Changes for Lee Busby's SIGFPE patch set.
Two new modules fpectl and fpetest.
Surround various and sundry f.p. operations with PyFPE_*_PROTECT macros.
diff --git a/Modules/stropmodule.c b/Modules/stropmodule.c
index cb062ad..8ddf37d 100644
--- a/Modules/stropmodule.c
+++ b/Modules/stropmodule.c
@@ -661,7 +661,9 @@
 		return NULL;
 	}
 	errno = 0;
+	PyFPE_START_PROTECT("strop_atof", return 0)
 	x = strtod(s, &end);
+	PyFPE_END_PROTECT
 	while (*end && isspace(Py_CHARMASK(*end)))
 		end++;
 	if (*end != '\0') {