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Annotation of OpenXM_contrib/gmp/mpn/tests/divmod_1.c, Revision 1.1.1.1

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: }