Examples with PrimitiveDenseStore org.ojalgo.matrix.store.PrimitiveDenseStore used on opensource projects

Example 56 with PrimitiveDenseStore

use of org.ojalgo.matrix.store.PrimitiveDenseStore in project ojAlgo by optimatika.

the class UCLAee236aCase method testRelaxedButConstrainedToOptimalMIP.

@Test
public void testRelaxedButConstrainedToOptimalMIP() {
    final ExpressionsBasedModel tmpModel = UCLAee236aCase.makeOriginalRootModel().relax(true);
    tmpModel.getVariable(0).lower(TWO);
    tmpModel.getVariable(0).upper(TWO);
    tmpModel.getVariable(1).lower(TWO);
    tmpModel.getVariable(1).upper(TWO);
    final Optimisation.Result tmpResult = tmpModel.minimise();
    // TestUtils.assertEquals(State.OPTIMAL, tmpResult.getState());
    TestUtils.assertStateNotLessThanOptimal(tmpResult);
    final PrimitiveDenseStore tmpExpX = PrimitiveDenseStore.FACTORY.rows(new double[][] { { 2.0 }, { 2.0 } });
    TestUtils.assertEquals(tmpExpX, tmpResult, PRECISION);
}

Example 57 with PrimitiveDenseStore

use of org.ojalgo.matrix.store.PrimitiveDenseStore in project ojAlgo by optimatika.

the class UCLAee236aCase method testRelaxedNodeP05.

/**
 * P5
 */
@Test
public void testRelaxedNodeP05() {
    final ExpressionsBasedModel tmpModel = UCLAee236aCase.makeOriginalRootModel().relax(true);
    tmpModel.getVariable(0).lower(THREE);
    tmpModel.getVariable(1).upper(ONE);
    final Optimisation.Result tmpResult = tmpModel.minimise();
    TestUtils.assertEquals(State.OPTIMAL, tmpResult.getState());
    final PrimitiveDenseStore tmpExpX = PrimitiveDenseStore.FACTORY.rows(new double[][] { { 3.38 }, { 1.00 } });
    TestUtils.assertEquals(tmpExpX, tmpResult, PRECISION);
    TestUtils.assertEquals(-9.75, tmpModel.minimise().getValue(), PRECISION);
}

Example 58 with PrimitiveDenseStore

use of org.ojalgo.matrix.store.PrimitiveDenseStore in project ojAlgo by optimatika.

the class UCLAee236aCase method testRelaxedNodeP08.

/**
 * P8
 */
@Test
public void testRelaxedNodeP08() {
    final ExpressionsBasedModel tmpModel = UCLAee236aCase.makeOriginalRootModel().relax(true);
    tmpModel.getVariable(0).lower(THREE);
    tmpModel.getVariable(1).upper(ONE);
    tmpModel.getVariable(0).lower(FOUR);
    final Optimisation.Result tmpResult = tmpModel.minimise();
    TestUtils.assertEquals(State.OPTIMAL, tmpResult.getState());
    final PrimitiveDenseStore tmpExpX = PrimitiveDenseStore.FACTORY.rows(new double[][] { { 4.00 }, { 0.44 } });
    TestUtils.assertEquals(tmpExpX, tmpResult, PRECISION);
    TestUtils.assertEquals(-9.33, tmpModel.minimise().getValue(), PRECISION);
}

Example 59 with PrimitiveDenseStore

use of org.ojalgo.matrix.store.PrimitiveDenseStore in project ojAlgo by optimatika.

the class UCLAee236aCase method testRelaxedNodeP03.

/**
 * P3
 */
@Test
public void testRelaxedNodeP03() {
    final ExpressionsBasedModel tmpModel = UCLAee236aCase.makeOriginalRootModel().relax(true);
    tmpModel.getVariable(0).upper(TWO);
    tmpModel.getVariable(1).upper(TWO);
    final Optimisation.Result tmpResult = tmpModel.minimise();
    TestUtils.assertEquals(State.OPTIMAL, tmpResult.getState());
    final PrimitiveDenseStore tmpExpX = PrimitiveDenseStore.FACTORY.rows(new double[][] { { 2.00 }, { 2.00 } });
    TestUtils.assertEquals(tmpExpX, tmpResult, PRECISION);
    TestUtils.assertEquals(-10.00, tmpModel.minimise().getValue(), PRECISION);
}

Example 60 with PrimitiveDenseStore

use of org.ojalgo.matrix.store.PrimitiveDenseStore in project ojAlgo by optimatika.

the class UCLAee236aCase method testRelaxedNodeP00.

/**
 * P0
 */
@Test
public void testRelaxedNodeP00() {
    final ExpressionsBasedModel tmpModel = UCLAee236aCase.makeOriginalRootModel().relax(true);
    final Optimisation.Result tmpResult = tmpModel.minimise();
    TestUtils.assertEquals(State.OPTIMAL, tmpResult.getState());
    final PrimitiveDenseStore tmpExpX = PrimitiveDenseStore.FACTORY.rows(new double[][] { { 2.17 }, { 2.07 } });
    TestUtils.assertEquals(tmpExpX, tmpResult, PRECISION);
    // The lecture notes states -10.56, but I get -10.55. One of us is rounding incorrectly...
    TestUtils.assertEquals(-10.55, tmpModel.minimise().getValue(), PRECISION);
}