Replace math.sum with math.fsum in a couple of comments

that were missed by r65308

diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c
index ef33dabec86fac5d886610e4fd123621d0f220c9..79c55d863ba849260d4f6297de090bf80c43f4db 100644 (file)
--- a/Modules/mathmodule.c
+++ b/Modules/mathmodule.c
@@ -341,7 +341,7 @@ FUNC1(tanh, tanh, 0,
    Note 4: A similar implementation is in Modules/cmathmodule.c.
    Be sure to update both when making changes.
 
-   Note 5: The signature of math.sum() differs from __builtin__.sum()
+   Note 5: The signature of math.fsum() differs from __builtin__.sum()
    because the start argument doesn't make sense in the context of
    accurate summation.  Since the partials table is collapsed before
    returning a result, sum(seq2, start=sum(seq1)) may not equal the
@@ -506,7 +506,7 @@ math_fsum(PyObject *self, PyObject *seq)
                   Needed so that sum([1e-16, 1, 1e16]) will round-up the last
                   digit to two instead of down to zero (the 1e-16 makes the 1
                   slightly closer to two).  With a potential 1 ULP rounding
-                  error fixed-up, math.sum() can guarantee commutativity. */
+                  error fixed-up, math.fsum() can guarantee commutativity. */
                if (n > 0 && ((lo < 0.0 && p[n-1] < 0.0) ||
                              (lo > 0.0 && p[n-1] > 0.0))) {
                        y = lo * 2.0;