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Issue #5920: Changed format.__float__ and complex.__float__ to use a precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson.

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This commit is contained in:
Eric Smith 2009-05-05 18:26:08 +00:00
parent 929ab93489
commit a985a3aee4
9 changed files with 110 additions and 27 deletions
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15
Objects/floatobject.c
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@ -352,7 +352,7 @@ convert_to_double(PyObject **v, double *dbl)
void
PyFloat_AsString(char *buf, PyFloatObject *v)
{
_PyOS_double_to_string(buf, 100, v->ob_fval, 's', 0,
_PyOS_double_to_string(buf, 100, v->ob_fval, 'g', PyFloat_STR_PRECISION,
Py_DTSF_ADD_DOT_0, NULL);
}
@ -368,9 +368,13 @@ static int
float_print(PyFloatObject *v, FILE *fp, int flags)
{
char buf[100];
_PyOS_double_to_string(buf, sizeof(buf), v->ob_fval,
(flags & Py_PRINT_RAW) ? 's' : 'r',
0, Py_DTSF_ADD_DOT_0, NULL);
if (flags & Py_PRINT_RAW)
_PyOS_double_to_string(buf, sizeof(buf), v->ob_fval,
'g', PyFloat_STR_PRECISION,
Py_DTSF_ADD_DOT_0, NULL);
else
_PyOS_double_to_string(buf, sizeof(buf), v->ob_fval,
'r', 0, Py_DTSF_ADD_DOT_0, NULL);
Py_BEGIN_ALLOW_THREADS
fputs(buf, fp);
Py_END_ALLOW_THREADS
@ -390,7 +394,8 @@ static PyObject *
float_str(PyFloatObject *v)
{
char buf[100];
_PyOS_double_to_string(buf, sizeof(buf), v->ob_fval, 's', 0,
_PyOS_double_to_string(buf, sizeof(buf), v->ob_fval, 'g',
PyFloat_STR_PRECISION,
Py_DTSF_ADD_DOT_0, NULL);
return PyString_FromString(buf);
}