Mercurial > cpython-lru_cache-weakref

diff Objects/floatobject.c @ 74662:5b8800004955 3.2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Issue #13889: Add missing _Py_SET_53BIT_PRECISION_* calls around uses of dtoa.c functions in float round.
author Mark Dickinson <mdickinson@enthought.com>
date Fri, 27 Jan 2012 21:16:01 +0000
parents 7a36136cc01b
children 265d35e8fe82
line wrap: on
line diff
--- 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");