Mercurial > cpython-lru_cache-weakref
diff Objects/floatobject.c @ 20654:edd9d0b3c47e legacy-trunk
SF patch #474590 -- RISC OS support
| author | Guido van Rossum <guido@python.org> |
|---|---|
| date | Wed, 24 Oct 2001 20:42:55 +0000 |
| parents | 2983b54256c7 |
| children | c7aa332a2ffa |
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--- a/Objects/floatobject.c Wed Oct 24 20:22:40 2001 +0000 +++ b/Objects/floatobject.c Wed Oct 24 20:42:55 2001 +0000 @@ -610,6 +610,13 @@ long aslong; /* (long)wholepart */ (void)modf(x, &wholepart); +#ifdef RISCOS + /* conversion from floating to integral type would raise exception */ + if (wholepart>LONG_MAX || wholepart<LONG_MIN) { + PyErr_SetString(PyExc_OverflowError, "float too large to convert"); + return NULL; + } +#endif /* doubles may have more bits than longs, or vice versa; and casting to long may yield gibberish in either case. What really matters is whether converting back to double again reproduces what we