Package org.apache.commons.math3.fraction

Examples of org.apache.commons.math3.fraction.Fraction

55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
    @Test
    public void testMapFunctions() throws FractionConversionException {
        SparseFieldVector<Fraction> v1 = new SparseFieldVector<Fraction>(field,vec1);

        //octave =  v1 .+ 2.0
        FieldVector<Fraction> v_mapAdd = v1.mapAdd(new Fraction(2));
        Fraction[] result_mapAdd = {new Fraction(3), new Fraction(4), new Fraction(5)};
        Assert.assertArrayEquals("compare vectors" ,result_mapAdd,v_mapAdd.toArray());

        //octave =  v1 .+ 2.0
        FieldVector<Fraction> v_mapAddToSelf = v1.copy();
        v_mapAddToSelf.mapAddToSelf(new Fraction(2));
        Fraction[] result_mapAddToSelf = {new Fraction(3), new Fraction(4), new Fraction(5)};
        Assert.assertArrayEquals("compare vectors" ,result_mapAddToSelf,v_mapAddToSelf.toArray());

        //octave =  v1 .- 2.0
        FieldVector<Fraction> v_mapSubtract = v1.mapSubtract(new Fraction(2));
        Fraction[] result_mapSubtract = {new Fraction(-1), new Fraction(0), new Fraction(1)};
        Assert.assertArrayEquals("compare vectors" ,result_mapSubtract,v_mapSubtract.toArray());

        //octave =  v1 .- 2.0
        FieldVector<Fraction> v_mapSubtractToSelf = v1.copy();
        v_mapSubtractToSelf.mapSubtractToSelf(new Fraction(2));
        Fraction[] result_mapSubtractToSelf = {new Fraction(-1), new Fraction(0), new Fraction(1)};
        Assert.assertArrayEquals("compare vectors" ,result_mapSubtractToSelf,v_mapSubtractToSelf.toArray());

        //octave =  v1 .* 2.0
        FieldVector<Fraction> v_mapMultiply = v1.mapMultiply(new Fraction(2));
        Fraction[] result_mapMultiply = {new Fraction(2), new Fraction(4), new Fraction(6)};
        Assert.assertArrayEquals("compare vectors" ,result_mapMultiply,v_mapMultiply.toArray());

        //octave =  v1 .* 2.0
        FieldVector<Fraction> v_mapMultiplyToSelf = v1.copy();
        v_mapMultiplyToSelf.mapMultiplyToSelf(new Fraction(2));
        Fraction[] result_mapMultiplyToSelf = {new Fraction(2), new Fraction(4), new Fraction(6)};
        Assert.assertArrayEquals("compare vectors" ,result_mapMultiplyToSelf,v_mapMultiplyToSelf.toArray());

        //octave =  v1 ./ 2.0
        FieldVector<Fraction> v_mapDivide = v1.mapDivide(new Fraction(2));
        Fraction[] result_mapDivide = {new Fraction(.5d), new Fraction(1), new Fraction(1.5d)};
        Assert.assertArrayEquals("compare vectors" ,result_mapDivide,v_mapDivide.toArray());

        //octave =  v1 ./ 2.0
        FieldVector<Fraction> v_mapDivideToSelf = v1.copy();
        v_mapDivideToSelf.mapDivideToSelf(new Fraction(2));
        Fraction[] result_mapDivideToSelf = {new Fraction(.5d), new Fraction(1), new Fraction(1.5d)};
        Assert.assertArrayEquals("compare vectors" ,result_mapDivideToSelf,v_mapDivideToSelf.toArray());

        //octave =  v1 .^-1
        FieldVector<Fraction> v_mapInv = v1.mapInv();
        Fraction[] result_mapInv = {new Fraction(1),new Fraction(0.5d),new Fraction(3.333333333333333e-01d)};
        Assert.assertArrayEquals("compare vectors" ,result_mapInv,v_mapInv.toArray());

        //octave =  v1 .^-1
        FieldVector<Fraction> v_mapInvToSelf = v1.copy();
        v_mapInvToSelf.mapInvToSelf();
        Fraction[] result_mapInvToSelf = {new Fraction(1),new Fraction(0.5d),new Fraction(3.333333333333333e-01d)};
        Assert.assertArrayEquals("compare vectors" ,result_mapInvToSelf,v_mapInvToSelf.toArray());


    }
View Full Code Here
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
        FieldVector<Fraction> v2_t = new ArrayFieldVectorTest.FieldVectorTestImpl<Fraction>(vec2);

        //octave =  v1 + v2
        FieldVector<Fraction> v_add = v1.add(v2);
        Fraction[] result_add = {new Fraction(5), new Fraction(7), new Fraction(9)};
        Assert.assertArrayEquals("compare vect" ,v_add.toArray(),result_add);

        FieldVector<Fraction> vt2 = new ArrayFieldVectorTest.FieldVectorTestImpl<Fraction>(vec2);
        FieldVector<Fraction> v_add_i = v1.add(vt2);
        Fraction[] result_add_i = {new Fraction(5), new Fraction(7), new Fraction(9)};
        Assert.assertArrayEquals("compare vect" ,v_add_i.toArray(),result_add_i);

        //octave =  v1 - v2
        SparseFieldVector<Fraction> v_subtract = v1.subtract(v2);
        Fraction[] result_subtract = {new Fraction(-3), new Fraction(-3), new Fraction(-3)};
        assertClose("compare vect" ,v_subtract.toArray(),result_subtract,normTolerance);

        FieldVector<Fraction> v_subtract_i = v1.subtract(vt2);
        Fraction[] result_subtract_i = {new Fraction(-3), new Fraction(-3), new Fraction(-3)};
        assertClose("compare vect" ,v_subtract_i.toArray(),result_subtract_i,normTolerance);

        // octave v1 .* v2
        FieldVector<Fraction>  v_ebeMultiply = v1.ebeMultiply(v2);
        Fraction[] result_ebeMultiply = {new Fraction(4), new Fraction(10), new Fraction(18)};
        assertClose("compare vect" ,v_ebeMultiply.toArray(),result_ebeMultiply,normTolerance);

        FieldVector<Fraction>  v_ebeMultiply_2 = v1.ebeMultiply(v2_t);
        Fraction[] result_ebeMultiply_2 = {new Fraction(4), new Fraction(10), new Fraction(18)};
        assertClose("compare vect" ,v_ebeMultiply_2.toArray(),result_ebeMultiply_2,normTolerance);

        // octave v1 ./ v2
        FieldVector<Fraction>  v_ebeDivide = v1.ebeDivide(v2);
        Fraction[] result_ebeDivide = {new Fraction(0.25d), new Fraction(0.4d), new Fraction(0.5d)};
        assertClose("compare vect" ,v_ebeDivide.toArray(),result_ebeDivide,normTolerance);

        FieldVector<Fraction>  v_ebeDivide_2 = v1.ebeDivide(v2_t);
        Fraction[] result_ebeDivide_2 = {new Fraction(0.25d), new Fraction(0.4d), new Fraction(0.5d)};
        assertClose("compare vect" ,v_ebeDivide_2.toArray(),result_ebeDivide_2,normTolerance);

        // octave  dot(v1,v2)
        Fraction dot =  v1.dotProduct(v2);
        Assert.assertEquals("compare val ",new Fraction(32), dot);

        // octave  dot(v1,v2_t)
        Fraction dot_2 =  v1.dotProduct(v2_t);
        Assert.assertEquals("compare val ",new Fraction(32), dot_2);

        FieldMatrix<Fraction> m_outerProduct = v1.outerProduct(v2);
        Assert.assertEquals("compare val ",new Fraction(4), m_outerProduct.getEntry(0,0));

        FieldMatrix<Fraction> m_outerProduct_2 = v1.outerProduct(v2_t);
        Assert.assertEquals("compare val ",new Fraction(4), m_outerProduct_2.getEntry(0,0));

    }
View Full Code Here
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
    @Test
    public void testOuterProduct() {
        final SparseFieldVector<Fraction> u
            = new SparseFieldVector<Fraction>(FractionField.getInstance(),
                                              new Fraction[] {new Fraction(1),
                                                              new Fraction(2),
                                                              new Fraction(-3)});
        final SparseFieldVector<Fraction> v
            = new SparseFieldVector<Fraction>(FractionField.getInstance(),
                                              new Fraction[] {new Fraction(4),
                                                              new Fraction(-2)});

        final FieldMatrix<Fraction> uv = u.outerProduct(v);

        final double tol = Math.ulp(1d);
        Assert.assertEquals(new Fraction(4).doubleValue(), uv.getEntry(0, 0).doubleValue(), tol);
        Assert.assertEquals(new Fraction(-2).doubleValue(), uv.getEntry(0, 1).doubleValue(), tol);
        Assert.assertEquals(new Fraction(8).doubleValue(), uv.getEntry(1, 0).doubleValue(), tol);
        Assert.assertEquals(new Fraction(-4).doubleValue(), uv.getEntry(1, 1).doubleValue(), tol);
        Assert.assertEquals(new Fraction(-12).doubleValue(), uv.getEntry(2, 0).doubleValue(), tol);
        Assert.assertEquals(new Fraction(6).doubleValue(), uv.getEntry(2, 1).doubleValue(), tol);
    }
View Full Code Here
214
215
216
217
218
219
220
221
222
223
224
225
    }

    @Test
    public void testPredicates() {

        SparseFieldVector<Fraction> v = new SparseFieldVector<Fraction>(field, new Fraction[] { new Fraction(0), new Fraction(1), new Fraction(2) });

        v.setEntry(0, field.getZero());
        Assert.assertEquals(v, new SparseFieldVector<Fraction>(field, new Fraction[] { new Fraction(0), new Fraction(1), new Fraction(2) }));
        Assert.assertNotSame(v, new SparseFieldVector<Fraction>(field, new Fraction[] { new Fraction(0), new Fraction(1), new Fraction(2), new Fraction(3) }));

    }
View Full Code Here
252
253
254
255
256
257
258
259
260
261
262
    @Test
    public void testWalkInDefaultOrderPreservingVisitor1() {
        final Fraction[] data = new Fraction[] {
            Fraction.ZERO, Fraction.ONE, Fraction.ZERO,
            Fraction.ZERO, Fraction.TWO, Fraction.ZERO,
            Fraction.ZERO, Fraction.ZERO, new Fraction(3)
        };
        final SparseFieldVector<Fraction> v = new SparseFieldVector<Fraction>(field, data);
        final FieldVectorPreservingVisitor<Fraction> visitor;
        visitor = new FieldVectorPreservingVisitor<Fraction>() {
View Full Code Here
339
340
341
342
343
344
345
346
347
348
349
    @Test
    public void testWalkInDefaultOrderPreservingVisitor3() {
        final Fraction[] data = new Fraction[] {
            Fraction.ZERO, Fraction.ONE, Fraction.ZERO,
            Fraction.ZERO, Fraction.TWO, Fraction.ZERO,
            Fraction.ZERO, Fraction.ZERO, new Fraction(3)
        };
        final SparseFieldVector<Fraction> v = new SparseFieldVector<Fraction>(field, data);
        final int expectedStart = 2;
        final int expectedEnd = 7;
        final FieldVectorPreservingVisitor<Fraction> visitor;
View Full Code Here
377
378
379
380
381
382
383
384
385
386
387
    @Test
    public void testWalkInOptimizedOrderPreservingVisitor1() {
        final Fraction[] data = new Fraction[] {
            Fraction.ZERO, Fraction.ONE, Fraction.ZERO,
            Fraction.ZERO, Fraction.TWO, Fraction.ZERO,
            Fraction.ZERO, Fraction.ZERO, new Fraction(3)
        };
        final SparseFieldVector<Fraction> v = new SparseFieldVector<Fraction>(field, data);
        final FieldVectorPreservingVisitor<Fraction> visitor;
        visitor = new FieldVectorPreservingVisitor<Fraction>() {
            private final boolean[] visited = new boolean[data.length];
View Full Code Here
466
467
468
469
470
471
472
473
474
475
476
    @Test
    public void testWalkInOptimizedOrderPreservingVisitor3() {
        final Fraction[] data = new Fraction[] {
            Fraction.ZERO, Fraction.ONE, Fraction.ZERO,
            Fraction.ZERO, Fraction.TWO, Fraction.ZERO,
            Fraction.ZERO, Fraction.ZERO, new Fraction(3)
        };
        final SparseFieldVector<Fraction> v = new SparseFieldVector<Fraction>(field, data);
        final int expectedStart = 2;
        final int expectedEnd = 7;
        final FieldVectorPreservingVisitor<Fraction> visitor;
View Full Code Here
506
507
508
509
510
511
512
513
514
515
516
    @Test
    public void testWalkInDefaultOrderChangingVisitor1() {
        final Fraction[] data = new Fraction[] {
            Fraction.ZERO, Fraction.ONE, Fraction.ZERO,
            Fraction.ZERO, Fraction.TWO, Fraction.ZERO,
            Fraction.ZERO, Fraction.ZERO, new Fraction(3)
        };
        final SparseFieldVector<Fraction> v = new SparseFieldVector<Fraction>(field, data);
        final FieldVectorChangingVisitor<Fraction> visitor;
        visitor = new FieldVectorChangingVisitor<Fraction>() {
View Full Code Here
597
598
599
600
601
602
603
604
605
606
607
    @Test
    public void testWalkInDefaultOrderChangingVisitor3() {
        final Fraction[] data = new Fraction[] {
            Fraction.ZERO, Fraction.ONE, Fraction.ZERO,
            Fraction.ZERO, Fraction.TWO, Fraction.ZERO,
            Fraction.ZERO, Fraction.ZERO, new Fraction(3)
        };
        final SparseFieldVector<Fraction> v = new SparseFieldVector<Fraction>(field, data);
        final int expectedStart = 2;
        final int expectedEnd = 7;
        final FieldVectorChangingVisitor<Fraction> visitor;
View Full Code Here
TOP

Related Classes of org.apache.commons.math3.fraction.Fraction

  • fraction.FractionTest
  • org.apache.commons.math3.analysis.differentiation.DerivativeStructure
  • org.apache.commons.math3.analysis.differentiation.MultivariateDifferentiableVectorFunction
  • org.apache.commons.math3.analysis.function.HarmonicOscillator
  • org.apache.commons.math3.analysis.function.Sin
  • org.apache.commons.math3.analysis.function.Sinc
  • org.apache.commons.math3.analysis.MultivariateFunction
  • org.apache.commons.math3.analysis.QuinticFunction
  • org.apache.commons.math3.analysis.solvers.BrentSolver
  • org.apache.commons.math3.analysis.UnivariateFunction
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.