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bit-based bitmaps for groups

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This commit is contained in:
Michael Steil 2010-09-22 22:51:14 +00:00
parent 65186a75bd
commit 8aff6d4603
1 changed files with 3 additions and 5 deletions
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8
perfect6502.c
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@ -122,8 +122,7 @@ printarray(int *array, int count)
int group[NODES];
int groupcount;
//int groupbitmap[NODES/sizeof(int)];
char groupbitmap[NODES];
int groupbitmap[NODES/sizeof(int)];
BOOL
arrayContains(int el)
@ -137,8 +136,7 @@ arrayContains(int el)
}
return NO;
#else
return groupbitmap[el];
// return (groupbitmap[el>>5] >> (el & 31)) & 1;
return (groupbitmap[el>>5] >> (el & 31)) & 1;
#endif
}
@ -192,7 +190,7 @@ addNodeToGroup(int i)
if (arrayContains(i))
return;
group[groupcount++] = i;
groupbitmap[i] = 1;
groupbitmap[i>>5] |= 1 << (i & 31);
if (i == ngnd)
return;
if (i == npwr)