public void testMinMax() {
TestUtils.assertEquals(Math.min(2, -78), FunctionUtils.min(2, -78));
TestUtils.assertEquals(Math.max(2, -78), FunctionUtils.max(2, -78));
TestUtils.assertEquals(67, FunctionUtils.max(new int[] {67}));
TestUtils.assertEquals(67, FunctionUtils.min(new int[] {67}));
TestUtils.assertEquals(FunctionUtils.max(67, -76), FunctionUtils.max(new int[] {67, -76}));
TestUtils.assertEquals(FunctionUtils.min(67, -76), FunctionUtils.min(new int[] {67, -76}));
TestUtils.assertEquals(
FunctionUtils.max(0, 67, -76), FunctionUtils.max(new int[] {0, 67, -76}));
TestUtils.assertEquals(
FunctionUtils.min(0, 67, -76), FunctionUtils.min(new int[] {0, 67, -76}));
TestUtils.assertEquals(
FunctionUtils.max(0, 67, -76, 80), FunctionUtils.max(new int[] {0, 67, -76, 80}));
TestUtils.assertEquals(
FunctionUtils.min(0, 67, -76, -80), FunctionUtils.min(new int[] {0, 67, -76, -80}));
TestUtils.assertEquals(
FunctionUtils.max(80, 0, 67, -76), FunctionUtils.max(new int[] {80, 0, 67, -76}));
TestUtils.assertEquals(
FunctionUtils.min(-80, 0, 67, -76), FunctionUtils.min(new int[] {-80, 0, 67, -76}));
TestUtils.assertEquals(80, FunctionUtils.max(new int[] {0, 67, -76, 80}));
TestUtils.assertEquals(-80, FunctionUtils.min(new int[] {0, 67, -76, -80}));
TestUtils.assertEquals(80, FunctionUtils.max(new int[] {80, 0, 67, -76}));
TestUtils.assertEquals(-80, FunctionUtils.min(new int[] {-80, 0, 67, -76}));
}
private QuadraticSolver buildIterationSolver(final boolean addSmallDiagonal) {
MatrixStore<Double> tmpQ = this.getQ();
final MatrixStore<Double> tmpC = this.getC();
if (addSmallDiagonal) {
final PhysicalStore<Double> tmpCopyQ = tmpQ.copy();
final double tmpLargest = tmpCopyQ.aggregateAll(Aggregator.LARGEST);
final double tmpRelativelySmall = MACHINE_DOUBLE_ERROR * tmpLargest;
final double tmpPracticalLimit = MACHINE_DOUBLE_ERROR + IS_ZERO;
final double tmpSmallToAdd = Math.max(tmpRelativelySmall, tmpPracticalLimit);
final UnaryFunction<Double> tmpFunc = ADD.second(tmpSmallToAdd);
tmpCopyQ.modifyDiagonal(0, 0, tmpFunc);
tmpQ = tmpCopyQ;
}
if (this.hasEqualityConstraints()) {
final MatrixStore<Double> tmpAE = this.getAE();
final MatrixStore<Double> tmpBE = this.getBE();
final int tmpZeroSize = tmpAE.getRowDim();
final MatrixStore<Double> tmpUpperLeftAE = tmpQ;
final MatrixStore<Double> tmpUpperRightAE = tmpAE.builder().transpose().build();
final MatrixStore<Double> tmpLowerLefAE = tmpAE;
final MatrixStore<Double> tmpLowerRightAE = ZeroStore.makePrimitive(tmpZeroSize, tmpZeroSize);
final MatrixStore<Double> tmpSubAE =
new AboveBelowStore<Double>(
new LeftRightStore<Double>(tmpUpperLeftAE, tmpUpperRightAE),
new LeftRightStore<Double>(tmpLowerLefAE, tmpLowerRightAE));
final MatrixStore<Double> tmpUpperBE = tmpC;
final MatrixStore<Double> tmpLowerBE = tmpBE;
final MatrixStore<Double> tmpSubBE = new AboveBelowStore<Double>(tmpUpperBE, tmpLowerBE);
return new Builder().equalities(tmpSubAE, tmpSubBE).build(options);
} else {
return new Builder().equalities(tmpQ, tmpC).build(options);
}
}