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authorGuido van Rossum <guido@python.org>1996-08-19 23:06:45 (GMT)
committerGuido van Rossum <guido@python.org>1996-08-19 23:06:45 (GMT)
commit272841c4394f6ea095115d1ff6318c6e4e3103a6 (patch)
treeb9465e768a7dc6f522157c226f548e43fe3ce73c /Modules/mpzmodule.c
parent56b30ea664151de170666bd0fcc49206fc7ba5d4 (diff)
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Changes by Rob Hooft for GMP 2.0.2
Diffstat (limited to 'Modules/mpzmodule.c')
-rw-r--r--Modules/mpzmodule.c39
1 files changed, 29 insertions, 10 deletions
diff --git a/Modules/mpzmodule.c b/Modules/mpzmodule.c
index 397f825..d393be3 100644
--- a/Modules/mpzmodule.c
+++ b/Modules/mpzmodule.c
@@ -76,16 +76,23 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
/*
** IMHO, mpz_m{div,mod,divmod}() do the wrong things when the denominator < 0
-** I assume that this will be fixed in a future release
+** This has been fixed with gmp release 2.0
*/
/*#define MPZ_MDIV_BUG fixed the (for me) nexessary parts in libgmp.a */
/*
** IMO, mpz_get_str() assumes a bit too large target space, if he doesn't
** allocate it himself
*/
-#define MPZ_GET_STR_BUG
#include "gmp.h"
+#include "gmp-impl.h"
+
+#if __GNU_MP__ == 2
+#define GMP2
+#else
+#define MPZ_GET_STR_BUG
+#endif
+
typedef struct {
OB_HEAD
MP_INT mpz; /* the actual number */
@@ -117,7 +124,6 @@ newmpzobject()
} /* newmpzobject() */
#ifdef MPZ_GET_STR_BUG
-#include "gmp-impl.h"
#include "longlong.h"
#endif /* def MPZ_GET_STR_BUG */
@@ -162,8 +168,13 @@ mpz_format(objp, base, withname)
(int)mpz_sizeinbase(&mpzp->mpz, base));
#endif /* def MPZ_DEBUG */
#ifdef MPZ_GET_STR_BUG
+#ifdef GMP2
+ i += ((size_t) abs(mpzp->mpz._mp_size) * BITS_PER_MP_LIMB
+ * __mp_bases[base].chars_per_bit_exactly) + 1;
+#else
i += ((size_t) abs(mpzp->mpz.size) * BITS_PER_MP_LIMB
* __mp_bases[base].chars_per_bit_exactly) + 1;
+#endif
#else /* def MPZ_GET_STR_BUG */
i += (int)mpz_sizeinbase(&mpzp->mpz, base);
#endif /* def MPZ_GET_STR_BUG else */
@@ -580,7 +591,6 @@ mpz_power(a, b, m)
{
mpzobject *z;
int cmpres;
- long int longtmp1, longtmp2;
if ((object *)m!=Py_None)
{
@@ -725,7 +735,7 @@ mpz_nonzero(v)
} /* mpz_nonzero() */
static object *
-mpz_invert(v)
+py_mpz_invert(v)
mpzobject *v;
{
mpzobject *z;
@@ -737,7 +747,7 @@ mpz_invert(v)
mpz_com(&z->mpz, &v->mpz);
return (object *)z;
-} /* mpz_invert() */
+} /* py_mpz_invert() */
static object *
mpz_lshift(a, b)
@@ -925,7 +935,7 @@ MPZ_mpz(self, args)
mpz_init(&mplongdigit);
/* how we're gonna handle this? */
- if (isnegative = ((i = ((longobject *)objp)->ob_size) < 0) )
+ if ((isnegative = ((i = ((longobject *)objp)->ob_size) < 0) ))
i = -i;
while (i--) {
@@ -1220,7 +1230,11 @@ mpz_divm(res, num, den, mod)
mpz_init_set(&d0, den);
mpz_init_set(&d1, mod);
+#ifdef GMP2
+ while (d1._mp_size != 0) {
+#else
while (d1.size != 0) {
+#endif
mpz_divmod(&q, &r, &d0, &d1);
mpz_set(&d0, &d1);
mpz_set(&d1, &r);
@@ -1231,8 +1245,13 @@ mpz_divm(res, num, den, mod)
mpz_set(&s1, &x);
}
+#ifdef GMP2
+ if (d0._mp_size != 1 || d0._mp_d[0] != 1)
+ res->_mp_size = 0; /* trouble: the gcd != 1; set s to zero */
+#else
if (d0.size != 1 || d0.d[0] != 1)
res->size = 0; /* trouble: the gcd != 1; set s to zero */
+#endif
else {
#ifdef MPZ_MDIV_BUG
/* watch out here! first check the signs, and then perform
@@ -1364,7 +1383,7 @@ mpz_long(self)
/* determine sign, and copy self to scratch var */
mpz_init_set(&mpzscratch, &self->mpz);
- if (isnegative = (mpz_cmp_ui(&self->mpz, (unsigned long int)0) < 0))
+ if ((isnegative = (mpz_cmp_ui(&self->mpz, (unsigned long int)0) < 0)))
mpz_neg(&mpzscratch, &mpzscratch);
/* let those bits come, let those bits go,
@@ -1440,7 +1459,7 @@ mpz_float(self)
i = (int)mpz_size(&self->mpz);
/* determine sign, and copy abs(self) to scratch var */
- if (isnegative = (mpz_cmp_ui(&self->mpz, (unsigned long int)0) < 0)) {
+ if ((isnegative = (mpz_cmp_ui(&self->mpz, (unsigned long int)0) < 0))) {
mpz_init(&mpzscratch);
mpz_neg(&mpzscratch, &self->mpz);
}
@@ -1635,7 +1654,7 @@ static number_methods mpz_as_number = {
UF mpz_positive, /*tp_positive*/
UF mpz_absolute, /*tp_absolute*/
IF mpz_nonzero, /*tp_nonzero*/
- UF mpz_invert, /*nb_invert*/
+ UF py_mpz_invert, /*nb_invert*/
BF mpz_lshift, /*nb_lshift*/
BF mpz_rshift, /*nb_rshift*/
BF mpz_andfunc, /*nb_and*/