OpenFPGA/ace2/cube.c

71 lines
1.6 KiB
C

#include "cube.h"
#include "bdd.h"
/* set_clear -- make "r" the empty set of "size" elements */
/*
pset set_clear(r, size)
register pset r;
int size;
{
register int i = LOOPINIT(size);
*r = i; do r[i] = 0; while (--i > 0);
return r;
}*/
ace_cube_t * ace_cube_dup(ace_cube_t * cube) {
int i;
ace_cube_t * cube_copy;
assert(cube != NULL);
assert(cube->num_literals > 0);
cube_copy = malloc(sizeof(ace_cube_t));
cube_copy->static_prob = cube->static_prob;
cube_copy->num_literals = cube->num_literals;
cube_copy->cube = set_new (2 * cube->num_literals);
for (i = 0; i < cube->num_literals; i++) {
switch (node_get_literal (cube->cube, i)) {
case ZERO:
set_insert(cube_copy->cube, 2 * i);
set_remove(cube_copy->cube, 2 * i + 1);
break;
case ONE:
set_remove(cube_copy->cube, 2 * i);
set_insert(cube_copy->cube, 2 * i + 1);
break;
case TWO:
set_insert(cube_copy->cube, 2 * i);
set_insert(cube_copy->cube, 2 * i + 1);
break;
default:
fail("Bad literal.");
}
}
return (cube_copy);
}
ace_cube_t * ace_cube_new_dc(int num_literals) {
int i;
ace_cube_t * new_cube;
new_cube = malloc(sizeof(ace_cube_t));
new_cube->num_literals = num_literals;
new_cube->static_prob = 1.0;
new_cube->cube = set_new (2 * num_literals);
for (i = 0; i < num_literals; i++) {
set_insert(new_cube->cube, 2 * i);
set_insert(new_cube->cube, 2 * i + 1);
}
return (new_cube);
}
void ace_cube_free(ace_cube_t * cube) {
assert(cube != NULL);
assert(cube->cube != NULL);
free(cube->cube);
free(cube);
}