public bool Equals(dtype other)
{
if (other == null)
{
return(false);
}
return(this.core == other.core || NpyCoreApi.EquivTypes(this, other));
}
internal static ndarray FromScalar(ScalarGeneric scalar, dtype descr = null)
{
ndarray arr = scalar.ToArray();
if (descr != null && !NpyCoreApi.EquivTypes((dtype)scalar.dtype, descr))
{
arr = NpyCoreApi.CastToType(arr, descr, arr.IsFortran);
}
return(arr);
}
/// <summary>
/// Constructs a new array from multiple input types, like lists, arrays, etc.
/// </summary>
/// <param name="src"></param>
/// <param name="descr"></param>
/// <param name="minDepth"></param>
/// <param name="maxDepth"></param>
/// <param name="requires"></param>
/// <param name="context"></param>
/// <returns></returns>
internal static ndarray FromAny(Object src, dtype descr = null, int minDepth = 0,
int maxDepth = 0, NPYARRAYFLAGS flags = 0, Object context = null)
{
ndarray result = null;
if (src == null)
{
return(np.empty(new shape(0), NpyCoreApi.DescrFromType(NPY_TYPES.NPY_OBJECT)));
}
Type t = src.GetType();
if (t != typeof(PythonTuple))
{
if (src is ndarray)
{
result = NpyCoreApi.FromArray((ndarray)src, descr, flags);
return(FromAnyReturn(result, minDepth, maxDepth));
}
if (t.IsArray)
{
result = asanyarray(src);
}
dtype newtype = (descr ?? FindScalarType(src));
if (descr == null && newtype != null)
{
if ((flags & NPYARRAYFLAGS.NPY_UPDATEIFCOPY) != 0)
{
throw UpdateIfCopyError();
}
result = FromPythonScalar(src, newtype);
return(FromAnyReturn(result, minDepth, maxDepth));
}
//result = FromScalar(src, descr, context);
if (result != null)
{
if (descr != null && !NpyCoreApi.EquivTypes(descr, result.Dtype) || flags != 0)
{
result = NpyCoreApi.FromArray(result, descr, flags);
return(FromAnyReturn(result, minDepth, maxDepth));
}
}
}
bool is_object = false;
if ((flags & NPYARRAYFLAGS.NPY_UPDATEIFCOPY) != 0)
{
throw UpdateIfCopyError();
}
if (descr == null)
{
descr = FindArrayType(src, null);
}
else if (descr.TypeNum == NPY_TYPES.NPY_OBJECT)
{
is_object = true;
}
if (result == null)
{
bool seq = false;
if (src is IEnumerable <object> )
{
try
{
result = FromIEnumerable((IEnumerable <object>)src, descr, (flags & NPYARRAYFLAGS.NPY_FORTRAN) != 0, minDepth, maxDepth);
seq = true;
}
catch (InsufficientMemoryException)
{
throw;
}
catch
{
if (is_object)
{
result = FromNestedList(src, descr, (flags & NPYARRAYFLAGS.NPY_FORTRAN) != 0);
seq = true;
}
}
}
if (!seq)
{
result = FromScalar(src, descr, null);
}
}
return(FromAnyReturn(result, minDepth, maxDepth));
}
/// <summary>
/// Constructs a new array from multiple input types, like lists, arrays, etc.
/// </summary>
/// <param name="src"></param>
/// <param name="descr"></param>
/// <param name="minDepth"></param>
/// <param name="maxDepth"></param>
/// <param name="requires"></param>
/// <param name="context"></param>
/// <returns></returns>
public static ndarray FromAny(Object src, dtype descr = null, int minDepth = 0,
int maxDepth = 0, NPYARRAYFLAGS flags = 0, Object context = null)
{
ndarray result = null;
if (src == null)
{
return(np.empty(new shape(0), NpyCoreApi.DescrFromType(NPY_TYPES.NPY_OBJECT)));
}
Type t = src.GetType();
if (t != typeof(PythonTuple))
{
if (src is ndarray)
{
result = NpyCoreApi.FromArray((ndarray)src, descr, flags);
return(FromAnyReturn(result, minDepth, maxDepth));
}
if (t.IsArray)
{
result = asanyarray(src);
}
if (src is ScalarGeneric)
{
if ((flags & NPYARRAYFLAGS.NPY_UPDATEIFCOPY) != 0)
{
throw UpdateIfCopyError();
}
result = FromScalar((ScalarGeneric)src, descr);
return(FromAnyReturn(result, minDepth, maxDepth));
}
dtype newtype = (descr ?? FindScalarType(src));
if (descr == null && newtype != null)
{
if ((flags & NPYARRAYFLAGS.NPY_UPDATEIFCOPY) != 0)
{
throw UpdateIfCopyError();
}
result = FromPythonScalar(src, newtype);
return(FromAnyReturn(result, minDepth, maxDepth));
}
//result = FromScalar(src, descr, context);
if (result != null)
{
if (descr != null && !NpyCoreApi.EquivTypes(descr, result.Dtype) || flags != 0)
{
result = NpyCoreApi.FromArray(result, descr, flags);
return(FromAnyReturn(result, minDepth, maxDepth));
}
}
}
bool is_object = false;
if ((flags & NPYARRAYFLAGS.NPY_UPDATEIFCOPY) != 0)
{
throw UpdateIfCopyError();
}
if (descr == null)
{
descr = FindArrayType(src, null);
}
else if (descr.TypeNum == NPY_TYPES.NPY_OBJECT)
{
is_object = true;
}
if (result == null)
{
// Hack required because in C# strings are enumerations of chars, not objects.
// However, we want to keep src as a string if we are building a string or object array.
if (!is_object &&
(descr.TypeNum != NPY_TYPES.NPY_STRING || descr.Type == NPY_TYPECHAR.NPY_CHARLTR) &&
descr.TypeNum != NPY_TYPES.NPY_UNICODE && src is string && ((string)src).Length > 1)
{
src = ((string)src).Cast <object>();
}
bool seq = false;
if (src is IEnumerable <object> )
{
try
{
result = FromIEnumerable((IEnumerable <object>)src, descr, (flags & NPYARRAYFLAGS.NPY_FORTRAN) != 0, minDepth, maxDepth);
seq = true;
}
catch (InsufficientMemoryException)
{
throw;
}
catch
{
if (is_object)
{
result = FromNestedList(src, descr, (flags & NPYARRAYFLAGS.NPY_FORTRAN) != 0);
seq = true;
}
}
}
if (!seq)
{
result = FromScalar(src, descr, null);
}
}
return(FromAnyReturn(result, minDepth, maxDepth));
}
