From: Guido van Rossum <guido@python.org>
Date: Mon, 27 Sep 1999 17:11:52 +0000 (+0000)
Subject: Patch by Tim Peters fixing PR#89:
X-Git-Tag: v1.6a1~875
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1a23c2484ece91d06f75d9ebdaf2ada951c87c82;p=python

Patch by Tim Peters fixing PR#89:

long(+/- infinity) returns nonsense.
---

diff --git a/Objects/longobject.c b/Objects/longobject.c
index 7c805a5259..9f605a1470 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.c
@@ -145,6 +145,11 @@ PyLong_FromDouble(dval)
 	double frac;
 	int i, ndig, expo, neg;
 	neg = 0;
+	if (dval && dval * 0.5 == dval) {
+		PyErr_SetString(PyExc_OverflowError,
+			"cannot convert float infinity to long");
+		return NULL;
+	}
 	if (dval < 0.0) {
 		neg = 1;
 		dval = -dval;