ParagonIE_Sodium_Core_Curve25519_Ge_Cached::__construct( ParagonIE_Sodium_Core_Curve25519_Fe|null $YplusX = null, ParagonIE_Sodium_Core_Curve25519_Fe|null $YminusX = null, ParagonIE_Sodium_Core_Curve25519_Fe|null $Z = null, ParagonIE_Sodium_Core_Curve25519_Fe|null $T2d = null )

42    public function __construct(43        $YplusX = null,44        $YminusX = null,45        $Z = null,46        $T2d = null47    ) {48        if ($YplusX === null) {49            $YplusX = new ParagonIE_Sodium_Core_Curve25519_Fe();50        }51        if (!($YplusX instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) {52            throw new TypeError('Argument 1 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe');53        }54        $this->YplusX = $YplusX;55        if ($YminusX === null) {56            $YminusX = new ParagonIE_Sodium_Core_Curve25519_Fe();57        }58        if (!($YminusX instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) {59            throw new TypeError('Argument 2 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe');60        }61        $this->YminusX = $YminusX;62        if ($Z === null) {63            $Z = new ParagonIE_Sodium_Core_Curve25519_Fe();64        }65        if (!($Z instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) {66            throw new TypeError('Argument 3 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe');67        }68        $this->Z = $Z;69        if ($T2d === null) {70            $T2d = new ParagonIE_Sodium_Core_Curve25519_Fe();71        }72        if (!($T2d instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) {73            throw new TypeError('Argument 4 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe');74        }75        $this->T2d = $T2d;76    }