sparse_int.h 2.51 KB
Newer Older
Alan Mishchenko committed
1 2 3 4 5 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
/*
 * Revision Control Information
 *
 * $Source$
 * $Author$
 * $Revision$
 * $Date$
 *
 */
//#include "port.h"
//#include "utility.h"
#include "sparse.h"

#include "util_hack.h" // added



/*
 *  sorted, double-linked list insertion
 *
 *  type: object type
 *
 *  first, last: fields (in header) to head and tail of the list
 *  count: field (in header) of length of the list
 *
 *  next, prev: fields (in object) to link next and previous objects
 *  value: field (in object) which controls the order
 *
 *  newval: value field for new object
 *  e: an object to use if insertion needed (set to actual value used)
 */

33
#define ABC__misc__espresso__sparse_int_h
Alan Mishchenko committed
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 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121
    if (last == 0) { \
    e->value = newval; \
    first = e; \
    last = e; \
    e->next = 0; \
    e->prev = 0; \
    count++; \
    } else if (last->value < newval) { \
    e->value = newval; \
    last->next = e; \
    e->prev = last; \
    last = e; \
    e->next = 0; \
    count++; \
    } else if (first->value > newval) { \
    e->value = newval; \
    first->prev = e; \
    e->next = first; \
    first = e; \
    e->prev = 0; \
    count++; \
    } else { \
    type *p; \
    for(p = first; p->value < newval; p = p->next) \
        ; \
    if (p->value > newval) { \
        e->value = newval; \
        p = p->prev; \
        p->next->prev = e; \
        e->next = p->next; \
        p->next = e; \
        e->prev = p; \
        count++; \
    } else { \
        e = p; \
    } \
    }


/*
 *  double linked-list deletion
 */
#define dll_unlink(p, first, last, next, prev, count) { \
    if (p->prev == 0) { \
    first = p->next; \
    } else { \
    p->prev->next = p->next; \
    } \
    if (p->next == 0) { \
    last = p->prev; \
    } else { \
    p->next->prev = p->prev; \
    } \
    count--; \
}


#ifdef FAST_AND_LOOSE
extern sm_element *sm_element_freelist;
extern sm_row *sm_row_freelist;
extern sm_col *sm_col_freelist;

#define sm_element_alloc(newobj) \
    if (sm_element_freelist == NIL(sm_element)) { \
    newobj = ALLOC(sm_element, 1); \
    } else { \
    newobj = sm_element_freelist; \
    sm_element_freelist = sm_element_freelist->next_col; \
    } \
    newobj->user_word = NIL(char); \

#define sm_element_free(e) \
    (e->next_col = sm_element_freelist, sm_element_freelist = e)

#else

#define sm_element_alloc(newobj)    \
    newobj = ALLOC(sm_element, 1);    \
    newobj->user_word = NIL(char);
#define sm_element_free(e)        \
    FREE(e)
#endif


extern void sm_row_remove_element();
extern void sm_col_remove_element();

/* LINTLIBRARY */