Computes the fused multiply-add x * y + z of three floating point numbers and rounds the
result according to the given specification. The product x * y is exact and never rounded
on its own; only the final sum is rounded.
Computes the fused multiply-add x * y + z of three floating point numbers and rounds the
result according to the given specification. The product x * y is exact and never rounded
on its own; only the final sum is rounded.