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-rw-r--r--hungarian.c142
1 files changed, 71 insertions, 71 deletions
diff --git a/hungarian.c b/hungarian.c
index 4dc7c1e..4c0ea17 100644
--- a/hungarian.c
+++ b/hungarian.c
@@ -103,41 +103,41 @@ typedef struct
/**
* Singleton array with the index of the first non-zero limb
*/
- long* first;
+ ssize_t* first;
/**
* Array the the index of the previous non-zero limb for each limb
*/
- long* prev;
+ ssize_t* prev;
/**
* Array the the index of the next non-zero limb for each limb
*/
- long* next;
+ ssize_t* next;
} BitSet;
-long** kuhn_match(cell** table, long n, long m);
-void kuhn_reduceRows(cell** t, long n, long m);
-byte** kuhn_mark(cell** t, long n, long m);
-boolean kuhn_isDone(byte** marks, boolean* colCovered, long n, long m);
-long* kuhn_findPrime(cell** t, byte** marks, boolean* rowCovered, boolean* colCovered, long n, long m);
-void kuhn_altMarks(byte** marks, long* altRow, long* altCol, long* colMarks, long* rowPrimes, long* prime, long n, long m);
-void kuhn_addAndSubtract(cell** t, boolean* rowCovered, boolean* colCovered, long n, long m);
-long** kuhn_assign(byte** marks, long n, long m);
+ssize_t** kuhn_match(cell** table, size_t n, size_t m);
+void kuhn_reduceRows(cell** t, size_t n, size_t m);
+byte** kuhn_mark(cell** t, size_t n, size_t m);
+boolean kuhn_isDone(byte** marks, boolean* colCovered, size_t n, size_t m);
+long* kuhn_findPrime(cell** t, byte** marks, boolean* rowCovered, boolean* colCovered, size_t n, size_t m);
+void kuhn_altMarks(byte** marks, ssize_t* altRow, ssize_t* altCol, ssize_t* colMarks, ssize_t* rowPrimes, ssize_t* prime, size_t n, size_t m);
+void kuhn_addAndSubtract(cell** t, boolean* rowCovered, boolean* colCovered, size_t n, size_t m);
+ssize_t** kuhn_assign(byte** marks, size_t n, size_t m);
-BitSet new_BitSet(long size);
-void BitSet_set(BitSet this, long i);
-void BitSet_unset(BitSet this, long i);
-long BitSet_any(BitSet this) __attribute__((pure));
+BitSet new_BitSet(size_t size);
+void BitSet_set(BitSet this, size_t i);
+void BitSet_unset(BitSet this, size_t i);
+ssize_t BitSet_any(BitSet this) __attribute__((pure));
-long lb(llong x) __attribute__((const));
+ssize_t lb(llong x) __attribute__((const));
-void print(cell** t, long n, long m, long** assignment);
+void print(cell** t, size_t n, size_t m, long** assignment);
int main(int argc, char** argv __attribute__((unused)))
{
@@ -148,12 +148,11 @@ int main(int argc, char** argv __attribute__((unused)))
fclose(urandom);
- long n = 10, m = 15;
+ size_t n = 10, m = 15;
- long i;
+ size_t i, j;
cell** t = new_arrays(n);
cell** table = new_arrays(n);
- long j;
if (argc < 2)
for (i = 0; i < n; i++)
{
@@ -164,9 +163,9 @@ int main(int argc, char** argv __attribute__((unused)))
}
else
{
- long x;
- scanf("%li", &n);
- scanf("%li", &m);
+ cell x;
+ scanf("%lu", &n);
+ scanf("%lu", &m);
t = new_arrays(n);
table = new_arrays(n);
for (i = 0; i < n; i++)
@@ -184,7 +183,7 @@ int main(int argc, char** argv __attribute__((unused)))
printf("\nInput:\n\n");
print(t, n, m, null);
- long** assignment = kuhn_match(table, n, m);
+ ssize_t** assignment = kuhn_match(table, n, m);
printf("\nOutput:\n\n");
print(t, n, m, assignment);
@@ -204,11 +203,11 @@ int main(int argc, char** argv __attribute__((unused)))
return 0;
}
-void print(cell** t, long n, long m, long** assignment)
+void print(cell** t, size_t n, size_t m, ssize_t** assignment)
{
- long i, j;
+ size_t i, j;
- long** assigned = new_arrays(n);
+ ssize_t** assigned = new_arrays(n);
for (i = 0; i < n; i++)
{
*(assigned + i) = new_longs(m);
@@ -248,9 +247,9 @@ void print(cell** t, long n, long m, long** assignment)
* @param m The width of the table
* @return The optimal assignment, an array of row–coloumn pairs
*/
-long** kuhn_match(cell** table, long n, long m)
+ssize_t** kuhn_match(cell** table, size_t n, size_t m)
{
- long i;
+ size_t i;
/* not copying table since it will only be used once */
@@ -307,7 +306,7 @@ long** kuhn_match(cell** table, long n, long m)
free(rowPrimes);
free(colMarks);
- long** rc = kuhn_assign(marks, n, m);
+ ssize_t** rc = kuhn_assign(marks, n, m);
for (i = 0; i < n; i++)
free(*(marks + i));
@@ -326,9 +325,9 @@ long** kuhn_match(cell** table, long n, long m)
* @param n The table's height
* @param m The table's width
*/
-void kuhn_reduceRows(cell** t, long n, long m)
+void kuhn_reduceRows(cell** t, size_t n, size_t m)
{
- long i, j;
+ size_t i, j;
cell min;
cell* ti;
for (i = 0; i < n; i++)
@@ -355,9 +354,9 @@ void kuhn_reduceRows(cell** t, long n, long m)
* @param m The table's width
* @return A matrix of markings as described in the summary
*/
-byte** kuhn_mark(cell** t, long n, long m)
+byte** kuhn_mark(cell** t, size_t n, size_t m)
{
- long i, j;
+ size_t i, j;
byte** marks = new_arrays(n);
byte* marksi;
for (i = 0; i < n; i++)
@@ -402,9 +401,9 @@ byte** kuhn_mark(cell** t, long n, long m)
* @param m The table's width
* @return Whether the marking is complete
*/
-boolean kuhn_isDone(byte** marks, boolean* colCovered, long n, long m)
+boolean kuhn_isDone(byte** marks, boolean* colCovered, size_t n, size_t m)
{
- long i, j;
+ size_t i, j;
for (j = 0; j < m; j++)
for (i = 0; i < n; i++)
if (*(*(marks + i) + j) == MARKED)
@@ -413,7 +412,7 @@ boolean kuhn_isDone(byte** marks, boolean* colCovered, long n, long m)
break;
}
- long count = 0;
+ size_t count = 0;
for (j = 0; j < m; j++)
if (*(colCovered + j))
count++;
@@ -433,9 +432,9 @@ boolean kuhn_isDone(byte** marks, boolean* colCovered, long n, long m)
* @param m The table's width
* @return The row and column of the found print, <code>null</code> will be returned if none can be found
*/
-long* kuhn_findPrime(cell** t, byte** marks, boolean* rowCovered, boolean* colCovered, long n, long m)
+ssize_t* kuhn_findPrime(cell** t, byte** marks, boolean* rowCovered, boolean* colCovered, size_t n, size_t m)
{
- long i, j;
+ size_t i, j;
BitSet zeroes = new_BitSet(n * m);
for (i = 0; i < n; i++)
@@ -444,7 +443,8 @@ long* kuhn_findPrime(cell** t, byte** marks, boolean* rowCovered, boolean* colCo
if ((!*(colCovered + j)) && (*(*(t + i) + j) == 0))
BitSet_set(zeroes, i * m + j);
- long p, row, col;
+ ssize_t p;
+ size_t row, col;
boolean markInRow;
for (;;)
@@ -459,8 +459,8 @@ long* kuhn_findPrime(cell** t, byte** marks, boolean* rowCovered, boolean* colCo
return null;
}
- row = p / m;
- col = p % m;
+ row = (size_t)p / m;
+ col = (size_t)p % m;
*(*(marks + row) + col) = PRIME;
@@ -527,9 +527,9 @@ long* kuhn_findPrime(cell** t, byte** marks, boolean* rowCovered, boolean* colCo
* @param n The table's height
* @param m The table's width
*/
-void kuhn_altMarks(byte** marks, long* altRow, long* altCol, long* colMarks, long* rowPrimes, long* prime, long n, long m)
+void kuhn_altMarks(byte** marks, ssize_t* altRow, ssize_t* altCol, ssize_t* colMarks, ssize_t* rowPrimes, ssize_t* prime, size_t n, size_t m)
{
- long index = 0, i, j;
+ size_t index = 0, i, j;
*altRow = *prime;
*altCol = *(prime + 1);
@@ -544,11 +544,11 @@ void kuhn_altMarks(byte** marks, long* altRow, long* altCol, long* colMarks, lon
for (i = 0; i < n; i++)
for (j = 0; j < m; j++)
if (*(*(marks + i) + j) == MARKED)
- *(colMarks + j) = i;
+ *(colMarks + j) = (ssize_t)i;
else if (*(*(marks + i) + j) == PRIME)
- *(rowPrimes + i) = j;
+ *(rowPrimes + i) = (ssize_t)j;
- long row, col;
+ ssize_t row, col;
for (;;)
{
row = *(colMarks + *(altCol + index));
@@ -598,9 +598,9 @@ void kuhn_altMarks(byte** marks, long* altRow, long* altCol, long* colMarks, lon
* @param n The table's height
* @param m The table's width
*/
-void kuhn_addAndSubtract(cell** t, boolean* rowCovered, boolean* colCovered, long n, long m)
+void kuhn_addAndSubtract(cell** t, boolean* rowCovered, boolean* colCovered, size_t n, size_t m)
{
- long i, j;
+ size_t i, j;
cell min = 0x7FFFffffL;
for (i = 0; i < n; i++)
if (!*(rowCovered + i))
@@ -627,19 +627,19 @@ void kuhn_addAndSubtract(cell** t, boolean* rowCovered, boolean* colCovered, lon
* @param m The table's width
* @return The assignment, an array of row–coloumn pairs
*/
-long** kuhn_assign(byte** marks, long n, long m)
+ssize_t** kuhn_assign(byte** marks, size_t n, size_t m)
{
- long** assignment = new_arrays(n);
+ ssize_t** assignment = new_arrays(n);
- long i, j;
+ size_t i, j;
for (i = 0; i < n; i++)
{
*(assignment + i) = new_longs(2);
for (j = 0; j < m; j++)
if (*(*(marks + i) + j) == MARKED)
{
- **(assignment + i) = i;
- *(*(assignment + i) + 1) = j;
+ **(assignment + i) = (ssize_t)i;
+ *(*(assignment + i) + 1) = (ssize_t)j;
}
}
@@ -653,11 +653,11 @@ long** kuhn_assign(byte** marks, long n, long m)
* @param size The (fixed) number of bits to bit set should contain
* @return The a unique BitSet instance with the specified size
*/
-BitSet new_BitSet(long size)
+BitSet new_BitSet(size_t size)
{
BitSet this;
- long c = size >> 6L;
+ size_t c = size >> 6L;
if (size & 63L)
c++;
@@ -666,7 +666,7 @@ BitSet new_BitSet(long size)
this.next = new_longs(c + 1L);
*(this.first = new_longs(1)) = 0;
- long i;
+ size_t i;
for (i = 0; i < c; i++)
{
*(this.limbs + i) = 0LL;
@@ -683,9 +683,9 @@ BitSet new_BitSet(long size)
* @param this The bit set
* @param i The index of the bit to turn on
*/
-void BitSet_set(BitSet this, long i)
+void BitSet_set(BitSet this, size_t i)
{
- long j = i >> 6L;
+ size_t j = i >> 6L;
llong old = *(this.limbs + j);
*(this.limbs + j) |= 1LL << (llong)(i & 63L);
@@ -693,10 +693,10 @@ void BitSet_set(BitSet this, long i)
if ((!*(this.limbs + j)) ^ (!old))
{
j++;
- *(this.prev + *(this.first)) = j;
+ *(this.prev + *(this.first)) = (ssize_t)j;
*(this.prev + j) = 0;
*(this.next + j) = *(this.first);
- *(this.first) = j;
+ *(this.first) = (ssize_t)j;
}
}
@@ -706,21 +706,21 @@ void BitSet_set(BitSet this, long i)
* @param this The bit set
* @param i The index of the bit to turn off
*/
-void BitSet_unset(BitSet this, long i)
+void BitSet_unset(BitSet this, size_t i)
{
- long j = i >> 6L;
+ size_t j = i >> 6L;
llong old = *(this.limbs + j);
*(this.limbs + j) &= ~(1LL << (llong)(i & 63L));
if ((!*(this.limbs + j)) ^ (!old))
{
- j++;
- long p = *(this.prev + j);
- long n = *(this.next + j);
+ j++;
+ ssize_t p = *(this.prev + j);
+ ssize_t n = *(this.next + j);
*(this.prev + n) = p;
*(this.next + p) = n;
- if (*(this.first) == j)
+ if (*(this.first) == (ssize_t)j)
*(this.first) = n;
}
}
@@ -731,12 +731,12 @@ void BitSet_unset(BitSet this, long i)
* @param this The bit set
* @return The index of any set bit
*/
-long BitSet_any(BitSet this)
+ssize_t BitSet_any(BitSet this)
{
if (*(this.first) == 0L)
return -1;
- long i = *(this.first) - 1L;
+ ssize_t i = *(this.first) - 1;
return lb(*(this.limbs + i) & -*(this.limbs + i)) + (i << 6L);
}
@@ -747,9 +747,9 @@ long BitSet_any(BitSet this)
* @param value The integer whose logarithm to calculate
* @return The floored binary logarithm of the integer
*/
-long lb(llong value)
+ssize_t lb(llong value)
{
- long rc = 0L;
+ ssize_t rc = 0;
llong v = value;
if (v & (int_fast64_t)0xFFFFFFFF00000000LL) { rc |= 32L; v >>= 32LL; }