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#include "copyright.h" |
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< |
#include <stdlib.h> |
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< |
|
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< |
#include "standard.h" |
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> |
#include "rterror.h" |
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#include "random.h" |
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#undef initurand |
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unsigned short *urperm = &empty_tab; /* urand() permutation */ |
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int urmask = 0; /* bits used in permutation */ |
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|
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+ |
|
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long |
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irandom( /* better than using random() % modulus */ |
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long modulus |
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) |
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{ |
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if ((sizeof(long) == 8) | (sizeof(int) == 8)) |
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return((random()*modulus)>>31); |
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|
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if (sizeof(long long) == 8) |
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return((random()*(long long)modulus)>>31); |
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|
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return(random() % modulus); |
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} |
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|
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int |
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initurand(size) /* initialize urand() for size entries */ |
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int size; |
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> |
initurand( /* initialize urand() for size entries */ |
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int size |
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) |
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{ |
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int order, n; |
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register int i, offset; |
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> |
int i, offset; |
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|
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if ((urperm != NULL) & (urperm != &empty_tab)) |
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free((void *)urperm); |
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int |
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ilhash(d, n) /* hash a set of integer values */ |
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register int *d; |
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register int n; |
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ilhash( /* hash a set of integer values */ |
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int *d, |
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> |
int n |
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> |
) |
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{ |
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static int tab[8] = {103699,96289,73771,65203,81119,87037,92051,98899}; |
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< |
register int hval; |
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> |
int hval; |
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|
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hval = 0; |
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while (n-- > 0) |