From c95238a1424fcce71a0b566caf66abc0acd0a96b Mon Sep 17 00:00:00 2001
From: Anna Wellmann <a.wellmann@tu-braunschweig.de>
Date: Mon, 20 Nov 2023 12:20:29 +0000
Subject: [PATCH] Refactor geometries
---
.../geometries/Conglomerate/Conglomerate.cpp | 24 ++++----
.../geometries/Conglomerate/Conglomerate.h | 22 +++----
.../geometries/Cuboid/Cuboid.cpp | 22 +++----
.../GridGenerator/geometries/Cuboid/Cuboid.h | 20 +++----
src/gpu/GridGenerator/geometries/Object.h | 20 +++----
.../geometries/Sphere/Sphere.cpp | 20 +++----
.../GridGenerator/geometries/Sphere/Sphere.h | 20 +++----
.../TriangularMesh/TriangularMesh.cpp | 2 +-
.../TriangularMesh/TriangularMesh.h | 20 +++----
.../VerticalCylinder/VerticalCylinder.cpp | 32 +++++++----
.../VerticalCylinder/VerticalCylinder.h | 26 +++++----
.../VerticalCylinder/VerticalCylinderTest.cpp | 57 +++++++++++++++++++
12 files changed, 178 insertions(+), 107 deletions(-)
create mode 100644 src/gpu/GridGenerator/geometries/VerticalCylinder/VerticalCylinderTest.cpp
diff --git a/src/gpu/GridGenerator/geometries/Conglomerate/Conglomerate.cpp b/src/gpu/GridGenerator/geometries/Conglomerate/Conglomerate.cpp
index 14b35e69b..949220d07 100644
--- a/src/gpu/GridGenerator/geometries/Conglomerate/Conglomerate.cpp
+++ b/src/gpu/GridGenerator/geometries/Conglomerate/Conglomerate.cpp
@@ -72,12 +72,12 @@ SPtr<Object> Conglomerate::clone() const
return conglomerate;
}
-double Conglomerate::getX1Centroid()
+double Conglomerate::getX1Centroid() const
{
return (getX1Minimum() + getX1Maximum()) * 0.5;
}
-double Conglomerate::getX1Minimum()
+double Conglomerate::getX1Minimum() const
{
double minimum = addObjects[0]->getX1Minimum();
for(uint i = 1; i < numberOfAddObjects; i++)
@@ -85,7 +85,7 @@ double Conglomerate::getX1Minimum()
return minimum;
}
-double Conglomerate::getX1Maximum()
+double Conglomerate::getX1Maximum() const
{
double maximum = addObjects[0]->getX1Maximum();
for (uint i = 1; i < numberOfAddObjects; i++)
@@ -93,12 +93,12 @@ double Conglomerate::getX1Maximum()
return maximum;
}
-double Conglomerate::getX2Centroid()
+double Conglomerate::getX2Centroid() const
{
return (getX2Minimum() + getX2Maximum()) * 0.5;
}
-double Conglomerate::getX2Minimum()
+double Conglomerate::getX2Minimum() const
{
double minimum = addObjects[0]->getX2Minimum();
for (uint i = 1; i < numberOfAddObjects; i++)
@@ -106,7 +106,7 @@ double Conglomerate::getX2Minimum()
return minimum;
}
-double Conglomerate::getX2Maximum()
+double Conglomerate::getX2Maximum() const
{
double maximum = addObjects[0]->getX2Maximum();
for (uint i = 1; i < numberOfAddObjects; i++)
@@ -114,12 +114,12 @@ double Conglomerate::getX2Maximum()
return maximum;
}
-double Conglomerate::getX3Centroid()
+double Conglomerate::getX3Centroid() const
{
return (getX3Minimum() + getX3Maximum()) * 0.5;
}
-double Conglomerate::getX3Minimum()
+double Conglomerate::getX3Minimum() const
{
double minimum = addObjects[0]->getX3Minimum();
for (uint i = 1; i < numberOfAddObjects; i++)
@@ -127,7 +127,7 @@ double Conglomerate::getX3Minimum()
return minimum;
}
-double Conglomerate::getX3Maximum()
+double Conglomerate::getX3Maximum() const
{
double maximum = addObjects[0]->getX3Maximum();
for (uint i = 1; i < numberOfAddObjects; i++)
@@ -162,13 +162,13 @@ bool Conglomerate::isPointInObject(const double& x1, const double& x2, const dou
return false;
}
-void Conglomerate::scale(double delta)
+void Conglomerate::changeSizeByDelta(double delta)
{
for (uint i = 0; i < numberOfAddObjects; i++)
- addObjects[i]->scale(delta);
+ addObjects[i]->changeSizeByDelta(delta);
for (uint i = 0; i < numberOfSubtractObjects; i++)
- subtractObjects[i]->scale(delta);
+ subtractObjects[i]->changeSizeByDelta(delta);
}
void Conglomerate::findInnerNodes(SPtr<GridImp> grid)
diff --git a/src/gpu/GridGenerator/geometries/Conglomerate/Conglomerate.h b/src/gpu/GridGenerator/geometries/Conglomerate/Conglomerate.h
index 0b3f7ad7b..a8eb1a7ca 100644
--- a/src/gpu/GridGenerator/geometries/Conglomerate/Conglomerate.h
+++ b/src/gpu/GridGenerator/geometries/Conglomerate/Conglomerate.h
@@ -53,17 +53,17 @@ public:
SPtr<Object> clone() const override;
- double getX1Centroid() override;
- double getX1Minimum() override;
- double getX1Maximum() override;
- double getX2Centroid() override;
- double getX2Minimum() override;
- double getX2Maximum() override;
- double getX3Centroid() override;
- double getX3Minimum() override;
- double getX3Maximum() override;
-
- void scale(double delta) override;
+ double getX1Centroid() const override;
+ double getX1Minimum() const override;
+ double getX1Maximum() const override;
+ double getX2Centroid() const override;
+ double getX2Minimum() const override;
+ double getX2Maximum() const override;
+ double getX3Centroid() const override;
+ double getX3Minimum() const override;
+ double getX3Maximum() const override;
+
+ void changeSizeByDelta(double delta) override;
bool isPointInObject(const double& x1, const double& x2, const double& x3, const double& minOffset, const double& maxOffset) override;
diff --git a/src/gpu/GridGenerator/geometries/Cuboid/Cuboid.cpp b/src/gpu/GridGenerator/geometries/Cuboid/Cuboid.cpp
index fde944bc8..de8afcd87 100644
--- a/src/gpu/GridGenerator/geometries/Cuboid/Cuboid.cpp
+++ b/src/gpu/GridGenerator/geometries/Cuboid/Cuboid.cpp
@@ -46,47 +46,47 @@ SPtr<Object> Cuboid::clone() const
return std::make_shared<Cuboid>(minX1, minX2, minX3, maxX1, maxX2, maxX3);
}
-double Cuboid::getX1Centroid()
+double Cuboid::getX1Centroid() const
{
return getCenter(minX1, maxX1);
}
-double Cuboid::getX1Minimum()
+double Cuboid::getX1Minimum() const
{
return getMinimum(minX1, maxX1);
}
-double Cuboid::getX1Maximum()
+double Cuboid::getX1Maximum() const
{
return getMaximum(minX1, maxX1);
}
-double Cuboid::getX2Centroid()
+double Cuboid::getX2Centroid() const
{
return getCenter(minX2, maxX2);
}
-double Cuboid::getX2Minimum()
+double Cuboid::getX2Minimum() const
{
return getMinimum(minX2, maxX2);
}
-double Cuboid::getX2Maximum()
+double Cuboid::getX2Maximum() const
{
return getMaximum(minX2, maxX2);
}
-double Cuboid::getX3Centroid()
+double Cuboid::getX3Centroid() const
{
return getCenter(minX3, maxX3);
}
-double Cuboid::getX3Minimum()
-{
+double Cuboid::getX3Minimum() const
+{
return getMinimum(minX3, maxX3);
}
-double Cuboid::getX3Maximum()
+double Cuboid::getX3Maximum() const
{
return getMaximum(minX3, maxX3);
}
@@ -131,7 +131,7 @@ bool Cuboid::isBetween(const real& coord, const real& start, const real& end)
}
-void Cuboid::scale(double delta)
+void Cuboid::changeSizeByDelta(double delta)
{
this->minX1 -= delta;
this->minX2 -= delta;
diff --git a/src/gpu/GridGenerator/geometries/Cuboid/Cuboid.h b/src/gpu/GridGenerator/geometries/Cuboid/Cuboid.h
index 7ff5c14c2..35d5d04c7 100644
--- a/src/gpu/GridGenerator/geometries/Cuboid/Cuboid.h
+++ b/src/gpu/GridGenerator/geometries/Cuboid/Cuboid.h
@@ -44,17 +44,17 @@ public:
SPtr<Object> clone() const override;
- double getX1Centroid() override;
- double getX1Minimum() override;
- double getX1Maximum() override;
- double getX2Centroid() override;
- double getX2Minimum() override;
- double getX2Maximum() override;
- double getX3Centroid() override;
- double getX3Minimum() override;
- double getX3Maximum() override;
+ double getX1Centroid() const override;
+ double getX1Minimum() const override;
+ double getX1Maximum() const override;
+ double getX2Centroid() const override;
+ double getX2Minimum() const override;
+ double getX2Maximum() const override;
+ double getX3Centroid() const override;
+ double getX3Minimum() const override;
+ double getX3Maximum() const override;
- void scale(double delta) override;
+ void changeSizeByDelta(double delta) override;
bool isPointInObject(const double& x1, const double& x2, const double& x3, const double& minOffset, const double& maxOffset) override;
diff --git a/src/gpu/GridGenerator/geometries/Object.h b/src/gpu/GridGenerator/geometries/Object.h
index 8bb0a35d5..116bb8fc2 100644
--- a/src/gpu/GridGenerator/geometries/Object.h
+++ b/src/gpu/GridGenerator/geometries/Object.h
@@ -46,20 +46,20 @@ public:
virtual ~Object() = default;
virtual SPtr<Object> clone() const = 0;
- virtual double getX1Centroid() = 0;
- virtual double getX1Minimum() = 0;
- virtual double getX1Maximum() = 0;
+ virtual double getX1Centroid() const = 0;
+ virtual double getX1Minimum() const = 0;
+ virtual double getX1Maximum() const = 0;
- virtual double getX2Centroid() = 0;
- virtual double getX2Minimum() = 0;
- virtual double getX2Maximum() = 0;
+ virtual double getX2Centroid() const = 0;
+ virtual double getX2Minimum() const = 0;
+ virtual double getX2Maximum() const = 0;
- virtual double getX3Centroid() = 0;
- virtual double getX3Minimum() = 0;
- virtual double getX3Maximum() = 0;
+ virtual double getX3Centroid() const = 0;
+ virtual double getX3Minimum() const = 0;
+ virtual double getX3Maximum() const = 0;
- virtual void scale(double delta) = 0;
+ virtual void changeSizeByDelta(double delta) = 0;
virtual bool isPointInObject(const double& x1, const double& x2, const double& x3, const double& minOffset, const double& maxOffset) = 0;
diff --git a/src/gpu/GridGenerator/geometries/Sphere/Sphere.cpp b/src/gpu/GridGenerator/geometries/Sphere/Sphere.cpp
index 4669bbcfb..2a54c710c 100644
--- a/src/gpu/GridGenerator/geometries/Sphere/Sphere.cpp
+++ b/src/gpu/GridGenerator/geometries/Sphere/Sphere.cpp
@@ -54,47 +54,47 @@ SPtr<Object> Sphere::clone() const
return std::make_shared<Sphere>(centerX, centerY, centerZ, radius);
}
-double Sphere::getX1Centroid()
+double Sphere::getX1Centroid() const
{
return centerX;
}
-double Sphere::getX1Minimum()
+double Sphere::getX1Minimum() const
{
return centerX - radius;
}
-double Sphere::getX1Maximum()
+double Sphere::getX1Maximum() const
{
return centerX + radius;
}
-double Sphere::getX2Centroid()
+double Sphere::getX2Centroid() const
{
return centerY;
}
-double Sphere::getX2Minimum()
+double Sphere::getX2Minimum() const
{
return centerY - radius;
}
-double Sphere::getX2Maximum()
+double Sphere::getX2Maximum() const
{
return centerY + radius;
}
-double Sphere::getX3Centroid()
+double Sphere::getX3Centroid() const
{
return centerZ;
}
-double Sphere::getX3Minimum()
+double Sphere::getX3Minimum() const
{
return centerZ - radius;
}
-double Sphere::getX3Maximum()
+double Sphere::getX3Maximum() const
{
return centerZ + radius;
}
@@ -115,7 +115,7 @@ bool Sphere::isPointInObject(const double& x1, const double& x2, const double& x
}
-void Sphere::scale(double delta)
+void Sphere::changeSizeByDelta(double delta)
{
this->radius += delta;
}
diff --git a/src/gpu/GridGenerator/geometries/Sphere/Sphere.h b/src/gpu/GridGenerator/geometries/Sphere/Sphere.h
index 9ac8821a9..92f600d20 100644
--- a/src/gpu/GridGenerator/geometries/Sphere/Sphere.h
+++ b/src/gpu/GridGenerator/geometries/Sphere/Sphere.h
@@ -46,20 +46,20 @@ public:
SPtr<Object> clone() const override;
- double getX1Centroid() override;
- double getX1Minimum() override;
- double getX1Maximum() override;
- double getX2Centroid() override;
- double getX2Minimum() override;
- double getX2Maximum() override;
- double getX3Centroid() override;
- double getX3Minimum() override;
- double getX3Maximum() override;
+ double getX1Centroid() const override;
+ double getX1Minimum() const override;
+ double getX1Maximum() const override;
+ double getX2Centroid() const override;
+ double getX2Minimum() const override;
+ double getX2Maximum() const override;
+ double getX3Centroid() const override;
+ double getX3Minimum() const override;
+ double getX3Maximum() const override;
bool isPointInObject(const double& x1, const double& x2, const double& x3, const double& minOffset, const double& maxOffset) override;
- void scale(double delta) override;
+ void changeSizeByDelta(double delta) override;
int getIntersection(const Vertex &P, const Vertex &direction, Vertex &pointOnObject, real &qVal) override;
diff --git a/src/gpu/GridGenerator/geometries/TriangularMesh/TriangularMesh.cpp b/src/gpu/GridGenerator/geometries/TriangularMesh/TriangularMesh.cpp
index 91bb8f030..e5ab3c832 100644
--- a/src/gpu/GridGenerator/geometries/TriangularMesh/TriangularMesh.cpp
+++ b/src/gpu/GridGenerator/geometries/TriangularMesh/TriangularMesh.cpp
@@ -185,7 +185,7 @@ bool intersectPlane(const Vertex &normal, const Vertex &pointOnPlane, const Vert
return false;
}
-void TriangularMesh::scale(double offset)
+void TriangularMesh::changeSizeByDelta(double offset)
{
std::vector<Triangle> triangles = this->triangleVec;
diff --git a/src/gpu/GridGenerator/geometries/TriangularMesh/TriangularMesh.h b/src/gpu/GridGenerator/geometries/TriangularMesh/TriangularMesh.h
index 7c050dd70..14ff45395 100644
--- a/src/gpu/GridGenerator/geometries/TriangularMesh/TriangularMesh.h
+++ b/src/gpu/GridGenerator/geometries/TriangularMesh/TriangularMesh.h
@@ -88,16 +88,16 @@ private:
public:
SPtr<Object> clone() const override;
- double getX1Centroid() override { throw "Not implemented in TriangularMesh"; }
- double getX1Minimum() override { return minmax.minX; }
- double getX1Maximum() override { return minmax.maxX; }
- double getX2Centroid() override { throw "Not implemented in TriangularMesh"; }
- double getX2Minimum() override { return minmax.minY; }
- double getX2Maximum() override { return minmax.maxY; }
- double getX3Centroid() override { throw "Not implemented in TriangularMesh"; }
- double getX3Minimum() override { return minmax.minZ; }
- double getX3Maximum() override { return minmax.maxZ; }
- void scale(double delta) override;
+ double getX1Centroid() const override { throw "Not implemented in TriangularMesh"; }
+ double getX1Minimum() const override { return minmax.minX; }
+ double getX1Maximum() const override { return minmax.maxX; }
+ double getX2Centroid() const override { throw "Not implemented in TriangularMesh"; }
+ double getX2Minimum() const override { return minmax.minY; }
+ double getX2Maximum() const override { return minmax.maxY; }
+ double getX3Centroid() const override { throw "Not implemented in TriangularMesh"; }
+ double getX3Minimum() const override { return minmax.minZ; }
+ double getX3Maximum() const override { return minmax.maxZ; }
+ void changeSizeByDelta(double delta) override;
bool isPointInObject(const double& x1, const double& x2, const double& x3, const double& minOffset,
const double& maxOffset) override {
return false;
diff --git a/src/gpu/GridGenerator/geometries/VerticalCylinder/VerticalCylinder.cpp b/src/gpu/GridGenerator/geometries/VerticalCylinder/VerticalCylinder.cpp
index 5019f2a75..909651be6 100644
--- a/src/gpu/GridGenerator/geometries/VerticalCylinder/VerticalCylinder.cpp
+++ b/src/gpu/GridGenerator/geometries/VerticalCylinder/VerticalCylinder.cpp
@@ -48,47 +48,47 @@ SPtr<Object> VerticalCylinder::clone() const
return std::make_shared<VerticalCylinder>(centerX, centerY, centerZ, radius, height);
}
-double VerticalCylinder::getX1Centroid()
+double VerticalCylinder::getX1Centroid() const
{
return centerX;
}
-double VerticalCylinder::getX1Minimum()
+double VerticalCylinder::getX1Minimum() const
{
return centerX - radius;
}
-double VerticalCylinder::getX1Maximum()
+double VerticalCylinder::getX1Maximum() const
{
return centerX + radius;
}
-double VerticalCylinder::getX2Centroid()
+double VerticalCylinder::getX2Centroid() const
{
return centerY;
}
-double VerticalCylinder::getX2Minimum()
+double VerticalCylinder::getX2Minimum() const
{
return centerY - radius;
}
-double VerticalCylinder::getX2Maximum()
+double VerticalCylinder::getX2Maximum() const
{
return centerY + radius;
}
-double VerticalCylinder::getX3Centroid()
+double VerticalCylinder::getX3Centroid() const
{
return centerZ;
}
-double VerticalCylinder::getX3Minimum()
+double VerticalCylinder::getX3Minimum() const
{
return centerZ - 0.5 * height;
}
-double VerticalCylinder::getX3Maximum()
+double VerticalCylinder::getX3Maximum() const
{
return centerZ + 0.5 * height;
}
@@ -111,8 +111,18 @@ bool VerticalCylinder::isPointInObject(const double& x1, const double& x2, const
}
-void VerticalCylinder::scale(double delta)
+void VerticalCylinder::changeSizeByDelta(double delta)
{
this->radius += delta;
- this->height += delta;
+ this->height += 2 * delta;
}
+
+double VerticalCylinder::getRadius() const
+{
+ return radius;
+}
+
+double VerticalCylinder::getHeight() const
+{
+ return height;
+}
\ No newline at end of file
diff --git a/src/gpu/GridGenerator/geometries/VerticalCylinder/VerticalCylinder.h b/src/gpu/GridGenerator/geometries/VerticalCylinder/VerticalCylinder.h
index 64cdecef5..f312df8f6 100644
--- a/src/gpu/GridGenerator/geometries/VerticalCylinder/VerticalCylinder.h
+++ b/src/gpu/GridGenerator/geometries/VerticalCylinder/VerticalCylinder.h
@@ -40,26 +40,30 @@ class GRIDGENERATOR_EXPORT VerticalCylinder : public Object
{
public:
VerticalCylinder(const double& centerX, const double& centerY, const double& centerZ, const double& radius, const double& height);
+ // the axis is in the z-direction
static SPtr<VerticalCylinder> makeShared(double centerX, double centerY, double centerZ, double radius, double height);
SPtr<Object> clone() const override;
- double getX1Centroid() override;
- double getX1Minimum() override;
- double getX1Maximum() override;
- double getX2Centroid() override;
- double getX2Minimum() override;
- double getX2Maximum() override;
- double getX3Centroid() override;
- double getX3Minimum() override;
- double getX3Maximum() override;
+ double getX1Centroid() const override;
+ double getX1Minimum() const override;
+ double getX1Maximum() const override;
+ double getX2Centroid() const override;
+ double getX2Minimum() const override;
+ double getX2Maximum() const override;
+ double getX3Centroid() const override;
+ double getX3Minimum() const override;
+ double getX3Maximum() const override;
+
+ double getRadius() const;
+ double getHeight() const;
bool isPointInObject(const double& x1, const double& x2, const double& x3, const double& minOffset, const double& maxOffset) override;
- void scale(double delta) override;
-
+ void changeSizeByDelta(double delta) override;
+
protected:
double centerX;
double centerY;
diff --git a/src/gpu/GridGenerator/geometries/VerticalCylinder/VerticalCylinderTest.cpp b/src/gpu/GridGenerator/geometries/VerticalCylinder/VerticalCylinderTest.cpp
new file mode 100644
index 000000000..7bca5db99
--- /dev/null
+++ b/src/gpu/GridGenerator/geometries/VerticalCylinder/VerticalCylinderTest.cpp
@@ -0,0 +1,57 @@
+#include <gmock/gmock.h>
+
+#include "VerticalCylinder.h"
+
+class VerticalCylinderTest : public testing::Test
+{
+protected:
+ std::array<double, 3> center = { 0.1, 0.2, 0.3 };
+ double radius = 2.0;
+ double height = 8.0;
+ VerticalCylinder cylinder = VerticalCylinder(center[0], center[1], center[2], radius, height);
+};
+
+TEST_F(VerticalCylinderTest, getCentroid)
+{
+ EXPECT_THAT(cylinder.getX1Centroid(), testing::Eq(center[0]));
+ EXPECT_THAT(cylinder.getX2Centroid(), testing::Eq(center[1]));
+ EXPECT_THAT(cylinder.getX3Centroid(), testing::Eq(center[2]));
+}
+
+TEST_F(VerticalCylinderTest, getMinimum)
+{
+ EXPECT_THAT(cylinder.getX1Minimum(), testing::Eq(-radius + center[0]));
+ EXPECT_THAT(cylinder.getX2Minimum(), testing::Eq(-radius + center[1]));
+ EXPECT_THAT(cylinder.getX3Minimum(), testing::Eq(-0.5 * height + center[2]));
+}
+
+TEST_F(VerticalCylinderTest, getMaximum)
+{
+ EXPECT_THAT(cylinder.getX1Maximum(), testing::Eq(radius + center[0]));
+ EXPECT_THAT(cylinder.getX2Maximum(), testing::Eq(radius + center[1]));
+ EXPECT_THAT(cylinder.getX3Maximum(), testing::Eq(0.5 * height + center[2]));
+}
+
+TEST_F(VerticalCylinderTest, isPointInObject)
+{
+ double epsilon = 0.0001;
+ EXPECT_TRUE(cylinder.isPointInObject(center[0], center[1], center[2], 0.0, 0.0));
+
+ // x
+ EXPECT_TRUE(cylinder.isPointInObject(center[0] - radius + epsilon, center[1], center[2], 0.0, 0.0));
+ EXPECT_FALSE(cylinder.isPointInObject(center[0] - radius - epsilon, center[1], center[2], 0.0, 0.0));
+ EXPECT_TRUE(cylinder.isPointInObject(center[0] + radius - epsilon, center[1], center[2], 0.0, 0.0));
+ EXPECT_FALSE(cylinder.isPointInObject(center[0] + radius + epsilon, center[1], center[2], 0.0, 0.0));
+
+ // y
+ EXPECT_TRUE(cylinder.isPointInObject(center[0], center[1] - radius + epsilon, center[2], 0.0, 0.0));
+ EXPECT_FALSE(cylinder.isPointInObject(center[0], center[1] - radius - epsilon, center[2], 0.0, 0.0));
+ EXPECT_TRUE(cylinder.isPointInObject(center[0], center[1] + radius - epsilon, center[2], 0.0, 0.0));
+ EXPECT_FALSE(cylinder.isPointInObject(center[0], center[1] + radius + epsilon, center[2], 0.0, 0.0));
+
+ // z
+ EXPECT_TRUE(cylinder.isPointInObject(center[0], center[1], center[2] - 0.5 * height + epsilon, 0.0, 0.0));
+ EXPECT_FALSE(cylinder.isPointInObject(center[0], center[1], center[2] - 0.5 * height - epsilon, 0.0, 0.0));
+ EXPECT_TRUE(cylinder.isPointInObject(center[0], center[1], center[2] + 0.5 * height - epsilon, 0.0, 0.0));
+ EXPECT_FALSE(cylinder.isPointInObject(center[0], center[1], center[2] + 0.5 * height + epsilon, 0.0, 0.0));
+}
\ No newline at end of file
--
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