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-rw-r--r--contrib/libgmp/mpn/tests/divmod_1.c120
1 files changed, 120 insertions, 0 deletions
diff --git a/contrib/libgmp/mpn/tests/divmod_1.c b/contrib/libgmp/mpn/tests/divmod_1.c
new file mode 100644
index 0000000..f6b541e
--- /dev/null
+++ b/contrib/libgmp/mpn/tests/divmod_1.c
@@ -0,0 +1,120 @@
+#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 1000
+#endif
+#ifndef TIMES
+#define TIMES OPS/SIZE
+#else
+#undef OPS
+#define OPS (SIZE*TIMES)
+#endif
+
+main ()
+{
+ mp_limb_t nptr[SIZE];
+ mp_limb_t qptr[SIZE];
+ mp_limb_t pptr[SIZE];
+ mp_limb_t dlimb, rlimb, plimb;
+ mp_size_t nsize, qsize, psize;
+ int test;
+
+ for (test = 0; ; test++)
+ {
+#ifdef RANDOM
+ nsize = random () % SIZE + 1;
+#else
+ nsize = SIZE;
+#endif
+
+ mpn_random2 (nptr, nsize);
+
+ mpn_random2 (&dlimb, 1);
+ if (dlimb == 0)
+ abort ();
+
+ rlimb = mpn_divmod_1 (qptr, nptr, nsize, dlimb);
+ qsize = nsize - (qptr[nsize - 1] == 0);
+ if (qsize == 0)
+ {
+ plimb = rlimb;
+ psize = qsize;
+ }
+ else
+ {
+ plimb = mpn_mul_1 (pptr, qptr, qsize, dlimb);
+ psize = qsize;
+ plimb += mpn_add_1 (pptr, pptr, psize, rlimb);
+ }
+ if (plimb != 0)
+ pptr[psize++] = plimb;
+
+
+ if (nsize != psize || mpn_cmp (nptr, pptr, nsize) != 0)
+ abort ();
+ }
+}
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