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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//Simple arithmatic manipulation of one 2D array elements
using System;
public class Arrayclass
{
public double[,] a2d;
public double[,,] a3d;
public Arrayclass(int size)
{
a2d = new double[size, size];
a3d = new double[size, size + 5, size + 10];
}
}
public class class1
{
public static Random rand;
public static int size;
public static Arrayclass ima;
public static double GenerateDbl()
{
int e;
int op1 = (int)((float)rand.Next() / Int32.MaxValue * 2);
if (op1 == 0)
e = -rand.Next(0, 14);
else
e = +rand.Next(0, 14);
return Math.Pow(2, e);
}
public static void Init2DMatrix(out double[,] m, out double[][] refm)
{
int i, j;
i = 0;
double temp;
m = new double[size, size];
refm = new double[size][];
for (int k = 0; k < refm.Length; k++)
refm[k] = new double[size];
while (i < size)
{
j = 0;
while (j < size)
{
temp = GenerateDbl();
m[i, j] = temp - 60;
refm[i][j] = temp - 60;
j++;
}
i++;
}
}
public static void Process2DArray(ref double[,] a2d)
{
for (int i = 3; i < size + 3; i++)
for (int j = -10; j < size - 10; j++)
{
int b = j + 5;
a2d[i - 3, b + 5] += a2d[0, b + 5] + a2d[1, b + 5];
a2d[i - 3, b + 5] *= a2d[i - 3, j + 10] + a2d[2, b + 5];
a2d[i - 3, j + 10] -= a2d[i - 3, b + 5] * a2d[3, j + 10];
if ((a2d[i - 3, b + 5] + a2d[4, j + 10]) != 0)
a2d[i - 3, b + 5] /= a2d[i - 3, b + 5] + a2d[4, b + 5];
else
a2d[i - 3, j + 10] += a2d[i - 3, j + 10] * a2d[4, j + 10];
for (int k = 5; k < size; k++)
a2d[i - 3, b + 5] += a2d[k, j + 10];
}
}
public static void ProcessJagged2DArray(ref double[][] a2d)
{
for (int i = 0; i < size; i++)
for (int j = 0; j < size; j++)
{
a2d[i][j] += a2d[0][j] + a2d[1][j];
a2d[i][j] *= a2d[i][j] + a2d[2][j];
a2d[i][j] -= a2d[i][j] * a2d[3][j];
if ((a2d[i][j] + a2d[4][j]) != 0)
a2d[i][j] /= a2d[i][j] + a2d[4][j];
else
a2d[i][j] += a2d[i][j] * a2d[4][j];
for (int k = 5; k < size; k++)
a2d[i][j] += a2d[k][j];
}
}
public static void Init3DMatrix(double[,,] m, double[][] refm)
{
int i, j;
i = 0;
double temp;
//m = new double[size, size, size];
//refm = new double[size][];
//for (int k=0; k<refm.Length; k++)
//refm[k] = new double[size];
while (i < size)
{
j = 0;
while (j < size)
{
temp = GenerateDbl();
m[i, j, size] = temp - 60;
refm[i][j] = temp - 60;
j++;
}
i++;
}
}
public static void Process3DArray(double[,,] a3d)
{
for (int i = 0; i < size; i++)
for (int j = 0; j < size; j++)
{
a3d[i, j, size] += a3d[0, j, size] + a3d[1, j, size];
a3d[i, j, size] *= a3d[i, j, size] + a3d[2, j, size];
a3d[i, j, size] -= a3d[i, j, size] * a3d[3, j, size];
if ((a3d[i, j, size] + a3d[4, j, size]) != 0)
a3d[i, j, size] /= a3d[i, j, size] + a3d[4, j, size];
else
a3d[i, j, size] += a3d[i, j, size] * a3d[4, j, size];
for (int k = 5; k < size; k++)
a3d[i, j, size] *= a3d[k, j, size];
}
}
public static void ProcessJagged3DArray(double[][] a3d)
{
for (int i = 0; i < size; i++)
for (int j = 0; j < size; j++)
{
a3d[i][j] += a3d[0][j] + a3d[1][j];
a3d[i][j] *= a3d[i][j] + a3d[2][j];
a3d[i][j] -= a3d[i][j] * a3d[3][j];
if ((a3d[i][j] + a3d[4][j]) != 0)
a3d[i][j] /= a3d[i][j] + a3d[4][j];
else
a3d[i][j] += a3d[i][j] * a3d[4][j];
for (int k = 5; k < size; k++)
a3d[i][j] *= a3d[k][j];
}
}
public static int Main()
{
bool pass = false;
rand = new Random();
size = rand.Next(5, 10);
Console.WriteLine();
Console.WriteLine("2D Array");
Console.WriteLine("Element manipulation of {0} by {0} matrices with different arithmatic operations", size);
Console.WriteLine("Matrix is member of class, element stores random double");
Console.WriteLine("array set/get, ref/out param are used");
ima = new Arrayclass(size);
double[][] refa2d = new double[size][];
Init2DMatrix(out ima.a2d, out refa2d);
int m = 0;
int n;
while (m < size)
{
n = 0;
while (n < size)
{
Process2DArray(ref ima.a2d);
ProcessJagged2DArray(ref refa2d);
n++;
}
m++;
}
for (int i = 0; i < size; i++)
{
pass = true;
for (int j = 0; j < size; j++)
if (ima.a2d[i, j] != refa2d[i][j])
if (!Double.IsNaN(ima.a2d[i, j]) || !Double.IsNaN(refa2d[i][j]))
{
Console.WriteLine("i={0}, j={1}, ima.a2d[i,j] {2}!=refa2d[i][j] {3}", i, j, ima.a2d[i, j], refa2d[i][j]);
pass = false;
}
}
if (pass)
{
try
{
ima.a2d[size, 0] = 5;
pass = false;
}
catch (IndexOutOfRangeException)
{ }
}
Console.WriteLine();
Console.WriteLine("3D Array");
Console.WriteLine("Element manipulation of {0} by {1} by {2} matrices with different arithmatic operations", size, size + 5, size + 10);
Console.WriteLine("Matrix is member of class, element stores random double");
double[][] refa3d = new double[size][];
for (int k = 0; k < refa3d.Length; k++)
refa3d[k] = new double[size];
Init3DMatrix(ima.a3d, refa3d);
m = 0;
n = 0;
while (m < size)
{
n = 0;
while (n < size)
{
Process3DArray(ima.a3d);
ProcessJagged3DArray(refa3d);
n++;
}
m++;
}
for (int i = 0; i < size; i++)
{
pass = true;
for (int j = 0; j < size; j++)
if (ima.a3d[i, j, size] != refa3d[i][j])
if (!Double.IsNaN(ima.a3d[i, j, size]) || !Double.IsNaN(refa3d[i][j]))
{
Console.WriteLine("i={0}, j={1}, ima.a3d[i,j,size] {2}!=refa3d[i][j] {3}", i, j, ima.a3d[i, j, size], refa3d[i][j]);
pass = false;
}
}
if (pass)
{
try
{
ima.a3d[-1, 0, 0] = 5;
pass = false;
}
catch (IndexOutOfRangeException)
{ }
}
Console.WriteLine();
if (pass)
{
Console.WriteLine("PASSED");
return 100;
}
else
{
Console.WriteLine("FAILED");
return 1;
}
}
}
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