vS128Add(_:_:) Signed 128-bit addition (modular arithmetic). Declarationfunc vS128Add(_ vA: vSInt32, _ vB: vSInt32) -> vSInt32 See AlsoInteger Arithmetic Functions (from vBasicOps.h)vU64AddS(_:_:)vS64AddS(_:_:)vU128Add(_:_:)vU128AddS(_:_:)vS128AddS(_:_:)vU64SubS(_:_:)vS64SubS(_:_:)vU128Sub(_:_:)vU128SubS(_:_:)vS128Sub(_:_:)vS128SubS(_:_:)vU8HalfMultiply(_:_:)vS8HalfMultiply(_:_:)vU32HalfMultiply(_:_:)vS32HalfMultiply(_:_:)