Blame view

src/constraints/var_eq_minus_abs.c 47.1 KB
94b2b13d   Pedro Roque   PHACT source
1
2
3
4
/*
 * var_eq_minus_abs.c
 *
 *  Created on: 16/12/2014
4d26a735   Pedro Roque   Increased recogni...
5
 *      Author: pedro
94b2b13d   Pedro Roque   PHACT source
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
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
49
50
51
52
53
54
55
56
57
58
59
60
 */

#ifndef __OPENCL_VERSION__

#include <stddef.h>
#include <stdio.h>

#include "var_eq_minus_abs.h"

#include "../bitmaps.h"
#include "../config.h"
#include "../variables.h"

#endif

#include "../kernels/cl_aux_functions.h"
#if CL_D_TYPE == CL_BITMAP
#include "../kernels/cl_bitmaps.h"
#elif CL_D_TYPE == CL_INTERVAL
#include  "../kernels/cl_intervals.h"
#endif
#include "../kernels/cl_constraints.h"
#include "../kernels/cl_variables.h"
#include "../kernels/cl_ttl.h"

#ifndef __OPENCL_VERSION__

/*
 * Creates a new constraint of the var_eq_minus_abs type and return the constraint ID
 * x = |y − z|
 * x_id - ID of variable x
 * y_id - ID of variable y
 * z_id - ID of variable z
 */
unsigned int c_var_eq_minus_abs(unsigned int x_id, unsigned int y_id, unsigned int z_id) {

	// set to include in kernel compilation
	USE_CS[VAR_EQ_MINUS_ABS] = 1;
	USE_NON_CS_REIFI[VAR_EQ_MINUS_ABS] = 1;
	REV = 1;

	unsigned int c_vs[3];
	c_vs[0] = x_id;
	c_vs[1] = y_id;
	c_vs[2] = z_id;

	// creates a new generic constraint
	unsigned int c_id = c_new(c_vs, 3, NULL, 0, -1);

	// variable to select from x = y − z or x = z − y
	unsigned int v_id = v_new_range(0, 1, false);

	// pointers to this type of constraint functions
	CS[c_id].kind = VAR_EQ_MINUS_ABS;
	CS[c_id].check_sol_f = &var_eq_minus_abs_check;
4d26a735   Pedro Roque   Increased recogni...
61
	CS[c_id].constant_val = (int)v_id;
94b2b13d   Pedro Roque   PHACT source
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79

	return c_id;
}

/*
 * Creates a new constraint of the var_eq_minus_abs type and return the constraint ID
 * x = |y − z|
 * x_id - ID of variable x
 * y_id - ID of variable y
 * z_id - ID of variable z
 * reif_v_id - ID of the reification variable
 */
unsigned int c_var_eq_minus_var_eq_minus_abs_reif(unsigned int x_id, unsigned int y_id, unsigned int z_id, int reif_v_id) {

	if (VS[reif_v_id].max > 1) {
		v_del_gt(&VS[reif_v_id], 1);

		if (VS[reif_v_id].n_vals == 0) {
4d26a735   Pedro Roque   Increased recogni...
80
81
82
83
84
85
86
87
			fprintf(stderr, "\nError: Constraint VAR_EQ_MINUS_ABS_REIF makes model inconsistent at creation:\n");
			exit(-1);
		}
	}

	// set to include in kernel compilation
	USE_CS[VAR_EQ_MINUS_ABS] = 1;
	USE_CS_REIFI[VAR_EQ_MINUS_ABS] = 1;
94b2b13d   Pedro Roque   PHACT source
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
	REV = 1;

	unsigned int c_vs[3];
	c_vs[0] = x_id;
	c_vs[1] = y_id;
	c_vs[2] = z_id;

	// creates a new generic constraint
	unsigned int c_id = c_new(c_vs, 3, NULL, 0, reif_v_id);

	// variable to select from x = y − z or x = z − y
	unsigned int v_id = v_new_range(0, 1, false);

	// pointers to this type of constraint functions
	CS[c_id].kind = VAR_EQ_MINUS_ABS;
	CS[c_id].check_sol_f = &var_eq_minus_abs_check;
	CS[c_id].constant_val = (int)v_id;

	return c_id;
}

/*
4d26a735   Pedro Roque   Increased recogni...
110
 * Return true if the var_eq_minus_abs constraint is respected or false if not
94b2b13d   Pedro Roque   PHACT source
111
112
113
114
115
116
117
118
119
120
 * x = |y − z|
 * c - constraint to check if is respected
 * explored - if the CSP was already explored, which mean that all the variables must already be singletons
 * */
bool var_eq_minus_abs_check(constr* c, bool explored) {

	// check if any variable inside same a_eq_b_minus_c constraint has domain 0, more than one value
	// or if the sum is not correct. If so, return false. Else return true.
	if (
#if CHECK_SOL_N_VALS
4d26a735   Pedro Roque   Increased recogni...
121
122
123
124
125
126
127
128
129
130
131
			(c->c_vs[0]->to_label && c->c_vs[0]->n_vals != 1) || (c->c_vs[1]->to_label && c->c_vs[1]->n_vals != 1) ||
			(c->c_vs[2]->to_label && c->c_vs[2]->n_vals != 1) || (VS[c->constant_val].to_label && VS[c->constant_val].n_vals != 1) ||
#endif
			((VS[c->constant_val].min == 0 && c->c_vs[0]->min != c->c_vs[1]->min - c->c_vs[2]->min)
			|| (VS[c->constant_val].min == 1 && c->c_vs[0]->min != c->c_vs[2]->min - c->c_vs[1]->min))) {

		if (explored) {
			fprintf(stderr, "\nError: Constraint VAR_EQ_MINUS_ABS (%u) not respected:\n", c->c_id);

			fprintf(stderr, "Variable ID=%u -> minimum=%u, maximum=%u, number of values=%u\n\n", c->c_vs[0]->v_id, b_get_min_val(&c->c_vs[0]->domain_b),
					b_get_max_val(&c->c_vs[0]->domain_b), b_cnt_vals(&c->c_vs[0]->domain_b));
94b2b13d   Pedro Roque   PHACT source
132
			fprintf(stderr, "Variable ID=%u -> minimum=%u, maximum=%u, number of values=%u\n\n", c->c_vs[1]->v_id, b_get_min_val(&c->c_vs[1]->domain_b),
4d26a735   Pedro Roque   Increased recogni...
133
					b_get_max_val(&c->c_vs[1]->domain_b), b_cnt_vals(&c->c_vs[1]->domain_b));
94b2b13d   Pedro Roque   PHACT source
134
			fprintf(stderr, "Variable ID=%u -> minimum=%u, maximum=%u, number of values=%u\n\n", c->c_vs[2]->v_id, b_get_min_val(&c->c_vs[2]->domain_b),
4d26a735   Pedro Roque   Increased recogni...
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
					b_get_max_val(&c->c_vs[2]->domain_b), b_cnt_vals(&c->c_vs[2]->domain_b));
		}
		return false;
	}

	return true;
}

#endif

#if CS_VAR_EQ_MINUS_ABS == 1
/*
 * Propagate the domain of the variable with the ID prop_v_id through all the other variables on the same c_numb ID var_eq_minus_abs constraint
 * x = |y − z|
  * prop_ok will be set to 1 if success or to 0 if any domain became empty
 * vs_per_c_idx - vector with all constrained variables ID per constraint, per constraint ID order
 * vs_prop_ - all CSP variables with current step values
 * prop_v_id - variable ID to propagate
 * current_cs - constraint that should be propagated for the variable with prop_v_id ID
 * vs_id_to_prop_ - circular vector with the ids of the variables to propagate
 */
CUDA_FUNC void var_eq_minus_abs_prop(CL_INTS_MEM int* vs_per_c_idx, CL_MEMORY VARS_PROP* vs_prop_, unsigned int prop_v_id, CL_CS_MEM cl_constr* current_cs, CL_MEMORY unsigned short* vs_id_to_prop_,
94b2b13d   Pedro Roque   PHACT source
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
		bool* prop_ok TTL_CTR) {

	int x_id = vs_per_c_idx[0];
	int y_id = vs_per_c_idx[1];
	int z_id = vs_per_c_idx[2];
	int v_id = current_cs->constant_val;	// variable used to flag the constraint (x = y − z or x = z − y) that should be propagated
	VARS_PROP x;
	VARS_PROP y;
	VARS_PROP z;
	bool changed;
	bool changed_x1;
	bool changed_y1;
	bool changed_z1;
	bool changed_x2;
	bool changed_y2;
	bool changed_z2;
	int i;

	// if no choice made, try to remove x = y − z
	if (V_N_VALS(vs_prop_[v_id]) == 2) {
94b2b13d   Pedro Roque   PHACT source
177
178
		cl_v_copy_pm(&x, &vs_prop_[x_id] TTL_CTR_V);
		cl_v_copy_pm(&y, &vs_prop_[y_id] TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
179
		cl_v_copy_pm(&z, &vs_prop_[z_id] TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
180
181

		for (i = 0; i < 1; i++) {
4d26a735   Pedro Roque   Increased recogni...
182
			if (prop_v_id == (unsigned int)x_id) {
94b2b13d   Pedro Roque   PHACT source
183

4d26a735   Pedro Roque   Increased recogni...
184
185
186
187
188
189
				cl_v_del_lt_n(&changed_y1, &y, V_MIN(x) + V_MIN(z) TTL_CTR_V);
				if (changed_y1) {
					if (V_IS_EMPTY(y)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
94b2b13d   Pedro Roque   PHACT source
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
				}
				cl_v_del_gt_n(&changed_y2, &y, V_MAX(x) + V_MAX(z) TTL_CTR_V);
				if (changed_y2) {
					if (V_IS_EMPTY(y)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
				}
				cl_v_del_lt_n(&changed_z1, &z, V_MIN(y) - V_MAX(x) TTL_CTR_V);
				if (changed_z1) {
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
				}
				cl_v_del_gt_n(&changed_z2, &z, V_MAX(y) - V_MIN(x) TTL_CTR_V);
				if (changed_z2) {
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
				}
				break;
			}
4d26a735   Pedro Roque   Increased recogni...
214

94b2b13d   Pedro Roque   PHACT source
215
			if (prop_v_id == (unsigned int)y_id) {
4d26a735   Pedro Roque   Increased recogni...
216
				cl_v_del_lt_n(&changed_x1, &x, V_MIN(y) - V_MAX(z) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
217
218
219
220
221
222
				if (changed_x1) {
					if (V_IS_EMPTY(x)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
				}
4d26a735   Pedro Roque   Increased recogni...
223
				cl_v_del_gt_n(&changed_x2, &x, V_MAX(y) - V_MIN(z) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
224
225
226
227
228
229
				if (changed_x2) {
					if (V_IS_EMPTY(x)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
				}
4d26a735   Pedro Roque   Increased recogni...
230
				cl_v_del_lt_n(&changed_z1, &z, V_MIN(y) - V_MAX(x) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
231
232
233
234
235
236
				if (changed_z1) {
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
				}
4d26a735   Pedro Roque   Increased recogni...
237
				cl_v_del_gt_n(&changed_z2, &z, V_MAX(y) - V_MIN(x) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
238
239
240
241
242
243
244
245
246
				if (changed_z2) {
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
				}
				break;
			}

4d26a735   Pedro Roque   Increased recogni...
247
248
			// prop_v_id == z_id
			cl_v_del_lt_n(&changed_x1, &x, V_MIN(y) - V_MAX(z) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
249
250
251
252
253
254
			if (changed_x1) {
				if (V_IS_EMPTY(x)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
					break;
				}
			}
4d26a735   Pedro Roque   Increased recogni...
255
			cl_v_del_gt_n(&changed_x2, &x, V_MAX(y) - V_MIN(z) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
256
257
258
259
260
261
			if (changed_x2) {
				if (V_IS_EMPTY(x)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
					break;
				}
			}
4d26a735   Pedro Roque   Increased recogni...
262
			cl_v_del_lt_n(&changed_y1, &y, V_MIN(x) + V_MIN(z) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
263
264
265
266
267
268
			if (changed_y1) {
				if (V_IS_EMPTY(y)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
					break;
				}
			}
4d26a735   Pedro Roque   Increased recogni...
269
			cl_v_del_gt_n(&changed_y2, &y, V_MAX(x) + V_MAX(z) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
270
271
272
273
274
275
276
277
278
279
			if (changed_y2) {
				if (V_IS_EMPTY(y)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
					break;
				}
			}
			break;
		}
	}

4d26a735   Pedro Roque   Increased recogni...
280
	// if no choice made yet, try to remove x = zy
94b2b13d   Pedro Roque   PHACT source
281
282
283
284
285
286
	if (V_N_VALS(vs_prop_[v_id]) == 2) {

		y_id = vs_per_c_idx[2];
		z_id = vs_per_c_idx[1];

		cl_v_copy_pm(&x, &vs_prop_[x_id] TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
287
		cl_v_copy_pm(&y, &vs_prop_[y_id] TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
288
289
290
291
292
293
		cl_v_copy_pm(&z, &vs_prop_[z_id] TTL_CTR_V);

		for (i = 0; i < 1; i++) {
			if (prop_v_id == (unsigned int)x_id) {

				cl_v_del_lt_n(&changed_y1, &y, V_MIN(x) + V_MIN(z) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
294
				if (changed_y1) {
94b2b13d   Pedro Roque   PHACT source
295
296
297
298
299
300
					if (V_IS_EMPTY(y)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
					}
				}
				cl_v_del_gt_n(&changed_y2, &y, V_MAX(x) + V_MAX(z) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
301
				if (changed_y2) {
94b2b13d   Pedro Roque   PHACT source
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
					if (V_IS_EMPTY(y)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
					}
				}
				cl_v_del_lt_n(&changed_z1, &z, V_MIN(y) - V_MAX(x) TTL_CTR_V);
				if (changed_z1) {
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
					}
				}
				cl_v_del_gt_n(&changed_z2, &z, V_MAX(y) - V_MIN(x) TTL_CTR_V);
				if (changed_z2) {
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
					}
				}
				break;
			}
4d26a735   Pedro Roque   Increased recogni...
323

94b2b13d   Pedro Roque   PHACT source
324
			if (prop_v_id == (unsigned int)y_id) {
4d26a735   Pedro Roque   Increased recogni...
325
				cl_v_del_lt_n(&changed_x1, &x, V_MIN(y) - V_MAX(z) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
326
327
328
329
330
331
				if (changed_x1) {
					if (V_IS_EMPTY(x)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
					}
				}
4d26a735   Pedro Roque   Increased recogni...
332
				cl_v_del_gt_n(&changed_x2, &x, V_MAX(y) - V_MIN(z) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
333
334
335
336
337
338
				if (changed_x2) {
					if (V_IS_EMPTY(x)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
					}
				}
4d26a735   Pedro Roque   Increased recogni...
339
				cl_v_del_lt_n(&changed_z1, &z, V_MIN(y) - V_MAX(x) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
340
341
342
343
344
345
				if (changed_z1) {
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
					}
				}
4d26a735   Pedro Roque   Increased recogni...
346
				cl_v_del_gt_n(&changed_z2, &z, V_MAX(y) - V_MIN(x) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
347
348
349
350
351
352
353
354
355
				if (changed_z2) {
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
					}
				}
				break;
			}

4d26a735   Pedro Roque   Increased recogni...
356
357
			// prop_v_id == z_id
			cl_v_del_lt_n(&changed_x1, &x, V_MIN(y) - V_MAX(z) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
358
359
360
361
362
363
			if (changed_x1) {
				if (V_IS_EMPTY(x)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
					break;
				}
			}
4d26a735   Pedro Roque   Increased recogni...
364
			cl_v_del_gt_n(&changed_x2, &x, V_MAX(y) - V_MIN(z) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
365
366
367
368
369
370
			if (changed_x2) {
				if (V_IS_EMPTY(x)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
					break;
				}
			}
4d26a735   Pedro Roque   Increased recogni...
371
			cl_v_del_lt_n(&changed_y1, &y, V_MIN(x) + V_MIN(z) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
372
373
374
375
376
377
			if (changed_y1) {
				if (V_IS_EMPTY(y)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
					break;
				}
			}
4d26a735   Pedro Roque   Increased recogni...
378
			cl_v_del_gt_n(&changed_y2, &y, V_MAX(x) + V_MAX(z) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
379
380
381
382
383
384
385
386
387
388
			if (changed_y2) {
				if (V_IS_EMPTY(y)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
					break;
				}
			}
			break;
		}
	}

4d26a735   Pedro Roque   Increased recogni...
389
	// Propagate the one selected
94b2b13d   Pedro Roque   PHACT source
390
391
392
393
394
395
	if (V_N_VALS(vs_prop_[v_id]) == 1) {

		if (V_MIN(vs_prop_[v_id]) == 0) {
			y_id = vs_per_c_idx[1];
			z_id = vs_per_c_idx[2];
		} else {
4d26a735   Pedro Roque   Increased recogni...
396
			y_id = vs_per_c_idx[2];
94b2b13d   Pedro Roque   PHACT source
397
398
399
400
401
402
			z_id = vs_per_c_idx[1];
		}

		if (prop_v_id == (unsigned int)x_id) {

			cl_v_del_lt_m(&changed_y1, &vs_prop_[y_id], V_MIN(vs_prop_[x_id]) + V_MIN(vs_prop_[z_id]) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
403
			if (changed_y1) {
94b2b13d   Pedro Roque   PHACT source
404
405
406
407
408
409
				if (V_IS_EMPTY(vs_prop_[y_id])) {
					*prop_ok = 0;
					return;
				}
			}
			cl_v_del_gt_m(&changed_y2, &vs_prop_[y_id], V_MAX(vs_prop_[x_id]) + V_MAX(vs_prop_[z_id]) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
410
			if (changed_y2) {
94b2b13d   Pedro Roque   PHACT source
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
				if (V_IS_EMPTY(vs_prop_[y_id])) {
					*prop_ok = 0;
					return;
				}
			}
			cl_v_del_lt_m(&changed_z1, &vs_prop_[z_id], V_MIN(vs_prop_[y_id]) - V_MAX(vs_prop_[x_id]) TTL_CTR_V);
			if (changed_z1) {
				if (V_IS_EMPTY(vs_prop_[z_id])) {
					*prop_ok = 0;
					return;
				}
			}
			cl_v_del_gt_m(&changed_z2, &vs_prop_[z_id], V_MAX(vs_prop_[y_id]) - V_MIN(vs_prop_[x_id]) TTL_CTR_V);
			if (changed_z2) {
				if (V_IS_EMPTY(vs_prop_[z_id])) {
					*prop_ok = 0;
					return;
				}
			}

			if (changed_y1 || changed_y2) {
4d26a735   Pedro Roque   Increased recogni...
432
				v_add_to_prop(vs_id_to_prop_, vs_prop_, y_id);
94b2b13d   Pedro Roque   PHACT source
433
			}
4d26a735   Pedro Roque   Increased recogni...
434
			if (changed_z1 || changed_z2) {
94b2b13d   Pedro Roque   PHACT source
435
436
437
438
439
440
				v_add_to_prop(vs_id_to_prop_, vs_prop_, z_id);
			}
			return;
		}

		if (prop_v_id == (unsigned int)y_id) {
4d26a735   Pedro Roque   Increased recogni...
441
			cl_v_del_lt_m(&changed_x1, &vs_prop_[x_id], V_MIN(vs_prop_[y_id]) - V_MAX(vs_prop_[z_id]) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
442
443
444
445
446
447
			if (changed_x1) {
				if (V_IS_EMPTY(vs_prop_[x_id])) {
					*prop_ok = 0;
					return;
				}
			}
4d26a735   Pedro Roque   Increased recogni...
448
			cl_v_del_gt_m(&changed_x2, &vs_prop_[x_id], V_MAX(vs_prop_[y_id]) - V_MIN(vs_prop_[z_id]) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
449
450
451
452
453
454
			if (changed_x2) {
				if (V_IS_EMPTY(vs_prop_[x_id])) {
					*prop_ok = 0;
					return;
				}
			}
4d26a735   Pedro Roque   Increased recogni...
455
			cl_v_del_lt_m(&changed_z1, &vs_prop_[z_id], V_MIN(vs_prop_[y_id]) - V_MAX(vs_prop_[x_id]) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
			if (changed_z1) {
				if (V_IS_EMPTY(vs_prop_[z_id])) {
					*prop_ok = 0;
					return;
				}
			}
			cl_v_del_gt_m(&changed_z2, &vs_prop_[z_id], V_MAX(vs_prop_[y_id]) - V_MIN(vs_prop_[x_id]) TTL_CTR_V);
			if (changed_z2) {
				if (V_IS_EMPTY(vs_prop_[z_id])) {
					*prop_ok = 0;
					return;
				}
			}

			if (changed_x1 || changed_x2) {
				v_add_to_prop(vs_id_to_prop_, vs_prop_, x_id);
4d26a735   Pedro Roque   Increased recogni...
472
473
			}
			if (changed_z1 || changed_z2) {
94b2b13d   Pedro Roque   PHACT source
474
475
476
477
478
479
				v_add_to_prop(vs_id_to_prop_, vs_prop_, z_id);
			}
			return;
		}

		// prop_v_id == z_id
4d26a735   Pedro Roque   Increased recogni...
480
		cl_v_del_lt_m(&changed_x1, &vs_prop_[x_id], V_MIN(vs_prop_[y_id]) - V_MAX(vs_prop_[z_id]) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
481
482
483
484
485
486
		if (changed_x1) {
			if (V_IS_EMPTY(vs_prop_[x_id])) {
				*prop_ok = 0;
				return;
			}
		}
4d26a735   Pedro Roque   Increased recogni...
487
		cl_v_del_gt_m(&changed_x2, &vs_prop_[x_id], V_MAX(vs_prop_[y_id]) - V_MIN(vs_prop_[z_id]) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
488
489
490
491
492
493
		if (changed_x2) {
			if (V_IS_EMPTY(vs_prop_[x_id])) {
				*prop_ok = 0;
				return;
			}
		}
4d26a735   Pedro Roque   Increased recogni...
494
		cl_v_del_lt_m(&changed_y1, &vs_prop_[y_id], V_MIN(vs_prop_[x_id]) + V_MIN(vs_prop_[z_id]) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
		if (changed_y1) {
			if (V_IS_EMPTY(vs_prop_[y_id])) {
				*prop_ok = 0;
				return;
			}
		}
		cl_v_del_gt_m(&changed_y2, &vs_prop_[y_id], V_MAX(vs_prop_[x_id]) + V_MAX(vs_prop_[z_id]) TTL_CTR_V);
		if (changed_y2) {
			if (V_IS_EMPTY(vs_prop_[y_id])) {
				*prop_ok = 0;
				return;
			}
		}

		if (changed_x1 || changed_x2) {
			v_add_to_prop(vs_id_to_prop_, vs_prop_, x_id);
		}
4d26a735   Pedro Roque   Increased recogni...
512
		if (changed_y1 || changed_y2) {
94b2b13d   Pedro Roque   PHACT source
513
514
515
516
517
518
			v_add_to_prop(vs_id_to_prop_, vs_prop_, y_id);
		}

		y_id = vs_per_c_idx[2];
		z_id = vs_per_c_idx[1];
	}
4d26a735   Pedro Roque   Increased recogni...
519
}
94b2b13d   Pedro Roque   PHACT source
520
521
522
523
524
525

#if  CS_R_VAR_EQ_MINUS_ABS == 1
/*
 * Validate var_eq_minus_abs constraint to be normally propagated, when reified
 * x = |y − z|
 * vs_per_c_idx - vector with all constrained variables ID per constraint, per constraint ID order
4d26a735   Pedro Roque   Increased recogni...
526
 * vs_prop_ - all CSP variables with current step values
94b2b13d   Pedro Roque   PHACT source
527
528
529
530
531
532
 * current_cs - constraint that should be propagated for the variable with prop_v_id ID
 * vs_id_to_prop_ - circular vector with the ids of the variables to propagate
 */
CUDA_FUNC void var_eq_minus_abs_reif( CL_INTS_MEM int* vs_per_c_idx, CL_MEMORY VARS_PROP* vs_prop_, unsigned int prop_v_id, CL_CS_MEM cl_constr* current_cs,
		CL_MEMORY unsigned short* vs_id_to_prop_ TTL_CTR) {

4d26a735   Pedro Roque   Increased recogni...
533
	int x_id = vs_per_c_idx[0];
94b2b13d   Pedro Roque   PHACT source
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
	int y_id = vs_per_c_idx[1];
	int z_id = vs_per_c_idx[2];
	int v_id = current_cs->constant_val;	// variable used to flag the constraint (x = y − z or x = z − y) that should be propagated
	VARS_PROP x;
	VARS_PROP y;
	VARS_PROP z;
	bool changed;
	bool changed_x1;
	bool changed_y1;
	bool changed_z1;
	bool changed_x2;
	bool changed_y2;
	bool changed_z2;
	int i;

	// constraint already fixed
	if (V_N_VALS(vs_prop_[x_id]) == 1 && V_N_VALS(vs_prop_[y_id]) == 1 && V_N_VALS(vs_prop_[z_id]) == 1) {
		if (V_MIN(vs_prop_[x_id]) == V_MIN(vs_prop_[y_id]) - V_MIN(vs_prop_[z_id])) {

			// Signal x=y-z case as the one
			cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);

			// select this as the VAR_EQ_MINUS_ABS to propagate
			cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 0 TTL_CTR_V);
			v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
4d26a735   Pedro Roque   Increased recogni...
559
			return;
94b2b13d   Pedro Roque   PHACT source
560
561
562
		}
		if (V_MIN(vs_prop_[x_id]) == V_MIN(vs_prop_[z_id]) - V_MIN(vs_prop_[y_id])) {

4d26a735   Pedro Roque   Increased recogni...
563
564
565
566
567
568
			// Signal x=z-y case as the one
			cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);

			// select this as the VAR_EQ_MINUS_ABS to propagate
			cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 0 TTL_CTR_V);
			v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
94b2b13d   Pedro Roque   PHACT source
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
			return;
		}
	}

	// if no choice made, try to remove x = y − z
	if (V_N_VALS(vs_prop_[v_id]) == 2) {
		cl_v_copy_pm(&x, &vs_prop_[x_id] TTL_CTR_V);
		cl_v_copy_pm(&y, &vs_prop_[y_id] TTL_CTR_V);
		cl_v_copy_pm(&z, &vs_prop_[z_id] TTL_CTR_V);

		for (i = 0; i < 1; i++) {
			if (prop_v_id == (unsigned int)x_id) {

				cl_v_del_lt_n(&changed_y1, &y, V_MIN(x) + V_MIN(z) TTL_CTR_V);
				if (changed_y1) {
					if (V_IS_EMPTY(y)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
				}
				cl_v_del_gt_n(&changed_y2, &y, V_MAX(x) + V_MAX(z) TTL_CTR_V);
				if (changed_y2) {
					if (V_IS_EMPTY(y)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
4d26a735   Pedro Roque   Increased recogni...
595
				}
94b2b13d   Pedro Roque   PHACT source
596
597
598
599
600
601
602
603
604
				cl_v_del_lt_n(&changed_z1, &z, V_MIN(y) - V_MAX(x) TTL_CTR_V);
				if (changed_z1) {
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
				}
				cl_v_del_gt_n(&changed_z2, &z, V_MAX(y) - V_MIN(x) TTL_CTR_V);
				if (changed_z2) {
4d26a735   Pedro Roque   Increased recogni...
605
					if (V_IS_EMPTY(z)) {
94b2b13d   Pedro Roque   PHACT source
606
607
608
609
610
611
612
613
614
615
616
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
				}
				break;
			}

			if (prop_v_id == (unsigned int)y_id) {
				cl_v_del_lt_n(&changed_x1, &x, V_MIN(y) - V_MAX(z) TTL_CTR_V);
				if (changed_x1) {
					if (V_IS_EMPTY(x)) {
4d26a735   Pedro Roque   Increased recogni...
617
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
618
						break;
4d26a735   Pedro Roque   Increased recogni...
619
					}
94b2b13d   Pedro Roque   PHACT source
620
621
622
623
624
625
				}
				cl_v_del_gt_n(&changed_x2, &x, V_MAX(y) - V_MIN(z) TTL_CTR_V);
				if (changed_x2) {
					if (V_IS_EMPTY(x)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
4d26a735   Pedro Roque   Increased recogni...
626
					}
94b2b13d   Pedro Roque   PHACT source
627
628
629
630
631
632
				}
				cl_v_del_lt_n(&changed_z1, &z, V_MIN(y) - V_MAX(x) TTL_CTR_V);
				if (changed_z1) {
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
4d26a735   Pedro Roque   Increased recogni...
633
					}
94b2b13d   Pedro Roque   PHACT source
634
635
636
637
638
639
				}
				cl_v_del_gt_n(&changed_z2, &z, V_MAX(y) - V_MIN(x) TTL_CTR_V);
				if (changed_z2) {
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
4d26a735   Pedro Roque   Increased recogni...
640
					}
94b2b13d   Pedro Roque   PHACT source
641
642
643
644
645
646
647
648
649
				}
				break;
			}

			// prop_v_id == z_id
			cl_v_del_lt_n(&changed_x1, &x, V_MIN(y) - V_MAX(z) TTL_CTR_V);
			if (changed_x1) {
				if (V_IS_EMPTY(x)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
650
651
					break;
				}
94b2b13d   Pedro Roque   PHACT source
652
653
654
655
656
657
			}
			cl_v_del_gt_n(&changed_x2, &x, V_MAX(y) - V_MIN(z) TTL_CTR_V);
			if (changed_x2) {
				if (V_IS_EMPTY(x)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
					break;
4d26a735   Pedro Roque   Increased recogni...
658
				}
94b2b13d   Pedro Roque   PHACT source
659
660
661
662
663
664
			}
			cl_v_del_lt_n(&changed_y1, &y, V_MIN(x) + V_MIN(z) TTL_CTR_V);
			if (changed_y1) {
				if (V_IS_EMPTY(y)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
					break;
4d26a735   Pedro Roque   Increased recogni...
665
				}
94b2b13d   Pedro Roque   PHACT source
666
667
668
669
670
671
			}
			cl_v_del_gt_n(&changed_y2, &y, V_MAX(x) + V_MAX(z) TTL_CTR_V);
			if (changed_y2) {
				if (V_IS_EMPTY(y)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
					break;
4d26a735   Pedro Roque   Increased recogni...
672
				}
94b2b13d   Pedro Roque   PHACT source
673
674
675
676
677
678
679
680
681
682
			}
			break;
		}
	}

	// if no choice made yet, try to remove x = z − y
	if (V_N_VALS(vs_prop_[v_id]) == 2) {

		y_id = vs_per_c_idx[2];
		z_id = vs_per_c_idx[1];
4d26a735   Pedro Roque   Increased recogni...
683

94b2b13d   Pedro Roque   PHACT source
684
685
686
687
688
689
		cl_v_copy_pm(&x, &vs_prop_[x_id] TTL_CTR_V);
		cl_v_copy_pm(&y, &vs_prop_[y_id] TTL_CTR_V);
		cl_v_copy_pm(&z, &vs_prop_[z_id] TTL_CTR_V);

		for (i = 0; i < 1; i++) {
			if (prop_v_id == (unsigned int)x_id) {
4d26a735   Pedro Roque   Increased recogni...
690

94b2b13d   Pedro Roque   PHACT source
691
692
693
694
695
696
				cl_v_del_lt_n(&changed_y1, &y, V_MIN(x) + V_MIN(z) TTL_CTR_V);
				if (changed_y1) {
					if (V_IS_EMPTY(y)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
					}
4d26a735   Pedro Roque   Increased recogni...
697
				}
94b2b13d   Pedro Roque   PHACT source
698
699
700
701
702
703
				cl_v_del_gt_n(&changed_y2, &y, V_MAX(x) + V_MAX(z) TTL_CTR_V);
				if (changed_y2) {
					if (V_IS_EMPTY(y)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
					}
4d26a735   Pedro Roque   Increased recogni...
704
				}
94b2b13d   Pedro Roque   PHACT source
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
				cl_v_del_lt_n(&changed_z1, &z, V_MIN(y) - V_MAX(x) TTL_CTR_V);
				if (changed_z1) {
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
					}
				}
				cl_v_del_gt_n(&changed_z2, &z, V_MAX(y) - V_MIN(x) TTL_CTR_V);
				if (changed_z2) {
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
					}
				}
				break;
			}

			if (prop_v_id == (unsigned int)y_id) {
				cl_v_del_lt_n(&changed_x1, &x, V_MIN(y) - V_MAX(z) TTL_CTR_V);
				if (changed_x1) {
					if (V_IS_EMPTY(x)) {
4d26a735   Pedro Roque   Increased recogni...
726
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
727
						break;
4d26a735   Pedro Roque   Increased recogni...
728
					}
94b2b13d   Pedro Roque   PHACT source
729
730
731
732
733
734
				}
				cl_v_del_gt_n(&changed_x2, &x, V_MAX(y) - V_MIN(z) TTL_CTR_V);
				if (changed_x2) {
					if (V_IS_EMPTY(x)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
4d26a735   Pedro Roque   Increased recogni...
735
					}
94b2b13d   Pedro Roque   PHACT source
736
737
738
739
740
741
				}
				cl_v_del_lt_n(&changed_z1, &z, V_MIN(y) - V_MAX(x) TTL_CTR_V);
				if (changed_z1) {
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
4d26a735   Pedro Roque   Increased recogni...
742
					}
94b2b13d   Pedro Roque   PHACT source
743
744
745
746
747
748
				}
				cl_v_del_gt_n(&changed_z2, &z, V_MAX(y) - V_MIN(x) TTL_CTR_V);
				if (changed_z2) {
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
4d26a735   Pedro Roque   Increased recogni...
749
					}
94b2b13d   Pedro Roque   PHACT source
750
751
752
753
754
755
756
757
758
				}
				break;
			}

			// prop_v_id == z_id
			cl_v_del_lt_n(&changed_x1, &x, V_MIN(y) - V_MAX(z) TTL_CTR_V);
			if (changed_x1) {
				if (V_IS_EMPTY(x)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
759
760
					break;
				}
94b2b13d   Pedro Roque   PHACT source
761
762
763
764
765
766
			}
			cl_v_del_gt_n(&changed_x2, &x, V_MAX(y) - V_MIN(z) TTL_CTR_V);
			if (changed_x2) {
				if (V_IS_EMPTY(x)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
					break;
4d26a735   Pedro Roque   Increased recogni...
767
				}
94b2b13d   Pedro Roque   PHACT source
768
769
770
771
772
773
			}
			cl_v_del_lt_n(&changed_y1, &y, V_MIN(x) + V_MIN(z) TTL_CTR_V);
			if (changed_y1) {

				int x_id = vs_per_c_idx[0];
				int y_id = vs_per_c_idx[1];
4d26a735   Pedro Roque   Increased recogni...
774
				int z_id = vs_per_c_idx[2];
94b2b13d   Pedro Roque   PHACT source
775
776
777
778
779
780
				int v_id = current_cs->constant_val;	// variable used to flag the constraint (x = y − z or x = z − y) that should be propagated
				VARS_PROP x;
				VARS_PROP y;
				VARS_PROP z;
				bool changed;
				bool changed_x1;
4d26a735   Pedro Roque   Increased recogni...
781
				bool changed_y1;
94b2b13d   Pedro Roque   PHACT source
782
783
784
785
786
787
788
789
790
791
				bool changed_z1;
				bool changed_x2;
				bool changed_y2;
				bool changed_z2;
				int i;

				if (V_N_VALS(vs_prop_[x_id]) == 1 && V_N_VALS(vs_prop_[y_id]) == 1 && V_N_VALS(vs_prop_[z_id]) == 1) {
					if (V_MIN(vs_prop_[x_id]) == V_MIN(vs_prop_[y_id]) - V_MIN(vs_prop_[z_id])) {

						// Signal x=y-z case as the one
4d26a735   Pedro Roque   Increased recogni...
792
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
793
794
795
796
797
798

						// select this as the VAR_EQ_MINUS_ABS to propagate
						cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 0 TTL_CTR_V);
						v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
						return;
					}
4d26a735   Pedro Roque   Increased recogni...
799
					if (V_MIN(vs_prop_[x_id]) == V_MIN(vs_prop_[z_id]) - V_MIN(vs_prop_[y_id])) {
94b2b13d   Pedro Roque   PHACT source
800
801
802
803
804
805

						// Signal x=z-y case as the one
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);

						// select this as the VAR_EQ_MINUS_ABS to propagate
						cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 0 TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
806
						v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
94b2b13d   Pedro Roque   PHACT source
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
						return;
					}
				}

				// if no choice made, try to remove x = y − z
				if (V_N_VALS(vs_prop_[v_id]) == 2) {
					cl_v_copy_pm(&x, &vs_prop_[x_id] TTL_CTR_V);
					cl_v_copy_pm(&y, &vs_prop_[y_id] TTL_CTR_V);
					cl_v_copy_pm(&z, &vs_prop_[z_id] TTL_CTR_V);

					for (i = 0; i < 1; i++) {
						if (prop_v_id == (unsigned int)x_id) {

							cl_v_del_lt_n(&changed_y1, &y, V_MIN(x) + V_MIN(z) TTL_CTR_V);
							if (changed_y1) {
								if (V_IS_EMPTY(y)) {
									cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
									break;
								}
							}
							cl_v_del_gt_n(&changed_y2, &y, V_MAX(x) + V_MAX(z) TTL_CTR_V);
							if (changed_y2) {
								if (V_IS_EMPTY(y)) {
									cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
									break;
								}
4d26a735   Pedro Roque   Increased recogni...
833
							}
94b2b13d   Pedro Roque   PHACT source
834
835
836
837
838
839
840
841
842
							cl_v_del_lt_n(&changed_z1, &z, V_MIN(y) - V_MAX(x) TTL_CTR_V);
							if (changed_z1) {
								if (V_IS_EMPTY(z)) {
									cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
									break;
								}
							}
							cl_v_del_gt_n(&changed_z2, &z, V_MAX(y) - V_MIN(x) TTL_CTR_V);
							if (changed_z2) {
4d26a735   Pedro Roque   Increased recogni...
843
								if (V_IS_EMPTY(z)) {
94b2b13d   Pedro Roque   PHACT source
844
845
846
847
848
849
850
851
852
853
854
									cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
									break;
								}
							}
							break;
						}

						if (prop_v_id == (unsigned int)y_id) {
							cl_v_del_lt_n(&changed_x1, &x, V_MIN(y) - V_MAX(z) TTL_CTR_V);
							if (changed_x1) {
								if (V_IS_EMPTY(x)) {
4d26a735   Pedro Roque   Increased recogni...
855
									cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
856
									break;
4d26a735   Pedro Roque   Increased recogni...
857
								}
94b2b13d   Pedro Roque   PHACT source
858
859
860
861
862
863
							}
							cl_v_del_gt_n(&changed_x2, &x, V_MAX(y) - V_MIN(z) TTL_CTR_V);
							if (changed_x2) {
								if (V_IS_EMPTY(x)) {
									cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
									break;
4d26a735   Pedro Roque   Increased recogni...
864
								}
94b2b13d   Pedro Roque   PHACT source
865
866
867
868
869
870
							}
							cl_v_del_lt_n(&changed_z1, &z, V_MIN(y) - V_MAX(x) TTL_CTR_V);
							if (changed_z1) {
								if (V_IS_EMPTY(z)) {
									cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
									break;
4d26a735   Pedro Roque   Increased recogni...
871
								}
94b2b13d   Pedro Roque   PHACT source
872
873
874
875
876
877
							}
							cl_v_del_gt_n(&changed_z2, &z, V_MAX(y) - V_MIN(x) TTL_CTR_V);
							if (changed_z2) {
								if (V_IS_EMPTY(z)) {
									cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
									break;
4d26a735   Pedro Roque   Increased recogni...
878
								}
94b2b13d   Pedro Roque   PHACT source
879
880
881
882
883
884
885
886
887
							}
							break;
						}

						// prop_v_id == z_id
						cl_v_del_lt_n(&changed_x1, &x, V_MIN(y) - V_MAX(z) TTL_CTR_V);
						if (changed_x1) {
							if (V_IS_EMPTY(x)) {
								cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
888
889
								break;
							}
94b2b13d   Pedro Roque   PHACT source
890
891
892
893
894
895
						}
						cl_v_del_gt_n(&changed_x2, &x, V_MAX(y) - V_MIN(z) TTL_CTR_V);
						if (changed_x2) {
							if (V_IS_EMPTY(x)) {
								cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
								break;
4d26a735   Pedro Roque   Increased recogni...
896
							}
94b2b13d   Pedro Roque   PHACT source
897
898
899
900
901
902
						}
						cl_v_del_lt_n(&changed_y1, &y, V_MIN(x) + V_MIN(z) TTL_CTR_V);
						if (changed_y1) {
							if (V_IS_EMPTY(y)) {
								cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
								break;
4d26a735   Pedro Roque   Increased recogni...
903
							}
94b2b13d   Pedro Roque   PHACT source
904
905
906
907
908
909
						}
						cl_v_del_gt_n(&changed_y2, &y, V_MAX(x) + V_MAX(z) TTL_CTR_V);
						if (changed_y2) {
							if (V_IS_EMPTY(y)) {
								cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
								break;
4d26a735   Pedro Roque   Increased recogni...
910
							}
94b2b13d   Pedro Roque   PHACT source
911
912
913
914
915
916
917
918
919
920
						}
						break;
					}
				}

				// if no choice made yet, try to remove x = z − y
				if (V_N_VALS(vs_prop_[v_id]) == 2) {

					y_id = vs_per_c_idx[2];
					z_id = vs_per_c_idx[1];
4d26a735   Pedro Roque   Increased recogni...
921

94b2b13d   Pedro Roque   PHACT source
922
923
924
925
926
927
					cl_v_copy_pm(&x, &vs_prop_[x_id] TTL_CTR_V);
					cl_v_copy_pm(&y, &vs_prop_[y_id] TTL_CTR_V);
					cl_v_copy_pm(&z, &vs_prop_[z_id] TTL_CTR_V);

					for (i = 0; i < 1; i++) {
						if (prop_v_id == (unsigned int)x_id) {
4d26a735   Pedro Roque   Increased recogni...
928

94b2b13d   Pedro Roque   PHACT source
929
930
931
932
933
934
							cl_v_del_lt_n(&changed_y1, &y, V_MIN(x) + V_MIN(z) TTL_CTR_V);
							if (changed_y1) {
								if (V_IS_EMPTY(y)) {
									cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
									break;
								}
4d26a735   Pedro Roque   Increased recogni...
935
							}
94b2b13d   Pedro Roque   PHACT source
936
937
938
939
940
941
							cl_v_del_gt_n(&changed_y2, &y, V_MAX(x) + V_MAX(z) TTL_CTR_V);
							if (changed_y2) {
								if (V_IS_EMPTY(y)) {
									cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
									break;
								}
4d26a735   Pedro Roque   Increased recogni...
942
							}
94b2b13d   Pedro Roque   PHACT source
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
							cl_v_del_lt_n(&changed_z1, &z, V_MIN(y) - V_MAX(x) TTL_CTR_V);
							if (changed_z1) {
								if (V_IS_EMPTY(z)) {
									cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
									break;
								}
							}
							cl_v_del_gt_n(&changed_z2, &z, V_MAX(y) - V_MIN(x) TTL_CTR_V);
							if (changed_z2) {
								if (V_IS_EMPTY(z)) {
									cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
									break;
								}
							}
							break;
						}

						if (prop_v_id == (unsigned int)y_id) {
							cl_v_del_lt_n(&changed_x1, &x, V_MIN(y) - V_MAX(z) TTL_CTR_V);
							if (changed_x1) {
								if (V_IS_EMPTY(x)) {
4d26a735   Pedro Roque   Increased recogni...
964
									cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
965
									break;
4d26a735   Pedro Roque   Increased recogni...
966
								}
94b2b13d   Pedro Roque   PHACT source
967
968
969
970
971
972
							}
							cl_v_del_gt_n(&changed_x2, &x, V_MAX(y) - V_MIN(z) TTL_CTR_V);
							if (changed_x2) {
								if (V_IS_EMPTY(x)) {
									cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
									break;
4d26a735   Pedro Roque   Increased recogni...
973
								}
94b2b13d   Pedro Roque   PHACT source
974
975
976
977
978
979
							}
							cl_v_del_lt_n(&changed_z1, &z, V_MIN(y) - V_MAX(x) TTL_CTR_V);
							if (changed_z1) {
								if (V_IS_EMPTY(z)) {
									cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
									break;
4d26a735   Pedro Roque   Increased recogni...
980
								}
94b2b13d   Pedro Roque   PHACT source
981
982
983
984
985
986
							}
							cl_v_del_gt_n(&changed_z2, &z, V_MAX(y) - V_MIN(x) TTL_CTR_V);
							if (changed_z2) {
								if (V_IS_EMPTY(z)) {
									cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
									break;
4d26a735   Pedro Roque   Increased recogni...
987
								}
94b2b13d   Pedro Roque   PHACT source
988
989
990
991
992
993
994
995
996
							}
							break;
						}

						// prop_v_id == z_id
						cl_v_del_lt_n(&changed_x1, &x, V_MIN(y) - V_MAX(z) TTL_CTR_V);
						if (changed_x1) {
							if (V_IS_EMPTY(x)) {
								cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
997
998
								break;
							}
94b2b13d   Pedro Roque   PHACT source
999
1000
1001
1002
1003
1004
						}
						cl_v_del_gt_n(&changed_x2, &x, V_MAX(y) - V_MIN(z) TTL_CTR_V);
						if (changed_x2) {
							if (V_IS_EMPTY(x)) {
								cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
								break;
4d26a735   Pedro Roque   Increased recogni...
1005
							}
94b2b13d   Pedro Roque   PHACT source
1006
1007
1008
1009
1010
1011
						}
						cl_v_del_lt_n(&changed_y1, &y, V_MIN(x) + V_MIN(z) TTL_CTR_V);
						if (changed_y1) {
							if (V_IS_EMPTY(y)) {
								cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
								break;
4d26a735   Pedro Roque   Increased recogni...
1012
							}
94b2b13d   Pedro Roque   PHACT source
1013
1014
1015
1016
1017
1018
						}
						cl_v_del_gt_n(&changed_y2, &y, V_MAX(x) + V_MAX(z) TTL_CTR_V);
						if (changed_y2) {
							if (V_IS_EMPTY(y)) {
								cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
								break;
4d26a735   Pedro Roque   Increased recogni...
1019
							}
94b2b13d   Pedro Roque   PHACT source
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
						}
						break;
					}
				}

				// Reify the one selected
				if (V_N_VALS(vs_prop_[v_id]) == 1) {

					if (V_MIN(vs_prop_[v_id]) == 0) {
						y_id = vs_per_c_idx[1];
4d26a735   Pedro Roque   Increased recogni...
1030
						z_id = vs_per_c_idx[2];
94b2b13d   Pedro Roque   PHACT source
1031
1032
1033
1034
1035
1036
					} else {
						y_id = vs_per_c_idx[2];
						z_id = vs_per_c_idx[1];
					}

					if (prop_v_id == (unsigned int)x_id) {
4d26a735   Pedro Roque   Increased recogni...
1037
							VARS_PROP y;
94b2b13d   Pedro Roque   PHACT source
1038
1039
1040
1041
1042
1043
							cl_v_copy_pm(&y, &vs_prop_[y_id] TTL_CTR_V);

							cl_v_del_lt_n(&changed, &y, V_MIN(vs_prop_[x_id]) + V_MIN(vs_prop_[z_id]) TTL_CTR_V);
							if (V_IS_EMPTY(y)) {
								cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
								v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
4d26a735   Pedro Roque   Increased recogni...
1044
								return;
94b2b13d   Pedro Roque   PHACT source
1045
1046
1047
1048
1049
1050
							}
							cl_v_del_gt_n(&changed, &y, V_MAX(vs_prop_[x_id]) + V_MAX(vs_prop_[z_id]) TTL_CTR_V);
							if (V_IS_EMPTY(y)) {
								cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
								v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
								return;
4d26a735   Pedro Roque   Increased recogni...
1051
							}
94b2b13d   Pedro Roque   PHACT source
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072

							VARS_PROP z;
							cl_v_copy_pm(&z, &vs_prop_[z_id] TTL_CTR_V);

							cl_v_del_lt_n(&changed, &z, V_MIN(y) - V_MAX(vs_prop_[x_id]) TTL_CTR_V);
							if (V_IS_EMPTY(z)) {
								cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
								v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
								return;
							}
							cl_v_del_gt_n(&changed, &z, V_MAX(y) - V_MIN(vs_prop_[x_id]) TTL_CTR_V);
							if (V_IS_EMPTY(z)) {
								cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
								v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
							}
							return;
						}

						if (prop_v_id == (unsigned int)y_id) {

							VARS_PROP x;
4d26a735   Pedro Roque   Increased recogni...
1073
1074
1075
							cl_v_copy_pm(&x, &vs_prop_[x_id] TTL_CTR_V);

							cl_v_del_lt_n(&changed, &x, V_MIN(vs_prop_[y_id]) - V_MAX(vs_prop_[z_id]) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
1076
							if (V_IS_EMPTY(x)) {
4d26a735   Pedro Roque   Increased recogni...
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
								cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
								v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
								return;
							}
							cl_v_del_gt_n(&changed, &x, V_MAX(vs_prop_[y_id]) - V_MIN(vs_prop_[z_id]) TTL_CTR_V);
							if (V_IS_EMPTY(x)) {
								cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
								v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
								return;
							}
94b2b13d   Pedro Roque   PHACT source
1087
1088
1089

							VARS_PROP z;
							cl_v_copy_pm(&z, &vs_prop_[z_id] TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1090
1091

							cl_v_del_lt_n(&changed, &z, V_MIN(vs_prop_[y_id]) - V_MAX(x) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
1092
							if (V_IS_EMPTY(z)) {
4d26a735   Pedro Roque   Increased recogni...
1093
1094
1095
1096
								cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
								v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
								return;
							}
94b2b13d   Pedro Roque   PHACT source
1097
1098
							cl_v_del_gt_n(&changed, &z, V_MAX(vs_prop_[y_id]) - V_MIN(x) TTL_CTR_V);
							if (V_IS_EMPTY(z)) {
4d26a735   Pedro Roque   Increased recogni...
1099
1100
1101
1102
1103
1104
1105
1106
1107
								cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
								v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
								return;
							}
							return;
						}

						// if prop_v_id == z_id
						VARS_PROP x;
94b2b13d   Pedro Roque   PHACT source
1108
						cl_v_copy_pm(&x, &vs_prop_[x_id] TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
1109
1110
1111

						cl_v_del_lt_n(&changed, &x, V_MIN(vs_prop_[y_id]) - V_MAX(vs_prop_[z_id]) TTL_CTR_V);
						if (V_IS_EMPTY(x)) {
4d26a735   Pedro Roque   Increased recogni...
1112
							cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
1113
1114
							v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
							return;
4d26a735   Pedro Roque   Increased recogni...
1115
						}
94b2b13d   Pedro Roque   PHACT source
1116
1117
						cl_v_del_gt_n(&changed, &x, V_MAX(vs_prop_[y_id]) - V_MIN(vs_prop_[z_id]) TTL_CTR_V);
						if (V_IS_EMPTY(x)) {
4d26a735   Pedro Roque   Increased recogni...
1118
							cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
1119
1120
							v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
							return;
4d26a735   Pedro Roque   Increased recogni...
1121
						}
94b2b13d   Pedro Roque   PHACT source
1122
1123
1124

						VARS_PROP y;
						cl_v_copy_pm(&y, &vs_prop_[y_id] TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1125
1126

						cl_v_del_lt_n(&changed, &y, V_MIN(x) + V_MIN(vs_prop_[z_id]) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
1127
						if (V_IS_EMPTY(y)) {
4d26a735   Pedro Roque   Increased recogni...
1128
1129
							cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
							v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
94b2b13d   Pedro Roque   PHACT source
1130
							return;
4d26a735   Pedro Roque   Increased recogni...
1131
						}
94b2b13d   Pedro Roque   PHACT source
1132
1133
						cl_v_del_gt_n(&changed, &y, V_MAX(x) + V_MAX(vs_prop_[z_id]) TTL_CTR_V);
						if (V_IS_EMPTY(y)) {
4d26a735   Pedro Roque   Increased recogni...
1134
1135
							cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
							v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
94b2b13d   Pedro Roque   PHACT source
1136
						}
4d26a735   Pedro Roque   Increased recogni...
1137
1138


94b2b13d   Pedro Roque   PHACT source
1139
				}
4d26a735   Pedro Roque   Increased recogni...
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158

				if (V_IS_EMPTY(y)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
					break;
				}
			}
			cl_v_del_gt_n(&changed_y2, &y, V_MAX(x) + V_MAX(z) TTL_CTR_V);
			if (changed_y2) {
				if (V_IS_EMPTY(y)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
					break;
				}
			}
			break;
		}
	}

	// Reify the one selected
	if (V_N_VALS(vs_prop_[v_id]) == 1) {
94b2b13d   Pedro Roque   PHACT source
1159

4d26a735   Pedro Roque   Increased recogni...
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
		if (V_MIN(vs_prop_[v_id]) == 0) {
			y_id = vs_per_c_idx[1];
			z_id = vs_per_c_idx[2];
		} else {
			y_id = vs_per_c_idx[2];
			z_id = vs_per_c_idx[1];
		}

		if (prop_v_id == (unsigned int)x_id) {
			VARS_PROP y;
			cl_v_copy_pm(&y, &vs_prop_[y_id] TTL_CTR_V);

			cl_v_del_lt_n(&changed, &y, V_MIN(vs_prop_[x_id]) + V_MIN(vs_prop_[z_id]) TTL_CTR_V);
			if (V_IS_EMPTY(y)) {
94b2b13d   Pedro Roque   PHACT source
1174
1175
1176
1177
1178
1179
1180
1181
				cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
				v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
				return;
			}
			cl_v_del_gt_n(&changed, &y, V_MAX(vs_prop_[x_id]) + V_MAX(vs_prop_[z_id]) TTL_CTR_V);
			if (V_IS_EMPTY(y)) {
				cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
				v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
4d26a735   Pedro Roque   Increased recogni...
1182
				return;
94b2b13d   Pedro Roque   PHACT source
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
			}

			VARS_PROP z;
			cl_v_copy_pm(&z, &vs_prop_[z_id] TTL_CTR_V);

			cl_v_del_lt_n(&changed, &z, V_MIN(y) - V_MAX(vs_prop_[x_id]) TTL_CTR_V);
			if (V_IS_EMPTY(z)) {
				cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
				v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
				return;
			}
			cl_v_del_gt_n(&changed, &z, V_MAX(y) - V_MIN(vs_prop_[x_id]) TTL_CTR_V);
			if (V_IS_EMPTY(z)) {
				cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
				v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
			}
			return;
		}

		if (prop_v_id == (unsigned int)y_id) {

4d26a735   Pedro Roque   Increased recogni...
1204
			VARS_PROP x;
94b2b13d   Pedro Roque   PHACT source
1205
1206
1207
			cl_v_copy_pm(&x, &vs_prop_[x_id] TTL_CTR_V);

			cl_v_del_lt_n(&changed, &x, V_MIN(vs_prop_[y_id]) - V_MAX(vs_prop_[z_id]) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1208
			if (V_IS_EMPTY(x)) {
94b2b13d   Pedro Roque   PHACT source
1209
1210
				cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
				v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
4d26a735   Pedro Roque   Increased recogni...
1211
				return;
94b2b13d   Pedro Roque   PHACT source
1212
1213
			}
			cl_v_del_gt_n(&changed, &x, V_MAX(vs_prop_[y_id]) - V_MIN(vs_prop_[z_id]) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1214
			if (V_IS_EMPTY(x)) {
94b2b13d   Pedro Roque   PHACT source
1215
1216
				cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
				v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
4d26a735   Pedro Roque   Increased recogni...
1217
				return;
94b2b13d   Pedro Roque   PHACT source
1218
1219
1220
1221
1222
1223
			}

			VARS_PROP z;
			cl_v_copy_pm(&z, &vs_prop_[z_id] TTL_CTR_V);

			cl_v_del_lt_n(&changed, &z, V_MIN(vs_prop_[y_id]) - V_MAX(x) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1224
			if (V_IS_EMPTY(z)) {
94b2b13d   Pedro Roque   PHACT source
1225
1226
				cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
				v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
4d26a735   Pedro Roque   Increased recogni...
1227
				return;
94b2b13d   Pedro Roque   PHACT source
1228
1229
			}
			cl_v_del_gt_n(&changed, &z, V_MAX(vs_prop_[y_id]) - V_MIN(x) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1230
			if (V_IS_EMPTY(z)) {
94b2b13d   Pedro Roque   PHACT source
1231
1232
				cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
				v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
4d26a735   Pedro Roque   Increased recogni...
1233
				return;
94b2b13d   Pedro Roque   PHACT source
1234
1235
1236
1237
			}
			return;
		}

4d26a735   Pedro Roque   Increased recogni...
1238
		// if prop_v_id == z_id
94b2b13d   Pedro Roque   PHACT source
1239
1240
1241
1242
		VARS_PROP x;
		cl_v_copy_pm(&x, &vs_prop_[x_id] TTL_CTR_V);

		cl_v_del_lt_n(&changed, &x, V_MIN(vs_prop_[y_id]) - V_MAX(vs_prop_[z_id]) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1243
		if (V_IS_EMPTY(x)) {
94b2b13d   Pedro Roque   PHACT source
1244
1245
			cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
			v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
4d26a735   Pedro Roque   Increased recogni...
1246
			return;
94b2b13d   Pedro Roque   PHACT source
1247
1248
		}
		cl_v_del_gt_n(&changed, &x, V_MAX(vs_prop_[y_id]) - V_MIN(vs_prop_[z_id]) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1249
		if (V_IS_EMPTY(x)) {
94b2b13d   Pedro Roque   PHACT source
1250
1251
			cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
			v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
4d26a735   Pedro Roque   Increased recogni...
1252
			return;
94b2b13d   Pedro Roque   PHACT source
1253
1254
1255
1256
1257
1258
		}

		VARS_PROP y;
		cl_v_copy_pm(&y, &vs_prop_[y_id] TTL_CTR_V);

		cl_v_del_lt_n(&changed, &y, V_MIN(x) + V_MIN(vs_prop_[z_id]) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1259
		if (V_IS_EMPTY(y)) {
94b2b13d   Pedro Roque   PHACT source
1260
1261
			cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
			v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
4d26a735   Pedro Roque   Increased recogni...
1262
			return;
94b2b13d   Pedro Roque   PHACT source
1263
1264
		}
		cl_v_del_gt_n(&changed, &y, V_MAX(x) + V_MAX(vs_prop_[z_id]) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1265
		if (V_IS_EMPTY(y)) {
94b2b13d   Pedro Roque   PHACT source
1266
1267
			cl_v_bool_del_val_m(&vs_prop_[current_cs->reif_var_id], 1 TTL_CTR_V);
			v_add_to_prop(vs_id_to_prop_, vs_prop_, convert_int(current_cs->reif_var_id));
4d26a735   Pedro Roque   Increased recogni...
1268
		}
94b2b13d   Pedro Roque   PHACT source
1269
1270
1271
1272
1273
1274
1275
1276
1277
	}
}

/*
 * Propagate the domain of the variable with the ID prop_v_id through all the other variables on the same c_numb ID var_eq_minus_abs opposite constraint
 * x != |y − z|
 * vs_per_c_idx - vector with all constrained variables ID per constraint, per constraint ID order
 * vs_prop_ - all CSP variables with current step values
 * prop_v_id - variable ID to propagate
4d26a735   Pedro Roque   Increased recogni...
1278
 * current_cs - constraint that should be propagated for the variable with prop_v_id ID
94b2b13d   Pedro Roque   PHACT source
1279
1280
 * vs_id_to_prop_ - circular vector with the ids of the variables to propagate
 */
4d26a735   Pedro Roque   Increased recogni...
1281
CUDA_FUNC void var_eq_minus_abs_prop_opposite(CL_INTS_MEM int* vs_per_c_idx, CL_MEMORY VARS_PROP* vs_prop_, unsigned int prop_v_id, CL_CS_MEM cl_constr* current_cs,
94b2b13d   Pedro Roque   PHACT source
1282
1283
		CL_MEMORY unsigned short* vs_id_to_prop_,
		bool* prop_ok TTL_CTR) {
4d26a735   Pedro Roque   Increased recogni...
1284

94b2b13d   Pedro Roque   PHACT source
1285
1286
	int x_id = vs_per_c_idx[0];
	int y_id = vs_per_c_idx[1];
4d26a735   Pedro Roque   Increased recogni...
1287
	int z_id = vs_per_c_idx[2];
94b2b13d   Pedro Roque   PHACT source
1288
1289
1290
1291
1292
1293
	int v_id = current_cs->constant_val;	// variable used to flag the constraint (x != y − z or x != z − y) that should be propagated
	VARS_PROP x;
	VARS_PROP y;
	VARS_PROP z;
	bool changed;
	bool changed_x1;
4d26a735   Pedro Roque   Increased recogni...
1294
	bool changed_y1;
94b2b13d   Pedro Roque   PHACT source
1295
1296
	bool changed_z1;
	bool changed_x2;
4d26a735   Pedro Roque   Increased recogni...
1297
	bool changed_y2;
94b2b13d   Pedro Roque   PHACT source
1298
1299
	bool changed_z2;
	int i;
4d26a735   Pedro Roque   Increased recogni...
1300

94b2b13d   Pedro Roque   PHACT source
1301
1302
	// if no choice made, try to set x != y − z
	if (V_N_VALS(vs_prop_[v_id]) == 2) {
4d26a735   Pedro Roque   Increased recogni...
1303
		cl_v_copy_pm(&x, &vs_prop_[x_id] TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
1304
1305
1306
1307
1308
1309
1310
1311
1312
		cl_v_copy_pm(&y, &vs_prop_[y_id] TTL_CTR_V);
		cl_v_copy_pm(&z, &vs_prop_[z_id] TTL_CTR_V);

		for (i = 0; i < 1; i++) {
			if (prop_v_id == (unsigned int)x_id) {

				cl_v_del_lt_n(&changed_y1, &y, V_MIN(x) + V_MIN(z) TTL_CTR_V);
				if (changed_y1) {
					if (V_IS_EMPTY(y)) {
4d26a735   Pedro Roque   Increased recogni...
1313
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
1314
1315
						break;
					}
4d26a735   Pedro Roque   Increased recogni...
1316
				}
94b2b13d   Pedro Roque   PHACT source
1317
				cl_v_del_gt_n(&changed_y2, &y, V_MAX(x) + V_MAX(z) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1318
1319
1320
1321
1322
1323
				if (changed_y2) {
					if (V_IS_EMPTY(y)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
					}
				}
94b2b13d   Pedro Roque   PHACT source
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
				cl_v_del_lt_n(&changed_z1, &z, V_MIN(y) - V_MAX(x) TTL_CTR_V);
				if (changed_z1) {
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
					}
				}
				cl_v_del_gt_n(&changed_z2, &z, V_MAX(y) - V_MIN(x) TTL_CTR_V);
				if (changed_z2) {
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
					}
				}
				break;
			}

			if (prop_v_id == (unsigned int)y_id) {
				cl_v_del_lt_n(&changed_x1, &x, V_MIN(y) - V_MAX(z) TTL_CTR_V);
				if (changed_x1) {
					if (V_IS_EMPTY(x)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
					}
4d26a735   Pedro Roque   Increased recogni...
1348
				}
94b2b13d   Pedro Roque   PHACT source
1349
				cl_v_del_gt_n(&changed_x2, &x, V_MAX(y) - V_MIN(z) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1350
				if (changed_x2) {
94b2b13d   Pedro Roque   PHACT source
1351
1352
1353
1354
1355
1356
					if (V_IS_EMPTY(x)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
					}
				}
				cl_v_del_lt_n(&changed_z1, &z, V_MIN(y) - V_MAX(x) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1357
				if (changed_z1) {
94b2b13d   Pedro Roque   PHACT source
1358
1359
1360
1361
1362
1363
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
					}
				}
				cl_v_del_gt_n(&changed_z2, &z, V_MAX(y) - V_MIN(x) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1364
				if (changed_z2) {
94b2b13d   Pedro Roque   PHACT source
1365
1366
1367
1368
1369
1370
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
						break;
					}
				}
				break;
4d26a735   Pedro Roque   Increased recogni...
1371
			}
94b2b13d   Pedro Roque   PHACT source
1372
1373
1374
1375
1376
1377
1378
1379
1380

			// prop_v_id == z_id
			cl_v_del_lt_n(&changed_x1, &x, V_MIN(y) - V_MAX(z) TTL_CTR_V);
			if (changed_x1) {
				if (V_IS_EMPTY(x)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
					break;
				}
			}
4d26a735   Pedro Roque   Increased recogni...
1381
1382
			cl_v_del_gt_n(&changed_x2, &x, V_MAX(y) - V_MIN(z) TTL_CTR_V);
			if (changed_x2) {
94b2b13d   Pedro Roque   PHACT source
1383
1384
1385
1386
1387
1388
				if (V_IS_EMPTY(x)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
					break;
				}
			}
			cl_v_del_lt_n(&changed_y1, &y, V_MIN(x) + V_MIN(z) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1389
			if (changed_y1) {
94b2b13d   Pedro Roque   PHACT source
1390
1391
1392
1393
1394
1395
				if (V_IS_EMPTY(y)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
					break;
				}
			}
			cl_v_del_gt_n(&changed_y2, &y, V_MAX(x) + V_MAX(z) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1396
			if (changed_y2) {
94b2b13d   Pedro Roque   PHACT source
1397
1398
1399
1400
1401
1402
				if (V_IS_EMPTY(y)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 1 TTL_CTR_V);
					break;
				}
			}
			break;
4d26a735   Pedro Roque   Increased recogni...
1403
		}
94b2b13d   Pedro Roque   PHACT source
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
	}

	// if no choice made yet, try to set x != z − y
	if (V_N_VALS(vs_prop_[v_id]) == 2) {

		y_id = vs_per_c_idx[2];
		z_id = vs_per_c_idx[1];

		cl_v_copy_pm(&x, &vs_prop_[x_id] TTL_CTR_V);
		cl_v_copy_pm(&y, &vs_prop_[y_id] TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1414
		cl_v_copy_pm(&z, &vs_prop_[z_id] TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
1415
1416
1417
1418
1419
1420

		for (i = 0; i < 1; i++) {
			if (prop_v_id == (unsigned int)x_id) {

				cl_v_del_lt_n(&changed_y1, &y, V_MIN(x) + V_MIN(z) TTL_CTR_V);
				if (changed_y1) {
4d26a735   Pedro Roque   Increased recogni...
1421
					if (V_IS_EMPTY(y)) {
94b2b13d   Pedro Roque   PHACT source
1422
1423
1424
1425
1426
1427
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
				}
				cl_v_del_gt_n(&changed_y2, &y, V_MAX(x) + V_MAX(z) TTL_CTR_V);
				if (changed_y2) {
4d26a735   Pedro Roque   Increased recogni...
1428
					if (V_IS_EMPTY(y)) {
94b2b13d   Pedro Roque   PHACT source
1429
1430
1431
1432
1433
1434
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
				}
				cl_v_del_lt_n(&changed_z1, &z, V_MIN(y) - V_MAX(x) TTL_CTR_V);
				if (changed_z1) {
4d26a735   Pedro Roque   Increased recogni...
1435
					if (V_IS_EMPTY(z)) {
94b2b13d   Pedro Roque   PHACT source
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
				}
				cl_v_del_gt_n(&changed_z2, &z, V_MAX(y) - V_MIN(x) TTL_CTR_V);
				if (changed_z2) {
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
				}
				break;
			}

			if (prop_v_id == (unsigned int)y_id) {
				cl_v_del_lt_n(&changed_x1, &x, V_MIN(y) - V_MAX(z) TTL_CTR_V);
				if (changed_x1) {
					if (V_IS_EMPTY(x)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
4d26a735   Pedro Roque   Increased recogni...
1457
				}
94b2b13d   Pedro Roque   PHACT source
1458
				cl_v_del_gt_n(&changed_x2, &x, V_MAX(y) - V_MIN(z) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1459
				if (changed_x2) {
94b2b13d   Pedro Roque   PHACT source
1460
1461
1462
1463
1464
1465
					if (V_IS_EMPTY(x)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
				}
				cl_v_del_lt_n(&changed_z1, &z, V_MIN(y) - V_MAX(x) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1466
				if (changed_z1) {
94b2b13d   Pedro Roque   PHACT source
1467
1468
1469
1470
1471
1472
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
				}
				cl_v_del_gt_n(&changed_z2, &z, V_MAX(y) - V_MIN(x) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1473
				if (changed_z2) {
94b2b13d   Pedro Roque   PHACT source
1474
1475
1476
1477
1478
1479
					if (V_IS_EMPTY(z)) {
						cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
						break;
					}
				}
				break;
4d26a735   Pedro Roque   Increased recogni...
1480
			}
94b2b13d   Pedro Roque   PHACT source
1481
1482
1483
1484
1485
1486
1487
1488
1489

			// prop_v_id == z_id
			cl_v_del_lt_n(&changed_x1, &x, V_MIN(y) - V_MAX(z) TTL_CTR_V);
			if (changed_x1) {
				if (V_IS_EMPTY(x)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
					break;
				}
			}
4d26a735   Pedro Roque   Increased recogni...
1490
1491
			cl_v_del_gt_n(&changed_x2, &x, V_MAX(y) - V_MIN(z) TTL_CTR_V);
			if (changed_x2) {
94b2b13d   Pedro Roque   PHACT source
1492
1493
1494
1495
1496
1497
				if (V_IS_EMPTY(x)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
					break;
				}
			}
			cl_v_del_lt_n(&changed_y1, &y, V_MIN(x) + V_MIN(z) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1498
			if (changed_y1) {
94b2b13d   Pedro Roque   PHACT source
1499
1500
1501
1502
1503
1504
				if (V_IS_EMPTY(y)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
					break;
				}
			}
			cl_v_del_gt_n(&changed_y2, &y, V_MAX(x) + V_MAX(z) TTL_CTR_V);
4d26a735   Pedro Roque   Increased recogni...
1505
			if (changed_y2) {
94b2b13d   Pedro Roque   PHACT source
1506
1507
1508
1509
1510
1511
				if (V_IS_EMPTY(y)) {
					cl_v_del_val_m(&changed, &vs_prop_[v_id], 0 TTL_CTR_V);
					break;
				}
			}
			break;
4d26a735   Pedro Roque   Increased recogni...
1512
		}
94b2b13d   Pedro Roque   PHACT source
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
	}

	// Propagate the one selected
	if (V_N_VALS(vs_prop_[v_id]) == 1) {

		// x!= y - z
		if (V_MIN(vs_prop_[v_id]) == 0) {
			y_id = vs_per_c_idx[1];
			z_id = vs_per_c_idx[2];
		// x!= z - y
4d26a735   Pedro Roque   Increased recogni...
1523
		} else {
94b2b13d   Pedro Roque   PHACT source
1524
1525
1526
1527
1528
1529
			y_id = vs_per_c_idx[2];
			z_id = vs_per_c_idx[1];
		}

		if (V_N_VALS(vs_prop_[x_id]) == 1 && V_N_VALS(vs_prop_[y_id]) == 1) {

4d26a735   Pedro Roque   Increased recogni...
1530
			cl_v_del_val_m(&changed, &vs_prop_[z_id], V_MIN(vs_prop_[y_id]) - V_MIN(vs_prop_[x_id]) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
1531
1532
1533
1534
1535
1536

			if (changed) {
				if (V_IS_EMPTY(vs_prop_[z_id])) {
					*prop_ok = 0;
					return;
				}
4d26a735   Pedro Roque   Increased recogni...
1537
				v_add_to_prop(vs_id_to_prop_, vs_prop_, z_id);
94b2b13d   Pedro Roque   PHACT source
1538
1539
1540
1541
1542
1543
			}
			return;
		}

		if (V_N_VALS(vs_prop_[x_id]) == 1 && V_N_VALS(vs_prop_[z_id]) == 1) {

4d26a735   Pedro Roque   Increased recogni...
1544
			cl_v_del_val_m(&changed, &vs_prop_[y_id], V_MIN(vs_prop_[x_id]) + V_MIN(vs_prop_[z_id]) TTL_CTR_V);
94b2b13d   Pedro Roque   PHACT source
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561

			if (changed) {
				if (V_IS_EMPTY(vs_prop_[y_id])) {
					*prop_ok = 0;
					return;
				}
				v_add_to_prop(vs_id_to_prop_, vs_prop_, y_id);
			}
			return;
		}

		if (V_N_VALS(vs_prop_[y_id]) == 1 && V_N_VALS(vs_prop_[z_id]) == 1) {

			cl_v_del_val_m(&changed, &vs_prop_[x_id], V_MIN(vs_prop_[y_id]) - V_MIN(vs_prop_[z_id]) TTL_CTR_V);

			if (changed) {
				if (V_IS_EMPTY(vs_prop_[x_id])) {
4d26a735   Pedro Roque   Increased recogni...
1562
					*prop_ok = 0;
94b2b13d   Pedro Roque   PHACT source
1563
1564
1565
1566
1567
1568
1569
					return;
				}
				v_add_to_prop(vs_id_to_prop_, vs_prop_, x_id);
			}
		}
	}
	return;
4d26a735   Pedro Roque   Increased recogni...
1570
}
94b2b13d   Pedro Roque   PHACT source
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
#endif

CUDA_FUNC void var_eq_minus_abs_propagate(CL_INTS_MEM int* vs_per_c_idx, CL_MEMORY VARS_PROP* vs_prop_, unsigned int prop_v_id, CL_CS_MEM cl_constr* current_cs, CL_MEMORY unsigned short* vs_id_to_prop_,
		bool* prop_ok PROPAGATED_FUNC TTL_CTR) {

#if CS_R_VAR_EQ_MINUS_ABS == 0
	var_eq_minus_abs_prop(vs_per_c_idx, vs_prop_, prop_v_id, current_cs, vs_id_to_prop_, prop_ok TTL_CTR_V);
#if CL_STATS == 1
	*propagated = true;
#endif
#elif CS_R_VAR_EQ_MINUS_ABS == 1
	if (current_cs->reified == 1) {
		if (prop_v_id != current_cs->reif_var_id) {
4d26a735   Pedro Roque   Increased recogni...
1584
			if (V_N_VALS(vs_prop_[current_cs->reif_var_id]) > 1) {
94b2b13d   Pedro Roque   PHACT source
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
				var_eq_minus_abs_reif(vs_per_c_idx, vs_prop_, prop_v_id, current_cs, vs_id_to_prop_ TTL_CTR_V);
			}
			if (V_N_VALS(vs_prop_[current_cs->reif_var_id]) == 1) {
				if (V_MIN(vs_prop_[current_cs->reif_var_id]) == 1) {
					var_eq_minus_abs_prop(vs_per_c_idx, vs_prop_, prop_v_id, current_cs, vs_id_to_prop_, prop_ok TTL_CTR_V);
				} else {
					var_eq_minus_abs_prop_opposite(vs_per_c_idx, vs_prop_, prop_v_id, current_cs, vs_id_to_prop_, prop_ok TTL_CTR_V);
				}
#if CL_STATS == 1
				*propagated = true;
#endif
			}
		}
4d26a735   Pedro Roque   Increased recogni...
1598
	} else {
94b2b13d   Pedro Roque   PHACT source
1599
1600
1601
1602
1603
1604
1605
1606
1607
		var_eq_minus_abs_prop(vs_per_c_idx, vs_prop_, prop_v_id, current_cs, vs_id_to_prop_, prop_ok TTL_CTR_V);
#if CL_STATS == 1
		*propagated = true;
#endif
	}
#endif
}

#endif
4d26a735   Pedro Roque   Increased recogni...

94b2b13d   Pedro Roque   PHACT source

4d26a735   Pedro Roque   Increased recogni...

94b2b13d   Pedro Roque   PHACT source

4d26a735   Pedro Roque   Increased recogni...

94b2b13d   Pedro Roque   PHACT source

94b2b13d   Pedro Roque   PHACT source

4d26a735   Pedro Roque   Increased recogni...

94b2b13d   Pedro Roque   PHACT source

94b2b13d   Pedro Roque   PHACT source