internal static int DifferentSizes_SetItemFunc(npy_intp index, dynamic value, NpyArray npa)
{
// handles case of views mapped to different size arrays
var SrcArray = NpyDataMem_NEW(npa.ItemType, 1, false);
SetIndex(SrcArray, 0, value);
MemCopy.MemCpy(npa.data, index, SrcArray, 0, npa.ItemSize);
return(1);
}
internal static object DifferentSizes_GetItemFunc(npy_intp index, NpyArray npa)
{
// handles case of views mapped to different size arrays
var DestArray = NpyDataMem_NEW(npa.ItemType, 1, false);
MemCopy.MemCpy(DestArray, 0, npa.data, index, npa.ItemSize);
return(GetIndex(DestArray, 0));
}
private static VoidPtr ConvertAllToFloats(VoidPtr src, int srcOffset, int length)
{
int totalBytesToCopy = (length - srcOffset);
float[] destArray = new float[(totalBytesToCopy + sizeof(float) - 1) / sizeof(float)];
VoidPtr Dest = new VoidPtr(destArray);
MemCopy.MemCpy(Dest, 0, src, srcOffset, totalBytesToCopy);
return(Dest);
}
private static VoidPtr ConvertAllToDecimals(VoidPtr src, int srcOffset, int length)
{
int totalBytesToCopy = (length - srcOffset);
decimal[] destArray = new decimal[(totalBytesToCopy + sizeof(decimal) - 1) / sizeof(decimal)];
VoidPtr Dest = new VoidPtr(destArray);
MemCopy.MemCpy(Dest, 0, src, srcOffset, totalBytesToCopy);
return(Dest);
}
private static VoidPtr ConvertAllToUInt64s(VoidPtr src, int srcOffset, int length)
{
int totalBytesToCopy = (length - srcOffset);
UInt64[] destArray = new UInt64[(totalBytesToCopy + sizeof(UInt64) - 1) / sizeof(UInt64)];
VoidPtr Dest = new VoidPtr(destArray);
MemCopy.MemCpy(Dest, 0, src, srcOffset, totalBytesToCopy);
return(Dest);
}
public static VoidPtr NpyDataMem_RENEW(VoidPtr oldArray, ulong newSize)
{
VoidPtr newArray = NpyDataMem_NEW(oldArray.type_num, newSize, true);
ulong preserveLength = System.Math.Min(VoidPointer_BytesLength(oldArray), newSize);
if (preserveLength > 0)
{
MemCopy.MemCpy(newArray, 0, oldArray, 0, (long)preserveLength);
}
return(newArray);
}
internal static void memmove(VoidPtr dest, npy_intp dest_offset, VoidPtr src, npy_intp src_offset, long len)
{
if (dest.type_num == NPY_TYPES.NPY_DECIMAL)
{
VoidPtr Temp = new VoidPtr(new decimal[len / sizeof(decimal)]);
MemCopy.MemCpy(Temp, 0, src, src_offset, len);
MemCopy.MemCpy(dest, dest_offset, Temp, 0, len);
}
else
{
VoidPtr Temp = new VoidPtr(new byte[len]);
MemCopy.MemCpy(Temp, 0, src, src_offset, len);
MemCopy.MemCpy(dest, dest_offset, Temp, 0, len);
}
}
internal static void memmove(VoidPtr dest, npy_intp dest_offset, VoidPtr src, npy_intp src_offset, long len)
{
if ((src.type_num == dest.type_num) && IsElementAligned(src, src_offset) && IsElementAligned(dest, dest_offset))
{
var helper = MemCopy.GetMemcopyHelper(dest);
helper.memmove(dest, dest_offset, src, src_offset, len);
return;
}
else
{
VoidPtr Temp = new VoidPtr(new byte[len]);
MemCopy.MemCpy(Temp, 0, src, src_offset, len);
MemCopy.MemCpy(dest, dest_offset, Temp, 0, len);
return;
}
}
internal static bool MemCpy(VoidPtr Dest, npy_intp DestOffset, VoidPtr Src, npy_intp SrcOffset, long Length)
{
return(MemCopy.MemCpy(Dest, DestOffset, Src, SrcOffset, Length));
}
internal static void memcpy(VoidPtr dest, VoidPtr src, long len)
{
MemCopy.MemCpy(dest, 0, src, 0, len);
}