Mercurial > cpython-lru_cache-weakref
diff Include/floatobject.h @ 57324:92e06cdbeab9 legacy-trunk
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.
| author | Mark Dickinson <dickinsm@gmail.com> |
|---|---|
| date | Wed, 18 Nov 2009 19:33:35 +0000 |
| parents | 1d8f24d40c2c |
| children |
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--- a/Include/floatobject.h Wed Nov 18 18:52:35 2009 +0000 +++ b/Include/floatobject.h Wed Nov 18 19:33:35 2009 +0000 @@ -127,6 +127,13 @@ 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