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-rw-r--r--Modules/mathmodule.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c
index aa3869141d..4fb5916e8a 100644
--- a/Modules/mathmodule.c
+++ b/Modules/mathmodule.c
@@ -188,11 +188,11 @@ math_1_to_whatever(PyObject *arg, double (*func) (double),
"math domain error (singularity)");
return NULL;
}
- /* on most machines, errno should be 0 at this point */
- if (errno && is_error(r))
+ if (Py_IS_FINITE(r) && errno && is_error(r))
+ /* this branch unnecessary on most platforms */
return NULL;
- else
- return (*from_double_func)(r);
+
+ return (*from_double_func)(r);
}
/*