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-rw-r--r--hungarian.c45
1 files changed, 23 insertions, 22 deletions
diff --git a/hungarian.c b/hungarian.c
index 9d6d54b..4dc7c1e 100644
--- a/hungarian.c
+++ b/hungarian.c
@@ -3,7 +3,7 @@
/**
* 𝓞(n³) implementation of the Hungarian algorithm
*
- * Copyright (C) 2011 Mattias Andrée
+ * Copyright (C) 2011, 2014 Mattias Andrée
*
* This program is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
@@ -15,6 +15,7 @@
#include <stdio.h>
#include <stdlib.h>
+#include <stdint.h>
#ifndef RANDOM_DEVICE
@@ -25,9 +26,9 @@
#define cell long
#define CELL_STR "%li"
-#define llong long long
-#define byte char
-#define boolean long
+#define llong int_fast64_t
+#define byte int_fast8_t
+#define boolean int_fast8_t
#define null 0
#define true 1
#define false 0
@@ -41,32 +42,32 @@
#define new_booleans(X) new_longs(X)
//new byte[X]
-#define new_bytes(X) malloc(X)
+#define new_bytes(X) malloc((size_t)(X))
//new llong[X]
-#define new_llongs(X) malloc((X) << 3)
+#define new_llongs(X) malloc((size_t)(X) << 3)
//new long[X]
#if !(defined __LP64__ || defined __LLP64__)
- #define new_longs(X) malloc((X) << 2) /*32-bit*/
+# define new_longs(X) malloc((size_t)(X) << 2) /*32-bit*/
#else
- #define new_longs(X) malloc((X) << 3) /*64-bit*/
+# define new_longs(X) malloc((size_t)(X) << 3) /*64-bit*/
#endif
//new float[X]
-#define new_floats(X) malloc((X) << 2)
+#define new_floats(X) malloc((size_t)(X) << 2)
//new double[X]
-#define new_doubles(X) malloc((X) << 3)
+#define new_doubles(X) malloc((size_t)(X) << 3)
//new ?[][X]
#define new_arrays(X) new_longs(X)
#ifdef DEBUG
- #define debug(X) fprintf(stderr, "\e[31m%s\e[m\n", X)
+# define debug(X) fprintf(stderr, "\033[31m%s\033[m\n", X)
#else
- #define debug(X)
+# define debug(X)
#endif
@@ -130,7 +131,7 @@ long** kuhn_assign(byte** marks, long n, long 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);
+long BitSet_any(BitSet this) __attribute__((pure));
long lb(llong x) __attribute__((const));
@@ -138,7 +139,7 @@ long lb(llong x) __attribute__((const));
void print(cell** t, long n, long m, long** assignment);
-int main(int argc, char** argv)
+int main(int argc, char** argv __attribute__((unused)))
{
FILE* urandom = fopen(RANDOM_DEVICE, "r");
unsigned int seed;
@@ -224,8 +225,8 @@ void print(cell** t, long n, long m, long** assignment)
for (j = 0; j < m; j++)
{
if (*(*(assigned + i) + j))
- printf("\e[%lim", 30 + *(*(assigned + i) + j));
- printf("%5li%s\e[m ", (cell)(*(*(t + i) + j)), (*(*(assigned + i) + j) ? "^" : " "));
+ printf("\033[%lim", 30 + *(*(assigned + i) + j));
+ printf("%5li%s\033[m ", (cell)(*(*(t + i) + j)), (*(*(assigned + i) + j) ? "^" : " "));
}
printf("\n\n");
@@ -751,12 +752,12 @@ long lb(llong value)
long rc = 0L;
llong v = value;
- if (v & 0xFFFFFFFF00000000LL) { rc |= 32L; v >>= 32LL; }
- if (v & 0x00000000FFFF0000LL) { rc |= 16L; v >>= 16LL; }
- if (v & 0x000000000000FF00LL) { rc |= 8L; v >>= 8LL; }
- if (v & 0x00000000000000F0LL) { rc |= 4L; v >>= 4LL; }
- if (v & 0x000000000000000CLL) { rc |= 2L; v >>= 2LL; }
- if (v & 0x0000000000000002LL) rc |= 1L;
+ if (v & (int_fast64_t)0xFFFFFFFF00000000LL) { rc |= 32L; v >>= 32LL; }
+ if (v & (int_fast64_t)0x00000000FFFF0000LL) { rc |= 16L; v >>= 16LL; }
+ if (v & (int_fast64_t)0x000000000000FF00LL) { rc |= 8L; v >>= 8LL; }
+ if (v & (int_fast64_t)0x00000000000000F0LL) { rc |= 4L; v >>= 4LL; }
+ if (v & (int_fast64_t)0x000000000000000CLL) { rc |= 2L; v >>= 2LL; }
+ if (v & (int_fast64_t)0x0000000000000002LL) rc |= 1L;
return rc;
}