aa9bc17601
BMakefiles and other bits will follow. Requested by: Andrey Chernov Made world by: Chuck Robey
121 lines
2.0 KiB
C
121 lines
2.0 KiB
C
#include <stdio.h>
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#include "gmp.h"
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#include "gmp-impl.h"
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#include "longlong.h"
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#ifndef USG
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#include <sys/time.h>
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#include <sys/resource.h>
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unsigned long
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cputime ()
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{
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struct rusage rus;
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getrusage (0, &rus);
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return rus.ru_utime.tv_sec * 1000 + rus.ru_utime.tv_usec / 1000;
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}
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#else
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#include <time.h>
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#ifndef CLOCKS_PER_SEC
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#define CLOCKS_PER_SEC 1000000
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#endif
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#if CLOCKS_PER_SEC >= 10000
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#define CLOCK_TO_MILLISEC(cl) ((cl) / (CLOCKS_PER_SEC / 1000))
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#else
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#define CLOCK_TO_MILLISEC(cl) ((cl) * 1000 / CLOCKS_PER_SEC)
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#endif
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unsigned long
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cputime ()
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{
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return CLOCK_TO_MILLISEC (clock ());
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}
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#endif
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#define M * 1000000
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#ifndef CLOCK
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#if defined (__m88k__)
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#define CLOCK 20 M
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#elif defined (__i386__)
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#define CLOCK (16.666667 M)
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#elif defined (__m68k__)
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#define CLOCK (20 M)
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#elif defined (_IBMR2)
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#define CLOCK (25 M)
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#elif defined (__sparc__)
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#define CLOCK (20 M)
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#elif defined (__sun__)
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#define CLOCK (20 M)
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#elif defined (__mips)
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#define CLOCK (40 M)
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#elif defined (__hppa__)
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#define CLOCK (50 M)
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#elif defined (__alpha)
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#define CLOCK (133 M)
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#else
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#error "Don't know CLOCK of your machine"
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#endif
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#endif
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#ifndef OPS
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#define OPS 20000000
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#endif
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#ifndef SIZE
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#define SIZE 1000
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#endif
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#ifndef TIMES
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#define TIMES OPS/SIZE
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#else
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#undef OPS
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#define OPS (SIZE*TIMES)
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#endif
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main ()
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{
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mp_limb_t nptr[SIZE];
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mp_limb_t qptr[SIZE];
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mp_limb_t pptr[SIZE];
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mp_limb_t dlimb, rlimb, plimb;
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mp_size_t nsize, qsize, psize;
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int test;
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for (test = 0; ; test++)
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{
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#ifdef RANDOM
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nsize = random () % SIZE + 1;
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#else
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nsize = SIZE;
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#endif
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mpn_random2 (nptr, nsize);
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mpn_random2 (&dlimb, 1);
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if (dlimb == 0)
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abort ();
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rlimb = mpn_divmod_1 (qptr, nptr, nsize, dlimb);
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qsize = nsize - (qptr[nsize - 1] == 0);
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if (qsize == 0)
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{
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plimb = rlimb;
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psize = qsize;
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}
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else
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{
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plimb = mpn_mul_1 (pptr, qptr, qsize, dlimb);
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psize = qsize;
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plimb += mpn_add_1 (pptr, pptr, psize, rlimb);
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}
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if (plimb != 0)
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pptr[psize++] = plimb;
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if (nsize != psize || mpn_cmp (nptr, pptr, nsize) != 0)
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abort ();
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}
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}
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