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1   package org.djunits.value.vfloat.matrix.base;
2   
3   import org.djunits.unit.AbsoluteLinearUnit;
4   import org.djunits.unit.Unit;
5   import org.djunits.value.Absolute;
6   import org.djunits.value.ValueRuntimeException;
7   import org.djunits.value.vfloat.function.FloatMathFunctions;
8   import org.djunits.value.vfloat.matrix.data.FloatMatrixData;
9   import org.djunits.value.vfloat.scalar.base.FloatScalarAbs;
10  import org.djunits.value.vfloat.scalar.base.FloatScalarRelWithAbs;
11  import org.djunits.value.vfloat.vector.base.FloatVectorAbs;
12  import org.djunits.value.vfloat.vector.base.FloatVectorRelWithAbs;
13  import org.djunits.value.vfloat.vector.data.FloatVectorData;
14  
15  /**
16   * AbstractMutableFloatMatrixRelWithAbs.java.
17   * <p>
18   * Copyright (c) 2019-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
19   * BSD-style license. See <a href="https://djunits.org/docs/license.html">DJUNITS License</a>.
20   * </p>
21   * @author <a href="https://www.tudelft.nl/averbraeck" target="_blank">Alexander Verbraeck</a>
22   * @param <AU> the absolute unit belonging to the relative unit
23   * @param <A> the absolute scalar type belonging to the absolute matrix type
24   * @param <AV> the absolute vector type belonging to the absolute matrix type
25   * @param <AM> the (immutable or mutable) absolute matrix type
26   * @param <RU> the relative unit belonging to the absolute unit
27   * @param <R> the relative scalar type belonging to the relative matrix type
28   * @param <RV> the relative vector type belonging to the relative matrix type
29   * @param <RM> the relative (immutable or mutable) matrix type with this unit
30   */
31  // @formatter:off
32  public abstract class FloatMatrixAbs<
33          AU  extends AbsoluteLinearUnit<AU, RU>, 
34          A   extends FloatScalarAbs<AU, A, RU, R>,
35          AV  extends FloatVectorAbs<AU, A, AV, RU, R, RV>,
36          AM  extends FloatMatrixAbs<AU, A, AV, AM, RU, R, RV, RM>, 
37          RU  extends Unit<RU>,
38          R   extends FloatScalarRelWithAbs<AU, A, RU, R>,
39          RV  extends FloatVectorRelWithAbs<AU, A, AV, RU, R, RV>,
40          RM  extends FloatMatrixRelWithAbs<AU, A, AV, AM, RU, R, RV, RM>>
41          extends FloatMatrix<AU, A, AV, AM>
42          implements Absolute<AU, AM, RU, RM>
43  // @formatter:on
44  {
45      /** */
46      private static final long serialVersionUID = 20190908L;
47  
48      /**
49       * Construct a new Relative Mutable FloatMatrix.
50       * @param data FloatMatrixData; an internal data object
51       * @param unit AU; the unit
52       */
53      protected FloatMatrixAbs(final FloatMatrixData data, final AU unit)
54      {
55          super(data.copy(), unit);
56      }
57  
58      @Override
59      public AM plus(final RM increment) throws ValueRuntimeException
60      {
61          return instantiateMatrix(this.getData().plus(increment.getData()), getDisplayUnit());
62      }
63  
64      @Override
65      public AM minus(final RM decrement) throws ValueRuntimeException
66      {
67          return instantiateMatrix(this.getData().minus(decrement.getData()), getDisplayUnit());
68      }
69  
70      @Override
71      public RM minus(final AM decrement) throws ValueRuntimeException
72      {
73          return instantiateMatrixRel(this.getData().minus(decrement.getData()), decrement.getDisplayUnit().getRelativeUnit());
74      }
75  
76      /**
77       * Decrement all values of this matrix by the decrement. This only works if this matrix is mutable.
78       * @param decrement R; the scalar by which to decrement all values
79       * @return AM; this modified vector
80       * @throws ValueRuntimeException in case this vector is immutable
81       */
82      @SuppressWarnings("unchecked")
83      public AM decrementBy(final R decrement)
84      {
85          checkCopyOnWrite();
86          assign(FloatMathFunctions.DEC(decrement.si));
87          return (AM) this;
88      }
89  
90      /**
91       * Decrement all values of this matrix by the decrement on a value by value basis. This only works if this matrix is
92       * mutable.
93       * @param decrement RM; the matrix that contains the values by which to decrement the corresponding values
94       * @return AV; this modified matrix
95       * @throws ValueRuntimeException in case this matrix is immutable or when the sizes of the matrices differ
96       */
97      @SuppressWarnings("unchecked")
98      public AM decrementBy(final RM decrement)
99      {
100         checkCopyOnWrite();
101         this.data.decrementBy(decrement.getData());
102         return (AM) this;
103     }
104 
105     /**
106      * Instantiate a new relative matrix of the class of this absolute matrix. This can be used instead of the
107      * FloatMatrix.instiantiate() methods in case another matrix of this absolute matrix class is known. The method is faster
108      * than FloatMatrix.instantiate, and it will also work if the matrix is user-defined.
109      * @param dmd FloatMatrixData; the data used to instantiate the matrix
110      * @param displayUnit RU; the display unit of the relative matrix
111      * @return RM; a relative matrix of the correct type, belonging to this absolute matrix type
112      */
113     public abstract RM instantiateMatrixRel(FloatMatrixData dmd, RU displayUnit);
114 
115     /**
116      * Instantiate a new relative vector of the class of this absolute matrix. This can be used instead of the
117      * FloatVector.instiantiate() methods in case another matrix of this absolute matrix class is known. The method is faster
118      * than FloatVector.instantiate, and it will also work if the matrix or vector is user-defined.
119      * @param dvd FloatVectorData; the data used to instantiate the vector
120      * @param displayUnit RU; the display unit of the relative vector
121      * @return RV; a relative vector of the correct type, belonging to this absolute matrix type
122      */
123     public abstract RV instantiateVectorRel(FloatVectorData dvd, RU displayUnit);
124 
125     /**
126      * Instantiate a new relative scalar for the class of this absolute matrix. This can be used instead of the
127      * FloatScalar.instiantiate() methods in case a matrix of this class is known. The method is faster than
128      * FloatScalar.instantiate, and it will also work if the matrix and/or scalar are user-defined.
129      * @param valueSI float; the SI value of the relative scalar
130      * @param displayUnit RU; the unit in which the relative value will be displayed
131      * @return R; a relative scalar of the correct type, belonging to this absolute matrix type
132      */
133     public abstract R instantiateScalarRelSI(float valueSI, RU displayUnit);
134 
135 }