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   1  <?php
   2  
   3  
   4  if (class_exists('ParagonIE_Sodium_Core_Curve25519_Ge_Cached', false)) {
   5      return;
   6  }
   7  /**
   8   * Class ParagonIE_Sodium_Core_Curve25519_Ge_Cached
   9   */
  10  class ParagonIE_Sodium_Core_Curve25519_Ge_Cached
  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 $Z;
  26  
  27      /**
  28       * @var ParagonIE_Sodium_Core_Curve25519_Fe
  29       */
  30      public $T2d;
  31  
  32      /**
  33       * ParagonIE_Sodium_Core_Curve25519_Ge_Cached constructor.
  34       *
  35       * @internal You should not use this directly from another application
  36       *
  37       * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $YplusX
  38       * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $YminusX
  39       * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $Z
  40       * @param ParagonIE_Sodium_Core_Curve25519_Fe|null $T2d
  41       */
  42      public function __construct(
  43          $YplusX = null,
  44          $YminusX = null,
  45          $Z = null,
  46          $T2d = null
  47      ) {
  48          if ($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      }
  77  }