fsum                    Return an accurate floating point sum of values
kahanSum                Using the Kahan method, take a more accurate
                        sum
neumaierSum             Using the Neumaier method, take a more accurate
                        sum
pairwiseSum             Return an accurate floating point sum of values
psProd                  Using PreciceSums's default method, take a
                        product
psSetProd               Choose the type of product to use in
                        PreciceSums.  These are used in the PreciceSums
                        'prod' blocks
psSetSum                Choose the type of sums to use for PreciceSums.
psSum                   Using PreciceSums's default method, take a sum
