// SumInt64 returns the sum of an int64 slice.
SumInt64 returns the sum of an int64 slice.
// SumInt64 returns the sum of an int64 slice .
func SumInt64(vals []int64) (sum int64) {
	for _, v := range vals {
		sum += v
	}
	return
}
func SumInt64 ( vals [ ] int64 ) ( sum int64 ) { for _ , v := range vals { sum += v } return }
SumInt64 returns the sum of an int64 slice.
SumInt64 returns the sum of an int64 slice .