bool TestANN_SingleClassificationPSO(){
// File Object to save data
FileObject file;
// define random number generator instance
RandomNumberGenerator rng;
// define number of data values
const int N = 100;
// set training data
std::vector<double> x(N*N), y(N*N), z(N*N);
for(int i = 0; i < N; i++){
for( int j = 0; j < N; j++ ){
int k = i+N*j;
x[k] = i/static_cast<double>(N);
y[k] = j/static_cast<double>(N);
z[k] = binaryField(x[k],y[k]);
}
}
// set the layers
std::vector<int> layers { 2, 3, 3, 1 };
// create classifier
NeuralNet classifier( layers );
classifier.setActivationFunc(1, NeuralPrototypes::prototypes.getFunction(NeuralPrototypes::Poly) );
classifier.setActivationFunc(layers.size()-1, NeuralPrototypes::prototypes.getFunction(NeuralPrototypes::Sigmoid) );
la::Mat<double> guess(classifier.numWeights(),1,0);
la::Mat<double> lb(classifier.numWeights(),1,0), ub(classifier.numWeights(),1,0);
// Try to classify given inputs
for( int i = 0; i < classifier.numWeights(); i++ ){
lb[i] = -3; ub[i] = 3;
}
PSO gd;
gd.setMaxIter(100);
gd.setdims(lb, ub);
gd.setLocalStep(0.1);
gd.setGlobalStep(0.01);
gd.setNumParticles(5);
gd.func.net = &classifier;
gd.func.x = &x;
gd.func.y = &y;
gd.func.z = &z;
gd.func.init();
gd.showStatus();
gd.solve();
la::Mat<double> in(2,1,0), out(2,1,0);
gd.soln().print();
for( int i = 0; i < classifier.numWeights(); i++ ){
classifier.weightAt(i) = gd.soln()[i];
}
// save truth data
file.openFile("/Users/christianjhoward/truth.csv", FileObject::Write);
if( file.isOpen() ){
for( int i = 0; i < x.size(); i++ ){
fprintf(file.ref(), "%0.6lf, %0.6lf, %0.6lf\n",x[i],y[i],z[i]);
}
}
// save results
file.openFile("/Users/christianjhoward/approx.csv", FileObject::Write);
if( file.isOpen() ){
for( int i = 0; i < x.size(); i++ ){
in[0] = x[i];
in[1] = y[i];
classifier(in,out);
fprintf(file.ref(), "%0.6lf, %0.6lf, %0.6lf\n",x[i],y[i],out[0]);
}
}
return true;
}
void TestQgsField::displayString()
{
QgsField stringField( QStringLiteral( "string" ), QVariant::String, QStringLiteral( "string" ) );
//test string value
QString test( QStringLiteral( "test string" ) );
QCOMPARE( stringField.displayString( test ), test );
//test NULL
QgsApplication::setNullRepresentation( QStringLiteral( "TEST NULL" ) );
QVariant nullString = QVariant( QVariant::String );
QCOMPARE( stringField.displayString( nullString ), QString( "TEST NULL" ) );
//test int value in string type
QgsField intField( QStringLiteral( "int" ), QVariant::String, QStringLiteral( "int" ) );
QCOMPARE( intField.displayString( 5 ), QString( "5" ) );
QCOMPARE( intField.displayString( 599999898999LL ), QString( "599999898999" ) );
//test int value in int type
QgsField intField2( QStringLiteral( "int" ), QVariant::Int, QStringLiteral( "int" ) );
QCOMPARE( intField2.displayString( 5 ), QString( "5" ) );
QCOMPARE( intField2.displayString( 599999898999LL ), QString( "599,999,898,999" ) );
//test long type
QgsField longField( QStringLiteral( "long" ), QVariant::LongLong, QStringLiteral( "longlong" ) );
QCOMPARE( longField.displayString( 5 ), QString( "5" ) );
QCOMPARE( longField.displayString( 599999898999LL ), QString( "599,999,898,999" ) );
//test NULL int
QVariant nullInt = QVariant( QVariant::Int );
QCOMPARE( intField.displayString( nullInt ), QString( "TEST NULL" ) );
//test double value
QgsField doubleField( QStringLiteral( "double" ), QVariant::Double, QStringLiteral( "double" ), 10, 3 );
QCOMPARE( doubleField.displayString( 5.005005 ), QString( "5.005" ) );
QgsField doubleFieldNoPrec( QStringLiteral( "double" ), QVariant::Double, QStringLiteral( "double" ), 10 );
QCOMPARE( doubleFieldNoPrec.displayString( 5.005005 ), QString( "5.005005" ) );
QCOMPARE( doubleFieldNoPrec.displayString( 5.005005005 ), QString( "5.005005005" ) );
QCOMPARE( QLocale().numberOptions() & QLocale::NumberOption::OmitGroupSeparator, QLocale::NumberOption::DefaultNumberOptions );
QCOMPARE( doubleFieldNoPrec.displayString( 599999898999.0 ), QString( "599,999,898,999" ) );
//test NULL double
QVariant nullDouble = QVariant( QVariant::Double );
QCOMPARE( doubleField.displayString( nullDouble ), QString( "TEST NULL" ) );
//test double value with German locale
QLocale::setDefault( QLocale::German );
QCOMPARE( doubleField.displayString( 5.005005 ), QString( "5,005" ) );
QCOMPARE( doubleFieldNoPrec.displayString( 5.005005 ), QString( "5,005005" ) );
QCOMPARE( doubleFieldNoPrec.displayString( 5.005005005 ), QString( "5,005005005" ) );
QCOMPARE( doubleFieldNoPrec.displayString( 599999898999.0 ), QString( "599.999.898.999" ) );
QCOMPARE( doubleFieldNoPrec.displayString( 5999.123456 ), QString( "5.999,123456" ) );
//test value with custom German locale (OmitGroupSeparator)
QLocale customGerman( QLocale::German );
customGerman.setNumberOptions( QLocale::NumberOption::OmitGroupSeparator );
QLocale::setDefault( customGerman );
QCOMPARE( doubleField.displayString( 5.005005 ), QString( "5,005" ) );
QCOMPARE( doubleFieldNoPrec.displayString( 5.005005 ), QString( "5,005005" ) );
QCOMPARE( doubleFieldNoPrec.displayString( 5.005005005 ), QString( "5,005005005" ) );
QCOMPARE( doubleFieldNoPrec.displayString( 599999898999.0 ), QString( "599999898999" ) );
QCOMPARE( doubleFieldNoPrec.displayString( 5999.123456 ), QString( "5999,123456" ) );
//test int value in int type with custom German locale (OmitGroupSeparator)
QCOMPARE( intField2.displayString( 5 ), QString( "5" ) );
QCOMPARE( intField2.displayString( 599999898999LL ), QString( "599999898999" ) );
//test long type with custom German locale (OmitGroupSeparator)
QCOMPARE( longField.displayString( 5 ), QString( "5" ) );
QCOMPARE( longField.displayString( 599999898999LL ), QString( "599999898999" ) );
//test value with custom english locale (OmitGroupSeparator)
QLocale customEnglish( QLocale::English );
customEnglish.setNumberOptions( QLocale::NumberOption::OmitGroupSeparator );
QLocale::setDefault( customEnglish );
QCOMPARE( doubleField.displayString( 5.005005 ), QString( "5.005" ) );
QCOMPARE( doubleFieldNoPrec.displayString( 5.005005 ), QString( "5.005005" ) );
QCOMPARE( doubleFieldNoPrec.displayString( 5.005005005 ), QString( "5.005005005" ) );
QCOMPARE( doubleFieldNoPrec.displayString( 599999898999.0 ), QString( "599999898999" ) );
QCOMPARE( doubleFieldNoPrec.displayString( 5999.123456 ), QString( "5999.123456" ) );
//test int value in int type with custom english locale (OmitGroupSeparator)
QCOMPARE( intField2.displayString( 5 ), QString( "5" ) );
QCOMPARE( intField2.displayString( 599999898999LL ), QString( "599999898999" ) );
//test long type with custom english locale (OmitGroupSeparator)
QCOMPARE( longField.displayString( 5 ), QString( "5" ) );
QCOMPARE( longField.displayString( 599999898999LL ), QString( "599999898999" ) );
// binary field
QgsField binaryField( QStringLiteral( "binary" ), QVariant::ByteArray, QStringLiteral( "Binary" ) );
QString testBAString( QStringLiteral( "test string" ) );
QByteArray testBA( testBAString.toLocal8Bit() );
QCOMPARE( binaryField.displayString( testBA ), QStringLiteral( "BLOB" ) );
}
