src/mdd/mdd_func2c.c File Reference

#include "mdd.h"

Include dependency graph for mdd_func2c.c:

Go to the source code of this file.

Functions
mdd_t *	mdd_func2c (mdd_manager *mgr, int mvar1, int mvar2, int constant, boolean(*func3)(int, int, int))

---

Function Documentation

mdd_t* mdd_func2c	(	mdd_manager *	mgr,
		int	mvar1,
		int	mvar2,
		int	constant,
		boolean(*)(int, int, int)	func3
	)

Definition at line 19 of file mdd_func2c.c.

{
    mvar_type x, y;
    array_t *child_list_x, *child_list_y;
    int i, j;
    mdd_t *tx, *ty;
    array_t *mvar_list = mdd_ret_mvar_list(mgr);
    mdd_t *one, *zero;

    x = array_fetch(mvar_type, mvar_list, mvar1);
    y = array_fetch(mvar_type, mvar_list, mvar2);

    if (x.status == MDD_BUNDLED) {
        (void) fprintf(stderr, 
                "\nWarning: mdd_func2c, bundled variable %s is used\n", x.name);
        fail("");
    }

    if (y.status == MDD_BUNDLED) {
        (void) fprintf(stderr,
                "\nWarning: mdd_func2c, bundled variable %s is used\n", y.name);
        fail("");
    }


    one = mdd_one(mgr);
    zero = mdd_zero(mgr);

    child_list_x = array_alloc(mdd_t *, 0);
    for (i=0; i<x.values; i++) {
        child_list_y = array_alloc(mdd_t *, 0);
        for (j=0; j<y.values; j++) {
            if (func3(i,j,constant))
                array_insert_last(mdd_t *, child_list_y, one);
            else
                array_insert_last(mdd_t *, child_list_y, zero);
        }
        ty = mdd_case(mgr, mvar2, child_list_y);
        array_insert_last(mdd_t *, child_list_x, ty);
        array_free(child_list_y);
    }
    tx = mdd_case(mgr, mvar1, child_list_x);
    array_free(child_list_x);

    mdd_free(zero);
    mdd_free(one);

    return tx;
}