text: /*
   * Copyright 2007 ZXing authors
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  import IllegalArgumentException from '../../IllegalArgumentException';
  /**
   * <p>This class contains utility methods for performing mathematical operations over
   * the Galois Fields. Operations use a given primitive polynomial in calculations.</p>
   *
   * <p>Throughout this package, elements of the GF are represented as an {@code int}
   * for convenience and speed (but at the cost of memory).
   * </p>
   *
   * @author Sean Owen
   * @author David Olivier
   */
  var AbstractGenericGF = /** @class */ (function () {
      function AbstractGenericGF() {
      }
      /**
       * @return 2 to the power of a in GF(size)
       */
      AbstractGenericGF.prototype.exp = function (a) {
          return this.expTable[a];
      };
      /**
       * @return base 2 log of a in GF(size)
       */
      AbstractGenericGF.prototype.log = function (a /*int*/) {
          if (a === 0) {
              throw new IllegalArgumentException();
          }
          return this.logTable[a];
      };
      /**
       * Implements both addition and subtraction -- they are the same in GF(size).
       *
       * @return sum/difference of a and b
       */
      AbstractGenericGF.addOrSubtract = function (a /*int*/, b /*int*/) {
          return a ^ b;
      };
      return AbstractGenericGF;
  }());
  export default AbstractGenericGF;
  //# sourceMappingURL=AbstractGenericGF.js.map