1from petsc4py import PETSc 2import unittest 3 4# -------------------------------------------------------------------- 5 6class BaseTestDA(object): 7 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(dim=len(self.SIZES), 17 dof=self.DOF, 18 sizes=self.SIZES, 19 boundary_type=self.BOUNDARY, 20 stencil_type=self.STENCIL, 21 stencil_width=self.SWIDTH, 22 comm=self.COMM) 23 24 def tearDown(self): 25 self.da = None 26 27 def testGetInfo(self): 28 dim = self.da.getDim() 29 dof = self.da.getDof() 30 sizes = self.da.getSizes() 31 psizes = self.da.getProcSizes() 32 boundary = self.da.getBoundaryType() 33 stencil_type = self.da.getStencilType() 34 stencil_width = self.da.getStencilWidth() 35 self.assertEqual(dim, len(self.SIZES)) 36 self.assertEqual(dof, self.DOF) 37 self.assertEqual(sizes, tuple(self.SIZES)) 38 self.assertEqual(boundary, self.BOUNDARY or (0,)*dim) 39 self.assertEqual(stencil_type, self.STENCIL) 40 self.assertEqual(stencil_width, self.SWIDTH) 41 42 def testRangesCorners(self): 43 dim = self.da.getDim() 44 ranges = self.da.getRanges() 45 starts, lsizes = self.da.getCorners() 46 self.assertEqual(dim, len(ranges)) 47 self.assertEqual(dim, len(starts)) 48 self.assertEqual(dim, len(lsizes)) 49 for i in range(dim): 50 s, e = ranges[i] 51 self.assertEqual(s, starts[i]) 52 self.assertEqual(e-s, lsizes[i]) 53 54 def testGhostRangesCorners(self): 55 dim = self.da.getDim() 56 ranges = self.da.getGhostRanges() 57 starts, lsizes = self.da.getGhostCorners() 58 self.assertEqual(dim, len(ranges)) 59 self.assertEqual(dim, len(starts)) 60 self.assertEqual(dim, len(lsizes)) 61 for i in range(dim): 62 s, e = ranges[i] 63 self.assertEqual(s, starts[i]) 64 self.assertEqual(e-s, lsizes[i]) 65 66 def testOwnershipRanges(self): 67 dim = self.da.getDim() 68 ownership_ranges = self.da.getOwnershipRanges() 69 procsizes = self.da.getProcSizes() 70 self.assertEqual(len(procsizes), len(ownership_ranges)) 71 for i,m in enumerate(procsizes): 72 self.assertEqual(m, len(ownership_ranges[i])) 73 74 def testFieldName(self): 75 for i in range(self.da.getDof()): 76 self.da.setFieldName(i, "field%d" % i) 77 for i in range(self.da.getDof()): 78 name = self.da.getFieldName(i) 79 self.assertEqual(name, "field%d" % i) 80 81 def testCoordinates(self): 82 self.da.setUniformCoordinates(0,1,0,1,0,1) 83 # 84 c = self.da.getCoordinates() 85 self.da.setCoordinates(c) 86 c.destroy() 87 cda = self.da.getCoordinateDM() 88 cda.destroy() 89 # 90 c = self.da.getCoordinates() 91 self.da.setCoordinates(c) 92 c.destroy() 93 gc = self.da.getCoordinatesLocal() 94 gc.destroy() 95 96 def testCreateVecMat(self): 97 vn = self.da.createNaturalVec() 98 vg = self.da.createGlobalVec() 99 vl = self.da.createLocalVec() 100 mat = self.da.createMat() 101 self.assertTrue(mat.getType() in ('aij', 'seqaij', 'mpiaij')) 102 vn.set(1.0) 103 self.da.naturalToGlobal(vn,vg) 104 self.assertEqual(vg.max()[1], 1.0) 105 self.assertEqual(vg.min()[1], 1.0) 106 self.da.globalToLocal(vg,vl) 107 self.assertEqual(vl.max()[1], 1.0) 108 self.assertTrue (vl.min()[1] in (1.0, 0.0)) 109 vn.set(0.0) 110 self.da.globalToNatural(vg,vn) 111 self.assertEqual(vn.max()[1], 1.0) 112 self.assertEqual(vn.min()[1], 1.0) 113 vl2 = self.da.createLocalVec() 114 self.da.localToLocal(vl,vl2) 115 self.assertEqual(vl2.max()[1], 1.0) 116 self.assertTrue (vl2.min()[1] in (1.0, 0.0)) 117 NONE = PETSc.DM.BoundaryType.NONE 118 s = self.da.stencil_width 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: return 123 vg2 = self.da.createGlobalVec() 124 self.da.localToGlobal(vl2,vg2) 125 126 def testGetVec(self): 127 vg = self.da.getGlobalVec() 128 vl = self.da.getLocalVec() 129 try: 130 vg.set(1.0) 131 self.assertEqual(vg.max()[1], 1.0) 132 self.assertEqual(vg.min()[1], 1.0) 133 self.da.globalToLocal(vg,vl) 134 self.assertEqual(vl.max()[1], 1.0) 135 self.assertTrue (vl.min()[1] in (1.0, 0.0)) 136 vl.set(2.0) 137 NONE = PETSc.DM.BoundaryType.NONE 138 s = self.da.stencil_width 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: return 143 self.da.localToGlobal(vl,vg) 144 self.assertEqual(vg.max()[1], 2.0) 145 self.assertTrue (vg.min()[1] in (2.0, 0.0)) 146 finally: 147 self.da.restoreGlobalVec(vg) 148 self.da.restoreLocalVec(vl) 149 150 def testGetOther(self): 151 ao = self.da.getAO() 152 lgmap = self.da.getLGMap() 153 l2g, g2l = self.da.getScatter() 154 155 def testRefineCoarsen(self): 156 da = self.da 157 rda = da.refine() 158 self.assertEqual(da.getDim(), rda.getDim()) 159 self.assertEqual(da.getDof(), rda.getDof()) 160 if da.dim != 1: 161 self.assertEqual(da.getStencilType(), rda.getStencilType()) 162 self.assertEqual(da.getStencilWidth(), rda.getStencilWidth()) 163 cda = rda.coarsen() 164 self.assertEqual(rda.getDim(), cda.getDim()) 165 self.assertEqual(rda.getDof(), cda.getDof()) 166 for n1, n2 in zip(self.da.getSizes(), cda.getSizes()): 167 self.assertTrue(abs(n1-n2)<=1) 168 169 def testCoarsenRefine(self): 170 da = self.da 171 cda = self.da.coarsen() 172 self.assertEqual(da.getDim(), cda.getDim()) 173 self.assertEqual(da.getDof(), cda.getDof()) 174 if da.dim != 1: 175 self.assertEqual(da.getStencilType(), cda.getStencilType()) 176 self.assertEqual(da.getStencilWidth(), cda.getStencilWidth()) 177 rda = cda.refine() 178 for n1, n2 in zip(self.da.getSizes(), rda.getSizes()): 179 self.assertTrue(abs(n1-n2)<=1) 180 181 def testRefineHierarchy(self): 182 levels = self.da.refineHierarchy(2) 183 self.assertTrue(isinstance(levels, list)) 184 self.assertEqual(len(levels), 2) 185 for item in levels: 186 self.assertTrue(isinstance(item, PETSc.DM)) 187 188 def testCoarsenHierarchy(self): 189 levels = self.da.coarsenHierarchy(2) 190 self.assertTrue(isinstance(levels, list)) 191 self.assertEqual(len(levels), 2) 192 for item in levels: 193 self.assertTrue(isinstance(item, PETSc.DM)) 194 195 def testCreateInterpolation(self): 196 da = self.da 197 if da.dim == 1: return 198 rda = da.refine() 199 mat, vec = da.createInterpolation(rda) 200 201 def testCreateInjection(self): 202 da = self.da 203 if da.dim == 1: return 204 rda = da.refine() 205 scatter = da.createInjection(rda) 206 207 208MIRROR = PETSc.DMDA.BoundaryType.MIRROR 209GHOSTED = PETSc.DMDA.BoundaryType.GHOSTED 210PERIODIC = PETSc.DMDA.BoundaryType.PERIODIC 211TWIST = PETSc.DMDA.BoundaryType.TWIST 212 213SCALE = 4 214 215class BaseTestDA_1D(BaseTestDA): 216 SIZES = [100*SCALE] 217 218class BaseTestDA_2D(BaseTestDA): 219 SIZES = [9*SCALE,11*SCALE] 220 221class BaseTestDA_3D(BaseTestDA): 222 SIZES = [6*SCALE,7*SCALE,8*SCALE] 223 224# -------------------------------------------------------------------- 225 226class TestDA_1D(BaseTestDA_1D, unittest.TestCase): 227 pass 228class TestDA_1D_W0(TestDA_1D): 229 SWIDTH = 0 230class TestDA_1D_W2(TestDA_1D): 231 SWIDTH = 2 232 233class TestDA_2D(BaseTestDA_2D, unittest.TestCase): 234 pass 235class TestDA_2D_W0(TestDA_2D): 236 SWIDTH = 0 237class TestDA_2D_W0_N2(TestDA_2D): 238 DOF = 2 239 SWIDTH = 0 240class TestDA_2D_W2(TestDA_2D): 241 SWIDTH = 2 242class TestDA_2D_W2_N2(TestDA_2D): 243 DOF = 2 244 SWIDTH = 2 245class TestDA_2D_PXY(TestDA_2D): 246 SIZES = [13*SCALE,17*SCALE] 247 DOF = 2 248 SWIDTH = 5 249 BOUNDARY = (PERIODIC,)*2 250class TestDA_2D_GXY(TestDA_2D): 251 SIZES = [13*SCALE,17*SCALE] 252 DOF = 2 253 SWIDTH = 5 254 BOUNDARY = (GHOSTED,)*2 255class TestDA_2D_TXY(TestDA_2D): 256 SIZES = [13*SCALE,17*SCALE] 257 DOF = 2 258 SWIDTH = 5 259 BOUNDARY = (TWIST,)*2 260 261class TestDA_3D(BaseTestDA_3D, unittest.TestCase): 262 pass 263class TestDA_3D_W0(TestDA_3D): 264 SWIDTH = 0 265class TestDA_3D_W0_N2(TestDA_3D): 266 DOF = 2 267 SWIDTH = 0 268class TestDA_3D_W2(TestDA_3D): 269 SWIDTH = 2 270class TestDA_3D_W2_N2(TestDA_3D): 271 DOF = 2 272 SWIDTH = 2 273class TestDA_3D_PXYZ(TestDA_3D): 274 SIZES = [11*SCALE,13*SCALE,17*SCALE] 275 DOF = 2 276 SWIDTH = 3 277 BOUNDARY = (PERIODIC,)*3 278class TestDA_3D_GXYZ(TestDA_3D): 279 SIZES = [11*SCALE,13*SCALE,17*SCALE] 280 DOF = 2 281 SWIDTH = 3 282 BOUNDARY = (GHOSTED,)*3 283class TestDA_3D_TXYZ(TestDA_3D): 284 SIZES = [11*SCALE,13*SCALE,17*SCALE] 285 DOF = 2 286 SWIDTH = 3 287 BOUNDARY = (TWIST,)*3 288 289# -------------------------------------------------------------------- 290 291DIM = (1,2,3,) 292DOF = (None,1,2,3,4,5,) 293BOUNDARY_TYPE = ( 294 None, 295 "none", (0,)*3, 0, 296 "ghosted", (GHOSTED,)*3, GHOSTED, 297 "periodic", (PERIODIC,)*3, PERIODIC, 298 "twist", (TWIST,)*3, TWIST, 299 ) 300STENCIL_TYPE = (None,"star","box") 301STENCIL_WIDTH = (None,0,1,2,3) 302 303 304DIM = (1,2,3) 305DOF = (None,2,5) 306BOUNDARY_TYPE = (None,"none","periodic","ghosted","twist") 307STENCIL_TYPE = (None,"box") 308STENCIL_WIDTH = (None,1,2) 309 310class TestDACreate(unittest.TestCase): 311 pass 312counter = 0 313for dim in DIM: 314 for dof in DOF: 315 for boundary in BOUNDARY_TYPE: 316 if isinstance(boundary, tuple): 317 boundary = boundary[:dim] 318 for stencil in STENCIL_TYPE: 319 for width in STENCIL_WIDTH: 320 kargs = dict(sizes=[8*SCALE]*dim, 321 dim=dim, dof=dof, 322 boundary_type=boundary, 323 stencil_type=stencil, 324 stencil_width=width) 325 def testCreate(self, kargs=kargs): 326 kargs = dict(kargs) 327 da = PETSc.DMDA().create(**kargs) 328 da.destroy() 329 setattr(TestDACreate, 330 "testCreate%04d"%counter, 331 testCreate) 332 del testCreate, kargs 333 counter += 1 334del counter, dim, dof, boundary, stencil, width 335 336class TestDADuplicate(unittest.TestCase): 337 pass 338counter = 0 339for dim in DIM: 340 for dof in DOF: 341 for boundary in BOUNDARY_TYPE: 342 if isinstance(boundary, tuple): 343 boundary = boundary[:dim] 344 for stencil in STENCIL_TYPE: 345 for width in STENCIL_WIDTH: 346 kargs = dict(dim=dim, dof=dof, 347 boundary_type=boundary, 348 stencil_type=stencil, 349 stencil_width=width) 350 def testDuplicate(self, kargs=kargs): 351 kargs = dict(kargs) 352 dim = kargs.pop('dim') 353 dof = kargs['dof'] 354 boundary = kargs['boundary_type'] 355 stencil = kargs['stencil_type'] 356 width = kargs['stencil_width'] 357 da = PETSc.DMDA().create([8*SCALE]*dim) 358 newda = da.duplicate(**kargs) 359 self.assertEqual(newda.dim, da.dim) 360 self.assertEqual(newda.sizes, da.sizes) 361 self.assertEqual(newda.proc_sizes, 362 da.proc_sizes) 363 self.assertEqual(newda.ranges, da.ranges) 364 self.assertEqual(newda.corners, da.corners) 365 if (newda.boundary_type == da.boundary_type 366 and 367 newda.stencil_width == da.stencil_width): 368 self.assertEqual(newda.ghost_ranges, 369 da.ghost_ranges) 370 self.assertEqual(newda.ghost_corners, 371 da.ghost_corners) 372 if dof is None: 373 dof = da.dof 374 if boundary is None: 375 boundary = da.boundary_type 376 elif boundary == "none": 377 boundary = (0,) * dim 378 elif boundary == "mirror": 379 boundary = (MIRROR,) * dim 380 elif boundary == "ghosted": 381 boundary = (GHOSTED,) * dim 382 elif boundary == "periodic": 383 boundary = (PERIODIC,) * dim 384 elif boundary == "twist": 385 boundary = (TWIST,) * dim 386 elif isinstance(boundary, int): 387 boundary = (boundary,) * dim 388 if stencil is None: 389 stencil = da.stencil[0] 390 if width is None: 391 width = da.stencil_width 392 self.assertEqual(newda.dof, dof) 393 self.assertEqual(newda.boundary_type, 394 boundary) 395 if dim == 1: 396 self.assertEqual(newda.stencil, 397 (stencil, width)) 398 newda.destroy() 399 da.destroy() 400 setattr(TestDADuplicate, 401 "testDuplicate%04d"%counter, 402 testDuplicate) 403 del testDuplicate, kargs 404 counter += 1 405del counter, dim, dof, boundary, stencil, width 406 407# -------------------------------------------------------------------- 408 409if PETSc.COMM_WORLD.getSize() > 1: 410 del TestDA_1D_W0 411 del TestDA_2D_W0, TestDA_2D_W0_N2 412 del TestDA_3D_W0, TestDA_3D_W0_N2 413 414# -------------------------------------------------------------------- 415 416if __name__ == '__main__': 417 unittest.main() 418 419# -------------------------------------------------------------------- 420