PyTypeObject *mp_pytype = 0;
PyTypeObject *gf_pytype = 0;
+#ifndef PyLong_SHIFT
+# define PyLong_SHIFT SHIFT
+#endif
+
+#ifndef PyLong_MASK
+# define PyLong_MASK MASK
+#endif
+
+STATIC_ASSERT(MPW_BITS >= PyLong_SHIFT,
+ "Catacomb's limbs are now narrower than than Python's!");
+
mp *mp_frompylong(PyObject *obj)
{
unsigned long bits;
mp *x;
mpw *p;
- sz = l->ob_size;
+#ifdef PY3
+ int ov;
+ long j = PyLong_AsLongAndOverflow(obj, &ov);
+ if (!ov) return mp_fromlong(MP_NEW, j);
+#endif
+
+ sz = Py_SIZE(l);
if (sz < 0) sz = -sz;
- assert(MPW_BITS >= SHIFT);
- bits = (unsigned long)sz * SHIFT;
+ bits = (unsigned long)sz * PyLong_SHIFT;
w = (bits + MPW_BITS - 1)/MPW_BITS;
- x = mp_new(w, l->ob_size < 0 ? MP_NEG : 0);
+ x = mp_new(w, Py_SIZE(l) < 0 ? MP_NEG : 0);
p = x->v;
for (i = 0; i < sz; i++) {
r |= (mpd)l->ob_digit[i] << b;
- b += SHIFT;
+ b += PyLong_SHIFT;
while (b >= MPW_BITS) {
*p++ = MPW(r);
r >>= MPW_BITS;
PyObject *mp_topylong(mp *x)
{
unsigned long bits = mp_bits(x);
- int sz = (bits + SHIFT - 1)/SHIFT;
+ int sz = (bits + PyLong_SHIFT - 1)/PyLong_SHIFT;
PyLongObject *l = _PyLong_New(sz);
mpd r = 0;
int b = 0;
mpw *p = x->v;
int i = 0;
- assert(MPW_BITS >= SHIFT);
while (i < sz && p < x->vl) {
r |= (mpd)*p++ << b;
b += MPW_BITS;
- while (i < sz && b >= SHIFT) {
- l->ob_digit[i++] = r & MASK;
- r >>= SHIFT;
- b -= SHIFT;
+ while (i < sz && b >= PyLong_SHIFT) {
+ l->ob_digit[i++] = r & PyLong_MASK;
+ r >>= PyLong_SHIFT;
+ b -= PyLong_SHIFT;
}
}
while (i < sz && r) {
- l->ob_digit[i++] = r & MASK;
- r >>= SHIFT;
+ l->ob_digit[i++] = r & PyLong_MASK;
+ r >>= PyLong_SHIFT;
}
- l->ob_size = (x->f & MP_NEG) ? -sz : sz;
+ Py_SIZE(l) = (x->f & MP_NEG) ? -sz : sz;
return ((PyObject *)l);
}
{
mp *x;
- if (PyString_Check(o)) {
+ if (TEXT_CHECK(o)) {
mptext_stringctx sc;
mp *x;
- sc.buf = PyString_AS_STRING(o);
- sc.lim = sc.buf + PyString_GET_SIZE(o);
+ size_t sz;
+ TEXT_PTRLEN(o, sc.buf, sz); sc.lim = sc.buf + sz;
+ if (sc.buf + 2 < sc.lim && sc.buf[0] == '0' &&
+ (radix == 16 ? (sc.buf[1] == 'x' || sc.buf[1] == 'X') :
+ radix == 8 ? (sc.buf[1] == 'o' || sc.buf[1] == 'O') :
+ radix == 2 ? (sc.buf[1] == 'b' || sc.buf[1] == 'B') :
+ 0))
+ sc.buf += 2;
x = mp_read(MP_NEW, radix, &mptext_stringops, &sc);
if (!x) return (0);
if (sc.buf < sc.lim) { MP_DROP(x); return (0); }
size_t postlen = post ? strlen(post) : 0;
char *p;
MP_COPY(x);
- o = PyString_FromStringAndSize(0, len + 1 + xprelen + prelen + postlen);
- p = PyString_AS_STRING(o);
+ TEXT_PREPAREWRITE(o, p, len + 1 + xprelen + prelen + postlen);
sc.buf = p;
if (xpre) { memcpy(sc.buf, xpre, xprelen); sc.buf += xprelen; }
if (MP_NEGP(x)) { *sc.buf++ = '-'; x = mp_neg(x, x); }
mp_write(x, radix, &mptext_stringops, &sc);
if (post) { memcpy(sc.buf, post, postlen); sc.buf += postlen; }
MP_DROP(x);
- _PyString_Resize(&o, sc.buf - p);
+ TEXT_DONEWRITE(o, sc.buf - p);
return (o);
}
return (rc);
}
-/*----- Python interface --------------------------------------------------*/
+/*----- Arbitrary-precision integers --------------------------------------*/
static void mp_pydealloc(PyObject *o)
{
}
static PyObject *mp_pyrepr(PyObject *o)
- { return mp_topystring(MP_X(o), 10, "MP(", 0, "L)"); }
+ { return mp_topystring(MP_X(o), 10, "MP(", 0, ")"); }
static PyObject *mp_pystr(PyObject *o)
{ return mp_topystring(MP_X(o), 10, 0, 0, 0); }
PyObject *l;
mp *x;
- if (!o)
+ if (!o || PyFloat_Check(o))
return (0);
else if (MP_PYCHECK(o) || GF_PYCHECK(o))
return (MP_COPY(MP_X(o)));
if ((x = G_TOINT(GE_G(o), MP_NEW, GE_X(o))) == 0)
return (0);
return (x);
- } else if (PyInt_Check(o))
+ }
+#ifdef PY2
+ else if (PyInt_Check(o))
return (mp_fromlong(MP_NEW, PyInt_AS_LONG(o)));
+#endif
else if ((l = PyNumber_Long(o)) != 0) {
x = mp_frompylong(l);
Py_DECREF(l);
if (!o) return (0);
if ((x = tomp(o)) == 0) {
PyErr_Format(PyExc_TypeError, "can't convert %.100s to mp",
- o->ob_type->tp_name);
+ Py_TYPE(o)->tp_name);
}
return (x);
}
if (!o) return (0);
if ((x = tomp(o)) == 0) {
PyErr_Format(PyExc_TypeError, "can't convert %.100s to gf",
- o->ob_type->tp_name);
+ Py_TYPE(o)->tp_name);
}
return (x);
}
return (1);
}
-static mp *implicitmp(PyObject *o)
+mp *implicitmp(PyObject *o)
{
- if (!o ||
- GF_PYCHECK(o) ||
- ECPT_PYCHECK(o) ||
- FE_PYCHECK(o) ||
- GE_PYCHECK(o))
- return (0);
- return (tomp(o));
+ PyObject *l;
+
+ if (!o || GF_PYCHECK(o) || FE_PYCHECK(o)) return (0);
+ else if (MP_PYCHECK(o)) return (MP_COPY(MP_X(o)));
+ else if (PFILT_PYCHECK(o)) return (MP_COPY(PFILT_F(o)->m));
+#ifdef PY2
+ else if (PyInt_Check(o)) return (mp_fromlong(MP_NEW, PyInt_AS_LONG(o)));
+#endif
+ else if ((l = PyNumber_Index(o)) != 0) {
+#ifdef PY2
+ if (PyInt_Check(o)) return (mp_fromlong(MP_NEW, PyInt_AS_LONG(o)));
+#endif
+ if (PyLong_Check(o)) return (mp_frompylong(o));
+ }
+ PyErr_Clear(); return (0);
}
-static mp *implicitgf(PyObject *o)
+mp *implicitgf(PyObject *o)
{
- if (!o ||
- MP_PYCHECK(o) ||
- ECPT_PYCHECK(o) ||
- FE_PYCHECK(o) ||
- GE_PYCHECK(o))
- return (0);
- return (tomp(o));
+ if (GF_PYCHECK(o)) return (MP_COPY(MP_X(o)));
+ return (0);
}
static int mpbinop(PyObject *x, PyObject *y, mp **xx, mp **yy)
return (0);
}
+#define FPBINOP(name, pyop) \
+ static PyObject *mp_py##name(PyObject *x, PyObject *y) { \
+ mp *xx, *yy, *zz; \
+ PyObject *l, *rc; \
+ if (PyFloat_Check(x)) { \
+ l = mp_topylong(MP_X(y)); rc = PyNumber_##pyop(x, l); \
+ Py_DECREF(l); return (rc); \
+ } else if (PyFloat_Check(y)) { \
+ l = mp_topylong(MP_X(x)); rc = PyNumber_##pyop(l, y); \
+ Py_DECREF(l); return (rc); \
+ } \
+ if (mpbinop(x, y, &xx, &yy)) RETURN_NOTIMPL; \
+ zz = mp_##name(MP_NEW, xx, yy); \
+ MP_DROP(xx); MP_DROP(yy); \
+ return (mp_pywrap(zz)); \
+ }
+FPBINOP(add, Add)
+FPBINOP(sub, Subtract)
+FPBINOP(mul, Multiply)
+
#define gf_and mp_and
#define gf_or mp_or
#define gf_xor mp_xor
MP_DROP(xx); MP_DROP(yy); \
return (pre##_pywrap(zz)); \
}
-BINOP(mp, add)
-BINOP(mp, sub)
-BINOP(mp, mul)
BINOP(mp, and2c)
BINOP(mp, or2c)
BINOP(mp, xor2c)
static PyObject *mp_pyid(PyObject *x) { RETURN_OBJ(x); }
#define gf_lsr mp_lsr
-#define SHIFTOP(pre, name, rname) \
+#define SHIFTOP(pre, PRE, name, rname) \
static PyObject *pre##_py##name(PyObject *x, PyObject *y) { \
- mp *xx, *yy; \
+ PyObject *yix = 0; \
PyObject *z = 0; \
long n; \
- if (pre##binop(x, y, &xx, &yy)) RETURN_NOTIMPL; \
- if (mp_tolong_checked(yy, &n, 1)) goto end; \
- if (n < 0) \
- z = pre##_pywrap(mp_##rname(MP_NEW, xx, -n)); \
- else \
- z = pre##_pywrap(mp_##name(MP_NEW, xx, n)); \
- end: \
- MP_DROP(xx); MP_DROP(yy); \
+ if (!PRE##_PYCHECK(x)) RETURN_NOTIMPL; \
+ if (GF_PYCHECK(y) || FE_PYCHECK(y)) RETURN_NOTIMPL; \
+ yix = PyNumber_Index(y); if (!yix) { PyErr_Clear(); RETURN_NOTIMPL; } \
+ n = PyInt_AsLong(yix); Py_DECREF(yix); \
+ if (n == -1 && PyErr_Occurred()) { PyErr_Clear(); RETURN_NOTIMPL; } \
+ if (n < 0) z = pre##_pywrap(mp_##rname(MP_NEW, MP_X(x), -n)); \
+ else z = pre##_pywrap(mp_##name(MP_NEW, MP_X(x), n)); \
return (z); \
}
-SHIFTOP(mp, lsl2c, lsr2c)
-SHIFTOP(mp, lsr2c, lsl2c)
-SHIFTOP(gf, lsl, lsr)
-SHIFTOP(gf, lsr, lsl)
+SHIFTOP(mp, MP, lsl2c, lsr2c)
+SHIFTOP(mp, MP, lsr2c, lsl2c)
+SHIFTOP(gf, GF, lsl, lsr)
+SHIFTOP(gf, GF, lsr, lsl)
#undef SHIFTOP
#define DIVOP(pre, name, qq, rr, gather) \
PyObject *rc = 0;
if ((xx = implicitmp(x)) == 0 || (yy = implicitmp(y)) == 0 ||
- (z && z != Py_None && (zz = tomp(z)) == 0)) {
+ (z && z != Py_None && (zz = implicitmp(z)) == 0)) {
mp_drop(xx); mp_drop(yy); mp_drop(zz);
RETURN_NOTIMPL;
}
#define BASEOP(name, radix, pre) \
static PyObject *mp_py##name(PyObject *x) \
{ return mp_topystring(MP_X(x), radix, 0, pre, 0); }
+#ifdef PY2
BASEOP(oct, 8, "0");
+#endif
BASEOP(hex, 16, "0x");
#undef BASEOP
if (!mp_tolong_checked(MP_X(x), &l, 0)) return (PyInt_FromLong(l));
else return mp_topylong(MP_X(x));
}
+#ifdef PY2
static PyObject *mp_pylong(PyObject *x)
{ return (mp_topylong(MP_X(x))); }
+#endif
static PyObject *mp_pyfloat(PyObject *x)
{
PyObject *l = mp_topylong(MP_X(x));
return (PyFloat_FromDouble(f));
}
+#ifdef PY2
#define COERCE(pre, PRE) \
static int pre##_pycoerce(PyObject **x, PyObject **y) \
{ \
Py_INCREF(*x); Py_INCREF(*y); \
return (0); \
} \
- if ((z = tomp(*y)) != 0) { \
+ if ((z = implicit##pre(*y)) != 0) { \
Py_INCREF(*x); \
*y = pre##_pywrap(z); \
return (0); \
COERCE(mp, MP)
COERCE(gf, GF)
#undef COERCE
+#endif
+
+static PyObject *mp_pyrichcompare(PyObject *x, PyObject *y, int op)
+{
+ mp *xx, *yy;
+ PyObject *l, *rc;
+ if (PyFloat_Check(y)) {
+ l = mp_topylong(MP_X(x)); rc = PyObject_RichCompare(l, y, op);
+ Py_DECREF(l); return (rc);
+ }
+ if (mpbinop(x, y, &xx, &yy)) RETURN_NOTIMPL;
+ rc = enrich_compare(op, mp_cmp(xx, yy));
+ MP_DROP(xx); MP_DROP(yy);
+ return (rc);
+}
+#ifdef PY2
static int mp_pycompare(PyObject *x, PyObject *y)
{ return mp_cmp(MP_X(x), MP_X(y)); }
+#endif
static PyObject *mp_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
{
if (!good_radix_p(radix, 1)) VALERR("bad radix");
if ((z = mp_frompyobject(x, radix)) == 0) {
PyErr_Format(PyExc_TypeError, "can't convert %.100s to mp",
- x->ob_type->tp_name);
+ Py_TYPE(x)->tp_name);
goto end;
}
zz = (mp_pyobj *)ty->tp_alloc(ty, 0);
return ((PyObject *)zz);
}
-long mphash(mp *x)
+#define IMPLICIT(pre) \
+ static PyObject *pre##meth__implicit(PyObject *me, PyObject *arg) \
+ { \
+ PyObject *x, *rc = 0; \
+ mp *y = MP_NEW; \
+ if (!PyArg_ParseTuple(arg, "O:_implicit", &x)) goto end; \
+ y = implicit##pre(x); \
+ if (!y) TYERR("can't convert implicitly to " #pre); \
+ rc = pre##_pywrap(y); \
+ end: \
+ return (rc); \
+ }
+IMPLICIT(mp)
+IMPLICIT(gf)
+#undef IMPLICIT
+
+Py_hash_t mphash(mp *x)
{
PyObject *l = mp_topylong(x);
- long h = PyObject_Hash(l);
+ Py_hash_t h = PyObject_Hash(l);
Py_DECREF(l); return (h);
}
-static long mp_pyhash(PyObject *me) { return (mphash(MP_X(me))); }
+static Py_hash_t mp_pyhash(PyObject *me) { return (mphash(MP_X(me))); }
static PyObject *mpmeth_jacobi(PyObject *me, PyObject *arg)
{
return (getbool(mp_testbit(MP_X(me), i)));
}
-static PyObject *mpmeth_odd(PyObject *me, PyObject *arg)
+static PyObject *mpmeth_odd(PyObject *me)
{
mp *t;
size_t s;
- if (!PyArg_ParseTuple(arg, ":odd")) return (0);
t = mp_odd(MP_NEW, MP_X(me), &s);
return (Py_BuildValue("(lN)", (long)s, mp_pywrap(t)));
}
-static PyObject *mpmeth_sqr(PyObject *me, PyObject *arg)
-{
- if (!PyArg_ParseTuple(arg, ":sqr")) return (0);
- return (mp_pywrap(mp_sqr(MP_NEW, MP_X(me))));
-}
+static PyObject *mpmeth_sqr(PyObject *me)
+ { return (mp_pywrap(mp_sqr(MP_NEW, MP_X(me)))); }
-static PyObject *mpmeth_sqrt(PyObject *me, PyObject *arg)
+static PyObject *mpmeth_sqrt(PyObject *me)
{
- if (!PyArg_ParseTuple(arg, ":sqrt")) return (0);
if (MP_NEGP(MP_X(me))) VALERR("negative root");
return (mp_pywrap(mp_sqrt(MP_NEW, MP_X(me))));
end:
PyObject *arg, PyObject *kw) \
{ \
long len = -1; \
- static const char *const kwlist[] = { "len", 0 }; \
+ static const char *const kwlist[] = { "len", 0 }; \
PyObject *rc = 0; \
\
if (!PyArg_ParseTupleAndKeywords(arg, kw, "|l:" #name, \
if (!len) len = 1; \
} \
rc = bytestring_pywrap(0, len); \
- mp_##name(MP_X(me), PyString_AS_STRING(rc), len); \
+ mp_##name(MP_X(me), BIN_PTR(rc), len); \
end: \
return (rc); \
}
static PyObject *ty##meth_frombuf(PyObject *me, PyObject *arg) \
{ \
buf b; \
- char *p; \
- Py_ssize_t sz; \
+ struct bin in; \
PyObject *rc = 0; \
mp *x; \
\
- if (!PyArg_ParseTuple(arg, "s#:frombuf", &p, &sz)) goto end; \
- buf_init(&b, p, sz); \
+ if (!PyArg_ParseTuple(arg, "O&:frombuf", convbin, &in)) goto end; \
+ buf_init(&b, (/*unconst*/ void *)in.p, in.sz); \
if ((x = buf_getmp(&b)) == 0) VALERR("malformed data"); \
rc = Py_BuildValue("(NN)", ty##_pywrap(x), \
bytestring_pywrapbuf(&b)); \
BUFOP(gf)
#undef BUFOP
-static PyObject *mpmeth_tobuf(PyObject *me, PyObject *arg)
+static PyObject *mpmeth_tobuf(PyObject *me)
{
buf b;
PyObject *rc;
mp *x;
size_t n;
- if (!PyArg_ParseTuple(arg, ":tobuf")) return (0);
x = MP_X(me);
n = mp_octets(x) + 3;
rc = bytestring_pywrap(0, n);
- buf_init(&b, PyString_AS_STRING(rc), n);
+ buf_init(&b, BIN_PTR(rc), n);
buf_putmp(&b, x);
assert(BOK(&b));
- _PyString_Resize(&rc, BLEN(&b));
+ BIN_SETLEN(rc, BLEN(&b));
return (rc);
}
#define LOADOP(pre, name) \
static PyObject *pre##meth_##name(PyObject *me, PyObject *arg) \
{ \
- char *p; \
- Py_ssize_t len; \
- if (!PyArg_ParseTuple(arg, "s#:" #name, &p, &len)) return (0); \
- return (pre##_pywrap(mp_##name(MP_NEW, p, len))); \
+ struct bin in; \
+ if (!PyArg_ParseTuple(arg, "O&:" #name, convbin, &in)) return (0); \
+ return (pre##_pywrap(mp_##name(MP_NEW, in.p, in.sz))); \
}
LOADOP(mp, loadl)
LOADOP(mp, loadb)
METH (setbit, "X.setbit(N) -> X with bit N set")
METH (clearbit, "X.clearbit(N) -> X with bit N clear")
METH (testbit, "X.testbit(N) -> true/false if bit N set/clear in X")
- METH (odd, "X.odd() -> S, T where X = 2^S T with T odd")
- METH (sqr, "X.sqr() -> X^2")
- METH (sqrt, "X.sqrt() -> largest integer <= sqrt(X)")
+ NAMETH(odd, "X.odd() -> S, T where X = 2^S T with T odd")
+ NAMETH(sqr, "X.sqr() -> X^2")
+ NAMETH(sqrt, "X.sqrt() -> largest integer <= sqrt(X)")
METH (gcd, "X.gcd(Y) -> gcd(X, Y)")
METH (gcdx, "X.gcdx(Y) -> (gcd(X, Y), U, V) "
"with X U + Y V = gcd(X, Y)")
"little-endian bytes, two's complement")
KWMETH(storeb2c, "X.storeb2c([len = -1]) -> "
"big-endian bytes, two's complement")
- METH (tobuf, "X.tobuf() -> buffer format")
+ NAMETH(tobuf, "X.tobuf() -> buffer format")
KWSMTH(fromstring, "fromstring(STR, [radix = 0]) -> (X, REST)\n"
" Parse STR as a large integer, according to RADIX. If RADIX is\n"
" zero, read a prefix from STR to decide radix: allow `0b' for binary,\n"
" `0' or `0o' for octal, `0x' for hex, or `R_' for other radix R.")
+ SMTH (_implicit, 0)
SMTH (factorial, "factorial(I) -> I!: compute factorial")
SMTH (fibonacci, "fibonacci(I) -> F(I): compute Fibonacci number")
SMTH (loadl, "loadl(STR) -> X: read little-endian bytes")
mp_pyadd, /* @nb_add@ */
mp_pysub, /* @nb_subtract@ */
mp_pymul, /* @nb_multiply@ */
+#ifdef PY2
0, /* @nb_divide@ */
+#endif
mp_pymod, /* @nb_remainder@ */
mp_pydivmod, /* @nb_divmod@ */
mp_pyexp, /* @nb_power@ */
mp_pyand2c, /* @nb_and@ */
mp_pyxor2c, /* @nb_xor@ */
mp_pyor2c, /* @nb_or@ */
+#ifdef PY2
mp_pycoerce, /* @nb_coerce@ */
+#endif
mp_pyint, /* @nb_int@ */
- mp_pylong, /* @nb_long@ */
+ PY23(mp_pylong, 0), /* @nb_long@ */
mp_pyfloat, /* @nb_float@ */
+#ifdef PY2
mp_pyoct, /* @nb_oct@ */
mp_pyhex, /* @nb_hex@ */
+#endif
0, /* @nb_inplace_add@ */
0, /* @nb_inplace_subtract@ */
0, /* @nb_inplace_multiply@ */
+#ifdef PY2
0, /* @nb_inplace_divide@ */
+#endif
0, /* @nb_inplace_remainder@ */
0, /* @nb_inplace_power@ */
0, /* @nb_inplace_lshift@ */
0, /* @nb_true_divide@ */
0, /* @nb_inplace_floor_divide@ */
0, /* @nb_inplace_true_divide@ */
+
+ mp_pyint, /* @nb_index@ */
};
-static PyTypeObject mp_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject mp_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"MP", /* @tp_name@ */
sizeof(mp_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
0, /* @tp_print@ */
0, /* @tp_getattr@ */
0, /* @tp_setattr@ */
- mp_pycompare, /* @tp_compare@ */
+ PY23(mp_pycompare, 0), /* @tp_compare@/@tp_as_async@ */
mp_pyrepr, /* @tp_repr@ */
PYNUMBER(mp), /* @tp_as_number@ */
0, /* @tp_as_sequence@ */
"Multiprecision integers, similar to `long' but more efficient and\n"
"versatile. Support all the standard arithmetic operations, with\n"
"implicit conversions from `PrimeFilter', and other objects which\n"
- "convert to `long'.\n"
+ "convert to `" PY23("long", "int") "'.\n"
"\n"
"Constructor MP(X, [radix = R]) attempts to convert X to an `MP'. If\n"
"X is a string, it's read in radix-R form, or we look for a prefix\n"
"if R = 0. Other acceptable things are field elements, elliptic curve\n"
+ PY23(
"points, group elements, Python `int' and `long' objects, and anything\n"
- "with an integer conversion.\n"
+ "with an integer conversion.\n",
+ "points, group elements, Python `int' objects, and anything with an\n"
+ "integer conversion.\n")
"\n"
"Notes:\n"
"\n"
0, /* @tp_traverse@ */
0, /* @tp_clear@ */
- 0, /* @tp_richcompare@ */
+ mp_pyrichcompare, /* @tp_richcompare@ */
0, /* @tp_weaklistoffset@ */
0, /* @tp_iter@ */
0, /* @tp_iternext@ */
/*----- Products of small integers ----------------------------------------*/
+static PyTypeObject *mpmul_pytype;
+
typedef struct mpmul_pyobj {
PyObject_HEAD
int livep;
return (0);
}
-static PyObject *mmmeth_done(PyObject *me, PyObject *arg)
+static PyObject *mmmeth_done(PyObject *me)
{
mp *x;
- if (!PyArg_ParseTuple(arg, ":done")) goto end;
if (!MPMUL_LIVEP(me)) VALERR("MPMul object invalid");
x = mpmul_done(MPMUL_PY(me));
MPMUL_LIVEP(me) = 0;
static const PyMethodDef mpmul_pymethods[] = {
#define METHNAME(name) mmmeth_##name
METH (factor, "MM.factor(ITERABLE) or MM.factor(I, ...)")
- METH (done, "MM.done() -> PRODUCT")
+ NAMETH(done, "MM.done() -> PRODUCT")
#undef METHNAME
{ 0 }
};
-static PyTypeObject *mpmul_pytype, mpmul_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject mpmul_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"MPMul", /* @tp_name@ */
sizeof(mpmul_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
/*----- Montgomery reduction ----------------------------------------------*/
+static PyTypeObject *mpmont_pytype;
+
typedef struct mpmont_pyobj {
PyObject_HEAD
mpmont mm;
return (-1);
}
-static PyObject *mm_mexpr(PyObject *me, void *v, int n)
+static PyObject *mm_mexpr(PyObject *me, void *v, size_t n)
{ return mp_pywrap(mpmont_mexpr(MPMONT_PY(me), MP_NEW, v, n)); }
static void mp_mexp_drop(void *p)
return (-1);
}
-static PyObject *mm_mexp(PyObject *me, void *v, int n)
+static PyObject *mm_mexp(PyObject *me, void *v, size_t n)
{ return mp_pywrap(mpmont_mexp(MPMONT_PY(me), MP_NEW, v, n)); }
static PyObject *mmmeth_mexp(PyObject *me, PyObject *arg)
{ 0 }
};
-static PyTypeObject *mpmont_pytype, mpmont_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject mpmont_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"MPMont", /* @tp_name@ */
sizeof(mpmont_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
/*----- Barrett reduction -------------------------------------------------*/
+static PyTypeObject *mpbarrett_pytype;
+
typedef struct mpbarrett_pyobj {
PyObject_HEAD
mpbarrett mb;
return (rc);
}
-static PyObject *mb_mexp(PyObject *me, void *v, int n)
+static PyObject *mb_mexp(PyObject *me, void *v, size_t n)
{ return mp_pywrap(mpbarrett_mexp(MPBARRETT_PY(me), MP_NEW, v, n)); }
static PyObject *mbmeth_mexp(PyObject *me, PyObject *arg)
{ 0 }
};
-static PyTypeObject *mpbarrett_pytype, mpbarrett_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject mpbarrett_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"MPBarrett", /* @tp_name@ */
sizeof(mpbarrett_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
/*----- Nice prime reduction ----------------------------------------------*/
+static PyTypeObject *mpreduce_pytype;
+
typedef struct mpreduce_pyobj {
PyObject_HEAD
mpreduce mr;
{ 0 }
};
-static PyTypeObject *mpreduce_pytype, mpreduce_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject mpreduce_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"MPReduce", /* @tp_name@ */
sizeof(mpreduce_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
/*----- Chinese Remainder Theorem solution --------------------------------*/
+static PyTypeObject *mpcrt_pytype;
+
typedef struct mpcrt_pyobj {
PyObject_HEAD
mpcrt c;
static PyObject *mcmeth_solve(PyObject *me, PyObject *arg)
{
mpcrt *c = MPCRT_PY(me);
- PyObject *q = 0, *x, *z = 0;
+ PyObject *q = 0, *it, *x, *z = 0;
mp *xx;
mp **v = 0;
Py_ssize_t i = 0, n = c->k;
- Py_INCREF(me);
if (PyTuple_GET_SIZE(arg) == n)
q = arg;
else if (!PyArg_ParseTuple(arg, "O:solve", &q))
goto end;
- Py_INCREF(q);
- if (!PySequence_Check(q)) TYERR("want a sequence of residues");
- i = PySequence_Size(q); if (i < 0) goto end;
- if (i != n) VALERR("residue count mismatch");
- v = xmalloc(n * sizeof(*v));
- for (i = 0; i < n; i++) {
- if ((x = PySequence_GetItem(q, i)) == 0) goto end;
+ v = xmalloc(n*sizeof(*v));
+ it = PyObject_GetIter(q); if (!it) goto end;
+ while (i < n) {
+ x = PyIter_Next(it);
+ if (!x) {
+ if (PyErr_Occurred()) goto end;
+ VALERR("residue count mismatch");
+ }
xx = getmp(x); Py_DECREF(x); if (!xx) goto end;
- v[i] = xx;
+ v[i++] = xx; xx = 0;
}
+ x = PyIter_Next(it);
+ if (x) { Py_DECREF(x); VALERR("residue count mismatch"); }
+ else if (PyErr_Occurred()) goto end;
z = mp_pywrap(mpcrt_solve(c, MP_NEW, v));
end:
if (v) {
- n = i;
- for (i = 0; i < n; i++)
- MP_DROP(v[i]);
+ while (i--) MP_DROP(v[i]);
xfree(v);
}
- Py_DECREF(me);
- Py_XDECREF(q);
return (z);
}
mpcrt_mod *v = 0;
Py_ssize_t n, i = 0, j;
static const char *const kwlist[] = { "mv", 0 };
- PyObject *q = 0, *x;
+ PyObject *q, *it = 0, *x;
mp *xx = MP_NEW, *y = MP_NEW, *g = MP_NEW;
mpmul mm;
mpcrt_pyobj *c = 0;
q = arg;
else if (!PyArg_ParseTupleAndKeywords(arg, kw, "O:new", KWLIST, &q))
goto end;
- Py_INCREF(q);
- if (!PySequence_Check(q)) TYERR("want a sequence of moduli");
- n = PySequence_Size(q); if (n < 0) goto end;
- if (!n) VALERR("want at least one modulus");
- v = xmalloc(n * sizeof(*v));
- for (i = 0; i < n; i++) {
- if ((x = PySequence_GetItem(q, i)) == 0) goto end;
+
+ if (!PySequence_Check(q))
+ n = 16;
+ else {
+ n = PySequence_Size(arg);
+ if (n == (size_t)-1 && PyErr_Occurred()) goto end;
+ }
+
+ v = xmalloc(n*sizeof(*v));
+ it = PyObject_GetIter(q); if (!it) goto end;
+ for (;;) {
+ x = PyIter_Next(it); if (!x) break;
xx = getmp(x); Py_DECREF(x); if (!xx) goto end;
if (MP_CMP(xx, <=, MP_ZERO)) VALERR("moduli must be positive");
- v[i].m = xx; v[i].n = 0; v[i].ni = 0; v[i].nni = 0; xx = MP_NEW;
+ if (i >= n) { n *= 2; v = xrealloc(v, n*sizeof(*v), i*sizeof(*v)); }
+ v[i].m = xx; v[i].n = 0; v[i].ni = 0; v[i].nni = 0; i++; xx = MP_NEW;
}
+ if (PyErr_Occurred()) goto end;
+ Py_DECREF(it); it = 0;
+
mpmul_init(&mm);
for (j = 0; j < i; j++) mpmul_add(&mm, v[j].m);
xx = mpmul_done(&mm);
}
c = (mpcrt_pyobj *)ty->tp_alloc(ty, 0);
- mpcrt_create(&c->c, v, n, 0);
- Py_DECREF(q);
+ mpcrt_create(&c->c, v, i, 0);
mp_drop(xx); mp_drop(y); mp_drop(g);
return ((PyObject *)c);
end:
if (v) {
- n = i;
- for (i = 0; i < n; i++)
- MP_DROP(v[i].m);
+ while (i--) MP_DROP(v[i].m);
xfree(v);
}
- Py_XDECREF(q);
mp_drop(xx); mp_drop(y); mp_drop(g);
+ Py_XDECREF(it);
return (0);
}
{ 0 }
};
-static PyTypeObject *mpcrt_pytype, mpcrt_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject mpcrt_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"MPCRT", /* @tp_name@ */
sizeof(mpcrt_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
/*----- Binary polynomials ------------------------------------------------*/
static PyObject *gf_pyrepr(PyObject *o)
- { return mp_topystring(MP_X(o), 16, "GF(", "0x", "L)"); }
+ { return mp_topystring(MP_X(o), 16, "GF(", "0x", ")"); }
static PyObject *gf_pyrichcompare(PyObject *x, PyObject *y, int op)
{
if (!good_radix_p(radix, 1)) VALERR("radix out of range");
if ((z = mp_frompyobject(x, radix)) == 0) {
PyErr_Format(PyExc_TypeError, "can't convert %.100s to gf",
- x->ob_type->tp_name);
+ Py_TYPE(x)->tp_name);
goto end;
}
if (MP_NEGP(z)) {
mp *r = 0;
PyObject *rc = 0;
- if ((xx = tomp(x)) == 0 || (yy = tomp(y)) == 0 ||
- (z && z != Py_None && (zz = tomp(z)) == 0)) {
+ if ((xx = implicitgf(x)) == 0 || (yy = implicitmp(y)) == 0 ||
+ (z && z != Py_None && (zz = implicitgf(z)) == 0)) {
mp_drop(xx); mp_drop(yy); mp_drop(zz);
RETURN_NOTIMPL;
}
return (rc);
}
-static PyObject *gfmeth_sqr(PyObject *me, PyObject *arg)
-{
- if (!PyArg_ParseTuple(arg, ":sqr")) return (0);
- return (gf_pywrap(gf_sqr(MP_NEW, MP_X(me))));
-}
+static PyObject *gfmeth_sqr(PyObject *me)
+ { return (gf_pywrap(gf_sqr(MP_NEW, MP_X(me)))); }
static PyObject *gfmeth_gcd(PyObject *me, PyObject *arg)
{
return (z);
}
-static PyObject *gfmeth_irreduciblep(PyObject *me, PyObject *arg)
-{
- if (!PyArg_ParseTuple(arg, ":irreduciblep")) return (0);
- return getbool(gf_irreduciblep(MP_X(me)));
-}
+static PyObject *gfmeth_irreduciblep(PyObject *me)
+ { return getbool(gf_irreduciblep(MP_X(me))); }
static PyObject *gfget_degree(PyObject *me, void *hunoz)
{ return (PyInt_FromLong(mp_bits(MP_X(me)) - 1)); }
METH (setbit, "X.setbit(N) -> X with bit N set")
METH (clearbit, "X.clearbit(N) -> X with bit N clear")
METH (testbit, "X.testbit(N) -> true/false if bit N set/clear in X")
- METH (sqr, "X.sqr() -> X^2")
+ NAMETH(sqr, "X.sqr() -> X^2")
METH (gcd, "X.gcd(Y) -> gcd(X, Y)")
METH (gcdx, "X.gcdx(Y) -> (gcd(X, Y), U, V) with X U + Y V = gcd(X, Y)")
METH (modinv, "X.modinv(Y) -> multiplicative inverse of Y mod X")
- METH (irreduciblep, "X.irreduciblep() -> true/false")
+ NAMETH(irreduciblep, "X.irreduciblep() -> true/false")
KWSMTH(fromstring, "fromstring(STR, [radix = 0]) -> (X, REST)\n"
" Parse STR as a binary polynomial, according to RADIX. If RADIX is\n"
" zero, read a prefix from STR to decide radix: allow `0b' for binary,\n"
" `0' or `0o' for octal, `0x' for hex, or `R_' for other radix R.")
+ SMTH (_implicit, 0)
SMTH (loadl, "loadl(STR) -> X: read little-endian bytes")
SMTH (loadb, "loadb(STR) -> X: read big-endian bytes")
SMTH (frombuf, "frombuf(STR) -> (X, REST): read buffer format")
"little-endian bytes, two's complement")
KWMETH(storeb2c, "X.storeb2c([len = -1]) -> "
"big-endian bytes, two's complement")
- METH (tobuf, "X.tobuf() -> buffer format")
+ NAMETH(tobuf, "X.tobuf() -> buffer format")
#undef METHNAME
{ 0 }
};
gf_pyadd, /* @nb_add@ */
gf_pysub, /* @nb_subtract@ */
gf_pymul, /* @nb_multiply@ */
+#ifdef PY2
0, /* @nb_divide@ */
+#endif
gf_pymod, /* @nb_remainder@ */
gf_pydivmod, /* @nb_divmod@ */
gf_pyexp, /* @nb_power@ */
gf_pyand, /* @nb_and@ */
gf_pyxor, /* @nb_xor@ */
gf_pyor, /* @nb_or@ */
+#ifdef PY2
gf_pycoerce, /* @nb_coerce@ */
+#endif
mp_pyint, /* @nb_int@ */
- mp_pylong, /* @nb_long@ */
+ PY23(mp_pylong, 0), /* @nb_long@ */
0 /* doesn't make any sense */, /* @nb_float@ */
+#ifdef PY2
mp_pyoct, /* @nb_oct@ */
mp_pyhex, /* @nb_hex@ */
+#endif
0, /* @nb_inplace_add@ */
0, /* @nb_inplace_subtract@ */
0, /* @nb_inplace_multiply@ */
+#ifdef PY2
0, /* @nb_inplace_divide@ */
+#endif
0, /* @nb_inplace_remainder@ */
0, /* @nb_inplace_power@ */
0, /* @nb_inplace_lshift@ */
0, /* @nb_true_divide@ */
0, /* @nb_inplace_floor_divide@ */
0, /* @nb_inplace_true_divide@ */
+
+ mp_pyint, /* @nb_index@ */
};
-static PyTypeObject gf_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject gf_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"GF", /* @tp_name@ */
sizeof(mp_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
"Constructor GF(X, [radix = R]) attempts to convert X to a `GF'. If\n"
"X is a string, it's read in radix-R form, or we look for a prefix\n"
"if R = 0. Other acceptable things are field elements, elliptic curve\n"
+ PY23(
"points, group elements, Python `int' and `long' objects, and anything\n"
- "with an integer conversion.\n"
+ "with an integer conversion.\n",
+ "points, group elements, Python `int' objects, and anything with an\n"
+ "integer conversion.\n")
"\n"
"The name is hopelessly wrong from a technical point of view, but\n"
"but it's much easier to type than `p2' or `c2' or whatever.\n"
/*----- Sparse poly reduction ---------------------------------------------*/
+static PyTypeObject *gfreduce_pytype;
+
typedef struct gfreduce_pyobj {
PyObject_HEAD
gfreduce mr;
{ 0 }
};
-static PyTypeObject *gfreduce_pytype, gfreduce_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject gfreduce_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"GFReduce", /* @tp_name@ */
sizeof(gfreduce_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
/*----- Normal/poly transformation ----------------------------------------*/
+static PyTypeObject *gfn_pytype;
+
typedef struct gfn_pyobj {
PyObject_HEAD
mp *p;
gfn ntop, pton;
} gfn_pyobj;
-static PyTypeObject *gfn_pytype, gfn_pytype_skel;
-
#define GFN_P(o) (((gfn_pyobj *)(o))->p)
#define GFN_PTON(o) (&((gfn_pyobj *)(o))->pton)
#define GFN_NTOP(o) (&((gfn_pyobj *)(o))->ntop)
{ 0 }
};
-static PyTypeObject gfn_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject gfn_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"GFN", /* @tp_name@ */
sizeof(gfn_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
/*----- Glue --------------------------------------------------------------*/
+static const struct nameval consts[] = {
+ CONST(MPW_MAX),
+ { 0 }
+};
+
void mp_pyinit(void)
{
INITTYPE(mp, root);
INSERT("GF", gf_pytype);
INSERT("GFReduce", gfreduce_pytype);
INSERT("GFN", gfn_pytype);
+ setconstants(mod, consts);
}
/*----- That's all, folks -------------------------------------------------*/
~mdw / catacomb-python / blobdiff