Merged revisions 70678 via svnmerge from

mdickinson · mdickinson · commit c8a608c6668d · 2009-03-29T15:19:47.000Z
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r70678 | mark.dickinson | 2009-03-29 15:37:51 +0100 (Sun, 29 Mar 2009) | 3 lines

  Issue #532631: Replace confusing fabs(x)/1e25 &gt;= 1e25 test
  with fabs(x) &gt;= 1e50, and fix documentation.
........
diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
@@ -1322,7 +1322,7 @@ that ``'\0'`` is the end of the string.
 .. XXX Examples?
 
 For safety reasons, floating point precisions are clipped to 50; ``%f``
-conversions for numbers whose absolute value is over 1e25 are replaced by ``%g``
+conversions for numbers whose absolute value is over 1e50 are replaced by ``%g``
 conversions. [#]_  All other errors raise exceptions.
 
 .. index::
diff --git a/Objects/stringlib/formatter.h b/Objects/stringlib/formatter.h
@@ -789,7 +789,7 @@ format_float_internal(PyObject *value,
 
     if (precision < 0)
         precision = 6;
-    if (type == 'f' && (fabs(x) / 1e25) >= 1e25)
+    if (type == 'f' && fabs(x) >= 1e50)
         type = 'g';
 
     /* cast "type", because if we're in unicode we need to pass a
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
@@ -8847,7 +8847,7 @@ formatfloat(Py_UNICODE *buf,
         return -1;
     if (prec < 0)
         prec = 6;
-    if (type == 'f' && (fabs(x) / 1e25) >= 1e25)
+    if (type == 'f' && fabs(x) >= 1e50)
         type = 'g';
     /* Worst case length calc to ensure no buffer overrun:
 
