lp_interior_point.cpp 59.8 KB
 André Anjos committed Dec 04, 2013 1 2 3 4 5 6 7 8 9 10 11 ``````/** * @file math/python/LPInteriorPoint.cc * @date Fri Jan 27 21:06:59 2012 +0100 * @author Laurent El Shafey * * @brief Binds the interior point methods which allow to solve a * Linear Programming problem (LP). * * Copyright (C) 2011-2013 Idiap Research Institute, Martigny, Switzerland */ `````` André Anjos committed Dec 09, 2013 12 13 ``````#include "lp_interior_point.h" #include `````` André Anjos committed Dec 04, 2013 14 ``````#include `````` André Anjos committed Dec 09, 2013 15 ``````#include `````` André Anjos committed Dec 04, 2013 16 `````` `````` André Anjos committed Dec 10, 2013 17 18 19 20 ``````/************************************************ * Implementation of LPInteriorPoint base class * ************************************************/ `````` André Anjos committed Dec 09, 2013 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 ``````PyDoc_STRVAR(s_lpinteriorpoint_str, XBOB_EXT_MODULE_PREFIX ".LPInteriorPoint"); PyDoc_STRVAR(s_lpinteriorpoint_doc, "Base class to solve a linear program using interior point methods.\n\ For more details about the algorithms,please refer to the following\n\ book: *\"Primal-Dual Interior-Point Methods\", Stephen J. Wright,\n\ ISBN: 978-0898713824, Chapter 5, \"Path-Following Algorithms\"*.\n\ \n\ .. warning::\n\ \n\ You cannot instantiate an object of this type directly, you must\n\ use it through one of the inherited types.\n\ \n\ The primal linear program (LP) is defined as follows:\n\ \n\ min transpose(c)*x, s.t. A*x=b, x>=0\n\ \n\ The dual formulation is:\n\ \n\ min transpose(b)*lambda, s.t. transpose(A)*lambda+mu=c\n\ \n\ "); /* Type definition for PyBobMathLpInteriorPointObject */ typedef struct { PyObject_HEAD /* Type-specific fields go here. */ `````` André Anjos committed Dec 10, 2013 49 `````` bob::math::LPInteriorPoint* base; `````` André Anjos committed Dec 09, 2013 50 51 52 53 54 55 `````` } PyBobMathLpInteriorPointObject; static int PyBobMathLpInteriorPoint_init(PyBobMathLpInteriorPointObject* self, PyObject*, PyObject*) { `````` André Anjos committed Dec 10, 2013 56 `````` PyErr_Format(PyExc_NotImplementedError, "cannot initialize object of base type `%s' - use one of the inherited classes", s_lpinteriorpoint_str); `````` André Anjos committed Dec 09, 2013 57 58 `````` return -1; `````` André Anjos committed Dec 04, 2013 59 60 ``````} `````` André Anjos committed Dec 10, 2013 61 ``````PyDoc_STRVAR(s_M_str, "m"); `````` André Anjos committed Dec 09, 2013 62 63 64 65 ``````PyDoc_STRVAR(s_M_doc, "The first dimension of the problem/A matrix" ); `````` André Anjos committed Dec 10, 2013 66 67 ``````static PyObject* PyBobMathLpInteriorPoint_getM (PyBobMathLpInteriorPointObject* self, void* /*closure*/) { `````` André Anjos committed Dec 09, 2013 68 `````` return Py_BuildValue("n", self->base->getDimM()); `````` André Anjos committed Dec 04, 2013 69 70 ``````} `````` André Anjos committed Dec 10, 2013 71 72 73 74 75 76 77 78 79 80 81 82 83 84 ``````static int PyBobMathLpInteriorPoint_setM (PyBobMathLpInteriorPointObject* self, PyObject* o, void* /*closure*/) { Py_ssize_t M = PyNumber_AsSsize_t(o, PyExc_OverflowError); if (PyErr_Occurred()) return -1; try { self->base->setDimM(M); } catch (std::exception& e) { PyErr_SetString(PyExc_RuntimeError, e.what()); return -1; } catch (...) { `````` André Anjos committed Dec 10, 2013 85 `````` PyErr_Format(PyExc_RuntimeError, "cannot reset size M of `%s': unknown exception caught", s_lpinteriorpoint_str); `````` André Anjos committed Dec 10, 2013 86 87 88 89 90 91 92 `````` return -1; } return 0; } `````` André Anjos committed Dec 10, 2013 93 ``````PyDoc_STRVAR(s_N_str, "n"); `````` André Anjos committed Dec 09, 2013 94 95 96 97 ``````PyDoc_STRVAR(s_N_doc, "The second dimension of the problem/A matrix" ); `````` André Anjos committed Dec 10, 2013 98 99 ``````static PyObject* PyBobMathLpInteriorPoint_getN (PyBobMathLpInteriorPointObject* self, void* /*closure*/) { `````` André Anjos committed Dec 09, 2013 100 101 102 `````` return Py_BuildValue("n", self->base->getDimN()); } `````` André Anjos committed Dec 10, 2013 103 104 105 106 107 108 109 110 111 112 113 114 115 116 ``````static int PyBobMathLpInteriorPoint_setN (PyBobMathLpInteriorPointObject* self, PyObject* o, void* /*closure*/) { Py_ssize_t N = PyNumber_AsSsize_t(o, PyExc_OverflowError); if (PyErr_Occurred()) return -1; try { self->base->setDimN(N); } catch (std::exception& e) { PyErr_SetString(PyExc_RuntimeError, e.what()); return -1; } catch (...) { `````` André Anjos committed Dec 10, 2013 117 `````` PyErr_Format(PyExc_RuntimeError, "cannot reset size N of `%s': unknown exception caught", s_lpinteriorpoint_str); `````` André Anjos committed Dec 10, 2013 118 119 120 121 122 123 124 `````` return -1; } return 0; } `````` André Anjos committed Dec 09, 2013 125 126 127 128 129 ``````PyDoc_STRVAR(s_epsilon_str, "epsilon"); PyDoc_STRVAR(s_epsilon_doc, "The precision to determine whether an equality constraint is fulfilled or not" ); `````` André Anjos committed Dec 10, 2013 130 ``````static PyObject* PyBobMathLpInteriorPoint_getEpsilon (PyBobMathLpInteriorPointObject* self, void* /*closure*/) { `````` André Anjos committed Dec 09, 2013 131 132 133 `````` return Py_BuildValue("d", self->base->getEpsilon()); } `````` André Anjos committed Dec 10, 2013 134 135 136 137 138 139 140 141 142 143 144 145 146 147 ``````static int PyBobMathLpInteriorPoint_setEpsilon (PyBobMathLpInteriorPointObject* self, PyObject* o, void* /*closure*/) { double e = PyFloat_AsDouble(o); if (PyErr_Occurred()) return -1; try { self->base->setEpsilon(e); } catch (std::exception& ex) { PyErr_SetString(PyExc_RuntimeError, ex.what()); return -1; } catch (...) { `````` André Anjos committed Dec 10, 2013 148 `````` PyErr_Format(PyExc_RuntimeError, "cannot reset `epsilon' of `%s': unknown exception caught", s_lpinteriorpoint_str); `````` André Anjos committed Dec 10, 2013 149 150 151 152 153 154 155 `````` return -1; } return 0; } `````` André Anjos committed Dec 10, 2013 156 ``````PyDoc_STRVAR(s_lambda_str, "lambda_"); `````` André Anjos committed Dec 09, 2013 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 ``````PyDoc_STRVAR(s_lambda_doc, "The value of the lambda dual variable (read-only)" ); static PyObject* PyBobMathLpInteriorPoint_lambda (PyBobMathLpInteriorPointObject* self) { Py_ssize_t length = self->base->getDimM(); PyObject* retval = PyBlitzArray_SimpleNew(NPY_FLOAT64, 1, &length); if (!retval) return 0; blitz::Array* wrapper = PyBlitzArrayCxx_AsBlitz (reinterpret_cast(retval)); (*wrapper) = self->base->getLambda(); return retval; } PyDoc_STRVAR(s_mu_str, "mu"); PyDoc_STRVAR(s_mu_doc, "The value of the mu dual variable (read-only)" ); static PyObject* PyBobMathLpInteriorPoint_mu (PyBobMathLpInteriorPointObject* self) { Py_ssize_t length = self->base->getDimN(); PyObject* retval = PyBlitzArray_SimpleNew(NPY_FLOAT64, 1, &length); if (!retval) return 0; blitz::Array* wrapper = PyBlitzArrayCxx_AsBlitz (reinterpret_cast(retval)); (*wrapper) = self->base->getMu(); return retval; } static PyGetSetDef PyBobMathLpInteriorPoint_getseters[] = { { s_M_str, `````` André Anjos committed Dec 10, 2013 193 194 `````` (getter)PyBobMathLpInteriorPoint_getM, (setter)PyBobMathLpInteriorPoint_setM, `````` André Anjos committed Dec 09, 2013 195 196 197 198 199 `````` s_M_doc, 0 }, { s_N_str, `````` André Anjos committed Dec 10, 2013 200 201 `````` (getter)PyBobMathLpInteriorPoint_getN, (setter)PyBobMathLpInteriorPoint_setN, `````` André Anjos committed Dec 09, 2013 202 203 204 205 206 `````` s_N_doc, 0 }, { s_epsilon_str, `````` André Anjos committed Dec 10, 2013 207 208 `````` (getter)PyBobMathLpInteriorPoint_getEpsilon, (setter)PyBobMathLpInteriorPoint_setEpsilon, `````` André Anjos committed Dec 09, 2013 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 `````` s_epsilon_doc, 0 }, { s_lambda_str, (getter)PyBobMathLpInteriorPoint_lambda, 0, s_lambda_doc, 0 }, { s_mu_str, (getter)PyBobMathLpInteriorPoint_mu, 0, s_mu_doc, 0 }, {0} /* Sentinel */ }; PyDoc_STRVAR(s_reset_str, "reset"); PyDoc_STRVAR(s_reset_doc, "o.reset(M, N) -> None\n\ \n\ Resets the size of the problem (M and N correspond to the dimensions of the\n\ A matrix"); static PyObject* PyBobMathLpInteriorPoint_reset (PyBobMathLpInteriorPointObject* self, PyObject *args, PyObject* kwds) { /* Parses input arguments in a single shot */ static const char* const_kwlist[] = {"M", "N", 0}; static char** kwlist = const_cast(const_kwlist); Py_ssize_t M = 0; Py_ssize_t N = 0; if (!PyArg_ParseTupleAndKeywords(args, kwds, "nn", kwlist, &M, &N)) return 0; try { self->base->reset(M, N); } catch (std::exception& e) { PyErr_SetString(PyExc_RuntimeError, e.what()); return 0; } catch (...) { `````` André Anjos committed Dec 10, 2013 256 `````` PyErr_Format(PyExc_RuntimeError, "cannot reset `%s': unknown exception caught", s_lpinteriorpoint_str); `````` André Anjos committed Dec 09, 2013 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 `````` return 0; } Py_RETURN_NONE; } PyDoc_STRVAR(s_solve_str, "solve"); PyDoc_STRVAR(s_solve_doc, "o.solve(A, b, c, x0, [lambda, mu]) -> x\n\ \n\ Solves an LP problem\n\ "); static PyObject* PyBobMathLpInteriorPoint_solve (PyBobMathLpInteriorPointObject* self, PyObject *args, PyObject* kwds) { /* Parses input arguments in a single shot */ static const char* const_kwlist[] = {"A", "b", "c", "x0", "lambda", "mu", 0}; static char** kwlist = const_cast(const_kwlist); PyBlitzArrayObject* A = 0; PyBlitzArrayObject* b = 0; PyBlitzArrayObject* c = 0; PyBlitzArrayObject* x0 = 0; PyBlitzArrayObject* lambda = 0; PyBlitzArrayObject* mu = 0; if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&O&O&O&|O&O&", kwlist, &PyBlitzArray_Converter, &A, &PyBlitzArray_Converter, &b, &PyBlitzArray_Converter, &c, &PyBlitzArray_Converter, &x0, &PyBlitzArray_Converter, &lambda, &PyBlitzArray_Converter, &mu )) return 0; if (A->type_num != NPY_FLOAT64 || A->ndim != 2) { PyErr_SetString(PyExc_TypeError, "Linear program solver only supports 64-bit floats 2D arrays for input vector `A'"); Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x0); Py_XDECREF(lambda); Py_XDECREF(mu); return 0; } if (b->type_num != NPY_FLOAT64 || b->ndim != 1) { PyErr_SetString(PyExc_TypeError, "Linear program solver only supports 64-bit floats 1D arrays for input vector `b'"); Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x0); Py_XDECREF(lambda); Py_XDECREF(mu); return 0; } if (c->type_num != NPY_FLOAT64 || c->ndim != 1) { PyErr_SetString(PyExc_TypeError, "Linear program solver only supports 64-bit floats 1D arrays for input vector `c'"); Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x0); Py_XDECREF(lambda); Py_XDECREF(mu); return 0; } if (x0->type_num != NPY_FLOAT64 || x0->ndim != 1) { PyErr_SetString(PyExc_TypeError, "Linear program solver only supports 64-bit floats 1D arrays for input vector `x0'"); Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x0); Py_XDECREF(lambda); Py_XDECREF(mu); return 0; } `````` André Anjos committed Dec 10, 2013 338 `````` if (lambda && (lambda->type_num != NPY_FLOAT64 || lambda->ndim != 1)) { `````` André Anjos committed Dec 09, 2013 339 340 341 342 343 344 345 346 347 348 `````` PyErr_SetString(PyExc_TypeError, "Linear program solver only supports 64-bit floats 1D arrays for input vector `lambda'"); Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x0); Py_XDECREF(lambda); Py_XDECREF(mu); return 0; } `````` André Anjos committed Dec 10, 2013 349 `````` if (mu && (mu->type_num != NPY_FLOAT64 || mu->ndim != 1)) { `````` André Anjos committed Dec 09, 2013 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 `````` PyErr_SetString(PyExc_TypeError, "Linear program solver only supports 64-bit floats 1D arrays for input vector `mu'"); Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x0); Py_XDECREF(lambda); Py_XDECREF(mu); return 0; } if ( (lambda && !mu) || (mu && !lambda) ) { PyErr_SetString(PyExc_RuntimeError, "Linear program solver requires none or both `mu' and `lambda' - you cannot just specify one of them"); Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x0); Py_XDECREF(lambda); Py_XDECREF(mu); return 0; } /* This is where the output is going to be stored */ PyObject* retval = PyBlitzArray_SimpleNew(NPY_FLOAT64, x0->ndim, x0->shape); if (!retval) { Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x0); Py_XDECREF(lambda); Py_XDECREF(mu); return 0; } blitz::Array* wrapper = PyBlitzArrayCxx_AsBlitz(reinterpret_cast(retval)); (*wrapper) = *PyBlitzArrayCxx_AsBlitz(x0); Py_DECREF(x0); try { if (lambda && mu) { self->base->solve( *PyBlitzArrayCxx_AsBlitz(A), *PyBlitzArrayCxx_AsBlitz(b), *PyBlitzArrayCxx_AsBlitz(c), *wrapper, *PyBlitzArrayCxx_AsBlitz(lambda), *PyBlitzArrayCxx_AsBlitz(mu) ); } else { self->base->solve( *PyBlitzArrayCxx_AsBlitz(A), *PyBlitzArrayCxx_AsBlitz(b), *PyBlitzArrayCxx_AsBlitz(c), *wrapper ); } } catch (std::exception& e) { PyErr_SetString(PyExc_RuntimeError, e.what()); } catch (...) { `````` André Anjos committed Dec 10, 2013 410 `````` PyErr_Format(PyExc_RuntimeError, "cannot solve `%s': unknown exception caught", s_lpinteriorpoint_str); `````` André Anjos committed Dec 09, 2013 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 `````` } Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_XDECREF(lambda); Py_XDECREF(mu); if (PyErr_Occurred()) { Py_DECREF(retval); return 0; } /* We only "return" the first half of the `x' vector */ (reinterpret_cast(retval))->shape[0] /= 2; return retval; } PyDoc_STRVAR(s_is_feasible_str, "is_feasible"); PyDoc_STRVAR(s_is_feasible_doc, "o.is_feasible(A, b, c, x, lambda, mu) -> bool\n\ \n\ Checks if a primal-dual point (x,lambda,mu) belongs to the set of\n\ feasible point (i.e. fulfill the constraints)\n\ \n\ "); static PyObject* PyBobMathLpInteriorPoint_is_feasible (PyBobMathLpInteriorPointObject* self, PyObject *args, PyObject* kwds) { /* Parses input arguments in a single shot */ static const char* const_kwlist[] = {"A", "b", "c", "x", "lambda", "mu", 0}; static char** kwlist = const_cast(const_kwlist); PyBlitzArrayObject* A = 0; PyBlitzArrayObject* b = 0; PyBlitzArrayObject* c = 0; PyBlitzArrayObject* x = 0; PyBlitzArrayObject* lambda = 0; PyBlitzArrayObject* mu = 0; if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&O&O&O&O&O&", kwlist, &PyBlitzArray_Converter, &A, &PyBlitzArray_Converter, &b, &PyBlitzArray_Converter, &c, &PyBlitzArray_Converter, &x, &PyBlitzArray_Converter, &lambda, &PyBlitzArray_Converter, &mu )) return 0; if (A->type_num != NPY_FLOAT64 || A->ndim != 2) { PyErr_SetString(PyExc_TypeError, "Linear program is_feasible only supports 64-bit floats 2D arrays for input vector `A'"); Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x); Py_DECREF(lambda); Py_DECREF(mu); return 0; } if (b->type_num != NPY_FLOAT64 || b->ndim != 1) { PyErr_SetString(PyExc_TypeError, "Linear program is_feasible only supports 64-bit floats 1D arrays for input vector `b'"); Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x); Py_DECREF(lambda); Py_DECREF(mu); return 0; } if (c->type_num != NPY_FLOAT64 || c->ndim != 1) { PyErr_SetString(PyExc_TypeError, "Linear program is_feasible only supports 64-bit floats 1D arrays for input vector `c'"); Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x); Py_DECREF(lambda); Py_DECREF(mu); return 0; } if (x->type_num != NPY_FLOAT64 || x->ndim != 1) { PyErr_SetString(PyExc_TypeError, "Linear program is_feasible only supports 64-bit floats 1D arrays for input vector `x0'"); Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x); Py_DECREF(lambda); Py_DECREF(mu); return 0; } if (lambda->type_num != NPY_FLOAT64 || lambda->ndim != 1) { PyErr_SetString(PyExc_TypeError, "Linear program is_feasible only supports 64-bit floats 1D arrays for input vector `lambda'"); Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x); Py_DECREF(lambda); Py_DECREF(mu); return 0; } if (mu->type_num != NPY_FLOAT64 || mu->ndim != 1) { PyErr_SetString(PyExc_TypeError, "Linear program is_feasible only supports 64-bit floats 1D arrays for input vector `mu'"); Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x); Py_DECREF(lambda); Py_DECREF(mu); return 0; } bool feasible = false; try { feasible = self->base->isFeasible( *PyBlitzArrayCxx_AsBlitz(A), *PyBlitzArrayCxx_AsBlitz(b), *PyBlitzArrayCxx_AsBlitz(c), *PyBlitzArrayCxx_AsBlitz(x), *PyBlitzArrayCxx_AsBlitz(lambda), *PyBlitzArrayCxx_AsBlitz(mu) ); } catch (std::exception& e) { PyErr_SetString(PyExc_RuntimeError, e.what()); } catch (...) { `````` André Anjos committed Dec 10, 2013 544 `````` PyErr_Format(PyExc_RuntimeError, "cannot check feasibility of `%s': unknown exception caught", s_lpinteriorpoint_str); `````` André Anjos committed Dec 09, 2013 545 546 547 548 549 550 551 552 553 `````` } Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x); Py_DECREF(lambda); Py_DECREF(mu); `````` André Anjos committed Dec 10, 2013 554 555 `````` if (PyErr_Occurred()) return 0; `````` André Anjos committed Dec 09, 2013 556 557 558 559 560 561 562 563 564 `````` if (feasible) Py_RETURN_TRUE; Py_RETURN_FALSE; } PyDoc_STRVAR(s_is_in_v_str, "is_in_v"); PyDoc_STRVAR(s_is_in_v_doc, "o.is_in_v(x, mu, theta) -> bool\n\ \n\ `````` André Anjos committed Dec 10, 2013 565 ``````Checks if a primal-dual point (x,lambda,mu) belongs to the V2\n\ `````` André Anjos committed Dec 09, 2013 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 ``````neighborhood of the central path.\n\ \n\ "); static PyObject* PyBobMathLpInteriorPoint_is_in_v (PyBobMathLpInteriorPointObject* self, PyObject *args, PyObject* kwds) { /* Parses input arguments in a single shot */ static const char* const_kwlist[] = {"x", "mu", "theta", 0}; static char** kwlist = const_cast(const_kwlist); PyBlitzArrayObject* x = 0; PyBlitzArrayObject* mu = 0; double theta = 0.; if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&O&d", kwlist, &PyBlitzArray_Converter, &x, &PyBlitzArray_Converter, &mu, &theta )) return 0; if (x->type_num != NPY_FLOAT64 || x->ndim != 1) { PyErr_SetString(PyExc_TypeError, "Linear program is_in_v only supports 64-bit floats 1D arrays for input vector `x0'"); Py_DECREF(x); Py_DECREF(mu); return 0; } if (mu->type_num != NPY_FLOAT64 || mu->ndim != 1) { PyErr_SetString(PyExc_TypeError, "Linear program is_in_v only supports 64-bit floats 1D arrays for input vector `mu'"); Py_DECREF(x); Py_DECREF(mu); return 0; } bool in_v = false; try { in_v = self->base->isInV( *PyBlitzArrayCxx_AsBlitz(x), *PyBlitzArrayCxx_AsBlitz(mu), theta ); } catch (std::exception& e) { PyErr_SetString(PyExc_RuntimeError, e.what()); } catch (...) { `````` André Anjos committed Dec 10, 2013 614 `````` PyErr_Format(PyExc_RuntimeError, "cannot check if point is in V at `%s': unknown exception caught", s_lpinteriorpoint_str); `````` André Anjos committed Dec 09, 2013 615 616 617 618 619 `````` } Py_DECREF(x); Py_DECREF(mu); `````` André Anjos committed Dec 10, 2013 620 621 `````` if (PyErr_Occurred()) return 0; `````` André Anjos committed Dec 09, 2013 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 `````` if (in_v) Py_RETURN_TRUE; Py_RETURN_FALSE; } PyDoc_STRVAR(s_is_in_v_s_str, "is_in_v_s"); PyDoc_STRVAR(s_is_in_v_s_doc, "o.is_in_v_s(A, b, c, x, lambda, mu) -> bool\n\ \n\ Checks if a primal-dual point (x,lambda,mu) belongs to the V\n\ neighborhood of the central path and the set of feasible points.\n\ \n\ "); static PyObject* PyBobMathLpInteriorPoint_is_in_v_s (PyBobMathLpInteriorPointObject* self, PyObject *args, PyObject* kwds) { /* Parses input arguments in a single shot */ static const char* const_kwlist[] = {"A", "b", "c", "x", "lambda", "mu", "theta", 0}; static char** kwlist = const_cast(const_kwlist); PyBlitzArrayObject* A = 0; PyBlitzArrayObject* b = 0; PyBlitzArrayObject* c = 0; PyBlitzArrayObject* x = 0; PyBlitzArrayObject* lambda = 0; PyBlitzArrayObject* mu = 0; double theta = 0.; if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&O&O&O&O&O&d", kwlist, &PyBlitzArray_Converter, &A, &PyBlitzArray_Converter, &b, &PyBlitzArray_Converter, &c, &PyBlitzArray_Converter, &x, &PyBlitzArray_Converter, &lambda, &PyBlitzArray_Converter, &mu, &theta )) return 0; if (A->type_num != NPY_FLOAT64 || A->ndim != 2) { PyErr_SetString(PyExc_TypeError, "Linear program is_in_v_s only supports 64-bit floats 2D arrays for input vector `A'"); Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x); Py_DECREF(lambda); Py_DECREF(mu); return 0; } if (b->type_num != NPY_FLOAT64 || b->ndim != 1) { PyErr_SetString(PyExc_TypeError, "Linear program is_in_v_s only supports 64-bit floats 1D arrays for input vector `b'"); Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x); Py_DECREF(lambda); Py_DECREF(mu); return 0; } if (c->type_num != NPY_FLOAT64 || c->ndim != 1) { PyErr_SetString(PyExc_TypeError, "Linear program is_in_v_s only supports 64-bit floats 1D arrays for input vector `c'"); Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x); Py_DECREF(lambda); Py_DECREF(mu); return 0; } if (x->type_num != NPY_FLOAT64 || x->ndim != 1) { PyErr_SetString(PyExc_TypeError, "Linear program is_in_v_s only supports 64-bit floats 1D arrays for input vector `x0'"); Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x); Py_DECREF(lambda); Py_DECREF(mu); return 0; } if (lambda->type_num != NPY_FLOAT64 || lambda->ndim != 1) { PyErr_SetString(PyExc_TypeError, "Linear program is_in_v_s only supports 64-bit floats 1D arrays for input vector `lambda'"); Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x); Py_DECREF(lambda); Py_DECREF(mu); return 0; } if (mu->type_num != NPY_FLOAT64 || mu->ndim != 1) { PyErr_SetString(PyExc_TypeError, "Linear program is_in_v_s only supports 64-bit floats 1D arrays for input vector `mu'"); Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x); Py_DECREF(lambda); Py_DECREF(mu); return 0; } bool in_v_s = false; try { in_v_s = self->base->isInVS( *PyBlitzArrayCxx_AsBlitz(A), *PyBlitzArrayCxx_AsBlitz(b), *PyBlitzArrayCxx_AsBlitz(c), *PyBlitzArrayCxx_AsBlitz(x), *PyBlitzArrayCxx_AsBlitz(lambda), *PyBlitzArrayCxx_AsBlitz(mu), theta ); } catch (std::exception& e) { PyErr_SetString(PyExc_RuntimeError, e.what()); } catch (...) { `````` André Anjos committed Dec 10, 2013 744 `````` PyErr_Format(PyExc_RuntimeError, "cannot check if point is in VS at `%s': unknown exception caught", s_lpinteriorpoint_str); `````` André Anjos committed Dec 09, 2013 745 746 747 748 749 750 751 752 753 `````` } Py_DECREF(A); Py_DECREF(b); Py_DECREF(c); Py_DECREF(x); Py_DECREF(lambda); Py_DECREF(mu); `````` André Anjos committed Dec 10, 2013 754 755 `````` if (PyErr_Occurred()) return 0; `````` André Anjos committed Dec 09, 2013 756 757 758 `````` if (in_v_s) Py_RETURN_TRUE; Py_RETURN_FALSE; `````` André Anjos committed Dec 04, 2013 759 760 ``````} `````` André Anjos committed Dec 10, 2013 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 ``````PyDoc_STRVAR(s_initialize_dual_lambda_mu_str, "initialize_dual_lambda_mu"); PyDoc_STRVAR(s_initialize_dual_lambda_mu_doc, "o.initialize_dual_lambda_mu(A, c) -> None\n\ \n\ Initializes the dual variables `lambda' and `mu' by minimizing the\n\ logarithmic barrier function.\n\ \n\ "); static PyObject* PyBobMathLpInteriorPoint_initialize_dual_lambda_mu (PyBobMathLpInteriorPointObject* self, PyObject *args, PyObject* kwds) { /* Parses input arguments in a single shot */ static const char* const_kwlist[] = {"A", "c", 0}; static char** kwlist = const_cast(const_kwlist); PyBlitzArrayObject* A = 0; PyBlitzArrayObject* c = 0; `````` André Anjos committed Dec 10, 2013 780 `````` if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&O&", kwlist, `````` André Anjos committed Dec 10, 2013 781 `````` &PyBlitzArray_Converter, &A, `````` André Anjos committed Dec 10, 2013 782 `````` &PyBlitzArray_Converter, &c `````` André Anjos committed Dec 10, 2013 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 `````` )) return 0; if (A->type_num != NPY_FLOAT64 || A->ndim != 2) { PyErr_SetString(PyExc_TypeError, "Linear program initialize_dual_lambda_mu only supports 64-bit floats 2D arrays for input vector `A'"); Py_DECREF(A); Py_DECREF(c); return 0; } if (c->type_num != NPY_FLOAT64 || c->ndim != 1) { PyErr_SetString(PyExc_TypeError, "Linear program initialize_dual_lambda_mu only supports 64-bit floats 1D arrays for input vector `c'"); Py_DECREF(A); Py_DECREF(c); return 0; } try { self->base->initializeDualLambdaMu( *PyBlitzArrayCxx_AsBlitz(A), *PyBlitzArrayCxx_AsBlitz(c) ); } catch (std::exception& e) { PyErr_SetString(PyExc_RuntimeError, e.what()); } catch (...) { `````` André Anjos committed Dec 10, 2013 809 `````` PyErr_Format(PyExc_RuntimeError, "cannot initialize dual lambda-mu at `%s': unknown exception caught", s_lpinteriorpoint_str); `````` André Anjos committed Dec 10, 2013 810 811 812 813 814 815 816 817 818 819 820 `````` } Py_DECREF(A); Py_DECREF(c); if (PyErr_Occurred()) return 0; Py_RETURN_NONE; } `````` André Anjos committed Dec 09, 2013 821 822 823 824 ``````static PyMethodDef PyBobMathLpInteriorPoint_methods[] = { { s_reset_str, (PyCFunction)PyBobMathLpInteriorPoint_reset, `````` André Anjos committed Dec 10, 2013 825 `````` METH_VARARGS|METH_KEYWORDS, `````` André Anjos committed Dec 09, 2013 826 827 828 829 830 `````` s_reset_doc }, { s_solve_str, (PyCFunction)PyBobMathLpInteriorPoint_solve, `````` André Anjos committed Dec 10, 2013 831 `````` METH_VARARGS|METH_KEYWORDS, `````` André Anjos committed Dec 09, 2013 832 833 834 835 836 `````` s_solve_doc }, { s_is_feasible_str, (PyCFunction)PyBobMathLpInteriorPoint_is_feasible, `````` André Anjos committed Dec 10, 2013 837 `````` METH_VARARGS|METH_KEYWORDS, `````` André Anjos committed Dec 09, 2013 838 839 840 841 842 `````` s_is_feasible_doc }, { s_is_in_v_str, (PyCFunction)PyBobMathLpInteriorPoint_is_in_v, `````` André Anjos committed Dec 10, 2013 843 `````` METH_VARARGS|METH_KEYWORDS, `````` André Anjos committed Dec 09, 2013 844 845 846 847 848 `````` s_is_in_v_doc }, { s_is_in_v_s_str, (PyCFunction)PyBobMathLpInteriorPoint_is_in_v_s, `````` André Anjos committed Dec 10, 2013 849 `````` METH_VARARGS|METH_KEYWORDS, `````` André Anjos committed Dec 09, 2013 850 851 `````` s_is_in_v_s_doc }, `````` André Anjos committed Dec 10, 2013 852 853 854 `````` { s_initialize_dual_lambda_mu_str, (PyCFunction)PyBobMathLpInteriorPoint_initialize_dual_lambda_mu, `````` André Anjos committed Dec 10, 2013 855 `````` METH_VARARGS|METH_KEYWORDS, `````` André Anjos committed Dec 10, 2013 856 857 `````` s_initialize_dual_lambda_mu_doc }, `````` André Anjos committed Dec 09, 2013 858 859 860 `````` {0} /* Sentinel */ }; `````` André Anjos committed Dec 10, 2013 861 862 863 864 865 866 867 868 869 870 871 872 873 ``````static int PyBobMathLpInteriorPoint_Check(PyObject* o) { return PyObject_IsInstance(o, reinterpret_cast(&PyBobMathLpInteriorPoint_Type)); } static PyObject* PyBobMathLpInteriorPoint_RichCompare (PyBobMathLpInteriorPointObject* self, PyObject* other, int op) { if (!PyBobMathLpInteriorPoint_Check(other)) { PyErr_Format(PyExc_TypeError, "cannot compare `%s' with `%s'", s_lpinteriorpoint_str, other->ob_type->tp_name); return 0; } PyBobMathLpInteriorPointObject* other_ = reinterpret_cast(other); `````` André Anjos committed Dec 10, 2013 874 875 876 `````` switch (op) { case Py_EQ: `````` André Anjos committed Dec 10, 2013 877 `````` if (*(self->base) == *(other_->base)) Py_RETURN_TRUE; `````` André Anjos committed Dec 10, 2013 878 879 880 `````` Py_RETURN_FALSE; break; case Py_NE: `````` André Anjos committed Dec 10, 2013 881 `````` if (*(self->base) != *(other_->base)) Py_RETURN_TRUE; `````` André Anjos committed Dec 10, 2013 882 883 884 885 886 887 888 889 890 `````` Py_RETURN_FALSE; break; default: Py_INCREF(Py_NotImplemented); return Py_NotImplemented; } } `````` André Anjos committed Dec 09, 2013 891 892 ``````PyTypeObject PyBobMathLpInteriorPoint_Type = { PyObject_HEAD_INIT(0) `````` André Anjos committed Dec 10, 2013 893 894 895 896 `````` 0, /*ob_size*/ s_lpinteriorpoint_str, /*tp_name*/ sizeof(PyBobMathLpInteriorPointObject), /*tp_basicsize*/ 0, /*tp_itemsize*/ `````` André Anjos committed Dec 10, 2013 897 `````` 0, /*tp_dealloc*/ `````` André Anjos committed Dec 10, 2013 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 `````` 0, /*tp_print*/ 0, /*tp_getattr*/ 0, /*tp_setattr*/ 0, /*tp_compare*/ 0, /*tp_repr*/ 0, /*tp_as_number*/ 0, /*tp_as_sequence*/ 0, /*tp_as_mapping*/ 0, /*tp_hash */ 0, /*tp_call*/ 0, /*tp_str*/ 0, /*tp_getattro*/ 0, /*tp_setattro*/ 0, /*tp_as_buffer*/ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ s_lpinteriorpoint_doc, /* tp_doc */ 0, /* tp_traverse */ 0, /* tp_clear */ (richcmpfunc)PyBobMathLpInteriorPoint_RichCompare, /* tp_richcompare */ 0, /* tp_weaklistoffset */ 0, /* tp_iter */ 0, /* tp_iternext */ PyBobMathLpInteriorPoint_methods, /* tp_methods */ 0, /* tp_members */ PyBobMathLpInteriorPoint_getseters, /* tp_getset */ 0, /* tp_base */ 0, /* tp_dict */ 0, /* tp_descr_get */ 0, /* tp_descr_set */ 0, /* tp_dictoffset */ (initproc)PyBobMathLpInteriorPoint_init, /* tp_init */ 0, /* tp_alloc */ `````` André Anjos committed Dec 10, 2013 930 931 932 933 934 935 936 937 938 939 940 `````` 0, /* tp_new */ }; /**************************************************** * Implementation of LPInteriorPointShortstep class * ****************************************************/ PyDoc_STRVAR(s_lpinteriorpointshortstep_str, XBOB_EXT_MODULE_PREFIX ".LPInteriorPointShortstep"); PyDoc_STRVAR(s_lpinteriorpointshortstep_doc, "LPInteriorPointShortstep(M, N, theta, epsilon) -> new LPInteriorPointShortstep\n\ `````` André Anjos committed Dec 10, 2013 941 ``````LPInteriorPointShortstep(solver) -> new LPInteriorPointShortstep\n\ `````` André Anjos committed Dec 10, 2013 942 943 944 945 946 ``````\n\ A Linear Program solver based on a short step interior point method.\n\ \n\ See :py:class:`LPInteriorPoint` for more details on the base class.\n\ \n\ `````` André Anjos committed Dec 10, 2013 947 948 949 950 951 ``````Objects of this class can be initialized in two different ways: a\n\ detailed constructor with the parameters described below or a copy\n\ constructor, that deep-copies the input object and creates a new\n\ object (**not** a new reference to the same object).\n\ \n\ `````` André Anjos committed Dec 10, 2013 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 ``````Constructor parameters:\n\ \n\ M\n\ (int) first dimension of the A matrix\n\ \n\ N\n\ (int) second dimension of the A matrix\n\ \n\ theta\n\ (float) theta The value defining the size of the V2 neighborhood\n\ \n\ epsilon\n\ (float) The precision to determine whether an equality constraint\n\ is fulfilled or not.\n\ \n\ "); /* Type definition for PyBobMathLpInteriorPointObject */ typedef struct { PyBobMathLpInteriorPointObject parent; /* Type-specific fields go here. */ bob::math::LPInteriorPointShortstep* base; } PyBobMathLpInteriorPointShortstepObject; `````` André Anjos committed Dec 10, 2013 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 ``````static int PyBobMathLpInteriorPointShortstep_Check(PyObject* o) { return PyObject_IsInstance(o, reinterpret_cast(&PyBobMathLpInteriorPointShortstep_Type)); } static int PyBobMathLpInteriorPointShortstep_init1(PyBobMathLpInteriorPointShortstepObject* self, PyObject* args, PyObject* kwds) { /* Parses input arguments in a single shot */ static const char* const_kwlist[] = {"solver", 0}; static char** kwlist = const_cast(const_kwlist); PyObject* solver = 0; if (!PyArg_ParseTupleAndKeywords(args, kwds, "O", kwlist, &solver)) return -1; if (!PyBobMathLpInteriorPointShortstep_Check(solver)) { PyErr_Format(PyExc_TypeError, "copy-constructor for %s requires an object of the same type, not %s", s_lpinteriorpointshortstep_str, solver->ob_type->tp_name); return -1; } PyBobMathLpInteriorPointShortstepObject* other = reinterpret_cast(solver); try { self->base = new bob::math::LPInteriorPointShortstep(*other->base); } catch (std::exception& ex) { PyErr_SetString(PyExc_RuntimeError, ex.what()); } catch (...) { PyErr_Format(PyExc_RuntimeError, "cannot deep-copy object of type %s: unknown exception caught", s_lpinteriorpointshortstep_str); } self->parent.base = self->base; if (PyErr_Occurred()) return -1; return 0; } static int PyBobMathLpInteriorPointShortstep_init4(PyBobMathLpInteriorPointShortstepObject* self, PyObject* args, PyObject* kwds) { `````` André Anjos committed Dec 10, 2013 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 `````` /* Parses input arguments in a single shot */ static const char* const_kwlist[] = {"M", "N", "theta", "epsilon", 0}; static char** kwlist = const_cast(const_kwlist); Py_ssize_t M = 0; Py_ssize_t N = 0; double theta = 0.; double epsilon = 0.; if (!PyArg_ParseTupleAndKeywords(args, kwds, "nndd", kwlist, &M, &N, &theta, &epsilon)) return -1; `````` André Anjos committed Dec 10, 2013 1031 1032 1033 1034 1035 `````` try { self->base = new bob::math::LPInteriorPointShortstep(M, N, theta, epsilon); } catch (std::exception& ex) { PyErr_SetString(PyExc_RuntimeError, ex.what()); `````` André Anjos committed Dec 10, 2013 1036 1037 `````` return -1; } `````` André Anjos committed Dec 10, 2013 1038 1039 1040 1041 1042 `````` catch (...) { PyErr_Format(PyExc_RuntimeError, "cannot construct object of type %s: unknown exception caught", s_lpinteriorpointshortstep_str); return -1; } `````` André Anjos committed Dec 10, 2013 1043 1044 1045 1046 1047 1048 `````` self->parent.base = self->base; return 0; } `````` André Anjos committed Dec 10, 2013 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 ``````static int PyBobMathLpInteriorPointShortstep_init(PyBobMathLpInteriorPointShortstepObject* self, PyObject* args, PyObject* kwds) { Py_ssize_t nargs = args?PyTuple_Size(args):0 + kwds?PyDict_Size(kwds):0; switch (nargs) { case 1: return PyBobMathLpInteriorPointShortstep_init1(self, args, kwds); break; case 4: return PyBobMathLpInteriorPointShortstep_init4(self, args, kwds); break; default: PyErr_Format(PyExc_RuntimeError, "number of arguments mismatch - %s requires 1 or 4 arguments, but you provided %" PY_FORMAT_SIZE_T "d (see help)", s_lpinteriorpointshortstep_str, nargs); } return -1; } `````` André Anjos committed Dec 10, 2013 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 ``````static void PyBobMathLpInteriorPointShortstep_delete (PyBobMathLpInteriorPointShortstepObject* self) { delete self->base; self->parent.base = 0; self->base = 0; self->parent.ob_type->tp_free((PyObject*)self); } PyDoc_STRVAR(s_theta_str, "theta"); PyDoc_STRVAR(s_theta_doc, "The value theta used to define a V2 neighborhood" ); static PyObject* PyBobMathLpInteriorPointShortstep_getTheta (PyBobMathLpInteriorPointShortstepObject* self, void* /*closure*/) { return Py_BuildValue("d", self->base->getTheta()); } static int PyBobMathLpInteriorPointShortstep_setTheta (PyBobMathLpInteriorPointShortstepObject* self, PyObject* o, void* /*closure*/) { double e = PyFloat_AsDouble(o); if (PyErr_Occurred()) return -1; try { self->base->setTheta(e); } catch (std::exception& ex) { PyErr_SetString(PyExc_RuntimeError, ex.what()); return -1; } catch (...) { `````` André Anjos committed Dec 10, 2013 1105 `````` PyErr_Format(PyExc_RuntimeError, "cannot reset `theta' of %s: unknown exception caught", s_lpinteriorpointshortstep_str); `````` André Anjos committed Dec 10, 2013 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 `````` return -1; } return 0; } static PyGetSetDef PyBobMathLpInteriorPointShortstep_getseters[] = { { s_theta_str, (getter)PyBobMathLpInteriorPointShortstep_getTheta, (setter)PyBobMathLpInteriorPointShortstep_setTheta, s_theta_doc, 0 }, {0} /* Sentinel */ }; static PyObject* PyBobMathLpInteriorPointShortstep_RichCompare `````` André Anjos committed Dec 10, 2013 1125 1126 1127 1128 1129 1130 1131 1132 1133 ``````(PyBobMathLpInteriorPointShortstepObject* self, PyObject* other, int op) { if (!PyBobMathLpInteriorPointShortstep_Check(other)) { PyErr_Format(PyExc_TypeError, "cannot compare `%s' with `%s'", s_lpinteriorpointshortstep_str, other->ob_type->tp_name); return 0; } PyBobMathLpInteriorPointShortstepObject* other_ = reinterpret_cast(other); `````` André Anjos committed Dec 10, 2013 1134 1135 1136 `````` switch (op) { case Py_EQ: `````` André Anjos committed Dec 10, 2013 1137 `````` if (*(self->base) == *(other_->base)) Py_RETURN_TRUE; `````` André Anjos committed Dec 10, 2013 1138 1139 1140 `````` Py_RETURN_FALSE; break; case Py_NE: `````` André Anjos committed Dec 10, 2013 1141 `````` if (*(self->base) != *(other_->base)) Py_RETURN_TRUE; `````` André Anjos committed Dec 10, 2013 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 `````` Py_RETURN_FALSE; break; default: Py_INCREF(Py_NotImplemented); return Py_NotImplemented; } } PyTypeObject PyBobMathLpInteriorPointShortstep_Type = { PyObject_HEAD_INIT(0) 0, /*ob_size*/ s_lpinteriorpointshortstep_str, /*tp_name*/ sizeof(PyBobMathLpInteriorPointShortstepObject), /*tp_basicsize*/ 0, /*tp_itemsize*/ (destructor)PyBobMathLpInteriorPointShortstep_delete, /*tp_dealloc*/ 0, /*tp_print*/ 0, /*tp_getattr*/ 0, /*tp_setattr*/ 0, /*tp_compare*/ 0, /*tp_repr*/ 0, /*tp_as_number*/ 0, /*tp_as_sequence*/ 0, /*tp_as_mapping*/ 0, /*tp_hash */ 0, /*tp_call*/ 0, /*tp_str*/ 0, /*tp_getattro*/ 0, /*tp_setattro*/ 0, /*tp_as_buffer*/ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ s_lpinteriorpointshortstep_doc, /* tp_doc */ 0, /* tp_traverse */ 0, /* tp_clear */ (richcmpfunc)PyBobMathLpInteriorPointShortstep_RichCompare, /* tp_richcompare */ 0, /* tp_weaklistoffset */ 0, /* tp_iter */ 0, /* tp_iternext */ 0, /* tp_methods */ 0, /* tp_members */ PyBobMathLpInteriorPointShortstep_getseters, /* tp_getset */ 0, /* tp_base */ 0, /* tp_dict */ 0, /* tp_descr_get */ 0, /* tp_descr_set */ 0, /* tp_dictoffset */ (initproc)PyBobMathLpInteriorPointShortstep_init, /* tp_init */ 0, /* tp_alloc */ 0, /* tp_new */ `````` André Anjos committed Dec 09, 2013 1191 1192 ``````}; `````` André Anjos committed Dec 10, 2013 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 ``````/************************************************************* * Implementation of LPInteriorPointPredictorCorrector class * *************************************************************/ PyDoc_STRVAR(s_lpinteriorpointpredictorcorrector_str, XBOB_EXT_MODULE_PREFIX ".LPInteriorPointPredictorCorrector"); PyDoc_STRVAR(s_lpinteriorpointpredictorcorrector_doc, "LPInteriorPointPredictorCorrector(M, N, theta_pred, theta_corr, epsilon) -> new LPInteriorPointPredictorCorrector\n\ LPInteriorPointPredictorCorrector(solver) -> new LPInteriorPointPredictorCorrector\n\ \n\ A Linear Program solver based on a predictor-corrector interior point\n\ method.\n\ \n\ See :py:class:`LPInteriorPoint` for more details on the base class.\n\ \n\ Objects of this class can be initialized in two different ways: a\n\ detailed constructor with the parameters described below or a copy\n\ constructor, that deep-copies the input object and creates a new\n\ object (**not** a new reference to the same object).\n\ \n\ Constructor parameters:\n\ \n\ M\n\ (int) first dimension of the A matrix\n\ \n\ N\n\ (int) second dimension of the A matrix\n\ \n\ theta_pred\n\ (float) the value theta_pred used to define a V2 neighborhood\n\ \n\ theta_corr\n\ (float) the value theta_corr used to define a V2 neighborhood\n\ \n\ epsilon\n\ (float) The precision to determine whether an equality constraint\n\ is fulfilled or not.\n\ \n\ "); /* Type definition for PyBobMathLpInteriorPointObject */ typedef struct { PyBobMathLpInteriorPointObject parent; /* Type-specific fields go here. */ bob::math::LPInteriorPointPredictorCorrector* base; } PyBobMathLpInteriorPointPredictorCorrectorObject; static int PyBobMathLpInteriorPointPredictorCorrector_Check(PyObject* o) { return PyObject_IsInstance(o, reinterpret_cast(&PyBobMathLpInteriorPointPredictorCorrector_Type)); } static int PyBobMathLpInteriorPointPredictorCorrector_init1(PyBobMathLpInteriorPointPredictorCorrectorObject* self, PyObject* args, PyObject* kwds) { /* Parses input arguments in a single shot */ static const char* const_kwlist[] = {"solver", 0}; static char** kwlist = const_cast(const_kwlist); PyObject* solver = 0; if (!PyArg_ParseTupleAndKeywords(args, kwds, "O", kwlist, &solver)) return -1; if (!PyBobMathLpInteriorPointPredictorCorrector_Check(solver)) { PyErr_Format(PyExc_TypeError, "copy-constructor for %s requires an object of the same type, not %s", s_lpinteriorpointpredictorcorrector_str, solver->ob_type->tp_name); return -1; } PyBobMathLpInteriorPointPredictorCorrectorObject* other = reinterpret_cast(solver); try { self->base = new bob::math::LPInteriorPointPredictorCorrector(*other->base); } catch (std::exception& ex) { PyErr_SetString(PyExc_RuntimeError, ex.what()); } catch (...) { PyErr_Format(PyExc_RuntimeError, "cannot deep-copy object of type %s: unknown exception caught", s_lpinteriorpointpredictorcorrector_str); } self->parent.base = self->base; if (PyErr_Occurred()) return -1; return 0; } static int PyBobMathLpInteriorPointPredictorCorrector_init5(PyBobMathLpInteriorPointPredictorCorrectorObject* self, PyObject* args, PyObject* kwds) { /* Parses input arguments in a single shot */ static const char* const_kwlist[] = {"M", "N", "theta_pred", "theta_corr", "epsilon", 0}; static char** kwlist = const_cast(const_kwlist); Py_ssize_t M = 0; Py_ssize_t N = 0; double theta_pred = 0.; double theta_corr = 0.; double epsilon = 0.; if (!PyArg_ParseTupleAndKeywords(args, kwds, "nnddd", kwlist, &M, &N, &theta_pred, &theta_corr, &epsilon)) return -1; try { self->base = new bob::math::LPInteriorPointPredictorCorrector(M, N, theta_pred, theta_corr, epsilon); } catch (std::exception& ex) { PyErr_SetString(PyExc_RuntimeError, ex.what()); return -1; } catch (...) { PyErr_Format(PyExc_RuntimeError, "cannot construct object of type %s: unknown exception caught", s_lpinteriorpointpredictorcorrector_str); return -1; } self->parent.base = self->base; return 0; } static int PyBobMathLpInteriorPointPredictorCorrector_init(PyBobMathLpInteriorPointPredictorCorrectorObject* self, PyObject* args, PyObject* kwds) { Py_ssize_t nargs = args?PyTuple_Size(args):0 + kwds?PyDict_Size(kwds):0; switch (nargs) { case 1: return PyBobMathLpInteriorPointPredictorCorrector_init1(self, args, kwds); break; case 5: return PyBobMathLpInteriorPointPredictorCorrector_init5(self, args, kwds); break; default: PyErr_Format(PyExc_RuntimeError, "number of arguments mismatch - %s requires 1 or 5 arguments, but you provided %" PY_FORMAT_SIZE_T "d (see help)", s_lpinteriorpointpredictorcorrector_str, nargs); } return -1; } static void PyBobMathLpInteriorPointPredictorCorrector_delete (PyBobMathLpInteriorPointPredictorCorrectorObject* self) { delete self->base; self->parent.base = 0; self->base = 0; self->parent.ob_type->tp_free((PyObject*)self); } PyDoc_STRVAR(s_theta_pred_str, "theta_pred"); PyDoc_STRVAR(s_theta_pred_doc, "The value theta_pred used to define a V2 neighborhood" ); static PyObject* PyBobMathLpInteriorPointPredictorCorrector_getThetaPred (PyBobMathLpInteriorPointPredictorCorrectorObject* self, void* /*closure*/) { return Py_BuildValue("d", self->base->getThetaPred()); } static int PyBobMathLpInteriorPointPredictorCorrector_setThetaPred (PyBobMathLpInteriorPointPredictorCorrectorObject* self, PyObject* o, void* /*closure*/) { double e = PyFloat_AsDouble(o); if (PyErr_Occurred()) return -1; try { self->base->setThetaPred(e); } catch (std::exception& ex) { PyErr_SetString(PyExc_RuntimeError, ex.what()); return -1; } catch (...) { PyErr_Format(PyExc_RuntimeError, "cannot reset `theta_pred' of %s: unknown exception caught", s_lpinteriorpointpredictorcorrector_str); return -1; } return 0; } PyDoc_STRVAR(s_theta_corr_str, "theta_corr"); PyDoc_STRVAR(s_theta_corr_doc, "The value theta_corr used to define a V2 neighborhood" ); static PyObject* PyBobMathLpInteriorPointPredictorCorrector_getThetaCorr (PyBobMathLpInteriorPointPredictorCorrectorObject* self, void* /*closure*/) { return Py_BuildValue("d", self->base->getThetaCorr()); } static int PyBobMathLpInteriorPointPredictorCorrector_setThetaCorr (PyBobMathLpInteriorPointPredictorCorrectorObject* self, PyObject* o, void* /*closure*/) { double e = PyFloat_AsDouble(o); if (PyErr_Occurred()) return -1; try { self->base->setThetaCorr(e); } catch (std::exception& ex) { PyErr_SetString(PyExc_RuntimeError, ex.what()); return -1; } catch (...) { PyErr_Format(PyExc_RuntimeError, "cannot reset `theta_corr' of %s: unknown exception caught", s_lpinteriorpointpredictorcorrector_str); return -1; } return 0; } static PyGetSetDef PyBobMathLpInteriorPointPredictorCorrector_getseters[] = { { s_theta_pred_str, (getter)PyBobMathLpInteriorPointPredictorCorrector_getThetaPred, (setter)PyBobMathLpInteriorPointPredictorCorrector_setThetaPred, s_theta_pred_doc, 0 }, { s_theta_corr_str, (getter)PyBobMathLpInteriorPointPredictorCorrector_getThetaCorr, (setter)PyBobMathLpInteriorPointPredictorCorrector_setThetaCorr, s_theta_corr_doc, 0 }, {0} /* Sentinel */ }; static PyObject* PyBobMathLpInteriorPointPredictorCorrector_RichCompare (PyBobMathLpInteriorPointPredictorCorrectorObject* self, PyObject* other, int op) { if (!PyBobMathLpInteriorPointPredictorCorrector_Check(other)) { PyErr_Format(PyExc_TypeError, "cannot compare `%s' with `%s'", s_lpinteriorpointpredictorcorrector_str, other->ob_type->tp_name); return 0; } PyBobMathLpInteriorPointPredictorCorrectorObject* other_ = reinterpret_cast(other); switch (op) { case Py_EQ: if (*(self->base) == *(other_->base)) Py_RETURN_TRUE; Py_RETURN_FALSE; break; case Py_NE: if (*(self->base) != *(other_->base)) Py_RETURN_TRUE; Py_RETURN_FALSE; break; default: Py_INCREF(Py_NotImplemented); return Py_NotImplemented; } } PyTypeObject PyBobMathLpInteriorPointPredictorCorrector_Type = { PyObject_HEAD_INIT(0) 0, /*ob_size*/ s_lpinteriorpointpredictorcorrector_str, /*tp_name*/ sizeof(PyBobMathLpInteriorPointPredictorCorrectorObject), /*tp_basicsize*/ 0, /*tp_itemsize*/ (destructor)PyBobMathLpInteriorPointPredictorCorrector_delete, /*tp_dealloc*/ 0, /*tp_print*/ 0, /*tp_getattr*/ 0, /*tp_setattr*/ 0, /*tp_compare*/ 0, /*tp_repr*/ 0, /*tp_as_number*/ 0, /*tp_as_sequence*/ 0, /*tp_as_mapping*/ 0, /*tp_hash */ 0, /*tp_call*/ 0, /*tp_str*/ 0, /*tp_getattro*/ 0, /*tp_setattro*/ 0, /*tp_as_buffer*/ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ s_lpinteriorpointpredictorcorrector_doc, /* tp_doc */ 0, /* tp_traverse */ 0, /* tp_clear */ (richcmpfunc)PyBobMathLpInteriorPointPredictorCorrector_RichCompare, /* tp_richcompare */ 0, /* tp_weaklistoffset */ 0, /* tp_iter */ 0, /* tp_iternext */ 0, /* tp_methods */ 0, /* tp_members */ PyBobMathLpInteriorPointPredictorCorrector_getseters, /* tp_getset */ 0, /* tp_base */ 0, /* tp_dict */ 0, /* tp_descr_get */ 0, /* tp_descr_set */ 0, /* tp_dictoffset */ (initproc)PyBobMathLpInteriorPointPredictorCorrector_init, /* tp_init */ 0, /* tp_alloc */ 0, /* tp_new */ }; /**************************************************** * Implementation of LPInteriorPointLongstep class * ****************************************************/ PyDoc_STRVAR(s_lpinteriorpointlongstep_str, XBOB_EXT_MODULE_PREFIX ".LPInteriorPointLongstep"); PyDoc_STRVAR(s_lpinteriorpointlongstep_doc, "LPInteriorPointLongstep(M, N, gamma, sigma, epsilon) -> new LPInteriorPointLongstep\n\ LPInteriorPointLongstep(solver) -> new LPInteriorPointLongstep\n\ \n\ A Linear Program solver based on a long step interior point method.\n\ \n\ See :py:class:`LPInteriorPoint` for more details on the base class.\n\ \n\ Objects of this class can be initialized in two different ways: a\n\ detailed constructor with the parameters described below or a copy\n\ constructor, that deep-copies the input object and creates a new\n\ object (**not** a new reference to the same object).\n\ \n\ Constructor parameters:\n\ \n\ M\n\ (int) first dimension of the A matrix\n\ \n\ N\n\ (int) second dimension of the A matrix\n\ \n\ gamma\n\ (float) The value gamma used to define a V-inf neighborhood\n\ \n\ sigma\n\ (float) The value sigma used to define a V-inf neighborhood\n\ \n\ epsilon\n\ (float) The precision to determine whether an equality constraint\n\ is fulfilled or not.\n\ \n\ "); typedef struct { PyBobMathLpInteriorPointObject parent; /* Type-specific fields go here. */ bob::math::LPInteriorPointLongstep* base; } PyBobMathLpInteriorPointLongstepObject; static int PyBobMathLpInteriorPointLongstep_Check(PyObject* o) { return PyObject_IsInstance(o, reinterpret_cast(&PyBobMathLpInteriorPointLongstep_Type)); } static int PyBobMathLpInteriorPointLongstep_init1(PyBobMathLpInteriorPointLongstepObject* self, PyObject* args, PyObject* kwds) { /* Parses input arguments in a single shot */ static const char* const_kwlist[] = {"solver", 0}; static char** kwlist = const_cast(const_kwlist); PyObject* solver = 0; if (!PyArg_ParseTupleAndKeywords(args, kwds, "O", kwlist, &solver)) return -1; if (!PyBobMathLpInteriorPointLongstep_Check(solver)) { PyErr_Format(PyExc_TypeError, "copy-constructor for %s requires an object of the same type, not %s", s_lpinteriorpointlongstep_str, solver->ob_type->tp_name); return -1; } PyBobMathLpInteriorPointLongstepObject* other = reinterpret_cast(solver); try { self->base = new bob::math::LPInteriorPointLongstep(*other->base); } catch (std::exception& ex) { PyErr_SetString(PyExc_RuntimeError, ex.what()); } catch (...) { PyErr_Format(PyExc_RuntimeError, "cannot deep-copy object of type %s: unknown exception caught", s_lpinteriorpointlongstep_str); } self->parent.base = self->base; if (PyErr_Occurred()) return -1; return 0; } static int PyBobMathLpInteriorPointLongstep_init5(PyBobMathLpInteriorPointLongstepObject* self, PyObject* args, PyObject* kwds) { /* Parses input arguments in a single shot */ static const char* const_kwlist[] = {"M", "N", "gamma", "sigma", "epsilon", 0}; static char** kwlist = const_cast(const_kwlist); Py_ssize_t M = 0; Py_ssize_t N = 0; double gamma = 0.; double sigma = 0.; double epsilon = 0.; if (!PyArg_ParseTupleAndKeywords(args, kwds, "nnddd", kwlist, &M, &N, &gamma, &sigma, &epsilon)) return -1; try { self->base = new bob::math::LPInteriorPointLongstep(M, N, gamma, sigma, epsilon); } catch (std::exception& ex) { PyErr_SetString(PyExc_RuntimeError, ex.what()); return -1; } catch (...) { PyErr_Format(PyExc_RuntimeError, "cannot construct object of type %s: unknown exception caught", s_lpinteriorpointlongstep_str); return -1; } self->parent.base = self->base; return 0; } static int PyBobMathLpInteriorPointLongstep_init(PyBobMathLpInteriorPointLongstepObject* self, PyObject* args, PyObject* kwds) { Py_ssize_t nargs = args?PyTuple_Size(args):0 + kwds?PyDict_Size(kwds):0; switch (nargs) { case 1: return PyBobMathLpInteriorPointLongstep_init1(self, args, kwds); break; case 5: return PyBobMathLpInteriorPointLongstep_init5(self, args, kwds); break; default: PyErr_Format(PyExc_RuntimeError, "number of arguments mismatch - %s requires 1 or 5 arguments, but you provided %" PY_FORMAT_SIZE_T "d (see help)", s_lpinteriorpointlongstep_str, nargs); } return -1; } static void PyBobMathLpInteriorPointLongstep_delete (PyBobMathLpInteriorPointLongstepObject* self) { delete self->base; self->parent.base = 0; self->base = 0; self->parent.ob_type->tp_free((PyObject*)self); } PyDoc_STRVAR(s_gamma_str, "gamma"); PyDoc_STRVAR(s_gamma_doc, "The value gamma used to define a V-Inf neighborhood" ); static PyObject* PyBobMathLpInteriorPointLongstep_getGamma (PyBobMathLpInteriorPointLongstepObject* self, void* /*closure*/) { return Py_BuildValue("d", self->base->getGamma()); } static int PyBobMathLpInteriorPointLongstep_setGamma (PyBobMathLpInteriorPointLongstepObject* self, PyObject* o, void* /*closure*/) { double e = PyFloat_AsDouble(o); if (PyErr_Occurred()) return -1; try { self->base->setGamma(e); } catch (std::exception& ex) { PyErr_SetString(PyExc_RuntimeError, ex.what()); return -1; } catch (...) { PyErr_Format(PyExc_RuntimeError, "cannot reset `gamma' of %s: unknown exception caught", s_lpinteriorpointlongstep_str); return -1; } return 0; } PyDoc_STRVAR(s_sigma_str, "sigma"); PyDoc_STRVAR(s_sigma_doc, "The value sigma used to define a V-Inf neighborhood" ); static PyObject* PyBobMathLpInteriorPointLongstep_getSigma (PyBobMathLpInteriorPointLongstepObject* self, void* /*closure*/) { return Py_BuildValue("d", self->base->getSigma()); } static int PyBobMathLpInteriorPointLongstep_setSigma (PyBobMathLpInteriorPointLongstepObject* self, PyObject* o, void* /*closure*/) { double e = PyFloat_AsDouble(o); if (PyErr_Occurred()) return -1; try { self->base->setSigma(e); } catch (std::exception& ex) { PyErr_SetString(PyExc_RuntimeError, ex.what()); return -1; } catch (...) { PyErr_Format(PyExc_RuntimeError, "cannot reset `sigma' of %s: unknown exception caught", s_lpinteriorpointlongstep_str); return -1; } return 0; } static PyGetSetDef PyBobMathLpInteriorPointLongstep_getseters[] = { { s_gamma_str, (getter)PyBobMathLpInteriorPointLongstep_getGamma, (setter)PyBobMathLpInteriorPointLongstep_setGamma, s_gamma_doc, 0 }, { s_sigma_str, (getter)PyBobMathLpInteriorPointLongstep_getSigma, (setter)PyBobMathLpInteriorPointLongstep_setSigma, s_sigma_doc, 0 }, {0} /* Sentinel */ }; static PyObject* PyBobMathLpInteriorPointLongstep_RichCompare (PyBobMathLpInteriorPointLongstepObject* self, PyObject* other, int op) { if (!PyBobMathLpInteriorPointLongstep_Check(other)) { PyErr_Format(PyExc_TypeError, "cannot compare `%s' with `%s'", s_lpinteriorpointlongstep_str, other->ob_type->tp_name); return 0; } PyBobMathLpInteriorPointLongstepObject* other_ = reinterpret_cast(other); switch (op) { case Py_EQ: if (*(self->base) == *(other_->base)) Py_RETURN_TRUE; Py_RETURN_FALSE; break; case Py_NE: if (*(self->base) != *(other_->base)) Py_RETURN_TRUE; Py_RETURN_FALSE; break; default: Py_INCREF(Py_NotImplemented); return Py_NotImplemented; } } `````` André Anjos committed Dec 10, 2013 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 ``````PyDoc_STRVAR(s_is_in_vinf_str, "is_in_v"); PyDoc_STRVAR(s_is_in_vinf_doc, "o.is_in_v(x, mu, gamma) -> bool\n\ \n\ Checks if a primal-dual point (x,lambda,mu) belongs to the V-Inf\n\ neighborhood of the central path.\n\ \n\ "); static PyObject* PyBobMathLpInteriorPoint_is_in_vinf (PyBobMathLpInteriorPointObject* self, PyObject *args, PyObject* kwds) { /* Parses input arguments in a single shot */ static const char* const_kwlist[] = {"x", "mu", "gamma", 0}; static char** kwlist = const_cast(const_kwlist); PyBlitzArrayObject* x = 0; PyBlitzArrayObject* mu = 0; double gamma = 0.; if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&O&d", kwlist, &PyBlitzArray_Converter, &x, &PyBlitzArray_Converter, &mu, &gamma )) return 0; if (x->type_num != NPY_FLOAT64 || x->ndim != 1) { PyErr_SetString(PyExc_TypeError, "Linear program is_in_vinf only supports 64-bit floats 1D arrays for input vector `x0'"); Py_DECREF(x); Py_DECREF(mu); return 0; } if (mu->type_num != NPY_FLOAT64 || mu->ndim != 1) { PyErr_SetString(PyExc_TypeError, "Linear program is_in_vinf only supports 64-bit floats 1D arrays for input vector `mu'"); Py_DECREF(x); Py_DECREF(mu); return 0; } bool in_vinf = false; try { in_vinf = self->base->isInV( *PyBlitzArrayCxx_AsBlitz(x), *PyBlitzArrayCxx_AsBlitz(mu), gamma ); } catch (std::exception& e) { PyErr_SetString(PyExc_RuntimeError, e.what()); } catch (...) { PyErr_Format(PyExc_RuntimeError, "cannot check if point is in V-Inf at `%s': unknown exception caught", s_lpinteriorpoint_str); } Py_DECREF(x); Py_DECREF(mu); if (PyErr_Occurred()) return 0; if (in_vinf) Py_RETURN_TRUE; Py_RETURN_FALSE; } static PyMethodDef PyBobMathLpInteriorPointLongstep_methods[] = { { s_is_in_vinf_str, (PyCFunction)PyBobMathLpInteriorPoint_is_in_vinf, METH_VARARGS|METH_KEYWORDS, s_is_in_vinf_doc }, {0} /* Sentinel */ }; `````` André Anjos committed Dec 10, 2013 1828 1829 1830 ``````PyTypeObject PyBobMathLpInteriorPointLongstep_Type = { PyObject_HEAD_INIT(0) 0, /*ob_size*/ `````` André Anjos committed Dec 10, 2013 1831 1832 `````` s_lpinteriorpointlongstep_str, /*tp_name*/ sizeof(PyBobMathLpInteriorPointLongstepObject), /*tp_basicsize*/ `````` André Anjos committed Dec 10, 2013 1833 `````` 0, /*tp_itemsize*/ `````` André Anjos committed Dec 10, 2013 1834 `````` (destructor)PyBobMathLpInteriorPointLongstep_delete, /*tp_dealloc*/ `````` André Anjos committed Dec 10, 2013 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 `````` 0, /*tp_print*/ 0, /*tp_getattr*/ 0, /*tp_setattr*/ 0, /*tp_compare*/ 0, /*tp_repr*/ 0, /*tp_as_number*/ 0, /*tp_as_sequence*/ 0, /*tp_as_mapping*/ 0, /*tp_hash */ 0, /*tp_call*/ 0, /*tp_str*/ 0, /*tp_getattro*/ 0, /*tp_setattro*/ 0, /*tp_as_buffer*/ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ `````` André Anjos committed Dec 10, 2013 1850 `````` s_lpinteriorpointlongstep_doc, /* tp_doc */ `````` André Anjos committed Dec 10, 2013 1851 1852 `````` 0, /* tp_traverse */ 0, /* tp_clear */ `````` André Anjos committed Dec 10, 2013 1853 `````` (richcmpfunc)PyBobMathLpInteriorPointLongstep_RichCompare, /* tp_richcompare */ `````` André Anjos committed Dec 10, 2013 1854 1855 1856 `````` 0, /* tp_weaklistoffset */ 0, /* tp_iter */ 0, /* tp_iternext */ `````` André Anjos committed Dec 10, 2013 1857 `````` PyBobMathLpInteriorPointLongstep_methods, /* tp_methods */ `````` André Anjos committed Dec 10, 2013 1858 `````` 0, /* tp_members */ `````` André Anjos committed Dec 10, 2013 1859 `````` PyBobMathLpInteriorPointLongstep_getseters, /* tp_getset */ `````` André Anjos committed Dec 10, 2013 1860 1861 1862 1863 1864 `````` 0, /* tp_base */ 0, /* tp_dict */ 0, /* tp_descr_get */ 0, /* tp_descr_set */ 0, /* tp_dictoffset */ `````` André Anjos committed Dec 10, 2013 1865 `````` (initproc)PyBobMathLpInteriorPointLongstep_init, /* tp_init */ `````` André Anjos committed Dec 10, 2013 1866 1867 1868 `````` 0, /* tp_alloc */ 0, /* tp_new */ };``````