diff options
Diffstat (limited to 'Include')
| -rw-r--r-- | Include/longobject.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Include/longobject.h b/Include/longobject.h index 5d1ea0a..e592891 100644 --- a/Include/longobject.h +++ b/Include/longobject.h @@ -18,6 +18,15 @@ extern DL_IMPORT(PyObject *) PyLong_FromUnsignedLong(unsigned long); extern DL_IMPORT(PyObject *) PyLong_FromDouble(double); extern DL_IMPORT(long) PyLong_AsLong(PyObject *); extern DL_IMPORT(unsigned long) PyLong_AsUnsignedLong(PyObject *); + +/* _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. */ +extern DL_IMPORT(double) _PyLong_AsScaledDouble(PyObject *vv, int *e); + extern DL_IMPORT(double) PyLong_AsDouble(PyObject *); extern DL_IMPORT(PyObject *) PyLong_FromVoidPtr(void *); extern DL_IMPORT(void *) PyLong_AsVoidPtr(PyObject *); |