1<?php
  2
  3if (class_exists('ParagonIE_Sodium_Core_Curve25519_Ge_Precomp', false)) {
  4    return;
  5}
  6
  7/**
  8 * Class ParagonIE_Sodium_Core_Curve25519_Ge_Precomp
  9 */
 10class ParagonIE_Sodium_Core_Curve25519_Ge_Precomp
 11{
 12    /**
 13     * @var ParagonIE_Sodium_Core_Curve25519_Fe
 14     */
 15    public $yplusx;
 16
 17    /**
 18     * @var ParagonIE_Sodium_Core_Curve25519_Fe
 19     */
 20    public $yminusx;
 21
 22    /**
 23     * @var ParagonIE_Sodium_Core_Curve25519_Fe
 24     */
 25    public $xy2d;
 26
 27    /**
 28     * ParagonIE_Sodium_Core_Curve25519_Ge_Precomp constructor.
 29     *
 30     * @internal You should not use this directly from another application
 31     *
 32     * @param ParagonIE_Sodium_Core_Curve25519_Fe $yplusx
 33     * @param ParagonIE_Sodium_Core_Curve25519_Fe $yminusx
 34     * @param ParagonIE_Sodium_Core_Curve25519_Fe $xy2d
 35     */
 36    public function __construct(
 37        $yplusx = null,
 38        $yminusx = null,
 39        $xy2d = null
 40    ) {
 41        if ($yplusx === null) {
 42            $yplusx = new ParagonIE_Sodium_Core_Curve25519_Fe();
 43        }
 44        if (!($yplusx instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) {
 45            throw new TypeError('Argument 1 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe');
 46        }
 47        $this->yplusx = $yplusx;
 48        if ($yminusx === null) {
 49            $yminusx = new ParagonIE_Sodium_Core_Curve25519_Fe();
 50        }
 51        if (!($yminusx instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) {
 52            throw new TypeError('Argument 2 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe');
 53        }
 54        $this->yminusx = $yminusx;
 55        if ($xy2d === null) {
 56            $xy2d = new ParagonIE_Sodium_Core_Curve25519_Fe();
 57        }
 58        if (!($xy2d instanceof ParagonIE_Sodium_Core_Curve25519_Fe)) {
 59            throw new TypeError('Argument 3 must be an instance of ParagonIE_Sodium_Core_Curve25519_Fe');
 60        }
 61        $this->xy2d = $xy2d;
 62    }
 63}
 64