Finds the sum of an input range whose elements implicitly convert to double. User has option of making U a different type than T to prevent overflows on large array summing operations. However, by default, return type is T (same as input type).
See Implementation
Finds the sum of an input range whose elements implicitly convert to double. User has option of making U a different type than T to prevent overflows on large array summing operations. However, by default, return type is T (same as input type).