diff options
Diffstat (limited to 'games/primes/primes.h')
| -rw-r--r-- | games/primes/primes.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/games/primes/primes.h b/games/primes/primes.h index 0951bbf..3a18fc7 100644 --- a/games/primes/primes.h +++ b/games/primes/primes.h @@ -41,8 +41,10 @@ * chongo <for a good prime call: 391581 * 2^216193 - 1> /\oo/\ */ +#include <stdint.h> + /* ubig is the type that holds a large unsigned value */ -typedef unsigned long ubig; /* must be >=32 bit unsigned value */ +typedef uint64_t ubig; /* must be >=32 bit unsigned value */ #define BIG ULONG_MAX /* largest value will sieve */ /* bytes in sieve table (must be > 3*5*7*11) */ @@ -57,6 +59,9 @@ typedef unsigned long ubig; /* must be >=32 bit unsigned value */ extern const ubig prime[]; extern const ubig *const pr_limit; /* largest prime in the prime array */ +/* Maximum size sieving alone can handle. */ +#define SIEVEMAX 4295098368ULL + /* * To avoid excessive sieves for small factors, we use the table below to * setup our sieve blocks. Each element represents an odd number starting @@ -64,3 +69,9 @@ extern const ubig *const pr_limit; /* largest prime in the prime array */ */ extern const char pattern[]; extern const size_t pattern_size; /* length of pattern array */ + +/* Test for primality using strong pseudoprime tests. */ +int isprime(ubig); + +/* Maximum value which the SPSP code can handle. */ +#define SPSPMAX 3825123056546413050ULL |
