| 1 |
/* |
| 2 |
* Utility functions for Ascend |
| 3 |
* Version: $Revision: 1.2 $ |
| 4 |
* Version control file: $RCSfile: old_utils.c,v $ |
| 5 |
* Date last modified: $Date: 1998/01/29 01:04:07 $ |
| 6 |
* Last modified by: $Author: ballan $ |
| 7 |
* Part of Ascend |
| 8 |
* |
| 9 |
* This file is part of the Ascend Programming System. |
| 10 |
* |
| 11 |
* Copyright (C) 1990 Thomas Guthrie Epperly, Karl Michael Westerberg |
| 12 |
* Copyright (C) 1993 Joseph James Zaher |
| 13 |
* Copyright (C) 1993, 1994 Benjamin Andrew Allan, Joseph James Zaher |
| 14 |
* |
| 15 |
* The Ascend Programming System is free software; you can redistribute |
| 16 |
* it and/or modify it under the terms of the GNU General Public License as |
| 17 |
* published by the Free Software Foundation; either version 2 of the |
| 18 |
* License, or (at your option) any later version. |
| 19 |
* |
| 20 |
* ASCEND is distributed in hope that it will be |
| 21 |
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 22 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 23 |
* General Public License for more details. |
| 24 |
* |
| 25 |
* You should have received a copy of the GNU General Public License |
| 26 |
* along with the program; if not, write to the Free Software Foundation, |
| 27 |
* Inc., 675 Mass Ave, Cambridge, MA 02139 USA. Check the file named |
| 28 |
* COPYING. |
| 29 |
* |
| 30 |
* This module defines the dimensionality checking and some other auxillaries |
| 31 |
* for Ascend. |
| 32 |
*/ |
| 33 |
|
| 34 |
#include <ctype.h> |
| 35 |
#include <math.h> |
| 36 |
#include "utilities/ascConfig.h" |
| 37 |
#include "utilities/ascMalloc.h" |
| 38 |
#include "general/list.h" |
| 39 |
#include "general/dstring.h" |
| 40 |
#include "compiler/compiler.h" |
| 41 |
#include "compiler/fractions.h" |
| 42 |
#include "compiler/dimen.h" |
| 43 |
#include "compiler/functype.h" |
| 44 |
#include "compiler/types.h" |
| 45 |
#include "compiler/sets.h" |
| 46 |
#include "compiler/instance_enum.h" |
| 47 |
#include "compiler/instance_name.h" |
| 48 |
#include "compiler/atomvalue.h" |
| 49 |
#include "compiler/parentchild.h" |
| 50 |
#include "compiler/symtab.h" |
| 51 |
#include "compiler/instance_io.h" |
| 52 |
#include "compiler/safe.h" |
| 53 |
#include "compiler/interval.h" |
| 54 |
#include "compiler/func.h" |
| 55 |
#include "compiler/extfunc.h" |
| 56 |
#include "compiler/extcall.h" |
| 57 |
#include "compiler/setinstval.h" |
| 58 |
#include "compiler/exprs.h" |
| 59 |
#include "compiler/value_type.h" |
| 60 |
#include "compiler/find.h" |
| 61 |
#include "compiler/relation_type.h" |
| 62 |
#include "compiler/relation.h" |
| 63 |
#include "compiler/relation_util.h" |
| 64 |
#include "interface/old_utils.h" |
| 65 |
|
| 66 |
/*int g_check_dimensions_noisy=1;*/ |
| 67 |
#define GCDN g_check_dimensions_noisy |
| 68 |
|
| 69 |
static char *write_char(str,slim,c) |
| 70 |
char *str,*slim; |
| 71 |
int c; |
| 72 |
{ |
| 73 |
if( str < slim ) *(str++) = c; |
| 74 |
return(str); |
| 75 |
} |
| 76 |
|
| 77 |
static char *write_string(str,slim,s) |
| 78 |
char *str,*slim; |
| 79 |
char *s; |
| 80 |
{ |
| 81 |
for( ; *s != '\0' ; ++s ) |
| 82 |
str = write_char(str,slim,*s); |
| 83 |
return(str); |
| 84 |
} |
| 85 |
|
| 86 |
#define SIZE_INCREMENT 16 |
| 87 |
#define ROOM_FOR_INT 11 /* a 32-bit int, that is */ |
| 88 |
char *asc_make_dimensions(dim) |
| 89 |
dim_type *dim; |
| 90 |
{ |
| 91 |
boolean first; |
| 92 |
char *dimens; |
| 93 |
char *str, *slim; |
| 94 |
int size = 0; |
| 95 |
|
| 96 |
if( IsWild(dim) ) { |
| 97 |
dimens = (char *)ascmalloc(2*sizeof(char)); |
| 98 |
sprintf(dimens,"*"); |
| 99 |
return( dimens ); |
| 100 |
} |
| 101 |
|
| 102 |
str = slim = dimens = NULL; |
| 103 |
while( str==slim ) { |
| 104 |
int n; |
| 105 |
size += SIZE_INCREMENT; |
| 106 |
if( dimens != NULL ) ascfree(dimens); |
| 107 |
str = dimens = (char *)ascmalloc(size*sizeof(char)); |
| 108 |
slim = str + size; |
| 109 |
first = TRUE; |
| 110 |
for( n=0 ; n<NUM_DIMENS ; ++n ) { |
| 111 |
struct fraction frac; |
| 112 |
frac = GetDimFraction(*dim,n); |
| 113 |
if( Numerator(frac) == 0 ) |
| 114 |
continue; |
| 115 |
|
| 116 |
if( !first ) str = write_string(str, slim, " * "); |
| 117 |
str = write_string(str, slim, DimName(n)); |
| 118 |
if( Denominator(frac) == 1 ) { |
| 119 |
if( Numerator(frac) != 1 ) { |
| 120 |
char buf[ROOM_FOR_INT]; |
| 121 |
sprintf(buf,"%d",(int)Numerator(frac)); |
| 122 |
str = write_char(str, slim, '^'); |
| 123 |
str = write_string(str, slim, buf); |
| 124 |
} |
| 125 |
} else { |
| 126 |
char buf[ROOM_FOR_INT]; |
| 127 |
str = write_string(str, slim, "^("); |
| 128 |
sprintf(buf,"%d",(int)Numerator(frac)); |
| 129 |
str = write_string(str, slim, buf); |
| 130 |
str = write_char(str, slim, '/'); |
| 131 |
sprintf(buf,"%d",(int)Denominator(frac)); |
| 132 |
str = write_string(str, slim, buf); |
| 133 |
str = write_char(str, slim, ')'); |
| 134 |
} |
| 135 |
first = FALSE; |
| 136 |
} |
| 137 |
} |
| 138 |
*str = '\0'; |
| 139 |
return(dimens); |
| 140 |
} |
| 141 |
#undef ROOM_FOR_INT |
| 142 |
#undef SIZE_INCREMENT |
| 143 |
|
| 144 |
#ifdef THIS_MAY_BE_UNUSED_CODE |
| 145 |
/* commenting out unused functions mthomas.96.09.20 */ |
| 146 |
/* dim checking stuff invokable at any time. */ |
| 147 |
static double frac_to_real(frac) |
| 148 |
struct fraction frac; |
| 149 |
{ |
| 150 |
return( (double)Numerator(frac) / (double)Denominator(frac) ); |
| 151 |
} |
| 152 |
#endif |
| 153 |
|
| 154 |
#define START 10000 /* largest power of 10 held by a short */ |
| 155 |
static struct fraction real_to_frac(real) |
| 156 |
double real; |
| 157 |
{ |
| 158 |
short num, den; |
| 159 |
for( den=START; den>1 && fabs(real)*den>SHRT_MAX; den /= 10 ) ; |
| 160 |
num = (short)(fabs(real)*den + 0.5); |
| 161 |
if( real < 0.0 ) num = -num; |
| 162 |
return( CreateFraction(num,den) ); |
| 163 |
} |
| 164 |
#undef START |
| 165 |
|
| 166 |
|
| 167 |
static int nargs(type) |
| 168 |
enum Expr_enum type; |
| 169 |
{ |
| 170 |
switch(type) { |
| 171 |
case e_int: |
| 172 |
case e_real: |
| 173 |
case e_var: |
| 174 |
case e_zero: |
| 175 |
return(0); |
| 176 |
|
| 177 |
case e_func: |
| 178 |
case e_uminus: |
| 179 |
return(1); |
| 180 |
|
| 181 |
case e_plus: |
| 182 |
case e_minus: |
| 183 |
case e_times: |
| 184 |
case e_divide: |
| 185 |
case e_power: |
| 186 |
case e_ipower: |
| 187 |
return(2); |
| 188 |
|
| 189 |
default: |
| 190 |
FPRINTF(stderr,"Unknown relation term type.\n"); |
| 191 |
return(0); |
| 192 |
} |
| 193 |
} |
| 194 |
|
| 195 |
struct dimnode { |
| 196 |
dim_type d; |
| 197 |
enum Expr_enum type; |
| 198 |
short int_const; |
| 199 |
double real_const; |
| 200 |
struct fraction power; |
| 201 |
}; |
| 202 |
|
| 203 |
static int IsZero(struct dimnode *node) |
| 204 |
{ |
| 205 |
if( node->type==e_real && node->real_const==0.0 ) |
| 206 |
return TRUE; |
| 207 |
return FALSE; |
| 208 |
} |
| 209 |
|
| 210 |
|
| 211 |
static void apply_term_dimensions(struct relation *rel, |
| 212 |
struct relation_term *rt, |
| 213 |
struct dimnode *first, |
| 214 |
struct dimnode *second, |
| 215 |
boolean *con, /* consistent ? */ |
| 216 |
boolean *wild) /* wild ? */ |
| 217 |
{ |
| 218 |
enum Expr_enum type; |
| 219 |
|
| 220 |
switch(type=RelationTermType(rt)) { |
| 221 |
case e_int: |
| 222 |
CopyDimensions(Dimensionless(),&(first->d)); |
| 223 |
first->int_const = (short)TermInteger(rt); |
| 224 |
first->type = type; |
| 225 |
break; |
| 226 |
|
| 227 |
case e_zero: |
| 228 |
CopyDimensions(Dimensionless(),&(first->d)); |
| 229 |
first->real_const = TermReal(rt); |
| 230 |
first->type = type; |
| 231 |
break; |
| 232 |
|
| 233 |
case e_real: |
| 234 |
CopyDimensions(TermDimensions(rt),&(first->d)); |
| 235 |
first->real_const = TermReal(rt); |
| 236 |
first->type = type; |
| 237 |
break; |
| 238 |
|
| 239 |
case e_var: { |
| 240 |
struct Instance *var = RelationVariable(rel,TermVarNumber(rt)); |
| 241 |
CopyDimensions(RealAtomDims(var),&(first->d)); |
| 242 |
first->type = type; |
| 243 |
break; |
| 244 |
} |
| 245 |
case e_func: { |
| 246 |
enum Func_enum id = FuncId(TermFunc(rt)); |
| 247 |
switch( id ) { |
| 248 |
case F_SQR: |
| 249 |
/* no checking, just simple scaling */ |
| 250 |
first->d = ScaleDimensions(&(first->d),CreateFraction(2,1)); |
| 251 |
break; |
| 252 |
|
| 253 |
case F_CUBE: |
| 254 |
/* no checking, just simple scaling */ |
| 255 |
first->d = ScaleDimensions(&(first->d),CreateFraction(3,1)); |
| 256 |
break; |
| 257 |
|
| 258 |
case F_SQRT: |
| 259 |
/* no checking, just simple scaling */ |
| 260 |
first->d = ScaleDimensions(&(first->d),CreateFraction(1,2)); |
| 261 |
break; |
| 262 |
|
| 263 |
case F_CBRT: |
| 264 |
/* no checking, just simple scaling */ |
| 265 |
first->d = ScaleDimensions(&(first->d),CreateFraction(1,3)); |
| 266 |
break; |
| 267 |
|
| 268 |
case F_HOLD: |
| 269 |
case F_ABS: |
| 270 |
/* For abs, there is nothing to do, so just break out. |
| 271 |
* assuming first->d is o.k. |
| 272 |
*/ |
| 273 |
break; |
| 274 |
|
| 275 |
case F_EXP: |
| 276 |
case F_LN: |
| 277 |
case F_LNM: |
| 278 |
case F_LOG: |
| 279 |
case F_ERF: |
| 280 |
case F_SINH: |
| 281 |
case F_COSH: |
| 282 |
case F_TANH: |
| 283 |
case F_ARCSINH: |
| 284 |
case F_ARCCOSH: |
| 285 |
case F_ARCTANH: |
| 286 |
/* |
| 287 |
* first must now be dimensionless. It will |
| 288 |
* end up dimensionless as well. |
| 289 |
*/ |
| 290 |
if( IsWild(&(first->d)) && !IsZero(first) ) { |
| 291 |
char *name = (char *)FuncName(TermFunc(rt)); |
| 292 |
if( !*wild ) *wild = TRUE; |
| 293 |
if (GCDN) { |
| 294 |
FPRINTF(stderr,"ERROR: Relation has wild dimensions\n"); |
| 295 |
FPRINTF(stderr," in function %s.\n",name); |
| 296 |
} |
| 297 |
} else if( !IsWild(&(first->d)) && |
| 298 |
CmpDimen(&(first->d),Dimensionless()) ) { |
| 299 |
char *name = (char *)FuncName(TermFunc(rt)); |
| 300 |
char *dimstring = asc_make_dimensions(&(first->d)); |
| 301 |
if( *con ) *con = FALSE; |
| 302 |
if (GCDN) { |
| 303 |
FPRINTF(stderr,"ERROR: Function %s called\n",name); |
| 304 |
FPRINTF(stderr," with dimensions %s.\n",dimstring); |
| 305 |
} |
| 306 |
ascfree(dimstring); |
| 307 |
} |
| 308 |
CopyDimensions(Dimensionless(),&(first->d)); |
| 309 |
break; |
| 310 |
|
| 311 |
case F_SIN: |
| 312 |
case F_COS: |
| 313 |
case F_TAN: { |
| 314 |
/* |
| 315 |
* first must now be of dimension D_PLANE_ANGLE. |
| 316 |
* It will then be made dimensionless. |
| 317 |
*/ |
| 318 |
if( IsWild(&(first->d)) && !IsZero(first) ) { |
| 319 |
char *name = (char *)FuncName(TermFunc(rt)); |
| 320 |
if( !*wild ) *wild = TRUE; |
| 321 |
if (GCDN) { |
| 322 |
FPRINTF(stderr,"ERROR: Relation has wild dimensions\n"); |
| 323 |
FPRINTF(stderr," in function %s.\n",name); |
| 324 |
} |
| 325 |
} else if( !IsWild(&(first->d)) && |
| 326 |
CmpDimen(&(first->d),TrigDimension()) ) { |
| 327 |
char *dimstring = asc_make_dimensions(&(first->d)); |
| 328 |
char *name = (char *)FuncName(TermFunc(rt)); |
| 329 |
if( *con ) *con = FALSE; |
| 330 |
if (GCDN) { |
| 331 |
FPRINTF(stderr,"ERROR: Function %s called with\n",name); |
| 332 |
FPRINTF(stderr," dimensions %s.\n",dimstring); |
| 333 |
} |
| 334 |
ascfree(dimstring); |
| 335 |
} |
| 336 |
CopyDimensions(Dimensionless(),&(first->d)); |
| 337 |
break; |
| 338 |
} |
| 339 |
|
| 340 |
case F_ARCSIN: |
| 341 |
case F_ARCCOS: |
| 342 |
case F_ARCTAN: |
| 343 |
/* |
| 344 |
* first must now be dimensionless. It will |
| 345 |
* end up with dimension D_PLANE_ANGLE |
| 346 |
*/ |
| 347 |
if( IsWild(&(first->d)) && !IsZero(first) ) { |
| 348 |
char *name = (char *)FuncName(TermFunc(rt)); |
| 349 |
if( !*wild ) *wild = TRUE; |
| 350 |
if (GCDN) { |
| 351 |
FPRINTF(stderr,"ERROR: Relation has wild dimensions\n"); |
| 352 |
FPRINTF(stderr," in function %s.\n",name); |
| 353 |
} |
| 354 |
} else if( !IsWild(&(first->d)) && |
| 355 |
CmpDimen(&(first->d),Dimensionless()) ) { |
| 356 |
char *dimstring = asc_make_dimensions(&(first->d)); |
| 357 |
char *name =(char *) FuncName(TermFunc(rt)); |
| 358 |
if( *con ) *con = FALSE; |
| 359 |
if (GCDN) { |
| 360 |
FPRINTF(stderr,"ERROR: Function %s called with\n",name); |
| 361 |
FPRINTF(stderr," dimensions %s.\n",dimstring); |
| 362 |
} |
| 363 |
ascfree(dimstring); |
| 364 |
} |
| 365 |
CopyDimensions(TrigDimension(),&(first->d)); |
| 366 |
break; |
| 367 |
} |
| 368 |
first->type = type; |
| 369 |
break; |
| 370 |
} |
| 371 |
|
| 372 |
case e_uminus: |
| 373 |
first->type = type; |
| 374 |
break; |
| 375 |
|
| 376 |
case e_times: |
| 377 |
first->d = AddDimensions(&(first->d),&(second->d)); |
| 378 |
first->type = type; |
| 379 |
break; |
| 380 |
|
| 381 |
case e_divide: |
| 382 |
first->d = SubDimensions(&(first->d),&(second->d)); |
| 383 |
first->type = type; |
| 384 |
break; |
| 385 |
|
| 386 |
case e_power: |
| 387 |
case e_ipower: |
| 388 |
if( IsWild(&(second->d)) && !IsZero(second) ) { |
| 389 |
if( !*wild ) *wild = TRUE; |
| 390 |
if (GCDN) { |
| 391 |
FPRINTF(stderr,"ERROR: Relation has wild dimensions\n"); |
| 392 |
FPRINTF(stderr," in exponent.\n"); |
| 393 |
} |
| 394 |
} else if( !IsWild(&(second->d)) && |
| 395 |
CmpDimen(&(second->d),Dimensionless()) ) { |
| 396 |
char *dimstring = asc_make_dimensions(&(second->d)); |
| 397 |
if( *con ) *con = FALSE; |
| 398 |
if (GCDN) { |
| 399 |
FPRINTF(stderr,"ERROR: Exponent has dimensions %s.\n", |
| 400 |
dimstring); |
| 401 |
} |
| 402 |
ascfree(dimstring); |
| 403 |
} |
| 404 |
CopyDimensions(Dimensionless(),&(second->d)); |
| 405 |
switch( second->type ) { |
| 406 |
case e_int: |
| 407 |
if( !IsWild(&(first->d)) && |
| 408 |
CmpDimen(&(first->d),Dimensionless()) ) { |
| 409 |
struct fraction power; |
| 410 |
power = CreateFraction(second->int_const,1); |
| 411 |
first->d = ScaleDimensions(&(first->d),power); |
| 412 |
} |
| 413 |
break; |
| 414 |
|
| 415 |
case e_real: |
| 416 |
if( !IsWild(&(first->d)) && |
| 417 |
CmpDimen(&(first->d),Dimensionless()) ) { |
| 418 |
struct fraction power; |
| 419 |
power = real_to_frac(second->real_const); |
| 420 |
first->d = ScaleDimensions(&(first->d),power); |
| 421 |
} |
| 422 |
break; |
| 423 |
|
| 424 |
default: |
| 425 |
if( IsWild(&(first->d)) && !IsZero(first) ) { |
| 426 |
if( !*wild ) *wild = TRUE; |
| 427 |
if (GCDN) { |
| 428 |
FPRINTF(stderr,"ERROR: Relation has wild dimensions\n"); |
| 429 |
FPRINTF(stderr," raised to a non-constant power.\n"); |
| 430 |
} |
| 431 |
} else if( !IsWild(&(first->d)) && |
| 432 |
CmpDimen(&(first->d),Dimensionless()) ) { |
| 433 |
char *dimstring = asc_make_dimensions(&(first->d)); |
| 434 |
if( *con ) *con = FALSE; |
| 435 |
if (GCDN) { |
| 436 |
FPRINTF(stderr, |
| 437 |
"ERROR: Dimensions %s are\n",dimstring); |
| 438 |
FPRINTF(stderr, |
| 439 |
" raised to a non-constant power.\n"); |
| 440 |
} |
| 441 |
ascfree(dimstring); |
| 442 |
} |
| 443 |
CopyDimensions(Dimensionless(),&(first->d)); |
| 444 |
break; |
| 445 |
|
| 446 |
} |
| 447 |
first->type = type; |
| 448 |
break; |
| 449 |
|
| 450 |
case e_plus: |
| 451 |
case e_minus: |
| 452 |
if( IsWild(&(first->d)) && IsZero(first) ) { |
| 453 |
/* first wild zero */ |
| 454 |
CopyDimensions(&(second->d),&(first->d)); |
| 455 |
first->type = second->type; |
| 456 |
if( second->type==e_int ) |
| 457 |
first->int_const = second->int_const; |
| 458 |
if( second->type==e_real ) |
| 459 |
first->real_const = second->real_const; |
| 460 |
} else if( IsWild(&(first->d)) && !IsZero(first) ) { |
| 461 |
/* first wild non-zero */ |
| 462 |
if( IsWild(&(second->d)) && !IsZero(second) ) { |
| 463 |
/* second wild non-zero */ |
| 464 |
if( !*wild ) *wild = TRUE; |
| 465 |
if (GCDN) { |
| 466 |
FPRINTF(stderr,"ERROR: %s has wild dimensions on\n", |
| 467 |
type==e_plus ? "Addition":"Subtraction"); |
| 468 |
FPRINTF(stderr," left and right hand sides.\n"); |
| 469 |
} |
| 470 |
first->type = type; |
| 471 |
} else if( !IsWild(&(second->d)) ) { |
| 472 |
/* second not wild */ |
| 473 |
if( !*wild ) *wild = TRUE; |
| 474 |
if (GCDN) { |
| 475 |
FPRINTF(stderr,"ERROR: %s has wild dimensions on\n", |
| 476 |
type==e_plus ? "Addition":"Subtraction"); |
| 477 |
FPRINTF(stderr," left hand side.\n"); |
| 478 |
} |
| 479 |
CopyDimensions(&(second->d),&(first->d)); |
| 480 |
first->type = type; |
| 481 |
} |
| 482 |
} else if( !IsWild(&(first->d)) ) { |
| 483 |
/* first not wild */ |
| 484 |
if( IsWild(&(second->d)) && !IsZero(second) ) { |
| 485 |
/* second wild non-zero */ |
| 486 |
if( !*wild ) *wild = TRUE; |
| 487 |
if (GCDN) { |
| 488 |
FPRINTF(stderr,"ERROR: %s has wild dimensions on\n", |
| 489 |
type==e_plus ? "Addition":"Subtraction"); |
| 490 |
FPRINTF(stderr," right hand side.\n"); |
| 491 |
} |
| 492 |
first->type = type; |
| 493 |
} else if ( !IsWild(&(second->d)) ) { |
| 494 |
/* second not wild */ |
| 495 |
if( CmpDimen(&(first->d),&(second->d)) ) { |
| 496 |
char *dimfirst = asc_make_dimensions(&(first->d)); |
| 497 |
char *dimsecond = asc_make_dimensions(&(second->d)); |
| 498 |
if( *con ) *con = FALSE; |
| 499 |
if (GCDN) { |
| 500 |
FPRINTF(stderr,"ERROR: %s has dimensions %s on left\n", |
| 501 |
type==e_plus ? "Addition":"Subtraction", |
| 502 |
dimfirst); |
| 503 |
FPRINTF(stderr," and dimensions %s on right.\n", |
| 504 |
dimsecond); |
| 505 |
} |
| 506 |
ascfree(dimfirst); |
| 507 |
ascfree(dimsecond); |
| 508 |
} |
| 509 |
first->type = type; |
| 510 |
} |
| 511 |
} |
| 512 |
break; |
| 513 |
|
| 514 |
default: |
| 515 |
FPRINTF(stderr,"ERROR: Unknown relation term type.\n"); |
| 516 |
if( *con ) *con = FALSE; |
| 517 |
first->type = type; |
| 518 |
break; |
| 519 |
} |
| 520 |
} |
| 521 |
|
| 522 |
|
| 523 |
int asc_check_dimensions(rel,dimens) |
| 524 |
struct relation *rel; |
| 525 |
dim_type *dimens; |
| 526 |
{ |
| 527 |
struct dimnode *stack, *sp; |
| 528 |
boolean consistent = TRUE; |
| 529 |
boolean wild = FALSE; |
| 530 |
unsigned long c, len; |
| 531 |
|
| 532 |
if ( !IsWild(RelationDim(rel)) ) { /* don't do this twice */ |
| 533 |
CopyDimensions(RelationDim(rel),dimens); |
| 534 |
return 2; |
| 535 |
} |
| 536 |
sp = stack = (struct dimnode *) |
| 537 |
ascmalloc(RelationDepth(rel)*sizeof(struct dimnode)); |
| 538 |
switch( RelationRelop(rel) ) { |
| 539 |
case e_less: |
| 540 |
case e_lesseq: |
| 541 |
case e_greater: |
| 542 |
case e_greatereq: |
| 543 |
case e_equal: |
| 544 |
case e_notequal: |
| 545 |
/* Working on the left-hand-side */ |
| 546 |
len = RelationLength(rel,TRUE); |
| 547 |
for( c = 1; c <= len; c++ ) { |
| 548 |
struct relation_term *rt; |
| 549 |
rt = (struct relation_term *)RelationTerm(rel,c,TRUE); |
| 550 |
sp += 1-nargs(RelationTermType(rt)); |
| 551 |
apply_term_dimensions(rel,rt,sp-1,sp,&consistent,&wild); |
| 552 |
} /* stack[0].d contains the dimensions of the lhs expression */ |
| 553 |
|
| 554 |
/* Now working on the right-hand_side */ |
| 555 |
len = RelationLength(rel,FALSE); |
| 556 |
for( c = 1; c <= len; c++ ) { |
| 557 |
struct relation_term *rt; |
| 558 |
rt = (struct relation_term *) RelationTerm(rel,c,FALSE); |
| 559 |
sp += 1-nargs(RelationTermType(rt)); |
| 560 |
apply_term_dimensions(rel,rt,sp-1,sp,&consistent,&wild); |
| 561 |
} /* stack[1].d contains the dimensions of the rhs expression */ |
| 562 |
|
| 563 |
if( IsWild(&(stack[0].d)) || IsWild(&(stack[1].d)) ) { |
| 564 |
if( IsWild(&(stack[0].d)) && !IsZero(&(stack[0])) ) { |
| 565 |
if( !wild ) wild = TRUE; |
| 566 |
if (GCDN) { |
| 567 |
FPRINTF(stderr,"ERROR: Relation has wild dimensions\n"); |
| 568 |
FPRINTF(stderr," on left hand side.\n"); |
| 569 |
} |
| 570 |
} |
| 571 |
if( IsWild(&(stack[1].d)) && !IsZero(&(stack[1])) ) { |
| 572 |
if( !wild ) wild = TRUE; |
| 573 |
if (GCDN) { |
| 574 |
FPRINTF(stderr,"ERROR: Relation has wild dimensions\n"); |
| 575 |
FPRINTF(stderr," on right hand side.\n"); |
| 576 |
} |
| 577 |
} |
| 578 |
|
| 579 |
} else if( CmpDimen(&(stack[0].d),&(stack[1].d)) ) { |
| 580 |
char *dimfirst = asc_make_dimensions(&(stack[0].d)); |
| 581 |
char *dimsecond = asc_make_dimensions(&(stack[1].d)); |
| 582 |
if( consistent ) consistent = FALSE; |
| 583 |
if (GCDN) { |
| 584 |
FPRINTF(stderr,"ERROR: Relation has dimensions %s on left\n", |
| 585 |
dimfirst); |
| 586 |
FPRINTF(stderr," and dimensions %s on right.\n", |
| 587 |
dimsecond); |
| 588 |
} |
| 589 |
ascfree(dimfirst); |
| 590 |
ascfree(dimsecond); |
| 591 |
} |
| 592 |
break; |
| 593 |
|
| 594 |
case e_maximize: |
| 595 |
case e_minimize: |
| 596 |
/* Working on the left-hand-side */ |
| 597 |
len = RelationLength(rel,TRUE); |
| 598 |
for( c = 1; c <= len; c++ ) { |
| 599 |
struct relation_term *rt; |
| 600 |
rt = (struct relation_term *) RelationTerm(rel,c,TRUE); |
| 601 |
sp += 1-nargs(RelationTermType(rt)); |
| 602 |
apply_term_dimensions(rel,rt,sp-1,sp,&consistent,&wild); |
| 603 |
} /* stack[0].d contains the dimensions of the lhs expression */ |
| 604 |
|
| 605 |
if( IsWild(&(stack[0].d)) && !IsZero(&(stack[0])) ) { |
| 606 |
if( !wild ) wild = TRUE; |
| 607 |
if (GCDN) { |
| 608 |
FPRINTF(stderr,"ERROR: Objective has wild dimensions.\n"); |
| 609 |
} |
| 610 |
} |
| 611 |
break; |
| 612 |
|
| 613 |
default: |
| 614 |
FPRINTF(stderr,"ERROR: Unknown relation type.\n"); |
| 615 |
if( consistent ) consistent = FALSE; |
| 616 |
break; |
| 617 |
} |
| 618 |
CopyDimensions(&(stack[0].d),dimens); |
| 619 |
ascfree(stack); |
| 620 |
return( consistent && !wild ); |
| 621 |
} |
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