private void repeatedAssembly(IElementalAccessMatrix A, int nu)
{
for (int i = 0; i < repeat; ++i)
{
check(A, TesterUtilities.SetAssembleRowMatrix(A, nu));
Blas.Default.Zero(A);
check(A, TesterUtilities.setsAssembleRowMatrix(A, nu));
Blas.Default.Zero(A);
check(A, TesterUtilities.AddAssembleRowMatrix(A, nu));
Blas.Default.Zero(A);
check(A, TesterUtilities.addsAssembleRowMatrix(A, nu));
Blas.Default.Zero(A);
check(A, TesterUtilities.setAssembleColumnMatrix(A, nu));
Blas.Default.Zero(A);
check(A, TesterUtilities.setsAssembleColumnMatrix(A, nu));
Blas.Default.Zero(A);
check(A, TesterUtilities.addAssembleColumnMatrix(A, nu));
Blas.Default.Zero(A);
check(A, TesterUtilities.addsAssembleColumnMatrix(A, nu));
Blas.Default.Zero(A);
}
}
/// <summary> Column-wise assembly using set</summary>
/// <param name="nu">Maximum bandwidth on each column
/// </param>
/// <returns> Dense representation (not a direct copy)
/// </returns>
public static double[,] setAssembleColumnMatrix(IElementalAccessMatrix A, int nu)
{
int n = A.RowCount, m = A.ColumnCount;
double[,] data = new double[n, m];
// for (int i = 0; i < n; i++)
// {
// data[i] = new double[m];
// }
Random r = new Random();
// Construct the matrix
for (int i = 0; i < m; ++i)
{
for (int j = 0; j < nu; ++j)
{
int ind = TesterUtilities.getInt(n, r);
double entry = r.NextDouble();
data[ind, i] = entry;
A.SetValue(ind, i, entry);
}
}
return(data);
}
/// <summary> Column-wise assembly using setValues</summary>
/// <param name="nu">Maximum bandwidth on each column
/// </param>
/// <returns> Dense representation (not a direct copy)
/// </returns>
public static double[,] setsAssembleColumnMatrix(IElementalAccessMatrix A, int nu)
{
int n = A.RowCount, m = A.ColumnCount;
double[,] data = new double[n, m];
// for (int i = 0; i < n; i++)
// {
// data[i] = new double[m];
// }
Random r = new Random();
for (int i = 0; i < m; ++i)
{
int[] row = TesterUtilities.getIntArray(nu, r), col = TesterUtilities.getIntArray(m, r);
double[,] entry = TesterUtilities.getDoubleArray(row.Length, col.Length, r);
for (int ii = 0; ii < row.Length; ++ii)
{
for (int jj = 0; jj < col.Length; ++jj)
{
data[row[ii], col[jj]] = entry[ii, jj];
}
}
A.SetValues(row, col, entry);
}
return(data);
}
[Test] public virtual void SparseVector()
{
int n = TesterUtilities.getInt(nmax, r), nu = GetNu(n);
IElementalAccessVector x = new SparseVector(n);
repeatedAssembly(x, nu);
}
[Test] public virtual void SparseColumnMatrix()
{
int n = TesterUtilities.getInt(nmax, r),
m = TesterUtilities.getInt(mmax, r),
nu = GetNu(n, m);
IElementalAccessMatrix A = new SparseColumnMatrix(n, m);
repeatedAssembly(A, nu);
}
[Test] public virtual void CoordinateTranspose()
{
int n = TesterUtilities.getInt(nmax, r),
m = TesterUtilities.getInt(mmax, r),
nu = GetNu(n, m);
for (int i = 0; i < repeat; ++i)
{
IElementalAccessMatrix A = new CoordinateMatrix(n, m);
double[,] Am = TesterUtilities.SetAssembleRowMatrix(A, nu);
TransposeCheck(A, Am);
}
}
[Test] public virtual void SparseColumnRowTranspose()
{
int n = TesterUtilities.getInt(nmax, r),
m = TesterUtilities.getInt(mmax, r),
nu = GetNu(n, m);
for (int i = 0; i < repeat; ++i)
{
IElementalAccessMatrix A = new SparseColumnRowMatrix(n, m, nu);
double[,] Am = TesterUtilities.setAssembleColumnMatrix(A, nu);
TransposeCheck(A, Am);
}
}
private void transCheck(IElementalAccessMatrix A, IElementalAccessVector x,
IElementalAccessVector y, IElementalAccessVector z, double[,] Ad)
{
double[] xd = TesterUtilities.setAssembleVector(x),
yd = TesterUtilities.setAssembleVector(y),
zd = TesterUtilities.setAssembleVector(z);
Random r = new Random();
double alpha = r.NextDouble(), beta = r.NextDouble();
Blas.Default.TransMultAdd(alpha, A, x, beta, y, z);
transMultAdd(alpha, Ad, xd, beta, yd, zd);
checkEqual(z, zd);
}
[Test] public virtual void SparseColumnRowMatrix()
{
int n = TesterUtilities.getInt(nmax, r),
m = TesterUtilities.getInt(mmax, r),
nu = GetNu(n, m);
for (int i = 0; i < 10; ++i)
{
IElementalAccessMatrix A = new SparseColumnRowMatrix(n, m, nu);
check(A, TesterUtilities.setAssembleColumnMatrix(A, nu));
A = new SparseColumnRowMatrix(n, m, nu);
check(A, TesterUtilities.addAssembleColumnMatrix(A, nu));
}
}
[Test] public virtual void SparseRowColumnTransMult()
{
int n = TesterUtilities.getInt(nmax, r),
m = TesterUtilities.getInt(mmax, r),
nu = GetNu(n, m);
for (int i = 0; i < repeat; ++i)
{
IElementalAccessMatrix A = new SparseRowColumnMatrix(n, m, nu);
IElementalAccessVector x = new DenseVector(n),
y = new DenseVector(m),
z = new DenseVector(m);
transRowCheck(A, x, y, z, nu);
}
}
/// <summary> Assembly using setValues</summary>
/// <param name="nu">Maximum number of entries
/// </param>
/// <returns> Dense representation (not a direct copy)
/// </returns>
public static double[] setsAssembleVector(IElementalAccessVector x, int nu)
{
int n = x.Length;
double[] data = new double[n];
Random r = new Random();
int[] ind = TesterUtilities.getIntArray(nu, r);
double[] arr = TesterUtilities.getDoubleArray(ind.Length, r);
for (int i = 0; i < ind.Length; ++i)
{
data[ind[i]] = arr[i];
}
x.SetValues(ind, arr);
return(data);
}
private void repeatedAssembly(IElementalAccessVector x, int nu)
{
for (int i = 0; i < repeat; ++i)
{
Check(x, TesterUtilities.setAssembleVector(x, nu));
Blas.Default.Zero(x);
Check(x, TesterUtilities.setsAssembleVector(x, nu));
Blas.Default.Zero(x);
Check(x, TesterUtilities.addAssembleVector(x, nu));
Blas.Default.Zero(x);
Check(x, TesterUtilities.addsAssembleVector(x, nu));
Blas.Default.Zero(x);
}
}
/// <summary> Assembly using setValue</summary>
/// <param name="nu">Maximum number of entries
/// </param>
/// <returns> Dense representation (not a direct copy)
/// </returns>
public static double[] setAssembleVector(IElementalAccessVector x, int nu)
{
int n = x.Length;
double[] data = new double[n];
Random r = new Random();
for (int i = 0; i < nu; ++i)
{
int ind = TesterUtilities.getInt(n, r);
double entry = r.NextDouble();
data[ind] = entry;
x.SetValue(ind, entry);
}
return(data);
}
/// <summary> Row-wise assembly using add</summary>
/// <param name="nu">Maximum bandwidth on each row
/// </param>
/// <returns> Dense representation (not a direct copy)
/// </returns>
public static double[,] AddAssembleRowMatrix(IElementalAccessMatrix A, int nu)
{
int n = A.RowCount, m = A.ColumnCount;
double[,] data = new double[n, m];
// for (int i = 0; i < n; i++)
// {
// data[i] = new double[m];
// }
Random r = new Random();
for (int i = 0; i < n; ++i)
{
for (int j = 0; j < nu; ++j)
{
int ind = TesterUtilities.getInt(m, r);
double entry = r.NextDouble();
data[i, ind] += entry;
A.AddValue(i, ind, entry);
}
}
return(data);
}
private void check(IElementalAccessMatrix A, double[,] real)
{
AreEqual(TesterUtilities.getElMatrix(A), real);
AreEqual(TesterUtilities.getMatrix(A), real);
AreEqual(TesterUtilities.getMatrixCopy(A), real);
}
private void rowCheck(IElementalAccessMatrix A, IElementalAccessVector x,
IElementalAccessVector y, IElementalAccessVector z, int nu)
{
double[,] Ad = TesterUtilities.SetAssembleRowMatrix(A, nu);
check(A, x, y, z, Ad);
}
private void transColumnCheck(IElementalAccessMatrix A, IElementalAccessVector x,
IElementalAccessVector y, IElementalAccessVector z, int nu)
{
double[,] Ad = TesterUtilities.setAssembleColumnMatrix(A, nu);
transCheck(A, x, y, z, Ad);
}
// VECTOR TESTING
private int GetNu(int n)
{
return(Math.Min(n, TesterUtilities.getInt(numax, r)));
}
private void Check(IElementalAccessVector x, double[] real)
{
AreEqual(TesterUtilities.getElVector(x), real);
AreEqual(TesterUtilities.getVector(x), real);
AreEqual(TesterUtilities.getVectorCopy(x), real);
}
