summaryrefslogtreecommitdiffstats
path: root/gnu/lib/libgmp/mpn/tests/mul_1.c
diff options
context:
space:
mode:
Diffstat (limited to 'gnu/lib/libgmp/mpn/tests/mul_1.c')
-rw-r--r--gnu/lib/libgmp/mpn/tests/mul_1.c212
1 files changed, 0 insertions, 212 deletions
diff --git a/gnu/lib/libgmp/mpn/tests/mul_1.c b/gnu/lib/libgmp/mpn/tests/mul_1.c
deleted file mode 100644
index 2b522fa..0000000
--- a/gnu/lib/libgmp/mpn/tests/mul_1.c
+++ /dev/null
@@ -1,212 +0,0 @@
-#include <stdio.h>
-#include "gmp.h"
-#include "gmp-impl.h"
-#include "longlong.h"
-
-#ifndef USG
-#include <sys/time.h>
-#include <sys/resource.h>
-
-unsigned long
-cputime ()
-{
- struct rusage rus;
-
- getrusage (0, &rus);
- return rus.ru_utime.tv_sec * 1000 + rus.ru_utime.tv_usec / 1000;
-}
-#else
-#include <time.h>
-
-#ifndef CLOCKS_PER_SEC
-#define CLOCKS_PER_SEC 1000000
-#endif
-
-#if CLOCKS_PER_SEC >= 10000
-#define CLOCK_TO_MILLISEC(cl) ((cl) / (CLOCKS_PER_SEC / 1000))
-#else
-#define CLOCK_TO_MILLISEC(cl) ((cl) * 1000 / CLOCKS_PER_SEC)
-#endif
-
-unsigned long
-cputime ()
-{
- return CLOCK_TO_MILLISEC (clock ());
-}
-#endif
-
-#define M * 1000000
-
-#ifndef CLOCK
-#if defined (__m88k__)
-#define CLOCK 20 M
-#elif defined (__i386__)
-#define CLOCK (16.666667 M)
-#elif defined (__m68k__)
-#define CLOCK (20 M)
-#elif defined (_IBMR2)
-#define CLOCK (25 M)
-#elif defined (__sparc__)
-#define CLOCK (20 M)
-#elif defined (__sun__)
-#define CLOCK (20 M)
-#elif defined (__mips)
-#define CLOCK (40 M)
-#elif defined (__hppa__)
-#define CLOCK (50 M)
-#elif defined (__alpha)
-#define CLOCK (133 M)
-#else
-#error "Don't know CLOCK of your machine"
-#endif
-#endif
-
-#ifndef OPS
-#define OPS 20000000
-#endif
-#ifndef SIZE
-#define SIZE 496
-#endif
-#ifndef TIMES
-#define TIMES OPS/SIZE
-#else
-#undef OPS
-#define OPS (SIZE*TIMES)
-#endif
-
-mp_limb_t
-refmpn_mul_1 (res_ptr, s1_ptr, s1_size, s2_limb)
- register mp_ptr res_ptr;
- register mp_srcptr s1_ptr;
- mp_size_t s1_size;
- register mp_limb_t s2_limb;
-{
- register mp_limb_t cy_limb;
- register mp_size_t j;
- register mp_limb_t prod_high, prod_low;
-
- /* The loop counter and index J goes from -S1_SIZE to -1. This way
- the loop becomes faster. */
- j = -s1_size;
-
- /* Offset the base pointers to compensate for the negative indices. */
- s1_ptr -= j;
- res_ptr -= j;
-
- cy_limb = 0;
- do
- {
- umul_ppmm (prod_high, prod_low, s1_ptr[j], s2_limb);
-
- prod_low += cy_limb;
- cy_limb = (prod_low < cy_limb) + prod_high;
-
- res_ptr[j] = prod_low;
- }
- while (++j != 0);
-
- return cy_limb;
-}
-
-main (argc, argv)
- int argc;
- char **argv;
-{
- mp_limb_t s1[SIZE];
- mp_limb_t dx[SIZE+2];
- mp_limb_t dy[SIZE+2];
- mp_limb_t cyx, cyy;
- int i;
- long t0, t;
- int test;
- mp_limb_t xlimb;
- mp_size_t size;
-
- for (test = 0; ; test++)
- {
-#ifdef RANDOM
- size = (random () % SIZE + 1);
-#else
- size = SIZE;
-#endif
-
- mpn_random2 (s1, size);
- mpn_random2 (dy+1, size);
-
- if (random () % 0x100 == 0)
- xlimb = 0;
- else
- mpn_random2 (&xlimb, 1);
-
- dy[size+1] = 0x12345678;
- dy[0] = 0x87654321;
-
-#if defined (PRINT) || defined (XPRINT)
- printf ("xlimb=%*lX\n", (int) (2 * sizeof(mp_limb_t)), xlimb);
-#endif
-#ifdef PRINT
- mpn_print (s1, size);
-#endif
-
- MPN_COPY (dx, dy, size+2);
- t0 = cputime();
- for (i = 0; i < TIMES; i++)
- cyx = refmpn_mul_1 (dx+1, s1, size, xlimb);
- t = cputime() - t0;
-#if TIMES != 1
- printf ("refmpn_mul_1: %5ldms (%.2f cycles/limb)\n",
- t,
- ((double) t * CLOCK) / (OPS * 1000.0));
-#endif
-
- MPN_COPY (dx, dy, size+2);
- t0 = cputime();
- for (i = 0; i < TIMES; i++)
- cyy = mpn_mul_1 (dx+1, s1, size, xlimb);
- t = cputime() - t0;
-#if TIMES != 1
- printf ("mpn_mul_1: %5ldms (%.2f cycles/limb)\n",
- t,
- ((double) t * CLOCK) / (OPS * 1000.0));
-#endif
-
- cyx = refmpn_mul_1 (dx+1, s1, size, xlimb);
- cyy = mpn_mul_1 (dy+1, s1, size, xlimb);
-
-#ifdef PRINT
- printf ("%*lX ", (int) (2 * sizeof(mp_limb_t)), cyx);
- mpn_print (dx+1, size);
- printf ("%*lX ", (int) (2 * sizeof(mp_limb_t)), cyy);
- mpn_print (dy+1, size);
-#endif
-
-#ifndef NOCHECK
- if (cyx != cyy || mpn_cmp (dx, dy, size+2) != 0
- || dx[size+1] != 0x12345678 || dx[0] != 0x87654321)
- {
-#ifndef PRINT
- printf ("%*lX ", (int) (2 * sizeof(mp_limb_t)), cyx);
- mpn_print (dx+1, size);
- printf ("%*lX ", (int) (2 * sizeof(mp_limb_t)), cyy);
- mpn_print (dy+1, size);
-#endif
- abort();
- }
-#endif
- }
-}
-
-mpn_print (mp_ptr p, mp_size_t size)
-{
- mp_size_t i;
-
- for (i = size - 1; i >= 0; i--)
- {
- printf ("%0*lX", (int) (2 * sizeof(mp_limb_t)), p[i]);
-#ifdef SPACE
- if (i != 0)
- printf (" ");
-#endif
- }
- puts ("");
-}
OpenPOWER on IntegriCloud