python-2.5.2/win32/include/longobject.h
changeset 0 ae805ac0140d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/python-2.5.2/win32/include/longobject.h	Fri Apr 03 17:19:34 2009 +0100
@@ -0,0 +1,114 @@
+#ifndef Py_LONGOBJECT_H
+#define Py_LONGOBJECT_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* Long (arbitrary precision) integer object interface */
+
+typedef struct _longobject PyLongObject; /* Revealed in longintrepr.h */
+
+PyAPI_DATA(PyTypeObject) PyLong_Type;
+
+#define PyLong_Check(op) PyObject_TypeCheck(op, &PyLong_Type)
+#define PyLong_CheckExact(op) ((op)->ob_type == &PyLong_Type)
+
+PyAPI_FUNC(PyObject *) PyLong_FromLong(long);
+PyAPI_FUNC(PyObject *) PyLong_FromUnsignedLong(unsigned long);
+PyAPI_FUNC(PyObject *) PyLong_FromDouble(double);
+PyAPI_FUNC(long) PyLong_AsLong(PyObject *);
+PyAPI_FUNC(unsigned long) PyLong_AsUnsignedLong(PyObject *);
+PyAPI_FUNC(unsigned long) PyLong_AsUnsignedLongMask(PyObject *);
+
+/* For use by intobject.c only */
+PyAPI_FUNC(Py_ssize_t) _PyLong_AsSsize_t(PyObject *);
+PyAPI_FUNC(PyObject *) _PyLong_FromSize_t(size_t);
+PyAPI_FUNC(PyObject *) _PyLong_FromSsize_t(Py_ssize_t);
+PyAPI_DATA(int) _PyLong_DigitValue[256];
+
+/* _PyLong_AsScaledDouble returns a double x and an exponent e such that
+   the true value is approximately equal to x * 2**(SHIFT*e).  e is >= 0.
+   x is 0.0 if and only if the input is 0 (in which case, e and x are both
+   zeroes).  Overflow is impossible.  Note that the exponent returned must
+   be multiplied by SHIFT!  There may not be enough room in an int to store
+   e*SHIFT directly. */
+PyAPI_FUNC(double) _PyLong_AsScaledDouble(PyObject *vv, int *e);
+
+PyAPI_FUNC(double) PyLong_AsDouble(PyObject *);
+PyAPI_FUNC(PyObject *) PyLong_FromVoidPtr(void *);
+PyAPI_FUNC(void *) PyLong_AsVoidPtr(PyObject *);
+
+#ifdef HAVE_LONG_LONG
+PyAPI_FUNC(PyObject *) PyLong_FromLongLong(PY_LONG_LONG);
+PyAPI_FUNC(PyObject *) PyLong_FromUnsignedLongLong(unsigned PY_LONG_LONG);
+PyAPI_FUNC(PY_LONG_LONG) PyLong_AsLongLong(PyObject *);
+PyAPI_FUNC(unsigned PY_LONG_LONG) PyLong_AsUnsignedLongLong(PyObject *);
+PyAPI_FUNC(unsigned PY_LONG_LONG) PyLong_AsUnsignedLongLongMask(PyObject *);
+#endif /* HAVE_LONG_LONG */
+
+PyAPI_FUNC(PyObject *) PyLong_FromString(char *, char **, int);
+#ifdef Py_USING_UNICODE
+PyAPI_FUNC(PyObject *) PyLong_FromUnicode(Py_UNICODE*, Py_ssize_t, int);
+#endif
+
+/* _PyLong_Sign.  Return 0 if v is 0, -1 if v < 0, +1 if v > 0.
+   v must not be NULL, and must be a normalized long.
+   There are no error cases.
+*/
+PyAPI_FUNC(int) _PyLong_Sign(PyObject *v);
+
+
+/* _PyLong_NumBits.  Return the number of bits needed to represent the
+   absolute value of a long.  For example, this returns 1 for 1 and -1, 2
+   for 2 and -2, and 2 for 3 and -3.  It returns 0 for 0.
+   v must not be NULL, and must be a normalized long.
+   (size_t)-1 is returned and OverflowError set if the true result doesn't
+   fit in a size_t.
+*/
+PyAPI_FUNC(size_t) _PyLong_NumBits(PyObject *v);
+
+/* _PyLong_FromByteArray:  View the n unsigned bytes as a binary integer in
+   base 256, and return a Python long with the same numeric value.
+   If n is 0, the integer is 0.  Else:
+   If little_endian is 1/true, bytes[n-1] is the MSB and bytes[0] the LSB;
+   else (little_endian is 0/false) bytes[0] is the MSB and bytes[n-1] the
+   LSB.
+   If is_signed is 0/false, view the bytes as a non-negative integer.
+   If is_signed is 1/true, view the bytes as a 2's-complement integer,
+   non-negative if bit 0x80 of the MSB is clear, negative if set.
+   Error returns:
+   + Return NULL with the appropriate exception set if there's not
+     enough memory to create the Python long.
+*/
+PyAPI_FUNC(PyObject *) _PyLong_FromByteArray(
+	const unsigned char* bytes, size_t n,
+	int little_endian, int is_signed);
+
+/* _PyLong_AsByteArray: Convert the least-significant 8*n bits of long
+   v to a base-256 integer, stored in array bytes.  Normally return 0,
+   return -1 on error.
+   If little_endian is 1/true, store the MSB at bytes[n-1] and the LSB at
+   bytes[0]; else (little_endian is 0/false) store the MSB at bytes[0] and
+   the LSB at bytes[n-1].
+   If is_signed is 0/false, it's an error if v < 0; else (v >= 0) n bytes
+   are filled and there's nothing special about bit 0x80 of the MSB.
+   If is_signed is 1/true, bytes is filled with the 2's-complement
+   representation of v's value.  Bit 0x80 of the MSB is the sign bit.
+   Error returns (-1):
+   + is_signed is 0 and v < 0.  TypeError is set in this case, and bytes
+     isn't altered.
+   + n isn't big enough to hold the full mathematical value of v.  For
+     example, if is_signed is 0 and there are more digits in the v than
+     fit in n; or if is_signed is 1, v < 0, and n is just 1 bit shy of
+     being large enough to hold a sign bit.  OverflowError is set in this
+     case, but bytes holds the least-signficant n bytes of the true value.
+*/
+PyAPI_FUNC(int) _PyLong_AsByteArray(PyLongObject* v,
+	unsigned char* bytes, size_t n,
+	int little_endian, int is_signed);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_LONGOBJECT_H */