1 package org.djunits.value.vfloat.matrix;
2
3 import static org.junit.Assert.assertEquals;
4 import static org.junit.Assert.assertFalse;
5 import static org.junit.Assert.assertNotEquals;
6 import static org.junit.Assert.assertTrue;
7 import static org.junit.Assert.fail;
8
9 import java.lang.reflect.InvocationTargetException;
10 import java.lang.reflect.Method;
11
12 import org.djunits.unit.AbsoluteTemperatureUnit;
13 import org.djunits.unit.AngleUnit;
14 import org.djunits.unit.AreaUnit;
15 import org.djunits.unit.DirectionUnit;
16 import org.djunits.unit.DurationUnit;
17 import org.djunits.unit.LengthUnit;
18 import org.djunits.unit.PositionUnit;
19 import org.djunits.unit.SIUnit;
20 import org.djunits.unit.TemperatureUnit;
21 import org.djunits.unit.TimeUnit;
22 import org.djunits.unit.Unit;
23 import org.djunits.unit.quantity.Quantities;
24 import org.djunits.unit.quantity.Quantity;
25 import org.djunits.unit.util.UnitException;
26 import org.djunits.unit.util.UnitRuntimeException;
27 import org.djunits.value.CLASSNAMES;
28 import org.djunits.value.ValueRuntimeException;
29 import org.djunits.value.storage.StorageType;
30 import org.djunits.value.vdouble.matrix.AreaMatrix;
31 import org.djunits.value.vdouble.matrix.Determinant;
32 import org.djunits.value.vdouble.matrix.base.DoubleMatrix;
33 import org.djunits.value.vfloat.function.FloatMathFunctions;
34 import org.djunits.value.vfloat.matrix.base.AbstractFloatMatrixRel;
35 import org.djunits.value.vfloat.matrix.base.FloatMatrix;
36 import org.djunits.value.vfloat.matrix.base.FloatSparseValue;
37 import org.djunits.value.vfloat.matrix.data.FloatMatrixData;
38 import org.djunits.value.vfloat.scalar.FloatAbsoluteTemperature;
39 import org.djunits.value.vfloat.scalar.FloatArea;
40 import org.djunits.value.vfloat.scalar.FloatDirection;
41 import org.djunits.value.vfloat.scalar.FloatDuration;
42 import org.djunits.value.vfloat.scalar.FloatLength;
43 import org.djunits.value.vfloat.scalar.FloatPosition;
44 import org.djunits.value.vfloat.scalar.FloatTime;
45 import org.djunits.value.vfloat.vector.FLOATVECTOR;
46 import org.djunits.value.vfloat.vector.FloatAreaVector;
47 import org.djutils.exceptions.Try;
48 import org.junit.Test;
49
50
51
52
53 public class FloatMatrixMethodTest
54 {
55
56
57
58
59
60
61 @Test
62 public void testMatrixMethods() throws ValueRuntimeException, UnitException
63 {
64 float[][] denseTestData = FLOATMATRIX.denseRectArrays(10, 20);
65 float[][] sparseTestData = FLOATMATRIX.sparseRectArrays(10, 20);
66 float[][] reverseSparseTestData = new float[sparseTestData.length][];
67
68 for (int index = 0; index < sparseTestData.length; index++)
69 {
70 reverseSparseTestData[reverseSparseTestData.length - 1 - index] = sparseTestData[index];
71 }
72
73 for (int row = 1; row < 8; row++)
74 {
75 for (int col = 2; col < 18; col++)
76 {
77 sparseTestData[row][col] = 10000.456f + row + 100 * col;
78 reverseSparseTestData[row][col] = 20000.567f + row + 100 * col;
79 }
80 }
81
82 for (StorageType storageType : new StorageType[] {StorageType.DENSE, StorageType.SPARSE})
83 {
84 for (AreaUnit au : new AreaUnit[] {AreaUnit.SQUARE_METER, AreaUnit.ACRE})
85 {
86 float[][] testData = storageType.equals(StorageType.DENSE) ? denseTestData : sparseTestData;
87 FloatAreaMatrix am =
88 FloatMatrix.instantiate(FloatMatrixData.instantiate(testData, au.getScale(), storageType), au);
89
90
91 for (int row : new int[] {-1, 0, denseTestData.length - 1, denseTestData.length})
92 {
93 for (int col : new int[] {-1, 0, denseTestData[0].length - 1, denseTestData[0].length})
94 {
95 if (row < 0 || col < 0 || row >= denseTestData.length || col >= denseTestData[0].length)
96 {
97 try
98 {
99 am.get(row, col);
100 fail("bad row or bad column value should have thrown a ValueRuntimeException");
101 }
102 catch (ValueRuntimeException vre)
103 {
104
105 }
106 }
107 else
108 {
109 am.get(row, col);
110 }
111 }
112 if (row < 0 || row >= denseTestData.length)
113 {
114 try
115 {
116 am.getRow(row);
117 fail("getRow with bad row value should have thrown a ValueRuntimeException");
118 }
119 catch (ValueRuntimeException vre)
120 {
121
122 }
123 }
124 }
125 for (int col : new int[] {-1, 0, denseTestData[0].length - 1, denseTestData[0].length})
126 {
127 if (col < 0 || col >= denseTestData[0].length)
128 {
129 try
130 {
131 am.getColumn(col);
132 fail("getColumn with bad column value should have thrown a ValueRuntimeException");
133 }
134 catch (ValueRuntimeException vre)
135 {
136
137 }
138 }
139 else
140 {
141 am.getColumn(col);
142 }
143 }
144
145
146 assertEquals(am, am.toSparse());
147 assertEquals(am, am.toDense());
148 assertEquals(am, am.toSparse().toDense());
149 assertEquals(am, am.toDense().toSparse());
150 assertEquals(am.hashCode(), am.toSparse().hashCode());
151 assertEquals(am.hashCode(), am.toDense().hashCode());
152 assertTrue(am.toDense().isDense());
153 assertFalse(am.toDense().isSparse());
154 assertTrue(am.toSparse().isSparse());
155 assertFalse(am.toSparse().isDense());
156
157
158 assertEquals(am, am);
159 assertNotEquals(am, new Object());
160 assertNotEquals(am, null);
161 assertNotEquals(am, FloatMatrix.instantiate(
162 FloatMatrixData.instantiate(testData, LengthUnit.METER.getScale(), storageType), LengthUnit.METER));
163 assertNotEquals(am, am.divide(2.0f));
164
165
166 assertFalse(am.isMutable());
167 FloatAreaMatrix ammut = am.mutable();
168 assertTrue(ammut.isMutable());
169 assertFalse(am.isMutable());
170 FloatAreaMatrix ammut2 = ammut.multiplyBy(1.0);
171 assertEquals(am, ammut2);
172 assertTrue(ammut.isMutable());
173 assertFalse(am.isMutable());
174 assertTrue(ammut2.isMutable());
175 ammut2 = ammut2.mutable().divideBy(2.0);
176 assertEquals(am, ammut);
177 assertNotEquals(am, ammut2);
178 FloatAreaMatrix ammut3 = ammut2.mutable().divideBy(0.0);
179 for (int row = 0; row < ammut3.rows(); row++)
180 {
181 for (int col = 0; col < ammut3.cols(); col++)
182 {
183 if (ammut2.getSI(row, col) == 0)
184 {
185 assertTrue("Value should be NaN", Float.isNaN(ammut3.getSI(row, col)));
186
187 }
188 else
189 {
190 assertTrue("Value should be Infinite", Float.isInfinite(ammut3.getSI(row, col)));
191 }
192 }
193 }
194
195
196 FloatArea zSum = am.zSum();
197 float sum = 0;
198 int card = 0;
199 for (int row = 0; row < testData.length; row++)
200 {
201 for (int col = 0; col < testData[0].length; col++)
202 {
203 sum += testData[row][col];
204 card += testData[row][col] == 0.0f ? 0 : 1;
205 }
206 }
207 assertEquals("zSum", sum, zSum.getInUnit(), 5f);
208 assertEquals("cardinality", card, am.cardinality());
209 FloatAreaMatrix ammutZero = ammut.multiplyBy(0.0f);
210 assertEquals("cardinality should be 0", 0, ammutZero.cardinality());
211 assertEquals("zSum should be 0", 0.0, ammutZero.zSum().getSI(), 0);
212
213
214 FloatAreaMatrix amold = am.clone();
215 FloatArea fa = FloatArea.of(10.0f, "m^2");
216 FloatAreaMatrix aminc = am.mutable().incrementBy(fa).immutable();
217 FloatAreaMatrix amdec = am.mutable().decrementBy(fa).immutable();
218 FloatAreaMatrix amid = aminc.mutable().decrementBy(fa);
219 assertEquals("immutable matrix should not change when converted to mutable", am, amold);
220 for (int row = 0; row < testData.length; row++)
221 {
222 for (int col = 0; col < testData[0].length; col++)
223 {
224 assertEquals("increment and decrement with scalar should result in same matrix", am.getSI(row, col),
225 amid.getSI(row, col), 5f);
226 assertEquals("m + s = (m+s)", au.getScale().toStandardUnit(testData[row][col]) + 10.0,
227 aminc.getSI(row, col), 6f);
228 assertEquals("m - s = (m-s)", au.getScale().toStandardUnit(testData[row][col]) - 10.0,
229 amdec.getSI(row, col), 6f);
230 }
231 }
232
233
234 FloatAreaMatrix amt5 = am.mutable().multiplyBy(5.0f).immutable();
235 FloatAreaMatrix amd5 = am.mutable().divideBy(5.0f).immutable();
236 FloatAreaMatrix amtd = amt5.mutable().divideBy(5.0f);
237 FloatAreaMatrix amtimD = am.times(5.0d);
238 FloatAreaMatrix amtimF = am.times(5.0f);
239 FloatAreaMatrix amdivD = am.divide(5.0d);
240 FloatAreaMatrix amdivF = am.divide(5.0f);
241 for (int row = 0; row < testData.length; row++)
242 {
243 for (int col = 0; col < testData[0].length; col++)
244 {
245 assertEquals("times followed by divide with constant should result in same matrix", am.getSI(row, col),
246 amtd.getSI(row, col), 0.5);
247 assertEquals("m * 5.0 = (m*5.0)", au.getScale().toStandardUnit(testData[row][col]) * 5.0f,
248 amt5.getSI(row, col), 50f);
249 assertEquals("m / 5.0 = (m/5.0)", au.getScale().toStandardUnit(testData[row][col]) / 5.0f,
250 amd5.getSI(row, col), 2f);
251 assertEquals("amtimD", amt5.getSI(row, col), amtimD.getSI(row, col), 0.1f);
252 assertEquals("amtimF", amt5.getSI(row, col), amtimF.getSI(row, col), 0.1f);
253 assertEquals("amdivD", amd5.getSI(row, col), amdivD.getSI(row, col), 0.01f);
254 assertEquals("amdivD", amd5.getSI(row, col), amdivF.getSI(row, col), 0.01f);
255 }
256 }
257
258
259 assertEquals("get()", new FloatArea(testData[2][2], au), am.get(2, 2));
260 assertEquals("getSI()", au.getScale().toStandardUnit(testData[2][2]), am.getSI(2, 2), 1f);
261 assertEquals("getInUnit()", testData[2][2], am.getInUnit(2, 2), 0.1);
262 assertEquals("getInUnit(unit)",
263 AreaUnit.SQUARE_YARD.getScale().fromStandardUnit(au.getScale().toStandardUnit(testData[2][2])),
264 am.getInUnit(2, 2, AreaUnit.SQUARE_YARD), 10f);
265
266
267 FloatArea fasqft = new FloatArea(10.5f, AreaUnit.SQUARE_FOOT);
268 FloatAreaMatrix famChange = am.clone().mutable();
269 famChange.set(2, 2, fasqft);
270 assertEquals("set()", fasqft.si, famChange.get(2, 2).si, 0.1f);
271 famChange = am.clone().mutable();
272 famChange.setSI(2, 2, 123.4f);
273 assertEquals("setSI()", 123.4f, famChange.get(2, 2).si, 0.1f);
274 famChange = am.clone().mutable();
275 famChange.setInUnit(2, 2, 1.2f);
276 assertEquals("setInUnit()", 1.2f, famChange.getInUnit(2, 2), 0.1f);
277 famChange = am.clone().mutable();
278 famChange.setInUnit(2, 2, 1.5f, AreaUnit.HECTARE);
279 assertEquals("setInUnit(unit)", 15000.0f, famChange.get(2, 2).si, 1.0f);
280
281
282 float[][] squareData = storageType.equals(StorageType.DENSE) ? FLOATMATRIX.denseRectArrays(12, 12)
283 : FLOATMATRIX.sparseRectArrays(12, 12);
284 FloatAreaMatrix amSquare =
285 FloatMatrix.instantiate(FloatMatrixData.instantiate(squareData, au.getScale(), storageType), au);
286 float[] row2si = am.getRowSI(2);
287 float[] col2si = am.getColumnSI(2);
288 float[] diagsi = amSquare.getDiagonalSI();
289 FloatAreaVector row2v = am.getRow(2);
290 FloatAreaVector col2v = am.getColumn(2);
291 FloatAreaVector diagv = amSquare.getDiagonal();
292 FloatArea[] row2scalar = am.getRowScalars(2);
293 FloatArea[] col2scalar = am.getColumnScalars(2);
294 FloatArea[] diagscalar = amSquare.getDiagonalScalars();
295 for (int col = 0; col < testData[0].length; col++)
296 {
297 assertEquals("row2si", au.getScale().toStandardUnit(testData[2][col]), row2si[col], 10f);
298 assertEquals("row2v", au.getScale().toStandardUnit(testData[2][col]), row2v.getSI(col), 10f);
299 assertEquals("row2scalar", au.getScale().toStandardUnit(testData[2][col]), row2scalar[col].si, 10f);
300 }
301 for (int row = 0; row < testData.length; row++)
302 {
303 assertEquals("col2si", au.getScale().toStandardUnit(testData[row][2]), col2si[row], 10f);
304 assertEquals("col2v", au.getScale().toStandardUnit(testData[row][2]), col2v.getSI(row), 10f);
305 assertEquals("col2scalar", au.getScale().toStandardUnit(testData[row][2]), col2scalar[row].si, 10f);
306 }
307 for (int diag = 0; diag < amSquare.rows(); diag++)
308 {
309 assertEquals("diag2si", au.getScale().toStandardUnit(squareData[diag][diag]), diagsi[diag], 0.1f);
310 assertEquals("diag2v", au.getScale().toStandardUnit(squareData[diag][diag]), diagv.getSI(diag), 0.1f);
311 assertEquals("diag2scalar", au.getScale().toStandardUnit(squareData[diag][diag]), diagscalar[diag].si,
312 0.1f);
313 }
314
315
316 float[][] valsi = am.getValuesSI();
317 float[][] valunit = am.getValuesInUnit();
318 float[][] valsqft = am.getValuesInUnit(AreaUnit.SQUARE_YARD);
319 FloatArea[][] valscalars = am.getScalars();
320 for (int row = 0; row < testData.length; row++)
321 {
322 for (int col = 0; col < testData[0].length; col++)
323 {
324 assertEquals("getValuesSI()", au.getScale().toStandardUnit(testData[row][col]), valsi[row][col], 5f);
325 assertEquals("getValuesInUnit()", testData[row][col], valunit[row][col], 0.1);
326 assertEquals("getValuesInUnit(unit)", AreaUnit.SQUARE_YARD.getScale()
327 .fromStandardUnit(au.getScale().toStandardUnit(testData[row][col])), valsqft[row][col], 10f);
328 assertEquals("getValuesInUnit(unit)", au.getScale().toStandardUnit(testData[row][col]),
329 valscalars[row][col].si, 5f);
330 }
331 }
332
333
334 FloatAreaMatrix amdiv2 = am.divide(2.0f);
335 assertEquals(am.getStorageType(), amdiv2.getStorageType());
336 assertEquals(am.getDisplayUnit(), amdiv2.getDisplayUnit());
337 FloatAreaMatrix amAbs = amdiv2.mutable().abs().immutable();
338 assertEquals(am.getStorageType(), amAbs.getStorageType());
339 assertEquals(am.getDisplayUnit(), amAbs.getDisplayUnit());
340 FloatAreaMatrix amCeil = amdiv2.mutable().ceil().immutable();
341 assertEquals(am.getStorageType(), amCeil.getStorageType());
342 assertEquals(am.getDisplayUnit(), amCeil.getDisplayUnit());
343 FloatAreaMatrix amFloor = amdiv2.mutable().floor().immutable();
344 assertEquals(am.getStorageType(), amFloor.getStorageType());
345 assertEquals(am.getDisplayUnit(), amFloor.getDisplayUnit());
346 FloatAreaMatrix amNeg = amdiv2.mutable().neg().immutable();
347 assertEquals(am.getStorageType(), amNeg.getStorageType());
348 assertEquals(am.getDisplayUnit(), amNeg.getDisplayUnit());
349 FloatAreaMatrix amRint = amdiv2.mutable().rint().immutable();
350 assertEquals(am.getStorageType(), amRint.getStorageType());
351 assertEquals(am.getDisplayUnit(), amRint.getDisplayUnit());
352 for (int row = 0; row < testData.length; row++)
353 {
354 for (int col = 0; col < testData[0].length; col++)
355 {
356
357 assertEquals("div2", au.getScale().toStandardUnit(testData[row][col]) / 2.0f, amdiv2.getSI(row, col),
358 5f);
359 assertEquals("abs", (float) Math.abs(au.getScale().toStandardUnit(testData[row][col]) / 2.0f),
360 amAbs.getSI(row, col), 0.1f);
361 assertEquals("ceil", (float) Math.ceil(au.getScale().toStandardUnit(testData[row][col]) / 2.0f),
362 amCeil.getSI(row, col), 5f);
363 assertEquals("floor", (float) Math.floor(au.getScale().toStandardUnit(testData[row][col]) / 2.0f),
364 amFloor.getSI(row, col), 5f);
365 assertEquals("neg", -au.getScale().toStandardUnit(testData[row][col]) / 2.0f, amNeg.getSI(row, col),
366 5f);
367 assertEquals("rint", (float) Math.rint(au.getScale().toStandardUnit(testData[row][col]) / 2.0f),
368 amRint.getSI(row, col), 5f);
369 }
370 }
371
372 float[][] testData4x4 = new float[][] {{2, 3, 5, 7}, {11, 13, 17, 19}, {23, 29, 31, 37}, {41, 43, 47, 49}};
373 FloatAreaMatrix am4x4 =
374 FloatMatrix.instantiate(FloatMatrixData.instantiate(testData4x4, au.getScale(), storageType), au);
375 float det = am4x4.determinantSI();
376 float detCalc = Determinant.det(am4x4.getValuesSI());
377 float err = Math.max(det, detCalc) / 1000.0f;
378 assertEquals("Determinant of square matrix with unit " + au.getDefaultTextualAbbreviation() + ", storage = "
379 + storageType + " = " + det + " but should have been " + detCalc, detCalc, det, err);
380 Try.testFail(() -> am.determinantSI(), "Determinant of non-square matrix should have thrown exception");
381
382
383
384 for (StorageType storageType2 : new StorageType[] {StorageType.DENSE, StorageType.SPARSE})
385 {
386 float[][] testData2 = storageType2.equals(StorageType.DENSE) ? denseTestData : reverseSparseTestData;
387 for (AreaUnit au2 : new AreaUnit[] {AreaUnit.SQUARE_METER, AreaUnit.ACRE})
388 {
389
390
391 FloatAreaMatrix am2 = FloatMatrix
392 .instantiate(FloatMatrixData.instantiate(testData2, au2.getScale(), storageType2), au2);
393 FloatAreaMatrix amSum1 = am.plus(am2);
394 FloatAreaMatrix amSum2 = am2.plus(am);
395 FloatAreaMatrix amSum3 = am.mutable().incrementBy(am2).immutable();
396 FloatAreaMatrix amSum4 = am2.mutable().incrementBy(am).immutable();
397 assertEquals("a+b == b+a", amSum1, amSum2);
398 assertEquals("a+b == b+a", amSum1, amSum3);
399 assertEquals("a+b == b+a", amSum1, amSum4);
400 for (int row = 0; row < testData.length; row++)
401 {
402 for (int col = 0; col < testData[0].length; col++)
403 {
404 float tolerance = Float.isFinite(amSum1.getSI(row, col))
405 ? Math.abs(amSum1.getSI(row, col) / 10000.0f) : 0.1f;
406 assertEquals("value in matrix matches",
407 au.getScale().toStandardUnit(testData[row][col])
408 + au2.getScale().toStandardUnit(testData2[row][col]),
409 amSum1.getSI(row, col), tolerance);
410 }
411 }
412
413
414 FloatAreaMatrix amDiff1 = am.minus(am2);
415 FloatAreaMatrix amDiff2 = am2.minus(am).mutable().neg();
416 FloatAreaMatrix amDiff3 = am.mutable().decrementBy(am2).immutable();
417 assertEquals("a-b == -(b-a)", amDiff1, amDiff2);
418 assertEquals("a-b == -(b-a)", amDiff1, amDiff3);
419 for (int row = 0; row < testData.length; row++)
420 {
421 for (int col = 0; col < testData[0].length; col++)
422 {
423 float tolerance = Float.isFinite(amDiff1.getSI(row, col))
424 ? Math.abs(amDiff1.getSI(row, col) / 10000.0f) : 0.1f;
425 assertEquals("value in matrix matches",
426 au.getScale().toStandardUnit(testData[row][col])
427 - au2.getScale().toStandardUnit(testData2[row][col]),
428 amDiff1.getSI(row, col), tolerance);
429 }
430 }
431
432
433 FloatSIMatrix amTim = am.times(am2);
434 FloatSIMatrix amDiv = am.divide(am2);
435 assertEquals("unit of m2 * m2 should be m4", "m4",
436 amTim.getDisplayUnit().getQuantity().getSiDimensions().toString(false, false, false));
437 assertEquals("unit of m2 / m2 should be 1", "1",
438 amDiv.getDisplayUnit().getQuantity().getSiDimensions().toString(false, false, false));
439 for (int row = 0; row < testData.length; row++)
440 {
441 for (int col = 0; col < testData[0].length; col++)
442 {
443 float tolerance = Float.isFinite(amTim.getSI(row, col))
444 ? Math.abs(amTim.getSI(row, col) / 10000.0f) : 0.1f;
445 assertEquals("value in m2 * m2 matches",
446 au.getScale().toStandardUnit(testData[row][col])
447 * au2.getScale().toStandardUnit(testData2[row][col]),
448 amTim.getSI(row, col), tolerance);
449 tolerance = Float.isFinite(amTim.getSI(row, col)) ? Math.abs(amDiv.getSI(row, col) / 10000.0f)
450 : 0.1f;
451 assertEquals("value in m2 / m2 matches (could be NaN)",
452 au.getScale().toStandardUnit(testData[row][col])
453 / au2.getScale().toStandardUnit(testData2[row][col]),
454 amDiv.getSI(row, col), tolerance);
455 }
456 }
457 }
458 }
459 }
460 }
461 }
462
463
464
465
466 @Test
467 public void testImmutableMatrix()
468 {
469 float[][] denseTestData = FLOATMATRIX.denseRectArrays(5, 10);
470 float[][] sparseTestData = FLOATMATRIX.sparseRectArrays(5, 10);
471
472 for (StorageType storageType : new StorageType[] {StorageType.DENSE, StorageType.SPARSE})
473 {
474 for (AreaUnit au : new AreaUnit[] {AreaUnit.SQUARE_METER, AreaUnit.ACRE})
475 {
476 float[][] testData = storageType.equals(StorageType.DENSE) ? denseTestData : sparseTestData;
477 FloatAreaMatrix am =
478 FloatMatrix.instantiate(FloatMatrixData.instantiate(testData, au.getScale(), storageType), au);
479 am = am.immutable();
480 final FloatAreaMatrix amPtr = am;
481 FloatArea fa = FloatArea.of(10.0f, "m^2");
482 Try.testFail(() -> amPtr.assign(FloatMathFunctions.ABS), "ImmutableMatrix.assign(...) should throw error");
483 Try.testFail(() -> amPtr.decrementBy(fa), "ImmutableMatrix.decrementBy(scalar) should throw error");
484 Try.testFail(() -> amPtr.decrementBy(amPtr), "ImmutableMatrix.decrementBy(matrix) should throw error");
485 Try.testFail(() -> amPtr.incrementBy(fa), "ImmutableMatrix.incrementBy(scalar) should throw error");
486 Try.testFail(() -> amPtr.incrementBy(amPtr), "ImmutableMatrix.incrementBy(matrix) should throw error");
487 Try.testFail(() -> amPtr.divideBy(2.0f), "ImmutableMatrix.divideBy(factor) should throw error");
488 Try.testFail(() -> amPtr.multiplyBy(2.0f), "ImmutableMatrix.multiplyBy(factor) should throw error");
489 Try.testFail(() -> amPtr.set(1, 1, fa), "ImmutableMatrix.set() should throw error");
490 Try.testFail(() -> amPtr.setSI(1, 1, 20.1f), "ImmutableMatrix.setSI() should throw error");
491 Try.testFail(() -> amPtr.setInUnit(1, 1, 15.2f), "ImmutableMatrix.setInUnit(f) should throw error");
492 Try.testFail(() -> amPtr.setInUnit(1, 1, 15.2f, AreaUnit.ARE),
493 "ImmutableMatrix.setInUnit(f, u) should throw error");
494 Try.testFail(() -> amPtr.abs(), "ImmutableMatrix.abs() should throw error");
495 Try.testFail(() -> amPtr.ceil(), "ImmutableMatrix.ceil() should throw error");
496 Try.testFail(() -> amPtr.floor(), "ImmutableMatrix.floor() should throw error");
497 Try.testFail(() -> amPtr.neg(), "ImmutableMatrix.neg() should throw error");
498 Try.testFail(() -> amPtr.rint(), "ImmutableMatrix.rint() should throw error");
499 }
500 }
501 }
502
503
504
505
506 @Test
507 public void testMatrixToString()
508 {
509 float[][] denseTestData = FLOATMATRIX.denseRectArrays(5, 10);
510 float[][] sparseTestData = FLOATMATRIX.sparseRectArrays(5, 10);
511
512 for (StorageType storageType : new StorageType[] {StorageType.DENSE, StorageType.SPARSE})
513 {
514 for (AreaUnit au : new AreaUnit[] {AreaUnit.SQUARE_METER, AreaUnit.ACRE})
515 {
516 float[][] testData = storageType.equals(StorageType.DENSE) ? denseTestData : sparseTestData;
517 FloatAreaMatrix am =
518 FloatMatrix.instantiate(FloatMatrixData.instantiate(testData, au.getScale(), storageType), au);
519 String s1 = am.toString();
520 assertTrue(s1.contains(au.getDefaultTextualAbbreviation()));
521 String s2 = am.toString(AreaUnit.SQUARE_INCH);
522 assertTrue(s2.contains(AreaUnit.SQUARE_INCH.getDefaultTextualAbbreviation()));
523 String s3 = am.toString(AreaUnit.SQUARE_INCH, true, true);
524 assertTrue(s3.contains(AreaUnit.SQUARE_INCH.getDefaultTextualAbbreviation()));
525 if (storageType.equals(StorageType.DENSE))
526 {
527 assertTrue(s3.contains("Dense"));
528 assertFalse(s3.contains("Sparse"));
529 }
530 else
531 {
532 assertFalse(s3.contains("Dense"));
533 assertTrue(s3.contains("Sparse"));
534 }
535 assertTrue(s3.contains("Rel"));
536 assertFalse(s3.contains("Abs"));
537 assertTrue(s3.contains("Immutable"));
538 assertFalse(s3.contains("Mutable"));
539 FloatAreaMatrix ammut = am.mutable();
540 String smut = ammut.toString(AreaUnit.SQUARE_INCH, true, true);
541 assertFalse(smut.contains("Immutable"));
542 assertTrue(smut.contains("Mutable"));
543 String sNotVerbose = ammut.toString(false, false);
544 assertFalse(sNotVerbose.contains("Rel"));
545 assertFalse(sNotVerbose.contains("Abs"));
546 assertFalse(sNotVerbose.contains("Immutable"));
547 assertFalse(sNotVerbose.contains("Mutable"));
548 assertFalse(sNotVerbose.contains(au.getDefaultTextualAbbreviation()));
549 }
550 }
551 FloatTimeMatrix tm = FloatMatrix.instantiate(
552 FloatMatrixData.instantiate(denseTestData, TimeUnit.DEFAULT.getScale(), StorageType.DENSE), TimeUnit.DEFAULT);
553 String st = tm.toString(TimeUnit.DEFAULT, true, true);
554 assertFalse(st.contains("Rel"));
555 assertTrue(st.contains("Abs"));
556 FloatLengthMatrix lm = FloatMatrix.instantiate(
557 FloatMatrixData.instantiate(denseTestData, LengthUnit.SI.getScale(), StorageType.DENSE), LengthUnit.SI);
558 String sl = lm.toString(LengthUnit.SI, true, true);
559 assertTrue(sl.contains("Rel"));
560 assertFalse(sl.contains("Abs"));
561 }
562
563
564
565
566 @Test
567 public void testSpecialMatrixMethodsRelWithAbs()
568 {
569 float[][] denseTestData = FLOATMATRIX.denseRectArrays(5, 10);
570 FloatTimeMatrix tm = FloatMatrix.instantiate(
571 FloatMatrixData.instantiate(denseTestData, TimeUnit.DEFAULT.getScale(), StorageType.DENSE), TimeUnit.DEFAULT);
572 FloatDurationMatrix dm = FloatMatrix.instantiate(
573 FloatMatrixData.instantiate(denseTestData, DurationUnit.MINUTE.getScale(), StorageType.DENSE),
574 DurationUnit.SECOND);
575 assertTrue(tm.isAbsolute());
576 assertFalse(dm.isAbsolute());
577 assertFalse(tm.isRelative());
578 assertTrue(dm.isRelative());
579
580 FloatTimeMatrix absPlusRel = tm.plus(dm);
581 FloatTimeMatrix absMinusRel = tm.minus(dm);
582 float[][] halfDenseData = FLOATMATRIX.denseRectArrays(5, 10);
583 for (int row = 0; row < halfDenseData.length; row++)
584 {
585 for (int col = 0; col < halfDenseData[row].length; col++)
586 {
587 halfDenseData[row][col] *= 0.5;
588 }
589 }
590 FloatTimeMatrix halfTimeMatrix = FloatMatrix.instantiate(
591 FloatMatrixData.instantiate(halfDenseData, TimeUnit.DEFAULT.getScale(), StorageType.DENSE), TimeUnit.DEFAULT);
592 FloatDurationMatrix absMinusAbs = tm.minus(halfTimeMatrix);
593 FloatTimeMatrix absDecByRelS = tm.mutable().decrementBy(FloatDuration.of(1.0f, "min"));
594 FloatTimeMatrix absDecByRelM = tm.mutable().decrementBy(dm.divide(2.0f));
595 FloatTimeMatrix relPlusAbs = dm.plus(tm);
596 for (int row = 0; row < denseTestData.length; row++)
597 {
598 for (int col = 0; col < denseTestData[0].length; col++)
599 {
600 assertEquals("absPlusRel", 61.0 * denseTestData[row][col], absPlusRel.getSI(row, col), 0.01);
601 assertEquals("absMinusRel", -59.0 * denseTestData[row][col], absMinusRel.getSI(row, col), 0.01);
602 assertEquals("absMinusAbs", denseTestData[row][col] / 2.0, absMinusAbs.getSI(row, col), 0.01);
603 assertEquals("absDecByRelS", denseTestData[row][col] - 60.0, absDecByRelS.getSI(row, col), 0.01);
604 assertEquals("absDecByRelM", -29.0 * denseTestData[row][col], absDecByRelM.getSI(row, col), 0.01);
605 assertEquals("relPlusAbs", 61.0 * denseTestData[row][col], relPlusAbs.getSI(row, col), 0.01);
606 }
607 }
608 for (int dRows : new int[] {-1, 0, 1})
609 {
610 for (int dCols : new int[] {-1, 0, 1})
611 {
612 if (dRows == 0 && dCols == 0)
613 {
614 continue;
615 }
616 float[][] other = FLOATMATRIX.denseRectArrays(denseTestData.length + dRows, denseTestData[0].length + dCols);
617 FloatTimeMatrix wrongTimeMatrix = FloatMatrix.instantiate(
618 FloatMatrixData.instantiate(other, TimeUnit.DEFAULT.getScale(), StorageType.DENSE), TimeUnit.DEFAULT);
619 try
620 {
621 tm.mutable().minus(wrongTimeMatrix);
622 fail("Mismatching size should have thrown a ValueRuntimeException");
623 }
624 catch (ValueRuntimeException vre)
625 {
626
627 }
628 }
629 }
630 assertTrue("toString returns something informative",
631 FloatMatrixData.instantiate(denseTestData, TimeUnit.DEFAULT.getScale(), StorageType.DENSE).toString()
632 .startsWith("FloatMatrixData"));
633 }
634
635
636
637
638
639 @Test
640 public void memoryTest()
641 {
642 AreaMatrix am = DoubleMatrix.instantiate(new double[5][10], AreaUnit.SI, StorageType.SPARSE);
643 am = am.mutable();
644 double nonZeroValue = 123.456;
645
646 for (int compoundIndex = 0; compoundIndex < am.cols() * am.rows(); compoundIndex++)
647 {
648
649 int row = compoundIndex % am.rows();
650 int col = compoundIndex / am.rows();
651 assertEquals("initial value is 0", 0d, am.getSI(row, col), 0.0001);
652 am.setSI(row, col, nonZeroValue);
653 assertEquals("current value is nonZero", nonZeroValue, am.getSI(row, col), 0.0001);
654 }
655 for (int compoundIndex = am.cols() * am.rows(); --compoundIndex >= 0;)
656 {
657
658 int row = compoundIndex % am.rows();
659 int col = compoundIndex / am.rows();
660 assertEquals("current value is nonZero", nonZeroValue, am.getSI(row, col), 0.0001);
661 am.setSI(row, col, 0d);
662 assertEquals("final value is 0", 0d, am.getSI(row, col), 0.0001);
663 }
664 }
665
666
667
668
669 @Test
670 public void testInstantiateAbs()
671 {
672 float[][] denseTestData = FLOATMATRIX.denseRectArrays(10, 20);
673 FloatTimeMatrix timeMatrix = FloatMatrix.instantiate(
674 FloatMatrixData.instantiate(denseTestData, TimeUnit.DEFAULT.getScale(), StorageType.DENSE), TimeUnit.DEFAULT);
675 FloatDurationMatrix durationMatrix = FloatMatrix.instantiate(
676 FloatMatrixData.instantiate(denseTestData, DurationUnit.MINUTE.getScale(), StorageType.DENSE),
677 DurationUnit.SECOND);
678
679 float[] halfDenseData = FLOATVECTOR.denseArray(105);
680 for (int index = 0; index < halfDenseData.length; index++)
681 {
682 halfDenseData[index] *= 0.5;
683 }
684 FloatTimeMatrix relPlusAbsTime = durationMatrix.plus(timeMatrix);
685 for (int row = 0; row < denseTestData.length; row++)
686 {
687 for (int col = 0; col < denseTestData[0].length; col++)
688 {
689 assertEquals("relPlusAbsTime", 61.0 * denseTestData[row][col], relPlusAbsTime.getSI(row, col), 0.01);
690 }
691 }
692 FloatTime floatTime = durationMatrix.instantiateScalarAbsSI(123.456f, TimeUnit.EPOCH_DAY);
693 assertEquals("Unit of instantiateScalarAbsSI matches", TimeUnit.EPOCH_DAY, floatTime.getDisplayUnit());
694 assertEquals("Value of instantiateScalarAbsSI matches", 123.456f, floatTime.si, 0.1);
695
696 FloatAngleMatrix angleMatrix = FloatMatrix.instantiate(
697 FloatMatrixData.instantiate(denseTestData, AngleUnit.DEGREE.getScale(), StorageType.DENSE), AngleUnit.DEGREE);
698 FloatDirectionMatrix directionMatrix = FloatMatrix.instantiate(
699 FloatMatrixData.instantiate(denseTestData, DirectionUnit.EAST_DEGREE.getScale(), StorageType.DENSE),
700 DirectionUnit.EAST_DEGREE);
701
702 FloatDirectionMatrix relPlusAbsDirection = angleMatrix.plus(directionMatrix);
703 for (int row = 0; row < denseTestData.length; row++)
704 {
705 for (int col = 0; col < denseTestData[0].length; col++)
706 {
707 assertEquals("relPlusAbsTime", 2.0 / 180 * Math.PI * denseTestData[row][col],
708 relPlusAbsDirection.getSI(row, col), 0.01);
709 }
710 }
711 FloatDirection floatDirection = angleMatrix.instantiateScalarAbsSI(123.456f, DirectionUnit.NORTH_RADIAN);
712 assertEquals("Unit of instantiateScalarAbsSI matches", DirectionUnit.NORTH_RADIAN, floatDirection.getDisplayUnit());
713 assertEquals("Value of instantiateScalarAbsSI matches", 123.456f, floatDirection.si, 0.1);
714
715 FloatTemperatureMatrix temperatureMatrix = FloatMatrix.instantiate(
716 FloatMatrixData.instantiate(denseTestData, TemperatureUnit.DEGREE_FAHRENHEIT.getScale(), StorageType.DENSE),
717 TemperatureUnit.DEGREE_FAHRENHEIT);
718 FloatAbsoluteTemperatureMatrix absoluteTemperatureMatrix = FloatMatrix.instantiate(
719 FloatMatrixData.instantiate(denseTestData, AbsoluteTemperatureUnit.KELVIN.getScale(), StorageType.DENSE),
720 AbsoluteTemperatureUnit.KELVIN);
721
722 FloatAbsoluteTemperatureMatrix relPlusAbsTemperature = temperatureMatrix.plus(absoluteTemperatureMatrix);
723 for (int row = 0; row < denseTestData.length; row++)
724 {
725 for (int col = 0; col < denseTestData[0].length; col++)
726 {
727 assertEquals("relPlusAbsTime", (1.0 + 5.0 / 9.0) * denseTestData[row][col],
728 relPlusAbsTemperature.getSI(row, col), 0.01);
729 }
730 }
731 FloatAbsoluteTemperature floatAbsoluteTemperature =
732 temperatureMatrix.instantiateScalarAbsSI(123.456f, AbsoluteTemperatureUnit.DEGREE_FAHRENHEIT);
733 assertEquals("Unit of instantiateScalarAbsSI matches", AbsoluteTemperatureUnit.DEGREE_FAHRENHEIT,
734 floatAbsoluteTemperature.getDisplayUnit());
735 assertEquals("Value of instantiateScalarAbsSI matches", 123.456f, floatAbsoluteTemperature.si, 0.1);
736
737 FloatLengthMatrix lengthMatrix = FloatMatrix.instantiate(
738 FloatMatrixData.instantiate(denseTestData, LengthUnit.MILE.getScale(), StorageType.DENSE), LengthUnit.MILE);
739 FloatPositionMatrix positionMatrix = FloatMatrix.instantiate(
740 FloatMatrixData.instantiate(denseTestData, PositionUnit.KILOMETER.getScale(), StorageType.DENSE),
741 PositionUnit.KILOMETER);
742
743 FloatPositionMatrix relPlusAbsPosition = lengthMatrix.plus(positionMatrix);
744 for (int row = 0; row < denseTestData.length; row++)
745 {
746 for (int col = 0; col < denseTestData[0].length; col++)
747 {
748 assertEquals("relPlusAbsTime", 2609.344 * denseTestData[row][col], relPlusAbsPosition.getSI(row, col), 0.1);
749 }
750 }
751 FloatPosition floatPosition = lengthMatrix.instantiateScalarAbsSI(123.456f, PositionUnit.ANGSTROM);
752 assertEquals("Unit of instantiateScalarAbsSI matches", PositionUnit.ANGSTROM, floatPosition.getDisplayUnit());
753 assertEquals("Value of instantiateScalarAbsSI matches", 123.456f, floatPosition.si, 0.1);
754 }
755
756
757
758
759
760
761
762
763
764
765
766
767 @SuppressWarnings("unchecked")
768 @Test
769 public <U extends Unit<U>> void testAsUnit() throws ClassNotFoundException, NoSuchMethodException, SecurityException,
770 IllegalAccessException, IllegalArgumentException, InvocationTargetException, UnitException
771 {
772 float[][] testValues = FLOATMATRIX.denseRectArrays(10, 20);
773 for (StorageType storageType : new StorageType[] {StorageType.DENSE, StorageType.SPARSE})
774 {
775 for (String type : CLASSNAMES.REL_LIST)
776 {
777 Class.forName("org.djunits.unit." + type + "Unit");
778 Quantity<U> quantity = (Quantity<U>) Quantities.INSTANCE.getQuantity(type + "Unit");
779 for (U unit : quantity.getUnitsById().values())
780 {
781 for (StorageType storageType2 : new StorageType[] {StorageType.DENSE, storageType})
782 {
783 SIUnit siUnit = SIUnit.of(unit.getQuantity().getSiDimensions());
784 FloatSIMatrix matrix = FloatSIMatrix.instantiate(testValues, siUnit, storageType2);
785 Method asMethod = FloatSIMatrix.class.getDeclaredMethod("as", Unit.class);
786 AbstractFloatMatrixRel<U, ?, ?, ?> asMatrix =
787 (AbstractFloatMatrixRel<U, ?, ?, ?>) asMethod.invoke(matrix, siUnit);
788 assertEquals(matrix.getDisplayUnit().getStandardUnit(), asMatrix.getDisplayUnit());
789 siUnit = SIUnit.of(AbsoluteTemperatureUnit.KELVIN.getQuantity().getSiDimensions());
790 for (int row = 0; row < testValues.length; row++)
791 {
792 for (int col = 0; col < testValues[0].length; col++)
793 {
794 assertEquals("Values should match", testValues[row][col], matrix.getInUnit(row, col), 0.001);
795 }
796 }
797 try
798 {
799 asMethod.invoke(matrix, siUnit);
800 fail("as method should not be able to cast to unrelated (absoluteTemperature) unit");
801 }
802 catch (InvocationTargetException ite)
803 {
804 Throwable cause = ite.getCause();
805 assertEquals("cause is UnitRuntimeException", UnitRuntimeException.class, cause.getClass());
806
807 }
808 }
809 }
810 }
811 }
812 }
813
814
815
816
817 @SuppressWarnings("unlikely-arg-type")
818 @Test
819 public void testEquals()
820 {
821 float[][] testData = FLOATMATRIX.denseRectArrays(12, 34);
822 testData[2][2] = 0;
823 for (StorageType storageType : new StorageType[] {StorageType.DENSE, StorageType.SPARSE})
824 {
825 FloatMatrixData fmd = FloatMatrixData.instantiate(testData, TemperatureUnit.KELVIN.getScale(), storageType);
826 assertTrue("Float matrix is equal to itself", fmd.equals(fmd));
827 assertFalse("Float matrix is not equal to null", fmd.equals(null));
828 assertFalse("Float matrix data is not equal to some string", fmd.equals("some string"));
829 assertTrue("Float matrix is equal to sparse version of itself", fmd.equals(fmd.toSparse()));
830 assertTrue("Float matrix is equal to dense version of itself", fmd.equals(fmd.toDense()));
831 for (StorageType storageType2 : new StorageType[] {StorageType.DENSE, StorageType.SPARSE})
832 {
833 FloatMatrixData dvd2 = FloatMatrixData.instantiate(testData, TemperatureUnit.KELVIN.getScale(), storageType2);
834 assertEquals(
835 "Float matrix data is equal to other double vector containing same values regardless of storage type",
836 fmd, dvd2);
837 float[][] testData2 = FLOATMATRIX.denseRectArrays(12, 33);
838 testData2[2][2] = 0;
839 dvd2 = FloatMatrixData.instantiate(testData2, TemperatureUnit.KELVIN.getScale(), storageType2);
840 assertFalse("Float matrix data is not equal to other double vector containing same values except last one",
841 fmd.equals(dvd2));
842 testData2 = FLOATMATRIX.denseRectArrays(13, 34);
843 testData2[2][2] = 0;
844 dvd2 = FloatMatrixData.instantiate(testData2, TemperatureUnit.KELVIN.getScale(), storageType2);
845 assertFalse("Float matrix data is not equal to other double vector containing same values except last one",
846 fmd.equals(dvd2));
847 testData2 = FLOATMATRIX.denseRectArrays(12, 34);
848 dvd2 = FloatMatrixData.instantiate(testData2, TemperatureUnit.KELVIN.getScale(), storageType2);
849 assertFalse("Float matrix data is not equal to other double vector containing same values except for one zero",
850 fmd.equals(dvd2));
851 }
852 }
853 }
854
855
856
857
858 @SuppressWarnings({"rawtypes", "unchecked"})
859 @Test
860 public void sparseValueTest()
861 {
862 try
863 {
864 new FloatSparseValue(-1, 0, 123.456f);
865 fail("Negative row should have caused a ValueRuntimeException");
866 }
867 catch (ValueRuntimeException vre)
868 {
869
870 }
871
872 try
873 {
874 new FloatSparseValue(0, -1, 123.456f);
875 fail("Negative column should have caused a ValueRuntimeException");
876 }
877 catch (ValueRuntimeException vre)
878 {
879
880 }
881
882 FloatLength length = FloatLength.valueOf("123 km");
883 FloatSparseValue dsv = new FloatSparseValue(2, 3, length);
884 assertEquals("row matches", 2, dsv.getRow());
885 assertEquals("column matches", 3, dsv.getColumn());
886 assertEquals("value matches", 123000, dsv.getValueSI(), 0.1);
887 dsv = new FloatSparseValue(2, 3, 123.000f, LengthUnit.KILOMETER);
888 assertEquals("row matches", 2, dsv.getRow());
889 assertEquals("column matches", 3, dsv.getColumn());
890 assertEquals("value matches", 123000, dsv.getValueSI(), 0.1);
891 }
892
893 }