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Annotation of OpenXM_contrib/gmp/mpn/tests/divmod_1.c, Revision 1.1

1.1     ! maekawa     1: #include <stdio.h>
        !             2: #include "gmp.h"
        !             3: #include "gmp-impl.h"
        !             4: #include "longlong.h"
        !             5:
        !             6: #ifndef USG
        !             7: #include <sys/time.h>
        !             8: #include <sys/resource.h>
        !             9:
        !            10: unsigned long
        !            11: cputime ()
        !            12: {
        !            13:     struct rusage rus;
        !            14:
        !            15:     getrusage (0, &rus);
        !            16:     return rus.ru_utime.tv_sec * 1000 + rus.ru_utime.tv_usec / 1000;
        !            17: }
        !            18: #else
        !            19: #include <time.h>
        !            20:
        !            21: #ifndef CLOCKS_PER_SEC
        !            22: #define CLOCKS_PER_SEC 1000000
        !            23: #endif
        !            24:
        !            25: #if CLOCKS_PER_SEC >= 10000
        !            26: #define CLOCK_TO_MILLISEC(cl) ((cl) / (CLOCKS_PER_SEC / 1000))
        !            27: #else
        !            28: #define CLOCK_TO_MILLISEC(cl) ((cl) * 1000 / CLOCKS_PER_SEC)
        !            29: #endif
        !            30:
        !            31: unsigned long
        !            32: cputime ()
        !            33: {
        !            34:   return CLOCK_TO_MILLISEC (clock ());
        !            35: }
        !            36: #endif
        !            37:
        !            38: #define M * 1000000
        !            39:
        !            40: #ifndef CLOCK
        !            41: #if defined (__m88k__)
        !            42: #define CLOCK 20 M
        !            43: #elif defined (__i386__)
        !            44: #define CLOCK (16.666667 M)
        !            45: #elif defined (__m68k__)
        !            46: #define CLOCK (20 M)
        !            47: #elif defined (_IBMR2)
        !            48: #define CLOCK (25 M)
        !            49: #elif defined (__sparc__)
        !            50: #define CLOCK (20 M)
        !            51: #elif defined (__sun__)
        !            52: #define CLOCK (20 M)
        !            53: #elif defined (__mips)
        !            54: #define CLOCK (40 M)
        !            55: #elif defined (__hppa__)
        !            56: #define CLOCK (50 M)
        !            57: #elif defined (__alpha)
        !            58: #define CLOCK (133 M)
        !            59: #else
        !            60: #error "Don't know CLOCK of your machine"
        !            61: #endif
        !            62: #endif
        !            63:
        !            64: #ifndef OPS
        !            65: #define OPS 20000000
        !            66: #endif
        !            67: #ifndef SIZE
        !            68: #define SIZE 1000
        !            69: #endif
        !            70: #ifndef TIMES
        !            71: #define TIMES OPS/SIZE
        !            72: #else
        !            73: #undef OPS
        !            74: #define OPS (SIZE*TIMES)
        !            75: #endif
        !            76:
        !            77: main ()
        !            78: {
        !            79:   mp_limb_t nptr[SIZE];
        !            80:   mp_limb_t qptr[SIZE];
        !            81:   mp_limb_t pptr[SIZE];
        !            82:   mp_limb_t dlimb, rlimb, plimb;
        !            83:   mp_size_t nsize, qsize, psize;
        !            84:   int test;
        !            85:
        !            86:   for (test = 0; ; test++)
        !            87:     {
        !            88: #ifdef RANDOM
        !            89:       nsize = random () % SIZE + 1;
        !            90: #else
        !            91:       nsize = SIZE;
        !            92: #endif
        !            93:
        !            94:       mpn_random2 (nptr, nsize);
        !            95:
        !            96:       mpn_random2 (&dlimb, 1);
        !            97:       if (dlimb == 0)
        !            98:        abort ();
        !            99:
        !           100:       rlimb = mpn_divmod_1 (qptr, nptr, nsize, dlimb);
        !           101:       qsize = nsize - (qptr[nsize - 1] == 0);
        !           102:       if (qsize == 0)
        !           103:        {
        !           104:          plimb = rlimb;
        !           105:          psize = qsize;
        !           106:        }
        !           107:       else
        !           108:        {
        !           109:          plimb = mpn_mul_1 (pptr, qptr, qsize, dlimb);
        !           110:          psize = qsize;
        !           111:          plimb += mpn_add_1 (pptr, pptr, psize, rlimb);
        !           112:        }
        !           113:       if (plimb != 0)
        !           114:        pptr[psize++] = plimb;
        !           115:
        !           116:
        !           117:       if (nsize != psize || mpn_cmp (nptr, pptr, nsize) != 0)
        !           118:        abort ();
        !           119:     }
        !           120: }