Mercurial > cpython-lru_cache-weakref
view Include/floatobject.h @ 17405:afbb65b60fa2 2.0
Inspired by Tim Peters' 1.14->1.15 checkin to asynchat
Quoting orignal message:
'''
Fix from the Madusa mailing list:
http://groups.yahoo.com/group/medusa/message/333
It's clear that Medusa should not be checking for an empty buffer
via "buf is ''". The patch merely changes "is" to "==". However,
there's a mystery here all the same: Python attempts to store null
strings uniquely, so it's unclear why "buf is ''" ever returned
false when buf actually was empty. *Some* string operations produce
non-unique null strings, e.g.
'''
| author | Moshe Zadka <moshez@math.huji.ac.il> |
|---|---|
| date | Wed, 11 Apr 2001 08:06:02 +0000 |
| parents | 6f6f965c5e2d |
| children | fe4c1034b480 |
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/* Float object interface */ /* PyFloatObject represents a (double precision) floating point number. */ #ifndef Py_FLOATOBJECT_H #define Py_FLOATOBJECT_H #ifdef __cplusplus extern "C" { #endif typedef struct { PyObject_HEAD double ob_fval; } PyFloatObject; extern DL_IMPORT(PyTypeObject) PyFloat_Type; #define PyFloat_Check(op) ((op)->ob_type == &PyFloat_Type) extern DL_IMPORT(PyObject *) PyFloat_FromString(PyObject*, char**); extern DL_IMPORT(PyObject *) PyFloat_FromDouble(double); extern DL_IMPORT(double) PyFloat_AsDouble(PyObject *); /* Macro, trading safety for speed */ #define PyFloat_AS_DOUBLE(op) (((PyFloatObject *)(op))->ob_fval) #ifdef __cplusplus } #endif #endif /* !Py_FLOATOBJECT_H */