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author | Mark Dickinson <dickinsm@gmail.com> | 2009-11-18 19:33:35 +0000 |
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committer | Mark Dickinson <dickinsm@gmail.com> | 2009-11-18 19:33:35 +0000 |
commit | 7b0978e448214351e25cd78e181285a642bba5b3 (patch) | |
tree | 01b6c51eead6bf1f7daba9d1680f4a896ca520a3 /Include | |
parent | dfed07bc6b86cf12e1eef9f0ac165c016418ad8f (diff) | |
download | cpython-7b0978e448214351e25cd78e181285a642bba5b3.tar.gz |
Issue #7117, continued: Change round implementation to use the correctly-rounded
string <-> float conversions; this makes sure that the result of the round
operation is correctly rounded, and hence displays nicely using the new float
repr.
Diffstat (limited to 'Include')
-rw-r--r-- | Include/floatobject.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Include/floatobject.h b/Include/floatobject.h index 6c11036190..54e88256a2 100644 --- a/Include/floatobject.h +++ b/Include/floatobject.h @@ -127,6 +127,13 @@ PyAPI_FUNC(PyObject *) _PyFloat_FormatAdvanced(PyObject *obj, char *format_spec, Py_ssize_t format_spec_len); +/* Round a C double x to the closest multiple of 10**-ndigits. Returns a + Python float on success, or NULL (with an appropriate exception set) on + failure. Used in builtin_round in bltinmodule.c. */ +PyAPI_FUNC(PyObject *) _Py_double_round(double x, int ndigits); + + + #ifdef __cplusplus } #endif |