public void Test_DivideDouble()
{
int errorCode = 0;
// success?
try {
ILPerformer p = new ILPerformer();
double[] data1 = new double[10] {
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
};
double[] data2 = new double[10] {
11, 12, -13, 14, 15, 16, -17, 18, 19, 110
};
double tmp = ((double)13.0) / ((double)3.0);
double[] results = new double[18] {
11.0000, (double)-13.0 / (double)3.0, 15.0 / 5.0, 19.0 / 9.0, 11
, 3.0000, 6.0000, 3.5000, 16.0 / 6.0, 11.0000, 6.0000, 16.0 / 6.0, 11.0000
, -13.0 / 3.0, 3.0000, 19.0 / 9.0, 11.0000, 3.0000
};
ILArray <double> C = new ILArray <double>(data1, 2, 5);
ILArray <double> B = new ILArray <double>(data2, 2, 5);
ILArray <double> R = new ILArray <double>(results, 6, 3);
ILArray <double> BR = (ILArray <double>)B[1, "0:1,0;0,1,2,4,0,2"];
ILArray <double> CR = (ILArray <double>)C[1, "0:1,0;0,1,2,4,0,2"];
C = (ILArray <double>)CR.T.T;
B = (ILArray <double>)BR.T.T;
C.Detach();
B.Detach();
ILArray <double> A = B / C;
errorCode = 1;
if (!A.Equals(R))
{
throw new Exception("Values did not match!");
}
A = B / CR;
errorCode = 2;
if (!A.Equals(R))
{
throw new Exception("Values did not match!");
}
A = BR / CR;
errorCode = 3;
if (!A.Equals(R))
{
throw new Exception("Values did not match!");
}
A = BR / CR;
errorCode = 4;
if (!A.Equals(R))
{
throw new Exception("Values did not match!");
}
Success("Test_DivideDouble successful. (" + p.Toc() + "ms needed)");
}
catch (Exception e) {
Error("Test_DivideDouble failed at step: " + errorCode + " Msg: " + e.Message);
}
}
public void Test_MultiplyElementsDouble()
{
int errorCode = 0;
// success?
try {
ILPerformer p = new ILPerformer();
double[] data1 = new double[10] {
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
};
double[] data2 = new double[10] {
11, 12, -13, 14, 15, 16, -17, 18, 19, 110
};
double[] results = new double[18] {
11, -39, 75, 171, 11, 75, 24, 56, 96, 1100
, 24, 96, 11, -39, 75, 171, 11, 75
};
ILArray <double> C = new ILArray <double>(data1, 2, 5);
ILArray <double> B = new ILArray <double>(data2, 2, 5);
ILArray <double> R = new ILArray <double>(results, 6, 3);
ILArray <double> BR = (ILArray <double>)B[1, "0:1,0;0,1,2,4,0,2"];
ILArray <double> CR = (ILArray <double>)C[1, "0:1,0;0,1,2,4,0,2"];
C = (ILArray <double>)CR.T.T;
B = (ILArray <double>)BR.T.T;
C.Detach();
B.Detach();
ILArray <double> A = B * C;
errorCode = 1;
if (!A.Equals(R))
{
throw new Exception("Values did not match!");
}
A = B * CR;
errorCode = 2;
if (!A.Equals(R))
{
throw new Exception("Values did not match!");
}
A = BR * CR;
errorCode = 3;
if (!A.Equals(R))
{
throw new Exception("Values did not match!");
}
A = BR * CR;
errorCode = 4;
if (!A.Equals(R))
{
throw new Exception("Values did not match!");
}
Success("Test_MultiplyElementsDouble successful. (" + p.Toc() + "ms needed)");
}
catch (Exception e) {
Error("Test_MultiplyElementsDouble failed at step: " + errorCode + " Msg: " + e.Message);
}
}
public void Test_AddDouble()
{
int errorCode = 0;
// success?
try {
ILPerformer p = new ILPerformer();
double[] data1 = new double[10] {
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
};
double[] data2 = new double[10] {
11, 12, -13, 14, 15, 16, -17, 18, 19, 110
};
double[] results = new double[18] {
12, -10, 20, 28, 12, 20, 14, 18, 22, 120, 14, 22, 12, -10
, 20, 28, 12, 20
};
ILArray <double> C = new ILArray <double>(data1, 2, 5);
ILArray <double> B = new ILArray <double>(data2, 2, 5);
ILArray <double> R = new ILArray <double>(results, 6, 3);
ILArray <double> BR = (ILArray <double>)B[1, "0:1,0;0,1,2,4,0,2"];
ILArray <double> CR = (ILArray <double>)C[1, "0:1,0;0,1,2,4,0,2"];
C = CR.R; // creates reference only
B = BR.R;
C.Detach();
B.Detach();
ILArray <double> A = B + C;
errorCode = 1;
if (!A.Equals(R))
{
throw new Exception("Values did not match!");
}
A = B + CR;
errorCode = 2;
if (!A.Equals(R))
{
throw new Exception("Values did not match!");
}
A = BR + CR;
errorCode = 3;
if (!A.Equals(R))
{
throw new Exception("Values did not match!");
}
A = BR + CR;
errorCode = 4;
if (!A.Equals(R))
{
throw new Exception("Values did not match!");
}
Success("Test_AddDouble successful. (" + p.Toc() + "ms needed)");
}
catch (Exception e) {
Error("Test_AddDouble failed at step: " + errorCode + " Msg: " + e.Message);
}
}
private string[] generateStringsRandom(int count, int maxLen)
{
string [] ret = new string[count];
ILArray <int> r = ILMath.toint32(ILMath.rand(maxLen, count) * 26) + (int)'a';
ILArray <int> lens = ILMath.toint32(ILMath.rand(1, count) * (maxLen - 1));
for (int i = 0; i < count; i++)
{
ILArray <double> rang = ILMath.vector(0, lens.GetValue(i));
ILArray <char> chars = ILMath.tochar(r[rang, i]);
ret[i] = new String(chars.Detach().m_data);
}
return(ret);
}
/// <summary>
/// singular value decomposition
/// </summary>
/// <param name="X">matrix X. The elements of X will not be altered.</param>
/// <param name="U">(return value) left singular vectors of X as columns of matrix U.
/// If this parameter is set, it must be not null. It might be an empty array. On return
/// it will be set to a physical array accordingly.</param>
/// <param name="V">right singular vectors of X as rows of matrix V.
/// If this parameter is set, it must be not null. It might be an empty array. On return
/// it will be set to a physical array accordingly.</param>
/// <param name="small">if true: return only first min(M,N) columns of U and S will be
/// of size [min(M,N),min(M,N)]</param>
/// <param name="discardFiniteTest">if true: the matrix given will not be checked for infinte or NaN values. If such elements
/// are contained nevertheless, this may result in failing convergence or error. In worst case
/// the function may hang inside the Lapack lib. Use with care! </param>
/// <returns>singluar values as diagonal matrix of same size as X</returns>
/// <remarks>the right singular vectors V will be returned as reference array.</remarks>
public static ILArray<double> svd( ILArray<complex> X, ref ILArray<complex> U, ref ILArray<complex> V, bool small, bool discardFiniteTest) {
if (!X.IsMatrix)
throw new ILArgumentSizeException("svd is defined for matrices only!");
// early exit for small matrices
if (X.Dimensions[1] < 4 && X.Dimensions[0] == X.Dimensions[1]) {
switch (X.Dimensions[0]) {
case 1:
if (!Object.Equals(U,null))
U = ( complex ) 1.0;
if (!Object.Equals(V,null))
V = ( complex ) 1.0;
return new ILArray<double> ( ILMath.abs(X));
//case 2:
// return -1;
//case 3:
// return -1;
}
}
if (!discardFiniteTest && !all(all(isfinite( X ))))
throw new ILArgumentException("svd: input must have only finite elements!");
if (Lapack == null)
throw new ILMathException("No Lapack package available.");
// parameter evaluation
int M = X.Dimensions[0]; int N = X.Dimensions[1];
int minMN = (M < N) ? M : N;
int LDU = M; int LDVT = N;
int LDA = M;
double [] dS = new double [minMN];
char jobz = (small) ? 'S' : 'A';
complex [] dU = null;
complex [] dVT = null;
int info = 0;
if (!Object.Equals(U, null) || !Object.Equals(V, null)) {
// need to return U and VT
if (small) {
dU = new complex [M * minMN];
dVT = new complex [N * minMN];
} else {
dU = new complex [M * M];
dVT = new complex [N * N];
}
} else {
jobz = 'N';
}
if (X.IsReference) {
X.Detach();
}
// must create copy of input !
complex [] dInput = new complex [X.m_data.Length];
System.Array.Copy(X.m_data, dInput, X.m_data.Length);
Lapack.zgesdd(jobz, M, N, dInput, LDA, dS, dU, LDU, dVT, LDVT, ref info);
if (info < 0)
throw new ILArgumentException ("ILMath.svd: the " + (-info).ToString() +"th argument was invalid.");
if (info > 0)
throw new ILArgumentException("svd was not converging!");
ILArray<double> ret = null;
if (info == 0) {
// success
if (!Object.Equals(U, null) || !Object.Equals(V, null)) {
if (small) {
ret = ILArray<double> .zeros(minMN,minMN);
} else {
ret = ILArray<double> .zeros(M, N);
}
for (int i = 0; i < minMN; i++) {
ret.SetValue(dS[i],i,i);
}
if (!Object.Equals(U, null))
U = new ILArray<complex> (dU,M,dU.Length / M);
if (!Object.Equals(V, null)) {
V = conj(new ILArray<complex> (dVT,N,dVT.Length / N).T);
}
} else {
ret = new ILArray<double> (dS,minMN,1);
}
}
return ret;
}
/// <summary>
/// singular value decomposition
/// </summary>
/// <param name="X">matrix X. The elements of X will not be altered.</param>
/// <param name="U">(return value) left singular vectors of X as columns of matrix U.
/// If this parameter is set, it must be not null. It might be an empty array. On return
/// it will be set to a physical array accordingly.</param>
/// <param name="V">right singular vectors of X as rows of matrix V.
/// If this parameter is set, it must be not null. It might be an empty array. On return
/// it will be set to a physical array accordingly.</param>
/// <param name="small">if true: return only first min(M,N) columns of U and S will be
/// of size [min(M,N),min(M,N)]</param>
/// <param name="discardFiniteTest">if true: the matrix given will not be checked for infinte or NaN values. If such elements
/// are contained nevertheless, this may result in failing convergence or error. In worst case
/// the function may hang inside the Lapack lib. Use with care! </param>
/// <returns>singluar values as diagonal matrix of same size as X</returns>
/// <remarks>the right singular vectors V will be returned as reference array.</remarks>
public static ILArray <double> svd(ILArray <complex> X, ref ILArray <complex> U, ref ILArray <complex> V, bool small, bool discardFiniteTest)
{
if (!X.IsMatrix)
{
throw new ILArgumentSizeException("svd is defined for matrices only!");
}
// early exit for small matrices
if (X.Dimensions[1] < 4 && X.Dimensions[0] == X.Dimensions[1])
{
switch (X.Dimensions[0])
{
case 1:
if (!Object.Equals(U, null))
{
U = ( complex )1.0;
}
if (!Object.Equals(V, null))
{
V = ( complex )1.0;
}
return(new ILArray <double> (ILMath.abs(X)));
//case 2:
// return -1;
//case 3:
// return -1;
}
}
if (!discardFiniteTest && !all(all(isfinite(X))))
{
throw new ILArgumentException("svd: input must have only finite elements!");
}
if (Lapack == null)
{
throw new ILMathException("No Lapack package available.");
}
// parameter evaluation
int M = X.Dimensions[0]; int N = X.Dimensions[1];
int minMN = (M < N) ? M : N;
int LDU = M; int LDVT = N;
int LDA = M;
double [] dS = new double [minMN];
char jobz = (small) ? 'S' : 'A';
complex [] dU = null;
complex [] dVT = null;
int info = 0;
if (!Object.Equals(U, null) || !Object.Equals(V, null))
{
// need to return U and VT
if (small)
{
dU = new complex [M * minMN];
dVT = new complex [N * minMN];
}
else
{
dU = new complex [M * M];
dVT = new complex [N * N];
}
}
else
{
jobz = 'N';
}
if (X.IsReference)
{
X.Detach();
}
// must create copy of input !
complex [] dInput = new complex [X.m_data.Length];
System.Array.Copy(X.m_data, dInput, X.m_data.Length);
Lapack.zgesdd(jobz, M, N, dInput, LDA, dS, dU, LDU, dVT, LDVT, ref info);
if (info < 0)
{
throw new ILArgumentException("ILMath.svd: the " + (-info).ToString() + "th argument was invalid.");
}
if (info > 0)
{
throw new ILArgumentException("svd was not converging!");
}
ILArray <double> ret = null;
if (info == 0)
{
// success
if (!Object.Equals(U, null) || !Object.Equals(V, null))
{
if (small)
{
ret = ILArray <double> .zeros(minMN, minMN);
}
else
{
ret = ILArray <double> .zeros(M, N);
}
for (int i = 0; i < minMN; i++)
{
ret.SetValue(dS[i], i, i);
}
if (!Object.Equals(U, null))
{
U = new ILArray <complex> (dU, M, dU.Length / M);
}
if (!Object.Equals(V, null))
{
V = conj(new ILArray <complex> (dVT, N, dVT.Length / N).T);
}
}
else
{
ret = new ILArray <double> (dS, minMN, 1);
}
}
return(ret);
}
public void Test_setrange_of_reference() {
int errorCode = 0;
// success?
try {
object[] data = new object[120];
for (int i = 120; i-- > 0; )
data[i] = (double)i;
ILArray<object> B = new ILArray<object>(data, 5, 4, 1, 3, 2, 1);
int oldRefDim = ILSettings.MinimumRefDimensions;
ILSettings.MinimumRefDimensions = 2;
ILArray<object> A = B[3,"0:2,4;1,3;0;2,1,0,1"];
// make A writable
ILArray<object>.DetachReferences = ILDetachingBehavior.DetachNever;
B.Detach();
errorCode = 1;
// new values
double[] vals = new double[12] { 101, 102, 103, 104, 105, 106, 107,
108, 109, 110, 111, 112 };
object[] valso = new object[vals.Length];
for (int i = 0; i < vals.Length; i++)
valso[i] = vals[i];
ILArray<object> C = new ILArray<object>(valso, 3, 2, 2);
// should replace missing trailing dimension by 0
// inner singleton dimensions should be ok!
ILArray<object>.DetachReferences = ILDetachingBehavior.DetachSave;
A["0,2,3;0,3;0,1"] = C;
errorCode = 2;
double[] results = new double[32] {101,103,102,103,46,26, 6,26,47
,27, 7,27,104,106,105,106,107,109,108,109,56,36,16,36,57,37,17
,37,110,112,111,112};
ILIterator<object> I = A.CreateIterator(ILIteratorPositions.ILStart, 0);
int count = 0;
do {
if (((Double)I.Value).CompareTo(results[count++]) != 0)
throw new Exception("Values did not match!");
I.Increment();
} while (!I.IsAtStart());
errorCode = 3;
// test detaching before altering
ILArray<object>.DetachReferences = ILDetachingBehavior.DetachOnWrite;
A = B[3,"0:2,4;1,3;0;2,1,0,1"];
B.Detach();
A.SetRange(new ILRange(A.Dimensions,RangeSide.Left,"0,2,3;0,3;0,1"), C);
errorCode = 4;
results = new double[32] {101,25,102,103,46,26, 6,26,47
,27, 7,27,104,29,105,106,107,35,108,109,56,36,16,36,57,37,17
,37,110,39,111,112};
I = A.CreateIterator(ILIteratorPositions.ILStart, 0);
count = 0;
do {
if (((Double)I.Value).CompareTo(results[count++]) != 0)
throw new Exception("The values did not match!");
I.Increment();
} while (!I.IsAtStart());
// complain if dimensions do not match
errorCode = 5;
ILArray<object> D = new ILArray<object>(new object[4] { 1, 1, 1, 1 }, 1, 2, 2);
try {
A["0,1,0,0:2"] = D;
} catch (ILArgumentSizeException) {
Info("setrange: dimension mismatch signaled correctly");
}
errorCode = 4;
ILSettings.MinimumRefDimensions = oldRefDim;
Success();
} catch (Exception e) {
Error(errorCode, e.Message);
}
}
public void Test_DivideDouble() {
int errorCode = 0;
// success?
try {
ILPerformer p = new ILPerformer();
double[] data1 = new double[10] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
double[] data2 = new double[10] { 11, 12, -13, 14, 15, 16, -17, 18, 19, 110 };
double tmp = ((double)13.0) / ((double)3.0);
double[] results = new double[18] { 11.0000,(double)-13.0/(double)3.0,15.0/5.0,19.0/9.0,11
,3.0000,6.0000,3.5000,16.0/6.0,11.0000,6.0000,16.0/6.0,11.0000
,-13.0/3.0,3.0000,19.0/9.0,11.0000,3.0000};
ILArray<double> C = new ILArray<double>(data1, 2, 5);
ILArray<double> B = new ILArray<double>(data2, 2, 5);
ILArray<double> R = new ILArray<double>(results, 6, 3);
ILArray<double> BR = (ILArray<double>)B[1,"0:1,0;0,1,2,4,0,2"];
ILArray<double> CR = (ILArray<double>)C[1,"0:1,0;0,1,2,4,0,2"];
C = (ILArray<double>)CR.T.T;
B = (ILArray<double>)BR.T.T;
C.Detach();
B.Detach();
ILArray<double> A = B/C;
errorCode = 1;
if (!A.Equals(R))
throw new Exception("Values did not match!");
A = B/CR;
errorCode = 2;
if (!A.Equals(R))
throw new Exception("Values did not match!");
A = BR/CR;
errorCode = 3;
if (!A.Equals(R))
throw new Exception("Values did not match!");
A = BR/CR;
errorCode = 4;
if (!A.Equals(R))
throw new Exception("Values did not match!");
Success("Test_DivideDouble successful. (" + p.Toc() + "ms needed)");
}
catch (Exception e) {
Error("Test_DivideDouble failed at step: " + errorCode + " Msg: " + e.Message);
}
}
public void Test_MultiplyElementsDouble() {
int errorCode = 0;
// success?
try {
ILPerformer p = new ILPerformer();
double[] data1 = new double[10] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
double[] data2 = new double[10] { 11, 12, -13, 14, 15, 16, -17, 18, 19, 110 };
double[] results = new double[18] { 11, -39, 75, 171, 11, 75, 24, 56, 96, 1100
,24, 96, 11, -39, 75, 171, 11, 75 };
ILArray<double> C = new ILArray<double>(data1, 2, 5);
ILArray<double> B = new ILArray<double>(data2, 2, 5);
ILArray<double> R = new ILArray<double>(results, 6, 3);
ILArray<double> BR = (ILArray<double>)B[1,"0:1,0;0,1,2,4,0,2"];
ILArray<double> CR = (ILArray<double>)C[1,"0:1,0;0,1,2,4,0,2"];
C = (ILArray<double>)CR.T.T;
B = (ILArray<double>)BR.T.T;
C.Detach();
B.Detach();
ILArray<double> A = B*C;
errorCode = 1;
if (!A.Equals(R))
throw new Exception("Values did not match!");
A = B*CR;
errorCode = 2;
if (!A.Equals(R))
throw new Exception("Values did not match!");
A = BR*CR;
errorCode = 3;
if (!A.Equals(R))
throw new Exception("Values did not match!");
A = BR*CR;
errorCode = 4;
if (!A.Equals(R))
throw new Exception("Values did not match!");
Success("Test_MultiplyElementsDouble successful. (" + p.Toc() + "ms needed)");
}
catch (Exception e) {
Error("Test_MultiplyElementsDouble failed at step: " + errorCode + " Msg: " + e.Message);
}
}
public void Test_AddDouble() {
int errorCode = 0;
// success?
try {
ILPerformer p = new ILPerformer();
double[] data1 = new double[10] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
double[] data2 = new double[10] { 11, 12, -13, 14, 15, 16, -17, 18, 19, 110 };
double[] results = new double[18] { 12,-10,20,28,12,20,14,18,22,120,14,22,12,-10
,20,28,12,20};
ILArray<double> C = new ILArray<double>(data1, 2, 5);
ILArray<double> B = new ILArray<double>(data2, 2, 5);
ILArray<double> R = new ILArray<double>(results, 6, 3);
ILArray<double> BR = (ILArray<double>)B[1,"0:1,0;0,1,2,4,0,2"];
ILArray<double> CR = (ILArray<double>)C[1,"0:1,0;0,1,2,4,0,2"];
C = CR.R; // creates reference only
B = BR.R;
C.Detach();
B.Detach();
ILArray<double> A = B+C;
errorCode = 1;
if (!A.Equals(R))
throw new Exception("Values did not match!");
A = B+CR;
errorCode = 2;
if (!A.Equals(R))
throw new Exception("Values did not match!");
A = BR+CR;
errorCode = 3;
if (!A.Equals(R))
throw new Exception("Values did not match!");
A = BR+CR;
errorCode = 4;
if (!A.Equals(R))
throw new Exception("Values did not match!");
Success("Test_AddDouble successful. (" + p.Toc() + "ms needed)");
}
catch (Exception e) {
Error("Test_AddDouble failed at step: " + errorCode + " Msg: " + e.Message);
}
}
public void Test_MMult() {
int errorCode = 0;
try {
double[] data = new double[20];
for (int i = 0; i < data.Length; i++)
data[i] = i+1;
ILArray<double> origA = new ILArray<double>(data,5,4);
ILArray<double> A = new ILArray<double>(origA);
ILArray<double> B = new ILArray<double>(origA.T).Detach();
ILArray<double> Res = new ILArray<double>(new double[] {414,448,482,516,550,448,486,524,562,600,482,524,566,608,650,516,562,608,654,700,550,600,650,700,750} ,5,5);
// test phy * phy
if (!ILMath.Equals (ILMath.multiply(A,B),Res) )
throw new Exception ("Test MathBasic: MMult failed at A*B (phys * phys) due: invalid values");
B = new ILArray<double> (origA.T);
// test phy * ref
if (!ILMath.Equals (ILMath.multiply(A,B),Res) )
throw new Exception ("Test MathBasic: MMult failed at A*B (phys * ref) due: invalid values");
// test ref * ref
A = origA.T.Detach().T;
if (!ILMath.Equals (ILMath.multiply(A,B),Res) )
throw new Exception ("Test MathBasic: MMult failed at A*B (ref * phys) due: invalid values");
// test ref * phy
A = A.Detach();
B = B.Detach();
if (!ILMath.Equals (ILMath.multiply(A,B),Res) )
throw new Exception ("Test MathBasic: MMult failed at A*B (ref * ref) due: invalid values");
ILPerformer p = new ILPerformer();
data = new double[1000000];
A = ILMath.ones(1000,1000);
p.Tic();
B = ILMath.multiply (A,A.T);
p.Toc();
Info("MMult 1000x1000 procceeded in " + p.ToString() + "msec.");
Success("MMult finished successfully");
} catch (Exception e) {
Error("Test_MMult failed at errorCode: " + errorCode + " Reason: " + e.Message);
}
}
// DO NOT EDIT INSIDE THIS REGION !! CHANGES WILL BE LOST !!
public ILArray< float > FFTBackwSym1D(ILArray< fcomplex > A, int dim) {
if (A == null || dim < 0)
throw new ILArgumentException("invalid parameter!");
if (A.IsEmpty) return ILArray< float >.empty(A.Dimensions);
if (A.IsScalar || A.Dimensions[dim] == 1)
return ILMath.real(A);
// prepare output array, if we query the memory directly from
// memory pool, we prevent from clearing the elements since every
// single one will be overwritten by fft anyway
int error = 0,inDim = A.Dimensions[dim];
float [] retArr = ILMemoryPool.Pool.New< float >(A.Dimensions.NumberOfElements);
ILArray< float > ret = new ILArray< float >(retArr,A.Dimensions);
if (A.IsReference)
A.Detach();
string hash = hashPlan( MKLValues.SINGLE , MKLValues.REAL, 1, inDim);
IntPtr descriptor = IntPtr.Zero;
// try to reuse existing descriptor
lock (_lockobject) {
if (!m_descriptors.TryGetValue(hash, out descriptor)) {
error = MKLImports.DftiCreateDescriptor(ref descriptor, MKLValues.SINGLE , MKLValues.REAL, 1, inDim);
if (isMKLError(error)) {
throw new ILInvalidOperationException ("error creating descriptor: " + MKLImports.DftiErrorMessage(error));
}
m_descriptors[hash] = descriptor;
}
}
// spacing between elements
int tmp = A.Dimensions.SequentialIndexDistance(dim);
int[] stride = new int[]{0,tmp};
MKLImports.DftiSetValue(descriptor,MKLParameter.INPUT_STRIDES, __arglist(stride));
error = MKLImports.DftiSetValue(descriptor,MKLParameter.OUTPUT_STRIDES, __arglist(stride));
if (isMKLError(error)) {
throw new ILInvalidOperationException ("error: " + MKLImports.DftiErrorMessage(error));
}
// storage of subsequent transformations
tmp = inDim * tmp;
MKLImports.DftiSetValue(descriptor,MKLParameter.INPUT_DISTANCE, __arglist(tmp));
MKLImports.DftiSetValue(descriptor,MKLParameter.OUTPUT_DISTANCE, __arglist(tmp));
// how many transformations ?
tmp = A.Dimensions.NumberOfElements / tmp;
MKLImports.DftiSetValue(descriptor,MKLParameter.NUMBER_OF_TRANSFORMS, __arglist(tmp));
error = MKLImports.DftiSetValue(descriptor,MKLParameter.PLACEMENT,__arglist(MKLValues.NOT_INPLACE));
error = MKLImports.DftiSetValue(descriptor,MKLParameter.REAL_STORAGE, __arglist(MKLValues.REAL_REAL));
error = MKLImports.DftiSetValue(descriptor,MKLParameter.CONJUGATE_EVEN_STORAGE, __arglist(MKLValues.COMPLEX_COMPLEX));
error = MKLImports.DftiSetValue(descriptor,MKLParameter.BACKWARD_SCALE, __arglist(1.0 / inDim));
error = MKLImports.DftiCommitDescriptor(descriptor);
if (isMKLError(error)) {
throw new ILInvalidOperationException ("error: " + MKLImports.DftiErrorMessage(error));
}
// do the transform(s)
tmp = A.Dimensions.SequentialIndexDistance(dim);
unsafe {
fixed ( float * retArrP = ret.m_data)
fixed ( fcomplex * pA = A.m_data) {
for (int i = 0; i < tmp && error == 0; i++)
error = MKLImports.DftiComputeBackward(descriptor, __arglist(pA + i,retArrP + i));
}
}
if (isMKLError(error)) {
throw new ILInvalidOperationException ("error: " + MKLImports.DftiErrorMessage(error));
}
return ret;
}
public void Test_EnumeratorPerf(ILArray<double> A) {
int errorCode = 1;
try {
ILPerformer p = new ILPerformer();
Info("Enumerator test A => " + A.Dimensions);
p.Tic();
foreach (ILArray<double> a in A) { }
p.Toc();
Info(" foreach (ILArray<double> a in A){ ... => " + p.ToString() + " ms");
errorCode = 2;
p.Tic();
foreach (double a in A) { }
p.Toc();
Info(" foreach (double a in A){ } => " + p.ToString() + " ms");
errorCode = 3;
p.Tic();
foreach (double a in A.Values) { }
p.Toc();
Info(" foreach (double a in A.Values){ } [solid] => " + p.ToString() + " ms");
A = A.R;
p.Tic();
foreach (double a in A.Values) { }
p.Toc();
Info(" foreach (double a in A.Values){ } [Ref] => " + p.ToString() + " ms");
int l = A.Dimensions.NumberOfElements;
double b;
p.Tic();
for (int i = 0; i < l; i++) { b = A.GetValue(i); }
p.Toc();
Info(" for (int i = 0; i < l; i++) { a = A.GetValue(i); } => " + p.ToString() + " ms");
if (A.IsReference)
A.Detach();
p.Tic();
for (int i = 0; i < l; i++) { b = A.m_data[i]; }
p.Toc();
Info(" for (int i = 0; i < l; i++) { a = A.m_data[i]; } => " + p.ToString() + " ms");
Success();
} catch (Exception e) {
Error(errorCode,e.Message);
}
}