simd_sub(_:_:) Returns the difference between two quaternions. Declarationfunc simd_sub(_ p: simd_quatf, _ q: simd_quatf) -> simd_quatf See AlsoApplying arithmetic operations to quaternionssimd_add(_:_:)simd_mul(_:_:)simd_mul(_:_:)simd_mul(_:_:)exp(_:)log(_:)