diff options
-rw-r--r-- | python/mpw/test/Makefile.am | 3 | ||||
-rw-r--r-- | python/mpw/test/test_methods.py | 85 | ||||
-rw-r--r-- | python/pow.py | 65 | ||||
-rw-r--r-- | python/rpmdebug-py.c | 3 | ||||
-rw-r--r-- | python/rpmmpw-py.c | 450 | ||||
-rw-r--r-- | python/rpmmpw-py.h | 2 | ||||
-rw-r--r-- | python/rpmrng-py.c | 2 |
7 files changed, 314 insertions, 296 deletions
diff --git a/python/mpw/test/Makefile.am b/python/mpw/test/Makefile.am index e9c22d8c7..a6cbc75e8 100644 --- a/python/mpw/test/Makefile.am +++ b/python/mpw/test/Makefile.am @@ -5,6 +5,7 @@ AUTOMAKE_OPTIONS = 1.4 foreign PYVER= @WITH_PYTHON_VERSION@ pylibdir = $(shell python -c 'import sys; print sys.path[1]') +VALGRIND = # valgrind --verbose --leak-check=yes EXTRA_DIST = \ test_all.py test_methods.py \ @@ -13,4 +14,4 @@ EXTRA_DIST = \ all: check: - python test_all.py verbose + $(VALGRIND) python test_all.py verbose diff --git a/python/mpw/test/test_methods.py b/python/mpw/test/test_methods.py index 068019ded..9ec3f31bc 100644 --- a/python/mpw/test/test_methods.py +++ b/python/mpw/test/test_methods.py @@ -25,6 +25,9 @@ class BasicTestCase(unittest.TestCase): a = 0x0000000987654321L b = 0x0000000000000010L c = 0x0fedcba000000000L + lo = 2 + hi = 200 + t = 10 def setUp(self): rpm.mpw().Debug(0) @@ -48,23 +51,21 @@ class BasicTestCase(unittest.TestCase): wa = rpm.mpw(self.a) wb = rpm.mpw(self.b) wc = rpm.mpw(self.c) - za = mpz.mpz(self.a) - zb = mpz.mpz(self.b) - zc = mpz.mpz(self.c) + za = long(self.a) + zb = long(self.b) + zc = long(self.c) print "__int__:\t", int(wb), "\t", int(zb) assert int(wb) == int(zb) print "__long__:\t", long(wa), "\t", long(za) -# assert str(long(wb)) == str(long(zb)) + assert long(wb) == long(zb) print "__float__:\t", float(wa), "\t", float(za) assert float(wb) == float(zb) zs = hex(za) - zs = zs[4:len(zs)-1] print "__hex__:\t", hex(wa), "\t", zs assert hex(wa) == zs zs = oct(za) - zs = zs[4:len(zs)-1] print "__oct__:\t", oct(wa), "\t", zs assert oct(wa) == zs @@ -104,6 +105,78 @@ class BasicTestCase(unittest.TestCase): pass #---------------------------------------- + def test02_KnuthPoly(self): + self.t = 8 + tfmt = "%o" + if verbose: + print '\n', '-=' * 30 + print "Running %s.test02_KnuthPoly..." % \ + self.__class__.__name__ + print "\t(%d**m - 1) * (%d**n - 1), m,n in [%d,%d)" % (self.t,self.t,self.lo,self.hi) + tm1 = tfmt % (self.t - 1) + tm2 = tfmt % (self.t - 2) + for m in range(self.lo,self.hi): + for n in range(m+1,self.hi+1): + wt = rpm.mpw(self.t) + wa = (wt**m - 1) * (wt**n - 1) + ws = tfmt % long(wa) + zs = tm1 * (m - 1) + tm2 + tm1 * (n - m) + "0" * (m - 1) + "1" + if ws != zs: + print "(%d**%d - 1) * (%d**%d - 1)\t%s" % (self.t,m,self.t,n,ws) + assert ws == zs + + self.t = 10 + tfmt = "%d" + if verbose: + print "\t(%d**m - 1) * (%d**n - 1), m,n in [%d,%d)" % (self.t,self.t,self.lo,self.hi) + tm1 = tfmt % (self.t - 1) + tm2 = tfmt % (self.t - 2) + for m in range(self.lo,self.hi): + for n in range(m+1,self.hi+1): + wt = rpm.mpw(self.t) + wa = (wt**m - 1) * (wt**n - 1) + ws = tfmt % long(wa) + zs = tm1 * (m - 1) + tm2 + tm1 * (n - m) + "0" * (m - 1) + "1" + if ws != zs: + print "(%d**%d - 1) * (%d**%d - 1)\t%s" % (self.t,m,self.t,n,ws) + assert ws == zs + + self.t = 16 + tfmt = "%x" + if verbose: + print "\t(%d**m - 1) * (%d**n - 1), m,n in [%d,%d)" % (self.t,self.t,self.lo,self.hi) + tm1 = tfmt % (self.t - 1) + tm2 = tfmt % (self.t - 2) + for m in range(self.lo,self.hi): + for n in range(m+1,self.hi+1): + wt = rpm.mpw(self.t) + wa = (wt**m - 1) * (wt**n - 1) + ws = tfmt % long(wa) + zs = tm1 * (m - 1) + tm2 + tm1 * (n - m) + "0" * (m - 1) + "1" + if ws != zs: + print "(%d**%d - 1) * (%d**%d - 1)\t%s" % (self.t,m,self.t,n,ws) + assert ws == zs + pass + + #---------------------------------------- + def test03_IterativePowers(self): + if verbose: + print '\n', '-=' * 30 + print "Running %s.test03_IterativePowers..." % \ + self.__class__.__name__ + print "\t(m**n)/(m**(n-1)) == m for m,n in [%d,%d)" % (self.lo,self.hi) + for m in range(self.lo,self.hi): + wa = rpm.mpw(m) + wd = wa + for n in range(self.lo,self.hi): + wc = wa**n + we = wc/wd + if we != m: + print m, '^', n, '=', we + assert we == m + if wc != 0: + wd = wc + pass #---------------------------------------------------------------------- #---------------------------------------------------------------------- diff --git a/python/pow.py b/python/pow.py index 3016f294b..c641f2701 100644 --- a/python/pow.py +++ b/python/pow.py @@ -1,65 +1,8 @@ import rpm -i = 1 #rpm.mpw().Debug(-1); -#a = rpm.mpw("0000000987654321") -#b = rpm.mpw("0000000000000010") -#c = rpm.mpw("0fedcba000000000") - for i in range(100): - a = rpm.mpw(i) - for j in range(100): - b = rpm.mpw(j) - print i, '^', j, '=', rpm.mpw.__pow__(a, b) - -#rpm.mpw.__add__(a, b) -#rpm.mpw.__sub__(a, b) -#rpm.mpw.__mul__(a, b) -#rpm.mpw.__div__(a, b) -#rpm.mpw.__mod__(a, b) - -#rpm.mpw.__divmod__(a, b) -#rpm.mpw.__pow__(a, b) - -#rpm.mpw.__lshift__(a, b) -#rpm.mpw.__rshift__(a, b) - -#rpm.mpw.__and__(a, c) -#rpm.mpw.__xor__(a, a) -#rpm.mpw.__or__(a, c) - -#rpm.mpw.__neg__(a) -#rpm.mpw.__pos__(a) -#rpm.mpw.__abs__(a) -#rpm.mpw.__invert__(a) - -#rpm.mpw.__int__(b) -#rpm.mpw.__long__(b) -#rpm.mpw.__float__(a) -#rpm.mpw.__complex__(b) -#rpm.mpw.__oct__(a*b) -#rpm.mpw.__hex__(a*b) -#rpm.mpw.__coerce__(b, i) - -#d = rpm.mpw("987654321"); rpm.bc.__iadd__(d, b) -#d = rpm.mpw("987654321"); rpm.bc.__isub__(d, b) -#d = rpm.mpw("987654321"); rpm.bc.__imul__(d, b) -#d = rpm.mpw("987654321"); rpm.bc.__idiv__(d, b) -#d = rpm.mpw("987654321"); rpm.bc.__imod__(d, b) - -#d = rpm.mpw("987654321"); rpm.bc.__ilshift__(d, b) -#d = rpm.mpw("987654321"); rpm.bc.__irshift__(d, b) - -#d = rpm.mpw("987654321"); rpm.bc.__iand__(d, c) -#d = rpm.mpw("987654321"); rpm.bc.__ixor__(d, a) -#d = rpm.mpw("987654321"); rpm.bc.__ior__(d, c) - -#if a > i: -# print "a > i" - -#b = rpm.mpw("123456789") -#print "b: ", a -# -#c = a + b -#print "c: ", c - + a = rpm.mpw(i) + for j in range(100): + c = a**j + print i, '^', j, '=', c diff --git a/python/rpmdebug-py.c b/python/rpmdebug-py.c index b08148cee..8179671fa 100644 --- a/python/rpmdebug-py.c +++ b/python/rpmdebug-py.c @@ -31,6 +31,9 @@ static const char * lbl(void * s) if (o == NULL) return "null"; + if (o == Py_None) return "None"; + + if (o->ob_type == &PyType_Type) return o->ob_type->tp_name; if (o->ob_type == &PyBaseObject_Type) return "BaseObj"; diff --git a/python/rpmmpw-py.c b/python/rpmmpw-py.c index b89d03e67..91f7cd7d6 100644 --- a/python/rpmmpw-py.c +++ b/python/rpmmpw-py.c @@ -21,6 +21,8 @@ #define ABS(_x) ((_x) < 0 ? -(_x) : (_x)) +#define MPBITCNT(_s, _d) (MP_WORDS_TO_BITS(_s) - mpmszcnt((_s), (_d))) + #define BITS_TO_DIGITS(_b) (((_b) + SHIFT - 1)/SHIFT) #define DIGITS_TO_BITS(_d) ((_d) * SHIFT) @@ -357,15 +359,11 @@ static void myndivmod(mpw* result, size_t xsize, const mpw* xdata, size_t ysize, mpw msw = *ydata; size_t qsize = xsize-ysize; + *result = (mpge(ysize, xdata, ydata) ? 1 : 0); mpcopy(xsize, result+1, xdata); - - if (mpge(ysize, result+1, ydata)) - { + if (*result) (void) mpsub(ysize, result+1, ydata); - *(result++) = 1; - } - else - *(result++) = 0; + result++; while (qsize--) { @@ -377,11 +375,10 @@ static void myndivmod(mpw* result, size_t xsize, const mpw* xdata, size_t ysize, while (mplt(ysize+1, result, workspace)) { - mpsubx(ysize+1, workspace, ysize, ydata); + (void) mpsubx(ysize+1, workspace, ysize, ydata); q--; } - - mpsub(ysize+1, result, workspace); + (void) mpsub(ysize+1, result, workspace); *(result++) = q; } } @@ -459,21 +456,19 @@ fprintf(stderr, "*** mpw_format(%p,%d,%d):\t", z, base, addL), mpfprintln(stderr if (addL && initialiser_name != NULL) i = strlen(initialiser_name) + 2; /* e.g. 'mpw(' + ')' */ - sign = mpmsbset(zsize, zdata); - nt = mpbitcnt(zsize, zdata); + sign = z->ob_size; + nt = MPBITCNT(zsize, zdata); if (nt == 0) { base = 10; /* '0' in every base, right */ nt = 1; size = 1; data = alloca(size * sizeof(*data)); *data = 0; - } else if (sign) { + } else if (sign < 0) { *tcp++ = '-'; i += 1; /* space to hold '-' */ size = MP_ROUND_B2W(nt); - data = alloca(size * sizeof(*data)); - mpsetx(size, data, size, zdata + (zsize - size)); - mpneg(size, data); + data = zdata + (zsize - size); } else { size = MP_ROUND_B2W(nt); data = zdata + (zsize - size); @@ -768,15 +763,15 @@ fprintf(stderr, "\tpost2:\t"), mpfprintln(stderr, n->size, n->data); static void mpnpow_w(mpnumber* n, size_t xsize, const mpw* xdata, size_t psize, const mpw* pdata) { - size_t xbits = mpbitcnt(xsize, xdata); - size_t pbits = mpbitcnt(psize, pdata); + size_t xbits = MPBITCNT(xsize, xdata); + size_t pbits = MPBITCNT(psize, pdata); size_t nbits; mpw *slide; size_t nsize; size_t size; /* Special case: 0**P and X**(-P) */ - if (xbits == 0 || mpmsbset(psize, pdata)) { + if (xbits == 0 || (psize > 0 && mpmsbset(psize, pdata))) { mpnsetw(n, 0); return; } @@ -824,8 +819,12 @@ mpw_New(int ob_size) /*@*/ { size_t size = ABS(ob_size); - mpwObject * z = PyObject_NEW_VAR(mpwObject, &mpw_Type, size); + mpwObject * z; + /* XXX Make sure that 0 has allocated space. */ + if (size == 0) + size++; + z = PyObject_NEW_VAR(mpwObject, &mpw_Type, size); if (z == NULL) return NULL; @@ -838,6 +837,18 @@ mpw_New(int ob_size) } static mpwObject * +mpw_Copy(mpwObject *a) + /*@*/ +{ + mpwObject * z; + + z = mpw_FromMPW(MPW_SIZE(a), MPW_DATA(a), 1); + if (z != NULL) + z->ob_size = a->ob_size; + return z; +} + +static mpwObject * mpw_FromLong(long ival) /*@*/ { @@ -974,10 +985,19 @@ mpw_FromHEX(const char * hex) } mpwObject * -mpw_FromMPW(size_t size, mpw* data) +mpw_FromMPW(size_t size, mpw* data, int normalize) { - mpwObject * z = mpw_New(size); + mpwObject * z; + if (normalize) { + size_t norm = size - MP_ROUND_B2W(MPBITCNT(size, data)); + if (norm > 0 && norm < size) { + size -= norm; + data += norm; + } + } + + z = mpw_New(size); if (z == NULL) return NULL; @@ -1084,7 +1104,7 @@ mpw_str(mpwObject * a) /*@*/ { PyObject * so = mpw_format(a, 10, 0); -if (_mpw_debug && so != NULL) +if (so != NULL && _mpw_debug < -1) fprintf(stderr, "*** mpw_str(%p): \"%s\"\n", a, PyString_AS_STRING(so)); return so; } @@ -1228,7 +1248,7 @@ mpw_new(PyTypeObject *type, PyObject *args, PyObject *kwds) if (x != NULL) { if (mpw_Check(x)) { z = (mpwObject *)x; - z = mpw_FromMPW(MPW_SIZE(z), MPW_DATA(z)); + z = mpw_FromMPW(MPW_SIZE(z), MPW_DATA(z), 1); } else z = mpw_i2mpw(x); } else @@ -1242,48 +1262,6 @@ fprintf(stderr, "*** mpw_new(%p[%s],%p[%s],%p[%s])\t", type, lbl(type), args, lb } /** \ingroup py_c - * Compute 1 argument operations. - */ -static PyObject * -mpw_ops1(const char *fname, char op, mpwObject *x) - /*@*/ -{ - mpwObject * z = NULL; - size_t xsize; - mpw* xdata; - - if (x == NULL) - goto exit; - - xsize = MPW_SIZE(x); - xdata = MPW_DATA(x); - -if (_mpw_debug < 0) -prtmpw("a", x); - - switch (op) { - default: - goto exit; - /*@notreached@*/ break; - case '~': - z = mpw_FromMPW(xsize, xdata); - mpnot(MPW_SIZE(z), MPW_DATA(z)); - break; - case '-': - z = mpw_FromMPW(xsize, xdata); - mpneg(MPW_SIZE(z), MPW_DATA(z)); - break; - } - -if (_mpw_debug < 0) -fprintf(stderr, "*** mpw_%s %p[%d]\t", fname, MPW_DATA(z), MPW_SIZE(z)), mpfprintln(stderr, MPW_SIZE(z), MPW_DATA(z)); - -exit: - Py_XDECREF(x); - return (PyObject *)z; -} - -/** \ingroup py_c * Compute 2 argument operations. */ static PyObject * @@ -1295,8 +1273,11 @@ mpw_ops2(const char *fname, char op, mpwObject *x, mpwObject *m) mpw* xdata; size_t msize; mpw* mdata; - mpbarrett b; + size_t mnorm; + size_t zsize; + mpw* zdata; mpw* wksp; + mpbarrett b; int carry; mpbzero(&b); @@ -1307,6 +1288,7 @@ mpw_ops2(const char *fname, char op, mpwObject *x, mpwObject *m) xdata = MPW_DATA(x); msize = MPW_SIZE(m); mdata = MPW_DATA(m); + mnorm = mpsize(msize, mdata); if (_mpw_debug < 0) { prtmpw("a", x); @@ -1318,133 +1300,125 @@ prtmpw("b", m); goto exit; /*@notreached@*/ break; case '+': - z = mpw_FromMPW(xsize, xdata); + z = mpw_FromMPW(xsize, xdata, 0); carry = mpaddx(MPW_SIZE(z), MPW_DATA(z), msize, mdata); break; case '-': - z = mpw_FromMPW(xsize, xdata); + z = mpw_FromMPW(xsize, xdata, 0); carry = mpsubx(MPW_SIZE(z), MPW_DATA(z), msize, mdata); break; case '*': - { size_t zsize = xsize + msize; - mpw* zdata = alloca(zsize * sizeof(*zdata)); - size_t znorm; + zsize = xsize + msize; + zdata = alloca(zsize * sizeof(*zdata)); mpmul(zdata, xsize, xdata, msize, mdata); - znorm = zsize - MP_ROUND_B2W(mpbitcnt(zsize, zdata)); - zsize -= znorm; - zdata += znorm; - z = mpw_FromMPW(zsize, zdata); - } break; + z = mpw_FromMPW(zsize, zdata, 1); + break; case '/': - { size_t asize = xsize; - mpw* adata = xdata; - size_t anorm = asize - MP_ROUND_B2W(mpbitcnt(asize, adata)); - size_t bsize = msize; - mpw* bdata = mdata; - size_t bnorm = bsize - MP_ROUND_B2W(mpbitcnt(bsize, bdata)); - size_t zsize; - mpw* zdata; - size_t znorm; - - if (anorm < asize) { - asize -= anorm; - adata += anorm; + { size_t asize; + mpw* adata; + size_t bsize; + mpw* bdata; + size_t shift; + + asize = xsize+1; + adata = alloca(asize * sizeof(*adata)); + mpsetx(asize, adata, xsize, xdata); + if (mnorm < msize) { + msize -= mnorm; + mdata += mnorm; } + bsize = msize; + bdata = alloca(bsize * sizeof(*bdata)); + mpsetx(bsize, bdata, msize, mdata); + zsize = asize + 1; zdata = alloca(zsize * sizeof(*zdata)); - if (bnorm < bsize) { - bsize -= bnorm; - bdata += bnorm; - } wksp = alloca((bsize+1) * sizeof(*wksp)); - myndivmod(zdata, asize, adata, bsize, bdata, wksp); + shift = mpnorm(bsize, bdata); + mplshift(asize, adata, shift); + mpndivmod(zdata, asize, adata, bsize, bdata, wksp); zsize -= bsize; - znorm = mpsize(zsize, zdata); - znorm--; /* XXX hack to preserve positive integer. */ - if (znorm > 0 && znorm < zsize) { - zsize -= znorm; - zdata += znorm; - } - z = mpw_FromMPW(zsize, zdata); + z = mpw_FromMPW(zsize, zdata, 1); } break; case '%': { size_t bsize = msize; mpw* bdata = mdata; size_t bnorm = mpsize(bsize, bdata); - size_t zsize = xsize; - mpw* zdata = alloca(zsize * sizeof(*zdata)); if (bnorm < bsize) { bsize -= bnorm; bdata += bnorm; } + zsize = xsize; + zdata = alloca(zsize * sizeof(*zdata)); wksp = alloca((bsize+1) * sizeof(*wksp)); mpnmod(zdata, xsize, xdata, bsize, bdata, wksp); - z = mpw_FromMPW(zsize, zdata); + + z = mpw_FromMPW(zsize, zdata, 1); } break; case '<': - { size_t bnorm = msize - MP_ROUND_B2W(mpbitcnt(msize, mdata)); + { size_t bnorm = msize - MP_ROUND_B2W(MPBITCNT(msize, mdata)); size_t bsize = msize - bnorm; mpw* bdata = mdata + bnorm; size_t count = 0; if (bsize == 1) count = bdata[0]; - z = mpw_FromMPW(xsize, xdata); + z = mpw_FromMPW(xsize, xdata, 0); mplshift(MPW_SIZE(z), MPW_DATA(z), count); } break; case '>': - { size_t bnorm = msize - MP_ROUND_B2W(mpbitcnt(msize, mdata)); + { size_t bnorm = msize - MP_ROUND_B2W(MPBITCNT(msize, mdata)); size_t bsize = msize - bnorm; mpw* bdata = mdata + bnorm; size_t count = 0; if (bsize == 1) count = bdata[0]; - z = mpw_FromMPW(xsize, xdata); + z = mpw_FromMPW(xsize, xdata, 0); mprshift(MPW_SIZE(z), MPW_DATA(z), count); } break; case '&': if (xsize <= msize) { - z = mpw_FromMPW(xsize, xdata); + z = mpw_FromMPW(xsize, xdata, 0); mpand(MPW_SIZE(z), MPW_DATA(z), mdata + (msize - xsize)); } else { - z = mpw_FromMPW(msize, mdata); + z = mpw_FromMPW(msize, mdata, 0); mpand(MPW_SIZE(z), MPW_DATA(z), xdata + (xsize - msize)); } break; case '|': if (xsize <= msize) { - z = mpw_FromMPW(xsize, xdata); + z = mpw_FromMPW(xsize, xdata, 0); mpor(MPW_SIZE(z), MPW_DATA(z), mdata + (msize - xsize)); } else { - z = mpw_FromMPW(msize, mdata); + z = mpw_FromMPW(msize, mdata, 0); mpor(MPW_SIZE(z), MPW_DATA(z), xdata + (xsize - msize)); } break; case '^': if (xsize <= msize) { - z = mpw_FromMPW(xsize, xdata); + z = mpw_FromMPW(xsize, xdata, 0); mpxor(MPW_SIZE(z), MPW_DATA(z), mdata + (msize - xsize)); } else { - z = mpw_FromMPW(msize, mdata); + z = mpw_FromMPW(msize, mdata, 0); mpxor(MPW_SIZE(z), MPW_DATA(z), xdata + (xsize - msize)); } break; case 'P': - { size_t bnorm = msize - MP_ROUND_B2W(mpbitcnt(msize, mdata)); + { size_t bnorm = msize - MP_ROUND_B2W(MPBITCNT(msize, mdata)); size_t bsize = msize - bnorm; mpw* bdata = mdata + bnorm; mpnumber zn; mpnzero(&zn); mpnpow_w(&zn, xsize, xdata, bsize, bdata); - z = mpw_FromMPW(zn.size, zn.data); + z = mpw_FromMPW(zn.size, zn.data, 1); mpnfree(&zn); } break; case 'G': @@ -1550,7 +1524,7 @@ prtmpw("c", m); break; } - z = mpw_FromMPW(zsize, zdata); + z = mpw_FromMPW(zsize, zdata, 1); if (_mpw_debug < 0) fprintf(stderr, "*** mpw_%s %p[%d]\t", fname, MPW_DATA(z), MPW_SIZE(z)), mpfprintln(stderr, MPW_SIZE(z), MPW_DATA(z)); @@ -1573,10 +1547,6 @@ mpw_Debug(/*@unused@*/ mpwObject * s, PyObject * args) /*@modifies _Py_NoneStruct @*/ { if (!PyArg_ParseTuple(args, "i:Debug", &_mpw_debug)) return NULL; - -if (_mpw_debug < 0) -fprintf(stderr, "*** mpw_Debug(%p)\n", s); - Py_INCREF(Py_None); return Py_None; } @@ -1733,70 +1703,89 @@ static int mpw_setattro(PyObject * o, PyObject * n, PyObject * v) /* ---------- */ static PyObject * -mpw_add(mpwObject * a, mpwObject * b) +mpw_add(PyObject * a, PyObject * b) /*@*/ { - Py_INCREF(a); Py_INCREF(b); - return mpw_ops2("add", '+', a, b); + return mpw_ops2("add", '+', mpw_i2mpw(a), mpw_i2mpw(b)); } static PyObject * -mpw_subtract(mpwObject * a, mpwObject * b) +mpw_sub(PyObject * a, PyObject * b) /*@*/ { - Py_INCREF(a); Py_INCREF(b); - return mpw_ops2("sub", '-', a, b); + return mpw_ops2("sub", '-', mpw_i2mpw(a), mpw_i2mpw(b)); } static PyObject * -mpw_multiply(mpwObject * a, mpwObject * b) +mpw_mul(PyObject * a, PyObject * b) /*@*/ { - Py_INCREF(a); Py_INCREF(b); - return mpw_ops2("mul", '*', a, b); + return mpw_ops2("mul", '*', mpw_i2mpw(a), mpw_i2mpw(b)); } static PyObject * -mpw_divide(mpwObject * a, mpwObject * b) +mpw_div(PyObject * a, PyObject * w) /*@*/ { + mpwObject * b = mpw_i2mpw(w); + if (mpz(MPW_SIZE(b), MPW_DATA(b))) { + Py_DECREF(b); PyErr_SetString(PyExc_ZeroDivisionError, "mpw_divide by zero"); return NULL; } - Py_INCREF(a); Py_INCREF(b); - return mpw_ops2("div", '/', a, b); + return mpw_ops2("div", '/', mpw_i2mpw(a), b); +} + +static PyObject * +mpw_classic_div(PyObject * a, PyObject * b) + /*@*/ +{ + if (Py_DivisionWarningFlag && + PyErr_Warn(PyExc_DeprecationWarning, "classic long division") < 0) + return NULL; + return mpw_div(a, b); } static PyObject * -mpw_remainder(mpwObject * a, mpwObject * b) +mpw_remainder(PyObject * a, PyObject * b) /*@*/ { - Py_INCREF(a); Py_INCREF(b); - return mpw_ops2("rem", '%', a, b); + return mpw_ops2("rem", '%', mpw_i2mpw(a), mpw_i2mpw(b)); } static PyObject * -mpw_divmod(mpwObject * a, mpwObject * b) +mpw_divmod(PyObject * v, PyObject * w) /*@*/ { PyObject * z = NULL; mpwObject * q = NULL; mpwObject * r = NULL; - size_t asize = MPW_SIZE(a); - mpw* adata = MPW_DATA(a); - size_t anorm = mpsize(asize, adata); - size_t bsize = MPW_SIZE(b); - mpw* bdata = MPW_DATA(b); - size_t bnorm = mpsize(bsize, bdata); + mpwObject * a = mpw_i2mpw(v); + size_t asize; + mpw* adata; + size_t anorm; + mpwObject * b = mpw_i2mpw(w); + size_t bsize; + mpw* bdata; + size_t bnorm; size_t zsize; mpw* zdata; - size_t znorm; mpw* wksp; + if (a == NULL || b == NULL) + goto exit; + + asize = MPW_SIZE(a); + adata = MPW_DATA(a); + anorm = mpsize(asize, adata); + bsize = MPW_SIZE(b); + bdata = MPW_DATA(b); + bnorm = mpsize(bsize, bdata); + if (mpz(bsize, bdata)) { PyErr_SetString(PyExc_ZeroDivisionError, "mpw_divmod by zero"); - return NULL; + goto exit; } if (anorm < asize) { @@ -1820,20 +1809,14 @@ fprintf(stderr, " z %p[%d]:\t", zdata, zsize), mpfprintln(stderr, zsize, zdat } zsize -= bsize; - r = mpw_FromMPW(bsize, zdata+zsize); + r = mpw_FromMPW(bsize, zdata+zsize, 1); if (r == NULL) - return NULL; + goto exit; - znorm = mpsize(zsize, zdata); - znorm--; /* XXX hack to preserve positive integer. */ - if (znorm > 0 && znorm < zsize) { - zsize -= znorm; - zdata += znorm; - } - q = mpw_FromMPW(zsize, zdata); + q = mpw_FromMPW(zsize, zdata, 1); if (q == NULL) { Py_DECREF(r); - return NULL; + goto exit; } if (_mpw_debug) { @@ -1844,70 +1827,81 @@ fprintf(stderr, "*** mpw_divmod(%p,%p)\n", a, b); if ((z = PyTuple_New(2)) == NULL) { Py_DECREF(q); Py_DECREF(r); - return NULL; + goto exit; } (void) PyTuple_SetItem(z, 0, (PyObject *)q); (void) PyTuple_SetItem(z, 1, (PyObject *)r); +exit: + Py_XDECREF(a); + Py_XDECREF(b); return (PyObject *)z; } static PyObject * -mpw_power(mpwObject * a, mpwObject * b, mpwObject * c) +mpw_pow(PyObject * a, PyObject * b, PyObject * c) /*@*/ { - Py_INCREF(a); Py_INCREF(b); -#ifdef NOTYET - if (c != NULL) { - Py_INCREF(c); - return mpw_ops3("Powm", 'P', a, b, c); - } else -#endif - return mpw_ops2("pow", 'P', a, b); + if (c != Py_None) + return mpw_ops3("Powm", 'P', mpw_i2mpw(a), mpw_i2mpw(b), mpw_i2mpw(c)); + else + return mpw_ops2("pow", 'P', mpw_i2mpw(a), mpw_i2mpw(b)); } static PyObject * -mpw_negative(mpwObject * a) +mpw_neg(mpwObject * a) /*@*/ { - Py_INCREF(a); - return mpw_ops1("neg", '-', a); + mpwObject *z; + + if (a->ob_size == 0 && mpw_CheckExact(a)) { + /* -0 == 0 */ + Py_INCREF(a); + z = a; + } else { + z = mpw_Copy(a); + if (z != NULL) + z->ob_size = -(a->ob_size); + } + +if (z != NULL && _mpw_debug) +fprintf(stderr, "*** mpw_neg %p[%d]\t", MPW_DATA(z), MPW_SIZE(z)), mpfprintln(stderr, MPW_SIZE(z), MPW_DATA(z)); + + return (PyObject *)z; } static PyObject * -mpw_positive(mpwObject * a) +mpw_pos(mpwObject * a) /*@*/ { - Py_INCREF(a); + mpwObject *z; -if (_mpw_debug) -fprintf(stderr, "*** mpw_positive(%p):\t", a), mpfprintln(stderr, MPW_SIZE(a), MPW_DATA(a)); + if (mpw_CheckExact(a)) { + Py_INCREF(a); + z = a; + } else + z = mpw_Copy(a); - return (PyObject *)a; +if (z != NULL && _mpw_debug) +fprintf(stderr, "*** mpw_pos %p[%d]\t", MPW_DATA(z), MPW_SIZE(z)), mpfprintln(stderr, MPW_SIZE(z), MPW_DATA(z)); + + return (PyObject *)z; } static PyObject * -mpw_absolute(mpwObject * a) +mpw_abs(mpwObject * a) /*@*/ { - size_t asize = MPW_SIZE(a); - mpw* adata = MPW_DATA(a); mpwObject * z; - if (mpmsbset(asize, adata) == 0) { - Py_INCREF(a); - return (PyObject *)a; - } - - z = mpw_FromMPW(asize, adata); - if (z == NULL) - return NULL; - - mpneg(MPW_SIZE(z), MPW_DATA(z)); + if (a->ob_size < 0) + z = (mpwObject *)mpw_neg(a); + else + z = (mpwObject *)mpw_pos(a); -if (_mpw_debug) -fprintf(stderr, "*** mpw_absolute(%p):\t", a), mpfprintln(stderr, MPW_SIZE(z), MPW_DATA(z)); +if (z != NULL && _mpw_debug) +fprintf(stderr, "*** mpw_abs %p[%d]\t", MPW_DATA(z), MPW_SIZE(z)), mpfprintln(stderr, MPW_SIZE(z), MPW_DATA(z)); return (PyObject *)z; } @@ -1916,57 +1910,59 @@ static int mpw_nonzero(mpwObject * a) /*@*/ { -if (_mpw_debug) -fprintf(stderr, "*** mpw_nonzero(%p)\n", a); - return mpnz(MPW_SIZE(a), MPW_DATA(a)); + return ABS(a->ob_size) != 0; } static PyObject * mpw_invert(mpwObject * a) /*@*/ { - Py_INCREF(a); - return mpw_ops1("not", '~', a); + /* Implement ~z as -(z+1) */ + mpwObject * z = mpw_Copy(a); + + if (z != NULL) { + mpw val = 1; + int carry; + + carry = mpaddx(MPW_SIZE(z), MPW_DATA(z), 1, &val); + z->ob_size = -(a->ob_size); + } + return (PyObject *)z; } static PyObject * -mpw_lshift(mpwObject * a, mpwObject * b) +mpw_lshift(PyObject * a, PyObject * b) /*@*/ { - Py_INCREF(a); Py_INCREF(b); - return mpw_ops2("lshift", '<', a, b); + return mpw_ops2("lshift", '<', mpw_i2mpw(a), mpw_i2mpw(b)); } static PyObject * -mpw_rshift(mpwObject * a, mpwObject * b) +mpw_rshift(PyObject * a, PyObject * b) /*@*/ { - Py_INCREF(a); Py_INCREF(b); - return mpw_ops2("rshift", '>', a, b); + return mpw_ops2("rshift", '>', mpw_i2mpw(a), mpw_i2mpw(b)); } static PyObject * -mpw_and(mpwObject * a, mpwObject * b) +mpw_and(PyObject * a, PyObject * b) /*@*/ { - Py_INCREF(a); Py_INCREF(b); - return mpw_ops2("and", '&', a, b); + return mpw_ops2("and", '&', mpw_i2mpw(a), mpw_i2mpw(b)); } static PyObject * -mpw_xor(mpwObject * a, mpwObject * b) +mpw_xor(PyObject * a, PyObject * b) /*@*/ { - Py_INCREF(a); Py_INCREF(b); - return mpw_ops2("xor", '^', a, b); + return mpw_ops2("xor", '^', mpw_i2mpw(a), mpw_i2mpw(b)); } static PyObject * -mpw_or(mpwObject * a, mpwObject * b) +mpw_or(PyObject * a, PyObject * b) /*@*/ { - Py_INCREF(a); Py_INCREF(b); - return mpw_ops2("or", '|', a, b); + return mpw_ops2("or", '|', mpw_i2mpw(a), mpw_i2mpw(b)); } static int @@ -2000,30 +1996,34 @@ static PyObject * mpw_int(mpwObject * a) /*@*/ { - size_t anorm = MPW_SIZE(a) - MP_ROUND_B2W(mpbitcnt(MPW_SIZE(a), MPW_DATA(a))); + size_t anorm = MPW_SIZE(a) - MP_ROUND_B2W(MPBITCNT(MPW_SIZE(a), MPW_DATA(a))); size_t asize = MPW_SIZE(a) - anorm; mpw* adata = MPW_DATA(a) + anorm; + long ival = 0; if (asize > 1) { PyErr_SetString(PyExc_ValueError, "mpw_int: arg too long to convert"); return NULL; } + if (asize == 1) + ival = adata[0]; + if (a->ob_size < 0) + ival = -ival; if (_mpw_debug) -fprintf(stderr, "*** mpw_int(%p):\t%08x\n", a, (int)(asize ? adata[0] : 0)); +fprintf(stderr, "*** mpw_int(%p):\t%08x\n", a, (int)ival); - return Py_BuildValue("i", (asize ? adata[0] : 0)); + return Py_BuildValue("i", ival); } static PyObject * mpw_long(mpwObject * a) /*@*/ { - size_t abits = mpbitcnt(MPW_SIZE(a), MPW_DATA(a)); + size_t abits = MPBITCNT(MPW_SIZE(a), MPW_DATA(a)); size_t anorm = MPW_SIZE(a) - MP_ROUND_B2W(abits); size_t asize = MPW_SIZE(a) - anorm; mpw* adata = MPW_DATA(a) + anorm; - size_t asign = mpmsbset(asize, adata); size_t zsize = asize; mpw* zdata = alloca(zsize * sizeof(*zdata)); int lsize = BITS_TO_DIGITS(abits); @@ -2034,8 +2034,6 @@ mpw_long(mpwObject * a) return NULL; mpcopy(asize, zdata, adata); - if (asign) - mpneg(zsize, zdata); for (digx = 0; digx < lsize; digx++) { lo->ob_digit[digx] = zdata[zsize - 1] & MASK; @@ -2044,7 +2042,7 @@ mpw_long(mpwObject * a) while (digx > 0 && lo->ob_digit[digx-1] == 0) digx--; - lo->ob_size = (asign == 0 ? digx : -digx); + lo->ob_size = (a->ob_size >= 0 ? digx : -digx); return (PyObject *)lo; } @@ -2092,15 +2090,15 @@ fprintf(stderr, "*** mpw_hex(%p): \"%s\"\n", a, PyString_AS_STRING(so)); static PyNumberMethods mpw_as_number = { (binaryfunc) mpw_add, /* nb_add */ - (binaryfunc) mpw_subtract, /* nb_subtract */ - (binaryfunc) mpw_multiply, /* nb_multiply */ - (binaryfunc) mpw_divide, /* nb_divide */ + (binaryfunc) mpw_sub, /* nb_subtract */ + (binaryfunc) mpw_mul, /* nb_multiply */ + (binaryfunc) mpw_classic_div, /* nb_divide */ (binaryfunc) mpw_remainder, /* nb_remainder */ (binaryfunc) mpw_divmod, /* nb_divmod */ - (ternaryfunc) mpw_power, /* nb_power */ - (unaryfunc) mpw_negative, /* nb_negative */ - (unaryfunc) mpw_positive, /* nb_positive */ - (unaryfunc) mpw_absolute, /* nb_absolute */ + (ternaryfunc) mpw_pow, /* nb_power */ + (unaryfunc) mpw_neg, /* nb_negative */ + (unaryfunc) mpw_pos, /* nb_positive */ + (unaryfunc) mpw_abs, /* nb_absolute */ (inquiry) mpw_nonzero, /* nb_nonzero */ (unaryfunc) mpw_invert, /* nb_invert */ (binaryfunc) mpw_lshift, /* nb_lshift */ @@ -2122,7 +2120,7 @@ static PyNumberMethods mpw_as_number = { (binaryfunc) 0, /* nb_inplace_multiply */ (binaryfunc) 0, /* nb_inplace_divide */ (binaryfunc) 0, /* nb_inplace_remainder */ - (ternaryfunc) 0 , /* nb_inplace_power */ + (ternaryfunc)0, /* nb_inplace_power */ (binaryfunc) 0, /* nb_inplace_lshift */ (binaryfunc) 0, /* nb_inplace_rshift */ (binaryfunc) 0, /* nb_inplace_and */ @@ -2131,7 +2129,7 @@ static PyNumberMethods mpw_as_number = { /* Added in release 2.2 */ /* The following require the Py_TPFLAGS_HAVE_CLASS flag */ - (binaryfunc) 0, /* nb_floor_divide */ + (binaryfunc) mpw_div, /* nb_floor_divide */ (binaryfunc) 0, /* nb_true_divide */ (binaryfunc) 0, /* nb_inplace_floor_divide */ (binaryfunc) 0 /* nb_inplace_true_divide */ diff --git a/python/rpmmpw-py.h b/python/rpmmpw-py.h index 57216b72f..2b31043f8 100644 --- a/python/rpmmpw-py.h +++ b/python/rpmmpw-py.h @@ -35,7 +35,7 @@ mpwObject * mpw_New(int ob_size) /** */ -mpwObject * mpw_FromMPW(size_t size, mpw* data) +mpwObject * mpw_FromMPW(size_t size, mpw* data, int normalize) /*@*/; #endif diff --git a/python/rpmrng-py.c b/python/rpmrng-py.c index f5d177796..69561ea05 100644 --- a/python/rpmrng-py.c +++ b/python/rpmrng-py.c @@ -236,7 +236,7 @@ rng_Prime(rngObject * s, PyObject * args) mpprndsafe_w(b, rc, pbits, trials, temp); #endif - z = mpw_FromMPW(b->size, b->modl); + z = mpw_FromMPW(b->size, b->modl, 1); if (z != NULL && _rng_debug) fprintf(stderr, "*** rng_Prime(%p) %p[%d]\t", s, MPW_DATA(z), MPW_SIZE(z)), mpfprintln(stderr, MPW_SIZE(z), MPW_DATA(z)); |