1from petsc4py import PETSc 2import unittest 3 4# -------------------------------------------------------------------- 5 6 7class BaseTestDA: 8 COMM = PETSc.COMM_WORLD 9 SIZES = None 10 BOUNDARY = None 11 DOF = 1 12 STENCIL = PETSc.DMDA.StencilType.STAR 13 SWIDTH = 1 14 15 def setUp(self): 16 self.da = PETSc.DMDA().create( 17 dim=len(self.SIZES), 18 dof=self.DOF, 19 sizes=self.SIZES, 20 boundary_type=self.BOUNDARY, 21 stencil_type=self.STENCIL, 22 stencil_width=self.SWIDTH, 23 comm=self.COMM, 24 ) 25 26 def tearDown(self): 27 self.da = None 28 PETSc.garbage_cleanup() 29 30 def testGetInfo(self): 31 dim = self.da.getDim() 32 dof = self.da.getDof() 33 sizes = self.da.getSizes() 34 boundary = self.da.getBoundaryType() 35 stencil_type = self.da.getStencilType() 36 stencil_width = self.da.getStencilWidth() 37 self.assertEqual(dim, len(self.SIZES)) 38 self.assertEqual(dof, self.DOF) 39 self.assertEqual(sizes, tuple(self.SIZES)) 40 self.assertEqual(boundary, self.BOUNDARY or (0,) * dim) 41 self.assertEqual(stencil_type, self.STENCIL) 42 self.assertEqual(stencil_width, self.SWIDTH) 43 44 def testRangesCorners(self): 45 dim = self.da.getDim() 46 ranges = self.da.getRanges() 47 starts, lsizes = self.da.getCorners() 48 self.assertEqual(dim, len(ranges)) 49 self.assertEqual(dim, len(starts)) 50 self.assertEqual(dim, len(lsizes)) 51 for i in range(dim): 52 s, e = ranges[i] 53 self.assertEqual(s, starts[i]) 54 self.assertEqual(e - s, lsizes[i]) 55 56 def testGhostRangesCorners(self): 57 dim = self.da.getDim() 58 ranges = self.da.getGhostRanges() 59 starts, lsizes = self.da.getGhostCorners() 60 self.assertEqual(dim, len(ranges)) 61 self.assertEqual(dim, len(starts)) 62 self.assertEqual(dim, len(lsizes)) 63 for i in range(dim): 64 s, e = ranges[i] 65 self.assertEqual(s, starts[i]) 66 self.assertEqual(e - s, lsizes[i]) 67 68 def testOwnershipRanges(self): 69 ownership_ranges = self.da.getOwnershipRanges() 70 procsizes = self.da.getProcSizes() 71 self.assertEqual(len(procsizes), len(ownership_ranges)) 72 for i, m in enumerate(procsizes): 73 self.assertEqual(m, len(ownership_ranges[i])) 74 75 def testFieldName(self): 76 for i in range(self.da.getDof()): 77 self.da.setFieldName(i, 'field%d' % i) 78 for i in range(self.da.getDof()): 79 name = self.da.getFieldName(i) 80 self.assertEqual(name, 'field%d' % i) 81 82 def testCoordinates(self): 83 self.da.setUniformCoordinates(0, 1, 0, 1, 0, 1) 84 # 85 c = self.da.getCoordinates() 86 self.da.setCoordinates(c) 87 c.destroy() 88 cda = self.da.getCoordinateDM() 89 cda.destroy() 90 # 91 c = self.da.getCoordinates() 92 self.da.setCoordinates(c) 93 c.destroy() 94 gc = self.da.getCoordinatesLocal() 95 gc.destroy() 96 97 def testCreateVecMat(self): 98 vn = self.da.createNaturalVec() 99 vg = self.da.createGlobalVec() 100 vl = self.da.createLocalVec() 101 mat = self.da.createMat() 102 self.assertTrue(mat.getType() in ('aij', 'seqaij', 'mpiaij')) 103 vn.set(1.0) 104 self.da.naturalToGlobal(vn, vg) 105 self.assertEqual(vg.max()[1], 1.0) 106 self.assertEqual(vg.min()[1], 1.0) 107 self.da.globalToLocal(vg, vl) 108 self.assertEqual(vl.max()[1], 1.0) 109 self.assertTrue(vl.min()[1] in (1.0, 0.0)) 110 vn.set(0.0) 111 self.da.globalToNatural(vg, vn) 112 self.assertEqual(vn.max()[1], 1.0) 113 self.assertEqual(vn.min()[1], 1.0) 114 vl2 = self.da.createLocalVec() 115 self.da.localToLocal(vl, vl2) 116 self.assertEqual(vl2.max()[1], 1.0) 117 self.assertTrue(vl2.min()[1] in (1.0, 0.0)) 118 NONE = PETSc.DM.BoundaryType.NONE 119 btype = self.da.boundary_type 120 psize = self.da.proc_sizes 121 for b, p in zip(btype, psize): 122 if b != NONE and p == 1: 123 return 124 vg2 = self.da.createGlobalVec() 125 self.da.localToGlobal(vl2, vg2) 126 127 def testGetVec(self): 128 vg = self.da.getGlobalVec() 129 vl = self.da.getLocalVec() 130 try: 131 vg.set(1.0) 132 self.assertEqual(vg.max()[1], 1.0) 133 self.assertEqual(vg.min()[1], 1.0) 134 self.da.globalToLocal(vg, vl) 135 self.assertEqual(vl.max()[1], 1.0) 136 self.assertTrue(vl.min()[1] in (1.0, 0.0)) 137 vl.set(2.0) 138 NONE = PETSc.DM.BoundaryType.NONE 139 btype = self.da.boundary_type 140 psize = self.da.proc_sizes 141 for b, p in zip(btype, psize): 142 if b != NONE and p == 1: 143 return 144 self.da.localToGlobal(vl, vg) 145 self.assertEqual(vg.max()[1], 2.0) 146 self.assertTrue(vg.min()[1] in (2.0, 0.0)) 147 finally: 148 self.da.restoreGlobalVec(vg) 149 self.da.restoreLocalVec(vl) 150 self.assertFalse(vg) 151 self.assertFalse(vl) 152 153 name = 'abcd' 154 155 vg = self.da.getGlobalVec(name) 156 vg.set(4.0) 157 self.da.restoreGlobalVec(vg, name) 158 self.assertFalse(vg) 159 vg = self.da.getGlobalVec() 160 vg.setRandom() 161 self.da.restoreGlobalVec(vg) 162 vg = self.da.getGlobalVec(name) 163 vg.shift(-4.0) 164 self.assertEqual(vg.max()[1], 0.0) 165 self.da.restoreGlobalVec(vg, name) 166 167 vl = self.da.getLocalVec(name) 168 vl.set(4.0) 169 self.da.restoreLocalVec(vl, name) 170 self.assertFalse(vl) 171 vl = self.da.getLocalVec() 172 vl.setRandom() 173 self.da.restoreLocalVec(vl) 174 vl = self.da.getLocalVec(name) 175 vl.shift(-4.0) 176 self.assertEqual(vl.max()[1], 0.0) 177 self.da.restoreLocalVec(vl, name) 178 179 def testGetOther(self): 180 _ = self.da.getAO() 181 _ = self.da.getLGMap() 182 _, _ = self.da.getScatter() 183 184 def testRefineCoarsen(self): 185 da = self.da 186 rda = da.refine() 187 self.assertEqual(da.getDim(), rda.getDim()) 188 self.assertEqual(da.getDof(), rda.getDof()) 189 if da.dim != 1: 190 self.assertEqual(da.getStencilType(), rda.getStencilType()) 191 self.assertEqual(da.getStencilWidth(), rda.getStencilWidth()) 192 cda = rda.coarsen() 193 self.assertEqual(rda.getDim(), cda.getDim()) 194 self.assertEqual(rda.getDof(), cda.getDof()) 195 for n1, n2 in zip(self.da.getSizes(), cda.getSizes()): 196 self.assertTrue(abs(n1 - n2) <= 1) 197 198 def testCoarsenRefine(self): 199 if PETSc.COMM_WORLD.getSize() > 6: 200 return 201 da = self.da 202 cda = self.da.coarsen() 203 self.assertEqual(da.getDim(), cda.getDim()) 204 self.assertEqual(da.getDof(), cda.getDof()) 205 if da.dim != 1: 206 self.assertEqual(da.getStencilType(), cda.getStencilType()) 207 self.assertEqual(da.getStencilWidth(), cda.getStencilWidth()) 208 rda = cda.refine() 209 for n1, n2 in zip(self.da.getSizes(), rda.getSizes()): 210 self.assertTrue(abs(n1 - n2) <= 1) 211 212 def testRefineHierarchy(self): 213 levels = self.da.refineHierarchy(2) 214 self.assertTrue(isinstance(levels, list)) 215 self.assertEqual(len(levels), 2) 216 for item in levels: 217 self.assertTrue(isinstance(item, PETSc.DM)) 218 219 def testCoarsenHierarchy(self): 220 if PETSc.COMM_WORLD.getSize() > 6: 221 return 222 levels = self.da.coarsenHierarchy(2) 223 self.assertTrue(isinstance(levels, list)) 224 self.assertEqual(len(levels), 2) 225 for item in levels: 226 self.assertTrue(isinstance(item, PETSc.DM)) 227 228 def testCreateInterpolation(self): 229 da = self.da 230 if da.dim == 1: 231 return 232 rda = da.refine() 233 _, _ = da.createInterpolation(rda) 234 235 def testCreateInjection(self): 236 if PETSc.COMM_WORLD.getSize() > 6: 237 return 238 da = self.da 239 if da.dim == 1: 240 return 241 rda = da.refine() 242 _ = da.createInjection(rda) 243 244 def testzeroRowsColumnsStencil(self): 245 da = self.da 246 A = da.createMatrix() 247 x = da.createGlobalVector() 248 x.set(2.0) 249 A.setDiagonal(x) 250 diag1 = x.duplicate() 251 A.getDiagonal(diag1) 252 if self.SIZES != 2: # only coded test for 2D case 253 return 254 istart, iend, jstart, jend = da.getRanges() 255 self.assertTrue(x.equal(diag1)) 256 zeroidx = [] 257 for i in range(istart, iend): 258 for j in range(jstart, jend): 259 row = PETSc.Mat.Stencil() 260 row.index = (i, j) 261 zeroidx = zeroidx + [row] 262 diag2 = x.duplicate() 263 diag2.set(1.0) 264 A.zeroRowsColumnsStencil(zeroidx, 1.0, x, diag2) 265 ans = x.duplicate() 266 ans.set(2.0) 267 self.assertTrue(ans.equal(diag2)) 268 269 270MIRROR = PETSc.DMDA.BoundaryType.MIRROR 271GHOSTED = PETSc.DMDA.BoundaryType.GHOSTED 272PERIODIC = PETSc.DMDA.BoundaryType.PERIODIC 273TWIST = PETSc.DMDA.BoundaryType.TWIST 274 275SCALE = 4 276 277 278class BaseTestDA_1D(BaseTestDA): 279 SIZES = [100 * SCALE] 280 281 282class BaseTestDA_2D(BaseTestDA): 283 SIZES = [9 * SCALE, 11 * SCALE] 284 285 286class BaseTestDA_3D(BaseTestDA): 287 SIZES = [6 * SCALE, 7 * SCALE, 8 * SCALE] 288 289 290# -------------------------------------------------------------------- 291 292 293class TestDA_1D(BaseTestDA_1D, unittest.TestCase): 294 pass 295 296 297class TestDA_1D_W0(TestDA_1D): 298 SWIDTH = 0 299 300 301class TestDA_1D_W2(TestDA_1D): 302 SWIDTH = 2 303 304 305class TestDA_2D(BaseTestDA_2D, unittest.TestCase): 306 pass 307 308 309class TestDA_2D_W0(TestDA_2D): 310 SWIDTH = 0 311 312 313class TestDA_2D_W0_N2(TestDA_2D): 314 DOF = 2 315 SWIDTH = 0 316 317 318class TestDA_2D_W2(TestDA_2D): 319 SWIDTH = 2 320 321 322class TestDA_2D_W2_N2(TestDA_2D): 323 DOF = 2 324 SWIDTH = 2 325 326 327class TestDA_2D_PXY(TestDA_2D): 328 SIZES = [13 * SCALE, 17 * SCALE] 329 DOF = 2 330 SWIDTH = 5 331 BOUNDARY = (PERIODIC,) * 2 332 333 334class TestDA_2D_GXY(TestDA_2D): 335 SIZES = [13 * SCALE, 17 * SCALE] 336 DOF = 2 337 SWIDTH = 5 338 BOUNDARY = (GHOSTED,) * 2 339 340 341class TestDA_2D_TXY(TestDA_2D): 342 SIZES = [13 * SCALE, 17 * SCALE] 343 DOF = 2 344 SWIDTH = 5 345 BOUNDARY = (TWIST,) * 2 346 347 348class TestDA_3D(BaseTestDA_3D, unittest.TestCase): 349 pass 350 351 352class TestDA_3D_W0(TestDA_3D): 353 SWIDTH = 0 354 355 356class TestDA_3D_W0_N2(TestDA_3D): 357 DOF = 2 358 SWIDTH = 0 359 360 361class TestDA_3D_W2(TestDA_3D): 362 SWIDTH = 2 363 364 365class TestDA_3D_W2_N2(TestDA_3D): 366 DOF = 2 367 SWIDTH = 2 368 369 370class TestDA_3D_PXYZ(TestDA_3D): 371 SIZES = [11 * SCALE, 13 * SCALE, 17 * SCALE] 372 DOF = 2 373 SWIDTH = 3 374 BOUNDARY = (PERIODIC,) * 3 375 376 377class TestDA_3D_GXYZ(TestDA_3D): 378 SIZES = [11 * SCALE, 13 * SCALE, 17 * SCALE] 379 DOF = 2 380 SWIDTH = 3 381 BOUNDARY = (GHOSTED,) * 3 382 383 384class TestDA_3D_TXYZ(TestDA_3D): 385 SIZES = [11 * SCALE, 13 * SCALE, 17 * SCALE] 386 DOF = 2 387 SWIDTH = 3 388 BOUNDARY = (TWIST,) * 3 389 390 391# -------------------------------------------------------------------- 392 393DIM = ( 394 1, 395 2, 396 3, 397) 398DOF = ( 399 None, 400 1, 401 2, 402 3, 403 4, 404 5, 405) 406BOUNDARY_TYPE = ( 407 None, 408 'none', 409 (0,) * 3, 410 0, 411 'ghosted', 412 (GHOSTED,) * 3, 413 GHOSTED, 414 'periodic', 415 (PERIODIC,) * 3, 416 PERIODIC, 417 'twist', 418 (TWIST,) * 3, 419 TWIST, 420) 421STENCIL_TYPE = (None, 'star', 'box') 422STENCIL_WIDTH = (None, 0, 1, 2, 3) 423 424 425DIM = (1, 2, 3) 426DOF = (None, 2, 5) 427BOUNDARY_TYPE = (None, 'none', 'periodic', 'ghosted', 'twist') 428STENCIL_TYPE = (None, 'box') 429STENCIL_WIDTH = (None, 1, 2) 430 431 432class TestDACreate(unittest.TestCase): 433 pass 434 435 436counter = 0 437for dim in DIM: 438 for dof in DOF: 439 for boundary in BOUNDARY_TYPE: 440 if isinstance(boundary, tuple): 441 boundary = boundary[:dim] 442 for stencil in STENCIL_TYPE: 443 for width in STENCIL_WIDTH: 444 kargs = { 445 'sizes': [8 * SCALE] * dim, 446 'dim': dim, 447 'dof': dof, 448 'boundary_type': boundary, 449 'stencil_type': stencil, 450 'stencil_width': width, 451 } 452 453 def testCreate(self, kargs=kargs): 454 kargs = dict(kargs) 455 da = PETSc.DMDA().create(**kargs) 456 da.destroy() 457 458 setattr(TestDACreate, 'testCreate%04d' % counter, testCreate) 459 del testCreate, kargs 460 counter += 1 461del counter, dim, dof, boundary, stencil, width 462 463 464class TestDADuplicate(unittest.TestCase): 465 pass 466 467 468counter = 0 469for dim in DIM: 470 for dof in DOF: 471 for boundary in BOUNDARY_TYPE: 472 if isinstance(boundary, tuple): 473 boundary = boundary[:dim] 474 for stencil in STENCIL_TYPE: 475 for width in STENCIL_WIDTH: 476 kargs = { 477 'dim': dim, 478 'dof': dof, 479 'boundary_type': boundary, 480 'stencil_type': stencil, 481 'stencil_width': width, 482 } 483 484 def testDuplicate(self, kargs=kargs): 485 kargs = dict(kargs) 486 dim = kargs.pop('dim') 487 dof = kargs['dof'] 488 boundary = kargs['boundary_type'] 489 stencil = kargs['stencil_type'] 490 width = kargs['stencil_width'] 491 da = PETSc.DMDA().create([8 * SCALE] * dim) 492 newda = da.duplicate(**kargs) 493 self.assertEqual(newda.dim, da.dim) 494 self.assertEqual(newda.sizes, da.sizes) 495 self.assertEqual(newda.proc_sizes, da.proc_sizes) 496 self.assertEqual(newda.ranges, da.ranges) 497 self.assertEqual(newda.corners, da.corners) 498 if ( 499 newda.boundary_type == da.boundary_type 500 and newda.stencil_width == da.stencil_width 501 ): 502 self.assertEqual(newda.ghost_ranges, da.ghost_ranges) 503 self.assertEqual(newda.ghost_corners, da.ghost_corners) 504 if dof is None: 505 dof = da.dof 506 if boundary is None: 507 boundary = da.boundary_type 508 elif boundary == 'none': 509 boundary = (0,) * dim 510 elif boundary == 'mirror': 511 boundary = (MIRROR,) * dim 512 elif boundary == 'ghosted': 513 boundary = (GHOSTED,) * dim 514 elif boundary == 'periodic': 515 boundary = (PERIODIC,) * dim 516 elif boundary == 'twist': 517 boundary = (TWIST,) * dim 518 elif isinstance(boundary, int): 519 boundary = (boundary,) * dim 520 if stencil is None: 521 stencil = da.stencil[0] 522 if width is None: 523 width = da.stencil_width 524 self.assertEqual(newda.dof, dof) 525 self.assertEqual(newda.boundary_type, boundary) 526 if dim == 1: 527 self.assertEqual(newda.stencil, (stencil, width)) 528 newda.destroy() 529 da.destroy() 530 531 setattr( 532 TestDADuplicate, 'testDuplicate%04d' % counter, testDuplicate 533 ) 534 del testDuplicate, kargs 535 counter += 1 536del counter, dim, dof, boundary, stencil, width 537 538# -------------------------------------------------------------------- 539 540if PETSc.COMM_WORLD.getSize() > 1: 541 del TestDA_1D_W0 542 del TestDA_2D_W0, TestDA_2D_W0_N2 543 del TestDA_3D_W0, TestDA_3D_W0_N2 544 545# -------------------------------------------------------------------- 546 547if __name__ == '__main__': 548 unittest.main() 549 550# -------------------------------------------------------------------- 551