sln_tree.c (21382B)
1 /* Copyright (C) 2022, 2026 |Méso|Star> (contact@meso-star.com) 2 * Copyright (C) 2026 Université de Lorraine 3 * Copyright (C) 2022 Centre National de la Recherche Scientifique 4 * Copyright (C) 2022 Université Paul Sabatier 5 * 6 * This program is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program. If not, see <http://www.gnu.org/licenses/>. */ 18 19 #include "sln.h" 20 #include "sln_device_c.h" 21 #include "sln_line.h" 22 #include "sln_tree_c.h" 23 24 #include <star/shtr.h> 25 26 #include <rsys/algorithm.h> 27 #include <rsys/cstr.h> 28 #include <rsys/math.h> 29 30 struct stream { 31 const char* name; 32 FILE* fp; 33 int intern_fp; /* Define if the stream was internally opened */ 34 }; 35 static const struct stream STREAM_NULL = {NULL, NULL, 0}; 36 37 /******************************************************************************* 38 * Helper functions 39 ******************************************************************************/ 40 /* Check that the sum of the molecular concentrations is equal to 1 */ 41 static res_T 42 check_molecule_concentration 43 (struct sln_device* sln, 44 const char* caller, 45 const struct sln_tree_create_args* args) 46 { 47 int i = 0; 48 double sum = 0; 49 ASSERT(sln && caller && args); 50 51 FOR_EACH(i, 0, SHTR_MAX_MOLECULE_COUNT) { 52 if(i == SHTR_MOLECULE_ID_NULL) continue; 53 sum += args->molecules[i].concentration; 54 } 55 56 /* The sum of molecular concentrations must be less than or equal to 1. It may 57 * be less than 1 if the remaining part of the mixture is (implicitly) defined 58 * as a radiatively inactive gas */ 59 if(sum > 1 && sum-1 > 1e-6) { 60 ERROR(sln, 61 "%s: the sum of molecule concentrations is greater than 1: %g\n", 62 caller, sum); 63 return RES_BAD_ARG; 64 } 65 66 return RES_OK; 67 } 68 69 /* Verify that the isotope abundance are valids */ 70 static res_T 71 check_molecule_isotope_abundances 72 (struct sln_device* sln, 73 const char* caller, 74 const struct sln_molecule* molecule) 75 { 76 int i = 0; 77 double sum = 0; 78 ASSERT(sln && caller && molecule); 79 80 /* The isotopic abundances are the default ones. Nothing to do */ 81 if(!molecule->non_default_isotope_abundances) return RES_OK; 82 83 /* The isotopic abundances are not the default ones. 84 * Verify that they are valid ... */ 85 FOR_EACH(i, 0, SHTR_MAX_ISOTOPE_COUNT) { 86 if(molecule->isotopes[i].abundance < 0) { 87 const int isotope_id = i + 1; /* isotope id in [1, 10] */ 88 ERROR(sln, "%s: invalid abundance of isotopie %d of %s: %g.\n", 89 caller, isotope_id, shtr_molecule_cstr(i), 90 molecule->isotopes[i].abundance); 91 return RES_BAD_ARG; 92 } 93 94 sum += molecule->isotopes[i].abundance; 95 } 96 97 /* ... and that their sum equals 1 */ 98 if(!eq_eps(sum, 1, 1e-6)) { 99 ERROR(sln, "%s: the %s isotope abundances does not sum to 1: %g.\n", 100 caller, shtr_molecule_cstr(i), sum); 101 return RES_BAD_ARG; 102 } 103 104 return RES_OK; 105 } 106 107 static res_T 108 check_molecules 109 (struct sln_device* sln, 110 const char* caller, 111 const struct sln_tree_create_args* args) 112 { 113 char molecule_ok[SHTR_MAX_MOLECULE_COUNT] = {0}; 114 115 double concentrations_sum = 0; 116 size_t iline = 0; 117 size_t nlines = 0; 118 res_T res = RES_OK; 119 ASSERT(args->lines); 120 121 res = check_molecule_concentration(sln, caller, args); 122 if(res != RES_OK) return res; 123 124 /* Iterate over the lines to define which molecules has to be checked, i.e., 125 * the ones used in the mixture */ 126 SHTR(line_list_get_size(args->lines, &nlines)); 127 FOR_EACH(iline, 0, nlines) { 128 struct shtr_line line = SHTR_LINE_NULL; 129 const struct sln_molecule* molecule = NULL; 130 131 SHTR(line_list_at(args->lines, iline, &line)); 132 133 /* This molecule was already checked */ 134 if(molecule_ok[line.molecule_id]) continue; 135 136 molecule = args->molecules + line.molecule_id; 137 138 if(molecule->concentration == 0) { 139 /* A molecular concentration of zero is allowed, but may be a user error, 140 * as 0 is the default concentration in the tree creation arguments. 141 * Therefore, warn the user about this value so that they can determine 142 * whether or not it is an error on their part. */ 143 WARN(sln, "%s: the concentration of %s is zero.\n", 144 caller, shtr_molecule_cstr(line.molecule_id)); 145 146 } else if(molecule->concentration < 0) { 147 /* Concentration cannot be negative... */ 148 ERROR(sln, "%s: invalid %s concentration: %g.\n", 149 FUNC_NAME, shtr_molecule_cstr(line.molecule_id), 150 molecule->concentration); 151 return RES_BAD_ARG; 152 } 153 154 concentrations_sum += molecule->concentration; 155 156 if(molecule->cutoff <= 0) { 157 /* ... cutoff either */ 158 ERROR(sln, "%s: invalid %s cutoff: %g.\n", 159 caller, shtr_molecule_cstr(line.molecule_id), molecule->cutoff); 160 return RES_BAD_ARG; 161 } 162 163 res = check_molecule_isotope_abundances(sln, caller, molecule); 164 if(res != RES_OK) return res; 165 166 molecule_ok[line.molecule_id] = 1; 167 } 168 169 /* The sum of molecular concentrations must be less than or equal to 1. It may 170 * be less than 1 if the remaining part of the mixture is (implicitly) defined 171 * as a radiatively inactive gas */ 172 if(concentrations_sum > 1 && (concentrations_sum - 1) > 1e-6) { 173 ERROR(sln, 174 "%s: the sum of molecule concentrations is greater than 1: %g\n", 175 caller, concentrations_sum); 176 return RES_BAD_ARG; 177 } 178 179 return RES_OK; 180 } 181 182 static res_T 183 check_sln_tree_create_args 184 (struct sln_device* sln, 185 const char* caller, 186 const struct sln_tree_create_args* args) 187 { 188 res_T res = RES_OK; 189 ASSERT(sln && caller); 190 191 if(!args) return RES_BAD_ARG; 192 193 if(!args->metadata) { 194 ERROR(sln, "%s: the isotope metadata are missing.\n", caller); 195 return RES_BAD_ARG; 196 } 197 198 if(!args->lines) { 199 ERROR(sln, "%s: the list of lines is missing.\n", caller); 200 return RES_BAD_ARG; 201 } 202 203 if(args->nvertices_hint == 0) { 204 ERROR(sln, 205 "%s: invalid hint on the number of vertices around the line center %lu.\n", 206 caller, (unsigned long)args->nvertices_hint); 207 return RES_BAD_ARG; 208 } 209 210 if(args->mesh_decimation_err < 0) { 211 ERROR(sln, "%s: invalid decimation error %g.\n", 212 caller, args->mesh_decimation_err); 213 return RES_BAD_ARG; 214 } 215 216 if((unsigned)args->mesh_type >= SLN_MESH_TYPES_COUNT__) { 217 ERROR(sln, "%s: invalid mesh type %d.\n", caller, args->mesh_type); 218 return RES_BAD_ARG; 219 } 220 221 if((unsigned)args->line_profile >= SLN_LINE_PROFILES_COUNT__) { 222 ERROR(sln, "%s: invalid line profile %d.\n", caller, args->line_profile); 223 return RES_BAD_ARG; 224 } 225 226 res = check_molecules(sln, caller, args); 227 if(res != RES_OK) return res; 228 229 return RES_OK; 230 } 231 232 static res_T 233 check_sln_tree_read_args 234 (struct sln_device* sln, 235 const char* caller, 236 const struct sln_tree_read_args* args) 237 { 238 if(!args) return RES_BAD_ARG; 239 240 if(!args->metadata) { 241 ERROR(sln, "%s: the isotope metadata are missing.\n", caller); 242 return RES_BAD_ARG; 243 } 244 245 if(!args->lines) { 246 ERROR(sln, "%s: the list of lines is missing.\n", caller); 247 return RES_BAD_ARG; 248 } 249 250 if(!args->file && !args->filename) { 251 ERROR(sln, 252 "%s: the source file is missing. No file name or stream is provided.\n", 253 caller); 254 return RES_BAD_ARG; 255 } 256 257 return RES_OK; 258 } 259 260 static res_T 261 check_sln_tree_write_args 262 (struct sln_device* sln, 263 const char* caller, 264 const struct sln_tree_write_args* args) 265 { 266 if(!args) return RES_BAD_ARG; 267 268 if(!args->file && !args->filename) { 269 ERROR(sln, 270 "%s: the destination file is missing. " 271 "No file name or stream is provided.\n", 272 caller); 273 return RES_BAD_ARG; 274 } 275 276 return RES_OK; 277 } 278 static INLINE void 279 stream_release(struct stream* stream) 280 { 281 ASSERT(stream); 282 if(stream->intern_fp && stream->fp) CHK(fclose(stream->fp) == 0); 283 } 284 285 static res_T 286 stream_init 287 (struct sln_device* sln, 288 const char* caller, 289 const char* name, /* NULL <=> default stream name */ 290 FILE* fp, /* NULL <=> open file "name" */ 291 const char* mode, /* mode in fopen */ 292 struct stream* stream) 293 { 294 res_T res = RES_OK; 295 296 ASSERT(sln && caller && stream); 297 ASSERT(fp || (name && mode)); 298 299 *stream = STREAM_NULL; 300 301 if(fp) { 302 stream->intern_fp = 0; 303 stream->name = name ? name : "stream"; 304 stream->fp = fp; 305 306 } else { 307 stream->intern_fp = 1; 308 stream->name = name; 309 if(!(stream->fp = fopen(name, mode))) { 310 ERROR(sln, "%s:%s: error opening file -- %s\n", 311 caller, name, strerror(errno)); 312 res = RES_IO_ERR; 313 goto error; 314 } 315 } 316 317 exit: 318 return res; 319 error: 320 if(stream->intern_fp && stream->fp) CHK(fclose(stream->fp) == 0); 321 goto exit; 322 } 323 324 static res_T 325 create_tree 326 (struct sln_device* sln, 327 const char* caller, 328 struct sln_tree** out_tree) 329 { 330 struct sln_tree* tree = NULL; 331 res_T res = RES_OK; 332 ASSERT(sln && caller && out_tree); 333 334 tree = MEM_CALLOC(sln->allocator, 1, sizeof(struct sln_tree)); 335 if(!tree) { 336 ERROR(sln, "%s: could not allocate the tree data structure.\n", 337 caller); 338 res = RES_MEM_ERR; 339 goto error; 340 } 341 ref_init(&tree->ref); 342 SLN(device_ref_get(sln)); 343 tree->sln = sln; 344 darray_node_init(sln->allocator, &tree->nodes); 345 darray_vertex_init(sln->allocator, &tree->vertices); 346 347 exit: 348 *out_tree = tree; 349 return res; 350 error: 351 if(tree) { SLN(tree_ref_put(tree)); tree = NULL; } 352 goto exit; 353 } 354 355 static INLINE int 356 cmp_nu_vtx(const void* key, const void* item) 357 { 358 const float nu = *((const float*)key); 359 const struct sln_vertex* vtx = item; 360 if(nu < vtx->wavenumber) return -1; 361 if(nu > vtx->wavenumber) return +1; 362 return 0; 363 } 364 365 static void 366 release_tree(ref_T* ref) 367 { 368 struct sln_tree* tree = CONTAINER_OF(ref, struct sln_tree, ref); 369 struct sln_device* sln = NULL; 370 ASSERT(ref); 371 sln = tree->sln; 372 darray_node_release(&tree->nodes); 373 darray_vertex_release(&tree->vertices); 374 if(tree->args.lines) SHTR(line_list_ref_put(tree->args.lines)); 375 if(tree->args.metadata) SHTR(isotope_metadata_ref_put(tree->args.metadata)); 376 MEM_RM(sln->allocator, tree); 377 SLN(device_ref_put(sln)); 378 } 379 380 /******************************************************************************* 381 * Exported symbols 382 ******************************************************************************/ 383 res_T 384 sln_tree_create 385 (struct sln_device* device, 386 const struct sln_tree_create_args* args, 387 struct sln_tree** out_tree) 388 { 389 struct sln_tree* tree = NULL; 390 res_T res = RES_OK; 391 392 if(!device || !out_tree) { res = RES_BAD_ARG; goto error; } 393 res = check_sln_tree_create_args(device, FUNC_NAME, args); 394 if(res != RES_OK) goto error; 395 396 res = create_tree(device, FUNC_NAME, &tree); 397 if(res != RES_OK) goto error; 398 SHTR(line_list_ref_get(args->lines)); 399 SHTR(isotope_metadata_ref_get(args->metadata)); 400 tree->args = *args; 401 402 res = tree_build(tree); 403 if(res != RES_OK) goto error; 404 405 exit: 406 if(out_tree) *out_tree = tree; 407 return res; 408 error: 409 if(tree) { SLN(tree_ref_put(tree)); tree = NULL; } 410 goto exit; 411 } 412 413 res_T 414 sln_tree_read 415 (struct sln_device* sln, 416 const struct sln_tree_read_args* args, 417 struct sln_tree** out_tree) 418 { 419 hash256_T hash_mdata1; 420 hash256_T hash_mdata2; 421 hash256_T hash_lines1; 422 hash256_T hash_lines2; 423 424 struct stream stream = STREAM_NULL; 425 struct sln_tree* tree = NULL; 426 size_t n = 0; 427 int version = 0; 428 res_T res = RES_OK; 429 430 if(!sln || !out_tree) { res = RES_BAD_ARG; goto error; } 431 res = check_sln_tree_read_args(sln, FUNC_NAME, args); 432 if(res != RES_OK) goto error; 433 434 res = create_tree(sln, FUNC_NAME, &tree); 435 if(res != RES_OK) goto error; 436 437 res = stream_init(sln, FUNC_NAME, args->filename, args->file, "r", &stream); 438 if(res != RES_OK) goto error; 439 440 #define READ(Var, Nb) { \ 441 if(fread((Var), sizeof(*(Var)), (Nb), stream.fp) != (Nb)) { \ 442 if(feof(stream.fp)) { \ 443 res = RES_BAD_ARG; \ 444 } else if(ferror(stream.fp)) { \ 445 res = RES_IO_ERR; \ 446 } else { \ 447 res = RES_UNKNOWN_ERR; \ 448 } \ 449 ERROR(sln, "%s: error loading the tree structure -- %s.\n", \ 450 stream.name, res_to_cstr(res)); \ 451 goto error; \ 452 } \ 453 } (void)0 454 READ(&version, 1); 455 if(version != SLN_TREE_VERSION) { 456 ERROR(sln, 457 "%s: unexpected tree version %d. Expecting a tree in version %d.\n", 458 stream.name, version, SLN_TREE_VERSION); 459 res = RES_BAD_ARG; 460 goto error; 461 } 462 463 res = shtr_isotope_metadata_hash(args->metadata, hash_mdata1); 464 if(res != RES_OK) goto error; 465 466 READ(hash_mdata2, sizeof(hash256_T)); 467 if(!hash256_eq(hash_mdata1, hash_mdata2)) { 468 ERROR(sln, 469 "%s: the input isotopic metadata are not those used " 470 "during tree construction.\n", stream.name); 471 res = RES_BAD_ARG; 472 goto error; 473 } 474 475 SHTR(isotope_metadata_ref_get(args->metadata)); 476 tree->args.metadata = args->metadata; 477 478 res = shtr_line_list_hash(args->lines, hash_lines1); 479 if(res != RES_OK) goto error; 480 481 READ(hash_lines2, sizeof(hash256_T)); 482 if(!hash256_eq(hash_lines1, hash_lines2)) { 483 ERROR(sln, 484 "%s: the input list of lines is not the one used to build the tree.\n", 485 stream.name); 486 res = RES_BAD_ARG; 487 goto error; 488 } 489 490 SHTR(line_list_ref_get(args->lines)); 491 tree->args.lines = args->lines; 492 493 READ(&n, 1); 494 if((res = darray_node_resize(&tree->nodes, n)) != RES_OK) goto error; 495 READ(darray_node_data_get(&tree->nodes), n); 496 497 READ(&n, 1); 498 if((res = darray_vertex_resize(&tree->vertices, n)) != RES_OK) goto error; 499 READ(darray_vertex_data_get(&tree->vertices), n); 500 501 READ(&tree->args.line_profile, 1); 502 READ(&tree->args.molecules, 1); 503 READ(&tree->args.pressure, 1); 504 READ(&tree->args.temperature, 1); 505 READ(&tree->args.nvertices_hint, 1); 506 READ(&tree->args.mesh_decimation_err, 1); 507 READ(&tree->args.mesh_type, 1); 508 #undef READ 509 510 exit: 511 stream_release(&stream); 512 if(out_tree) *out_tree = tree; 513 return res; 514 error: 515 if(tree) { SLN(tree_ref_put(tree)); tree = NULL; } 516 goto exit; 517 } 518 519 res_T 520 sln_tree_ref_get(struct sln_tree* tree) 521 { 522 if(!tree) return RES_BAD_ARG; 523 ref_get(&tree->ref); 524 return RES_OK; 525 } 526 527 res_T 528 sln_tree_ref_put(struct sln_tree* tree) 529 { 530 if(!tree) return RES_BAD_ARG; 531 ref_put(&tree->ref, release_tree); 532 return RES_OK; 533 } 534 535 res_T 536 sln_tree_get_desc(const struct sln_tree* tree, struct sln_tree_desc* desc) 537 { 538 size_t nlines_adjusted = 0; 539 unsigned depth = 0; 540 541 if(!tree || !desc) return RES_BAD_ARG; 542 543 desc->max_nlines_per_leaf = 1; 544 desc->mesh_decimation_err = tree->args.mesh_decimation_err; 545 desc->mesh_type = tree->args.mesh_type; 546 desc->line_profile = tree->args.line_profile; 547 desc->nnodes = darray_node_size_get(&tree->nodes); 548 desc->nvertices = darray_vertex_size_get(&tree->vertices); 549 550 SHTR(line_list_get_size(tree->args.lines, &desc->nlines)); 551 nlines_adjusted = round_up_pow2(desc->nlines); 552 553 for(depth=0; depth<64 && !(BIT_U64(depth) & nlines_adjusted); ++depth); 554 desc->depth = depth; 555 556 #ifndef NDEBUG 557 { 558 unsigned max_depth = 0; 559 const struct sln_node* node = sln_tree_get_root(tree); 560 while(!sln_node_is_leaf(node)) { 561 node = sln_node_get_child(node, 0); 562 ++max_depth; 563 } 564 CHK(max_depth == depth); 565 } 566 #endif 567 568 return RES_OK; 569 } 570 571 const struct sln_node* 572 sln_tree_get_root(const struct sln_tree* tree) 573 { 574 ASSERT(tree); 575 if(darray_node_size_get(&tree->nodes)) { 576 return darray_node_cdata_get(&tree->nodes); 577 } else { 578 return NULL; 579 } 580 } 581 582 int 583 sln_node_is_leaf(const struct sln_node* node) 584 { 585 ASSERT(node); 586 return node->offset == 0; 587 } 588 589 const struct sln_node* 590 sln_node_get_child(const struct sln_node* node, const unsigned ichild) 591 { 592 ASSERT(node && ichild <= 1); 593 ASSERT(!sln_node_is_leaf(node)); 594 return node + node->offset + ichild; 595 } 596 597 size_t 598 sln_node_get_lines_count(const struct sln_node* node) 599 { 600 ASSERT(node); 601 return node->range[1] - node->range[0] + 1/*Both boundaries are inclusives*/; 602 } 603 604 res_T 605 sln_node_get_line 606 (const struct sln_tree* tree, 607 const struct sln_node* node, 608 const size_t iline, 609 struct shtr_line* line) 610 { 611 if(!tree || !node || iline > sln_node_get_lines_count(node)) 612 return RES_BAD_ARG; 613 614 return shtr_line_list_at 615 (tree->args.lines, node->range[0] + iline, line); 616 } 617 618 res_T 619 sln_node_get_mesh 620 (const struct sln_tree* tree, 621 const struct sln_node* node, 622 struct sln_mesh* mesh) 623 { 624 if(!tree || !node || !mesh) return RES_BAD_ARG; 625 mesh->vertices = darray_vertex_cdata_get(&tree->vertices) + node->ivertex; 626 mesh->nvertices = node->nvertices; 627 return RES_OK; 628 } 629 630 double 631 sln_node_eval 632 (const struct sln_tree* tree, 633 const struct sln_node* node, 634 const double nu) 635 { 636 double ka = 0; 637 size_t iline; 638 ASSERT(tree && node); 639 640 FOR_EACH(iline, node->range[0], node->range[1]+1) { 641 struct line line = LINE_NULL; 642 res_T res = RES_OK; 643 644 res = line_setup(tree, iline, &line); 645 if(res != RES_OK) { 646 WARN(tree->sln, "%s: could not setup the line %lu-- %s\n", 647 FUNC_NAME, iline, res_to_cstr(res)); 648 } 649 650 ka += line_value(tree, &line, nu); 651 } 652 return ka; 653 } 654 655 res_T 656 sln_node_get_desc(const struct sln_node* node, struct sln_node_desc* desc) 657 { 658 if(!node || !desc) return RES_BAD_ARG; 659 desc->nlines = node->range[1] - node->range[0]; 660 desc->nlines += 1/*boundaries are inclusives*/; 661 desc->nvertices = node->nvertices; 662 return RES_OK; 663 } 664 665 double 666 sln_mesh_eval(const struct sln_mesh* mesh, const double wavenumber) 667 { 668 const struct sln_vertex* vtx0 = NULL; 669 const struct sln_vertex* vtx1 = NULL; 670 const float nu = (float)wavenumber; 671 size_t n; /* #vertices */ 672 float u; /* Linear interpolation paraeter */ 673 ASSERT(mesh && mesh->nvertices); 674 675 n = mesh->nvertices; 676 677 /* Handle special cases */ 678 if(n == 1) return mesh->vertices[0].ka; 679 if(nu <= mesh->vertices[0].wavenumber) return mesh->vertices[0].ka; 680 if(nu >= mesh->vertices[n-1].wavenumber) return mesh->vertices[n-1].ka; 681 682 /* Dichotomic search of the mesh vertex whose wavenumber is greater than or 683 * equal to the submitted wavenumber 'nu' */ 684 vtx1 = search_lower_bound(&nu, mesh->vertices, n, sizeof(*vtx1), cmp_nu_vtx); 685 vtx0 = vtx1 - 1; 686 ASSERT(vtx1); /* A vertex is necessary found ...*/ 687 ASSERT(vtx1 > mesh->vertices); /* ... and it cannot be the first one */ 688 ASSERT(vtx0->wavenumber < nu && nu <= vtx1->wavenumber); 689 690 /* Compute the linear interpolation parameter */ 691 u = (nu - vtx0->wavenumber) / (vtx1->wavenumber - vtx0->wavenumber); 692 u = CLAMP(u, 0, 1); /* Handle numerical imprecisions */ 693 694 if(u == 0) return vtx0->ka; 695 if(u == 1) return vtx1->ka; 696 return u*(vtx1->ka - vtx0->ka) + vtx0->ka; 697 } 698 699 res_T 700 sln_tree_write 701 (const struct sln_tree* tree, 702 const struct sln_tree_write_args* args) 703 { 704 struct stream stream = STREAM_NULL; 705 size_t nnodes, nverts; 706 hash256_T hash_mdata; 707 hash256_T hash_lines; 708 res_T res = RES_OK; 709 710 if(!tree) { res = RES_BAD_ARG; goto error; } 711 res = check_sln_tree_write_args(tree->sln, FUNC_NAME, args); 712 if(res != RES_OK) goto error; 713 714 res = shtr_isotope_metadata_hash(tree->args.metadata, hash_mdata); 715 if(res != RES_OK) goto error; 716 res = shtr_line_list_hash(tree->args.lines, hash_lines); 717 if(res != RES_OK) goto error; 718 719 res = stream_init 720 (tree->sln, FUNC_NAME, args->filename, args->file, "w", &stream); 721 if(res != RES_OK) goto error; 722 723 #define WRITE(Var, Nb) { \ 724 if(fwrite((Var), sizeof(*(Var)), (Nb), stream.fp) != (Nb)) { \ 725 ERROR(tree->sln, "%s:%s: error writing the tree -- %s\n", \ 726 FUNC_NAME, stream.name, strerror(errno)); \ 727 res = RES_IO_ERR; \ 728 goto error; \ 729 } \ 730 } (void)0 731 WRITE(&SLN_TREE_VERSION, 1); 732 WRITE(hash_mdata, sizeof(hash256_T)); 733 WRITE(hash_lines, sizeof(hash256_T)); 734 735 nnodes = darray_node_size_get(&tree->nodes); 736 WRITE(&nnodes, 1); 737 WRITE(darray_node_cdata_get(&tree->nodes), nnodes); 738 739 nverts = darray_vertex_size_get(&tree->vertices); 740 WRITE(&nverts, 1); 741 WRITE(darray_vertex_cdata_get(&tree->vertices), nverts); 742 743 WRITE(&tree->args.line_profile, 1); 744 WRITE(&tree->args.molecules, 1); 745 WRITE(&tree->args.pressure, 1); 746 WRITE(&tree->args.temperature, 1); 747 WRITE(&tree->args.nvertices_hint, 1); 748 WRITE(&tree->args.mesh_decimation_err, 1); 749 WRITE(&tree->args.mesh_type, 1); 750 #undef WRITE 751 752 exit: 753 stream_release(&stream); 754 return res; 755 error: 756 goto exit; 757 }