atofOnce               sync.Once
	atofRandomTests        []atofSimpleTest
	benchmarksRandomBits   [1024]string
	benchmarksRandomNormal [1024]string
)

func initAtof() {
	atofOnce.Do(initAtofOnce)
}

func initAtofOnce() {
	// The atof routines return NumErrors wrapping
	// the error and the string. Convert the table above.
	for i := range atoftests {
		test := &atoftests[i]
		if test.err != nil {