealType), shape);
//型変換しつつコピー
Array.Copy(data, array, array.Length);
//データを叩き込む
GCHandle source = GCHandle.Alloc(array, GCHandleType.Pinned);
GCHandle dest = GCHandle.Alloc(resultData, GCHandleType.Pinned);
RealTool.CopyMemory(dest.AddrOfPinnedObject(), source.AddrOfPinnedObject(), sizeof(RealType) * data.Length);
source.Free();
dest.Free();
}
else
{
//データを叩き込む
GCHandle source = GCHandle.Alloc(data, GCHandleType.Pinned);
GCHandle dest = GCHandle.Alloc(resultData, GCHandleType.Pinned);
RealTool.CopyMemory(dest.AddrOfPinnedObject(), source.AddrOfPinnedObject(), sizeof(RealType) * data.Length);
source.Free();
dest.Free();
}
return(resultData);
}
public static Array ToBaseNdArray(Array data)
{
int[] shape = new int[data.Rank];
for (int i = 0; i < shape.Length; i++)
{
shape[i] = data.GetLength(i);
}
Array result = Array.CreateInstance(typeof(RealType), shape);
//データを叩き込む
GCHandle source = GCHandle.Alloc(data, GCHandleType.Pinned);
GCHandle dest = GCHandle.Alloc(result, GCHandleType.Pinned);
RealTool.CopyMemory(dest.AddrOfPinnedObject(), source.AddrOfPinnedObject(), sizeof(RealType) * data.Length);
source.Free();
dest.Free();
return(result);
}
//多次元配列を作る
public static Array GetRealNdArray(int[] shape, int max = 1, int min = 0)
{
Array result = Array.CreateInstance(typeof(Real), shape);
Real[] tmp = new Real[result.Length];
for (int i = 0; i < tmp.Length; i++)
{
tmp[i] = (max - min) * Mother.Dice.NextDouble() - min;
}
GCHandle source = GCHandle.Alloc(tmp, GCHandleType.Pinned);
GCHandle dest = GCHandle.Alloc(result, GCHandleType.Pinned);
RealTool.CopyMemory(dest.AddrOfPinnedObject(), source.AddrOfPinnedObject(), result.Length * Real.Size);
dest.Free();
source.Free();
return(result);
}
