
typedef union  {
    double d;
    int	   i;
    char  *s;
    Pair   p;
} YYSTYPE;
extern YYSTYPE yylval;
# define UNARY 257
# define DOUBLE 258
# define INTEGER 259
# define STRING 260
# define BOLINTEGER 261
# define BOLSTRING 262
# define PROBLEM 263
# define NODES 264
# define ELEMENTS 265
# define MATERIALS 266
# define FORCES 267
# define CONSTRAINTS 268
# define DISTRIBUTED 269
# define END 270
# define TITLE_EQ 271
# define NODES_EQ 272
# define ELEMENTS_EQ 273
# define MATERIAL_EQ 274
# define FORCE_EQ 275
# define CONSTRAINT_EQ 276
# define DIR_EQ 277
# define VALUES_EQ 278
# define LOAD_EQ 279
# define X_EQ 280
# define Y_EQ 281
# define Z_EQ 282
# define E_EQ 283
# define IX_EQ 284
# define IY_EQ 285
# define IZ_EQ 286
# define A_EQ 287
# define J_EQ 288
# define G_EQ 289
# define T_EQ 290
# define RHO_EQ 291
# define NU_EQ 292
# define KAPPA_EQ 293
# define FX_EQ 294
# define FY_EQ 295
# define FZ_EQ 296
# define MX_EQ 297
# define MY_EQ 298
# define MZ_EQ 299
# define TX_FIXED 300
# define TY_FIXED 301
# define TZ_FIXED 302
# define RX_FIXED 303
# define RY_FIXED 304
# define RZ_FIXED 305
# define TX_FREE 306
# define TY_FREE 307
# define TZ_FREE 308
# define RX_FREE 309
# define RY_FREE 310
# define RZ_FREE 311
# define TX_EXPR 312
# define TY_EXPR 313
# define TZ_EXPR 314
# define RX_EXPR 315
# define RY_EXPR 316
# define RZ_EXPR 317
# define RX_HINGE 318
# define RY_HINGE 319
# define RZ_HINGE 320
# define SIN 321
# define COS 322
# define TAN 323
# define SQRT 324
