text: /*
   * Copyright 2012 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.
   */
  
  @class ZXModulusPoly;
  
  /**
   * A field based on powers of a generator integer, modulo some modulus.
   */
  @interface ZXModulusGF : NSObject
  
  @property (nonatomic, strong, readonly) ZXModulusPoly *one;
  @property (nonatomic, strong, readonly) ZXModulusPoly *zero;
  
  + (ZXModulusGF *)PDF417_GF;
  
  - (id)initWithModulus:(int)modulus generator:(int)generator;
  
  - (ZXModulusPoly *)buildMonomial:(int)degree coefficient:(int)coefficient;
  - (int)add:(int)a b:(int)b;
  - (int)subtract:(int)a b:(int)b;
  - (int)exp:(int)a;
  - (int)log:(int)a;
  - (int)inverse:(int)a;
  - (int)multiply:(int)a b:(int)b;
  - (int)size;
  
  @end
  