257   const int prediction_angle =  in IntraPrediction()  local
275                          (is_directional_mode && prediction_angle < 180) ||  in IntraPrediction()
278                           (is_directional_mode && prediction_angle > 90) ||  in IntraPrediction()
363                           needs_top, prediction_angle, width, height, max_x,  in IntraPrediction()
424                                  bool needs_top, int prediction_angle,  in DirectionalPrediction()  argument
433   if (prediction_angle == 90) {  in DirectionalPrediction()
438   if (prediction_angle == 180) {  in DirectionalPrediction()
448     if (prediction_angle > 90 && prediction_angle < 180 &&  in DirectionalPrediction()
456           width, height, filter_type, prediction_angle - 90);  in DirectionalPrediction()
459                                ((prediction_angle < 90) ? height : 0) + 1;  in DirectionalPrediction()
465           width, height, filter_type, prediction_angle - 180);  in DirectionalPrediction()
468                                ((prediction_angle > 180) ? width : 0) + 1;  in DirectionalPrediction()
473                                           prediction_angle - 90);  in DirectionalPrediction()
475       const int num_pixels = width + ((prediction_angle < 90) ? height : 0);  in DirectionalPrediction()
479                                            prediction_angle - 180);  in DirectionalPrediction()
481       const int num_pixels = height + ((prediction_angle > 180) ? width : 0);  in DirectionalPrediction()
486   if (prediction_angle < 90) {  in DirectionalPrediction()
487     const int dx = GetDirectionalIntraPredictorDerivative(prediction_angle);  in DirectionalPrediction()
490   } else if (prediction_angle < 180) {  in DirectionalPrediction()
492         GetDirectionalIntraPredictorDerivative(180 - prediction_angle);  in DirectionalPrediction()
494         GetDirectionalIntraPredictorDerivative(prediction_angle - 90);  in DirectionalPrediction()
499     assert(prediction_angle < 270);  in DirectionalPrediction()
501         GetDirectionalIntraPredictorDerivative(270 - prediction_angle);  in DirectionalPrediction()