changeset: 74662:5b8800004955 branch: 3.2 parent: 74659:76d60fcef3db user: Mark Dickinson date: Fri Jan 27 21:16:01 2012 +0000 files: Objects/floatobject.c description: Issue #13889: Add missing _Py_SET_53BIT_PRECISION_* calls around uses of dtoa.c functions in float round. diff -r 76d60fcef3db -r 5b8800004955 Objects/floatobject.c --- a/Objects/floatobject.c Fri Jan 27 17:33:01 2012 +0100 +++ b/Objects/floatobject.c Fri Jan 27 21:16:01 2012 +0000 @@ -919,9 +919,12 @@ char *buf, *buf_end, shortbuf[100], *mybuf=shortbuf; int decpt, sign; PyObject *result = NULL; + _Py_SET_53BIT_PRECISION_HEADER; /* round to a decimal string */ + _Py_SET_53BIT_PRECISION_START; buf = _Py_dg_dtoa(x, 3, ndigits, &decpt, &sign, &buf_end); + _Py_SET_53BIT_PRECISION_END; if (buf == NULL) { PyErr_NoMemory(); return NULL; @@ -944,7 +947,9 @@ /* and convert the resulting string back to a double */ errno = 0; + _Py_SET_53BIT_PRECISION_START; rounded = _Py_dg_strtod(mybuf, NULL); + _Py_SET_53BIT_PRECISION_END; if (errno == ERANGE && fabs(rounded)>= 1.) PyErr_SetString(PyExc_OverflowError, "rounded value too large to represent");