Package ai.domain.interval

Examples of ai.domain.interval.IntervalExpressionSemantics

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public class ExpressionSemanticsTest {
  Interval TOP = new Interval(Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY);

  @Test
  public void testUnaryMinus() {
    IntervalExpressionSemantics sem = new IntervalExpressionSemantics();
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.minus(Interval.BOTTOM));

    org.junit.Assert.assertEquals(new Interval(Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY),
        sem.minus(new Interval(Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY)));

    org.junit.Assert.assertEquals(new Interval(Double.NEGATIVE_INFINITY, 0),
        sem.minus(new Interval(0, Double.POSITIVE_INFINITY)));
    org.junit.Assert.assertEquals(new Interval(Double.NEGATIVE_INFINITY, -5),
        sem.minus(new Interval(5, Double.POSITIVE_INFINITY)));
    org.junit.Assert.assertEquals(new Interval(Double.NEGATIVE_INFINITY, 3),
        sem.minus(new Interval(-3, Double.POSITIVE_INFINITY)));

    org.junit.Assert.assertEquals(new Interval(0, Double.POSITIVE_INFINITY),
        sem.minus(new Interval(Double.NEGATIVE_INFINITY, 0)));
    org.junit.Assert.assertEquals(new Interval(-5, Double.POSITIVE_INFINITY),
        sem.minus(new Interval(Double.NEGATIVE_INFINITY, 5)));
    org.junit.Assert.assertEquals(new Interval(3, Double.POSITIVE_INFINITY),
        sem.minus(new Interval(Double.NEGATIVE_INFINITY, -3)));

    org.junit.Assert.assertEquals(new Interval(0, 0), sem.minus(new Interval(0, 0)));
    org.junit.Assert.assertEquals(new Interval(-2, 0), sem.minus(new Interval(0, 2)));
    org.junit.Assert.assertEquals(new Interval(0, 2), sem.minus(new Interval(-2, 0)));
    org.junit.Assert.assertEquals(new Interval(1, 2), sem.minus(new Interval(-2, -1)));
    org.junit.Assert.assertEquals(new Interval(-2, -1), sem.minus(new Interval(1, 2)));
    org.junit.Assert.assertEquals(new Interval(-5, 3), sem.minus(new Interval(-3, 5)));
  }
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    org.junit.Assert.assertEquals(new Interval(-5, 3), sem.minus(new Interval(-3, 5)));
  }

  @Test
  public void testPlus(){
    IntervalExpressionSemantics sem = new IntervalExpressionSemantics();
    //bottom
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.plus(Interval.BOTTOM, Interval.BOTTOM));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.plus(Interval.BOTTOM, new Interval(-1,2)));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.plus(Interval.BOTTOM, new Interval(1, Double.POSITIVE_INFINITY)));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.plus(Interval.BOTTOM, new Interval(Double.NEGATIVE_INFINITY, 1)));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.plus(Interval.BOTTOM, new Interval(Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY)));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.plus(new Interval(-1,2), Interval.BOTTOM));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.plus(new Interval(1, Double.POSITIVE_INFINITY), Interval.BOTTOM));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.plus(new Interval(Double.NEGATIVE_INFINITY, 1), Interval.BOTTOM));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.plus(new Interval(Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY), Interval.BOTTOM));
   
    org.junit.Assert.assertEquals(TOP, sem.plus(TOP, TOP));
    org.junit.Assert.assertEquals(TOP, sem.plus(TOP, new Interval(1,2)));
    org.junit.Assert.assertEquals(TOP, sem.plus(TOP, new Interval(1,Double.POSITIVE_INFINITY)));
    org.junit.Assert.assertEquals(TOP, sem.plus(TOP, new Interval(Double.NEGATIVE_INFINITY, 3)));
    org.junit.Assert.assertEquals(TOP, sem.plus(new Interval(Double.NEGATIVE_INFINITY, -1), new Interval(1,Double.POSITIVE_INFINITY)));
    org.junit.Assert.assertEquals(TOP, sem.plus(new Interval(Double.NEGATIVE_INFINITY, 1), new Interval(-1,Double.POSITIVE_INFINITY)));

    org.junit.Assert.assertEquals(new Interval(Double.NEGATIVE_INFINITY, 4), sem.plus(new Interval(Double.NEGATIVE_INFINITY, -1), new Interval(3,5)));
    org.junit.Assert.assertEquals(new Interval(Double.NEGATIVE_INFINITY, 4), sem.plus(new Interval(3,5), new Interval(Double.NEGATIVE_INFINITY, -1)));
    org.junit.Assert.assertEquals(new Interval(-97, Double.POSITIVE_INFINITY), sem.plus(new Interval(3,Double.POSITIVE_INFINITY), new Interval(-100, -1)));
    org.junit.Assert.assertEquals(new Interval(-97, Double.POSITIVE_INFINITY), sem.plus(new Interval(-100, -1), new Interval(3,Double.POSITIVE_INFINITY)));

    org.junit.Assert.assertEquals(new Interval(-97, 4), sem.plus(new Interval(-100, -1), new Interval(3,5)));
    org.junit.Assert.assertEquals(new Interval(-97, 4), sem.plus(new Interval(3,5), new Interval(-100, -1)));
  }
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    org.junit.Assert.assertEquals(new Interval(-97, 4), sem.plus(new Interval(3,5), new Interval(-100, -1)));
  }

  @Test
  public void testMinus(){
    IntervalExpressionSemantics sem = new IntervalExpressionSemantics();
    //bottom
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.minus(Interval.BOTTOM, Interval.BOTTOM));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.minus(Interval.BOTTOM, new Interval(-1,2)));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.minus(Interval.BOTTOM, new Interval(1, Double.POSITIVE_INFINITY)));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.minus(Interval.BOTTOM, new Interval(Double.NEGATIVE_INFINITY, 1)));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.minus(Interval.BOTTOM, new Interval(Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY)));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.minus(new Interval(-1,2), Interval.BOTTOM));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.minus(new Interval(1, Double.POSITIVE_INFINITY), Interval.BOTTOM));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.minus(new Interval(Double.NEGATIVE_INFINITY, 1), Interval.BOTTOM));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.minus(new Interval(Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY), Interval.BOTTOM));
   
    Interval top = new Interval(Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY);
   
    org.junit.Assert.assertEquals(top, sem.minus(top, top));
    org.junit.Assert.assertEquals(top, sem.minus(top, new Interval(1,2)));
    org.junit.Assert.assertEquals(top, sem.minus(top, new Interval(1,Double.POSITIVE_INFINITY)));
    org.junit.Assert.assertEquals(top, sem.minus(top, new Interval(Double.NEGATIVE_INFINITY, 3)));
    org.junit.Assert.assertEquals(new Interval(Double.NEGATIVE_INFINITY, -2), sem.minus(new Interval(Double.NEGATIVE_INFINITY, -1), new Interval(1,Double.POSITIVE_INFINITY)));
    org.junit.Assert.assertEquals(new Interval(Double.NEGATIVE_INFINITY, 2), sem.minus(new Interval(Double.NEGATIVE_INFINITY, 1), new Interval(-1,Double.POSITIVE_INFINITY)));

    org.junit.Assert.assertEquals(new Interval(Double.NEGATIVE_INFINITY, -4), sem.minus(new Interval(Double.NEGATIVE_INFINITY, -1), new Interval(3,5)));
    org.junit.Assert.assertEquals(new Interval(4, Double.POSITIVE_INFINITY), sem.minus(new Interval(3,5), new Interval(Double.NEGATIVE_INFINITY, -1)));
    org.junit.Assert.assertEquals(new Interval(4, Double.POSITIVE_INFINITY), sem.minus(new Interval(3,Double.POSITIVE_INFINITY), new Interval(-100, -1)));
    org.junit.Assert.assertEquals(new Interval(Double.NEGATIVE_INFINITY,-4), sem.minus(new Interval(-100, -1), new Interval(3,Double.POSITIVE_INFINITY)));

    org.junit.Assert.assertEquals(new Interval(-105, -4), sem.minus(new Interval(-100, -1), new Interval(3,5)));
    org.junit.Assert.assertEquals(new Interval(4, 105), sem.minus(new Interval(3,5), new Interval(-100, -1)));
  }
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    org.junit.Assert.assertEquals(new Interval(4, 105), sem.minus(new Interval(3,5), new Interval(-100, -1)));
  }

  @Test
  public void testMultiply(){
    IntervalExpressionSemantics sem = new IntervalExpressionSemantics();
    //bottom
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.times(Interval.BOTTOM, Interval.BOTTOM));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.times(Interval.BOTTOM, new Interval(-1,2)));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.times(Interval.BOTTOM, new Interval(1, Double.POSITIVE_INFINITY)));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.times(Interval.BOTTOM, new Interval(Double.NEGATIVE_INFINITY, 1)));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.times(Interval.BOTTOM, new Interval(Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY)));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.times(new Interval(-1,2), Interval.BOTTOM));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.times(new Interval(1, Double.POSITIVE_INFINITY), Interval.BOTTOM));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.times(new Interval(Double.NEGATIVE_INFINITY, 1), Interval.BOTTOM));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.times(TOP, Interval.BOTTOM));
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.times(Interval.BOTTOM, TOP));
   
    org.junit.Assert.assertEquals(TOP, sem.times(TOP, TOP));
    org.junit.Assert.assertEquals(TOP, sem.times(TOP, new Interval(1,2)));
    org.junit.Assert.assertEquals(TOP, sem.times(TOP, new Interval(1,Double.POSITIVE_INFINITY)));
    org.junit.Assert.assertEquals(TOP, sem.times(TOP, new Interval(Double.NEGATIVE_INFINITY, 3)));
    org.junit.Assert.assertEquals(TOP, sem.times(new Interval(3, Double.POSITIVE_INFINITY), new Interval(Double.NEGATIVE_INFINITY, 3)));
    org.junit.Assert.assertEquals(TOP, sem.times(new Interval(-3, Double.POSITIVE_INFINITY), new Interval(Double.NEGATIVE_INFINITY, -3)));
    org.junit.Assert.assertEquals(new Interval(Double.NEGATIVE_INFINITY, -9), sem.times(new Interval(3, Double.POSITIVE_INFINITY), new Interval(Double.NEGATIVE_INFINITY, -3)));
    org.junit.Assert.assertEquals(new Interval(0,0), sem.times(TOP, new Interval(0,0)));
    org.junit.Assert.assertEquals(new Interval(0,0), sem.times(new Interval(0,0), TOP));
    org.junit.Assert.assertEquals(TOP, sem.times(TOP, new Interval(0,1)));
    org.junit.Assert.assertEquals(TOP, sem.times(TOP, new Interval(-1,0)));

    org.junit.Assert.assertEquals(new Interval(0, Double.POSITIVE_INFINITY), sem.times(new Interval(0, Double.POSITIVE_INFINITY), new Interval(0,1)));
    org.junit.Assert.assertEquals(new Interval(0, Double.POSITIVE_INFINITY), sem.times(new Interval(0,1), new Interval(0, Double.POSITIVE_INFINITY)));
    org.junit.Assert.assertEquals(new Interval(-5, Double.POSITIVE_INFINITY), sem.times(new Interval(0,1), new Interval(-5, Double.POSITIVE_INFINITY)));
    org.junit.Assert.assertEquals(new Interval(-35, Double.POSITIVE_INFINITY), sem.times(new Interval(0,7), new Interval(-5, Double.POSITIVE_INFINITY)));
    org.junit.Assert.assertEquals(TOP, sem.times(new Interval(-1,7), new Interval(-5, Double.POSITIVE_INFINITY)));

    org.junit.Assert.assertEquals(new Interval(Double.NEGATIVE_INFINITY, 0), sem.times(new Interval(Double.NEGATIVE_INFINITY, 0), new Interval(0,1)));
    org.junit.Assert.assertEquals(new Interval(Double.NEGATIVE_INFINITY, 0), sem.times(new Interval(0,1), new Interval(Double.NEGATIVE_INFINITY, 0)));
    org.junit.Assert.assertEquals(new Interval(Double.NEGATIVE_INFINITY, 5), sem.times(new Interval(0,1), new Interval(Double.NEGATIVE_INFINITY, 5)));
    org.junit.Assert.assertEquals(new Interval(Double.NEGATIVE_INFINITY, 35), sem.times(new Interval(0,7), new Interval(Double.NEGATIVE_INFINITY, 5)));
    org.junit.Assert.assertEquals(TOP, sem.times(new Interval(-1,7), new Interval(Double.NEGATIVE_INFINITY, 5)));

    org.junit.Assert.assertEquals(new Interval(-500, -3), sem.times(new Interval(-100, -1), new Interval(3,5)));
    org.junit.Assert.assertEquals(new Interval(-500, -3), sem.times(new Interval(3,5), new Interval(-100, -1)));
    org.junit.Assert.assertEquals(new Interval(-500, 5), sem.times(new Interval(3,5), new Interval(-100, 1)));
    org.junit.Assert.assertEquals(new Interval(-500, 5), sem.times(new Interval(-100, 1), new Interval(3,5)));
  }
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    org.junit.Assert.assertEquals(new Interval(-500, 5), sem.times(new Interval(-100, 1), new Interval(3,5)));
  }

  @Test
  public void testDivide(){
    IntervalExpressionSemantics sem = new IntervalExpressionSemantics();
    //bottom
    for(Interval val: Arrays.asList(Interval.BOTTOM, new Interval(1,2), new Interval(1,Double.POSITIVE_INFINITY),
        new Interval(Double.NEGATIVE_INFINITY, 3), TOP)){
      org.junit.Assert.assertEquals(Interval.BOTTOM, sem.divide(val, Interval.BOTTOM));
      org.junit.Assert.assertEquals(Interval.BOTTOM, sem.divide(Interval.BOTTOM, val));
    }
    //others
    org.junit.Assert.assertEquals(Interval.BOTTOM, sem.divide(new Interval(1,1), new Interval(0,0)));
    org.junit.Assert.assertEquals(new Interval(1, Double.POSITIVE_INFINITY), sem.divide(new Interval(1,1), new Interval(0,1)));
    org.junit.Assert.assertEquals(new Interval(Double.NEGATIVE_INFINITY, -1), sem.divide(new Interval(1,1), new Interval(-1, 0)));
    org.junit.Assert.assertEquals(new Interval(0, 0), sem.divide(new Interval(1,1), new Interval(4, 100)));
    org.junit.Assert.assertEquals(new Interval(0, 0), sem.divide(new Interval(1,1), new Interval(-100, -4)));
    org.junit.Assert.assertEquals(Interval.TOP, sem.divide(new Interval(1,1), new Interval(-100, 100)));
    org.junit.Assert.assertEquals(new Interval(0, Double.POSITIVE_INFINITY), sem.divide(new Interval(4,Double.POSITIVE_INFINITY), new Interval(2,6)));
    org.junit.Assert.assertEquals(new Interval(1, Double.POSITIVE_INFINITY), sem.divide(new Interval(4,Double.POSITIVE_INFINITY), new Interval(2,4)));
    org.junit.Assert.assertEquals(new Interval(2, Double.POSITIVE_INFINITY), sem.divide(new Interval(4,Double.POSITIVE_INFINITY), new Interval(2,2)));
    org.junit.Assert.assertEquals(new Interval(1, 10), sem.divide(new Interval(9,21), new Interval(2,5)));
    org.junit.Assert.assertEquals(new Interval(-10, -1), sem.divide(new Interval(9,21), new Interval(-5,-2)));
  }
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Related Classes of ai.domain.interval.IntervalExpressionSemantics

  • ai.domain.interval.test.ExpressionSemanticsTest
  • ai.domain.DomainException
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