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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-FileCopyrightText: Copyright 2008 Sandia Corporation
// SPDX-License-Identifier: LicenseRef-BSD-3-Clause-Sandia-USGov
#include "vtkArrayExtents.h"
#include "vtkArrayCoordinates.h"
#include <functional>
#include <numeric>
VTK_ABI_NAMESPACE_BEGIN
vtkArrayExtents::vtkArrayExtents() = default;
vtkArrayExtents::vtkArrayExtents(CoordinateT i)
: Storage(1)
{
this->Storage[0] = vtkArrayRange(0, i);
}
vtkArrayExtents::vtkArrayExtents(const vtkArrayRange& i)
: Storage(1)
{
this->Storage[0] = i;
}
vtkArrayExtents::vtkArrayExtents(CoordinateT i, CoordinateT j)
: Storage(2)
{
this->Storage[0] = vtkArrayRange(0, i);
this->Storage[1] = vtkArrayRange(0, j);
}
vtkArrayExtents::vtkArrayExtents(const vtkArrayRange& i, const vtkArrayRange& j)
: Storage(2)
{
this->Storage[0] = i;
this->Storage[1] = j;
}
vtkArrayExtents::vtkArrayExtents(CoordinateT i, CoordinateT j, CoordinateT k)
: Storage(3)
{
this->Storage[0] = vtkArrayRange(0, i);
this->Storage[1] = vtkArrayRange(0, j);
this->Storage[2] = vtkArrayRange(0, k);
}
vtkArrayExtents::vtkArrayExtents(
const vtkArrayRange& i, const vtkArrayRange& j, const vtkArrayRange& k)
: Storage(3)
{
this->Storage[0] = i;
this->Storage[1] = j;
this->Storage[2] = k;
}
vtkArrayExtents vtkArrayExtents::Uniform(DimensionT n, CoordinateT m)
{
vtkArrayExtents result;
// IA64 HP-UX doesn't seem to have the vector<T> vector1(n, value)
// overload nor the assign(n, value) method, so we use the single
// argument constructor and initialize the values manually.
// result.Storage = std::vector<vtkIdType>(n, m);
result.Storage = std::vector<vtkArrayRange>(n);
for (DimensionT i = 0; i < n; i++)
{
result.Storage[i] = vtkArrayRange(0, m);
}
return result;
}
void vtkArrayExtents::Append(const vtkArrayRange& extent)
{
this->Storage.push_back(extent);
}
vtkArrayExtents::DimensionT vtkArrayExtents::GetDimensions() const
{
return static_cast<vtkArrayExtents::DimensionT>(this->Storage.size());
}
vtkTypeUInt64 vtkArrayExtents::GetSize() const
{
if (this->Storage.empty())
return 0;
vtkTypeUInt64 size = 1;
for (size_t i = 0; i != this->Storage.size(); ++i)
size *= this->Storage[i].GetSize();
return size;
}
void vtkArrayExtents::SetDimensions(DimensionT dimensions)
{
this->Storage.assign(dimensions, vtkArrayRange());
}
vtkArrayRange& vtkArrayExtents::operator[](DimensionT i)
{
return this->Storage[i];
}
const vtkArrayRange& vtkArrayExtents::operator[](DimensionT i) const
{
return this->Storage[i];
}
vtkArrayRange vtkArrayExtents::GetExtent(DimensionT i) const
{
return this->Storage[i];
}
void vtkArrayExtents::SetExtent(DimensionT i, const vtkArrayRange& extent)
{
this->Storage[i] = extent;
}
bool vtkArrayExtents::operator==(const vtkArrayExtents& rhs) const
{
return this->Storage == rhs.Storage;
}
bool vtkArrayExtents::operator!=(const vtkArrayExtents& rhs) const
{
return !(*this == rhs);
}
bool vtkArrayExtents::ZeroBased() const
{
for (DimensionT i = 0; i != this->GetDimensions(); ++i)
{
if (this->Storage[i].GetBegin() != 0)
return false;
}
return true;
}
bool vtkArrayExtents::SameShape(const vtkArrayExtents& rhs) const
{
if (this->GetDimensions() != rhs.GetDimensions())
return false;
for (DimensionT i = 0; i != this->GetDimensions(); ++i)
{
if (this->Storage[i].GetSize() != rhs.Storage[i].GetSize())
return false;
}
return true;
}
void vtkArrayExtents::GetLeftToRightCoordinatesN(SizeT n, vtkArrayCoordinates& coordinates) const
{
coordinates.SetDimensions(this->GetDimensions());
vtkIdType divisor = 1;
for (vtkIdType i = 0; i < this->GetDimensions(); ++i)
{
coordinates[i] = ((n / divisor) % this->Storage[i].GetSize()) + this->Storage[i].GetBegin();
divisor *= this->Storage[i].GetSize();
}
}
void vtkArrayExtents::GetRightToLeftCoordinatesN(SizeT n, vtkArrayCoordinates& coordinates) const
{
coordinates.SetDimensions(this->GetDimensions());
vtkIdType divisor = 1;
for (vtkIdType i = this->GetDimensions() - 1; i >= 0; --i)
{
coordinates[i] = ((n / divisor) % this->Storage[i].GetSize()) + this->Storage[i].GetBegin();
divisor *= this->Storage[i].GetSize();
}
}
bool vtkArrayExtents::Contains(const vtkArrayExtents& other) const
{
if (this->GetDimensions() != other.GetDimensions())
return false;
for (DimensionT i = 0; i != this->GetDimensions(); ++i)
{
if (!this->Storage[i].Contains(other[i]))
return false;
}
return true;
}
bool vtkArrayExtents::Contains(const vtkArrayCoordinates& coordinates) const
{
if (coordinates.GetDimensions() != this->GetDimensions())
return false;
for (DimensionT i = 0; i != this->GetDimensions(); ++i)
{
if (!this->Storage[i].Contains(coordinates[i]))
return false;
}
return true;
}
ostream& operator<<(ostream& stream, const vtkArrayExtents& rhs)
{
for (size_t i = 0; i != rhs.Storage.size(); ++i)
{
if (i)
stream << "x";
stream << "[" << rhs.Storage[i].GetBegin() << "," << rhs.Storage[i].GetEnd() << ")";
}
return stream;
}
VTK_ABI_NAMESPACE_END
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