Remove C++11 calls from intelligibility_utils

webrtc/modules/audio_processing/intelligibility/intelligibility_utils.h

 /*
  *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 //
 //  Specifies helper classes for intelligibility enhancement.
 //
 
 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_INTELLIGIBILITY_INTELLIGIBILITY_UTILS_H_
 #define WEBRTC_MODULES_AUDIO_PROCESSING_INTELLIGIBILITY_INTELLIGIBILITY_UTILS_H_
 
 #include <complex>
 
 #include "webrtc/base/scoped_ptr.h"
 
 namespace webrtc {
 
 namespace intelligibility {
 
 // Return |current| changed towards |target|, with the change being at most
 // |limit|.
 float UpdateFactor(float target, float current, float limit);
 
-// std::isfinite for complex numbers.
-bool cplxfinite(std::complex<float> c);
-
-// std::isnormal for complex numbers.
-bool cplxnormal(std::complex<float> c);
-
 // Apply a small fudge to degenerate complex values. The numbers in the array
 // were chosen randomly, so that even a series of all zeroes has some small
 // variability.
 std::complex<float> zerofudge(std::complex<float> c);
 
 // Incremental mean computation. Return the mean of the series with the
 // mean |mean| with added |data|.
 std::complex<float> NewMean(std::complex<float> mean,
                             std::complex<float> data,
                             int count);
@@ skipping 109 matching lines @@
   const float change_limit_;
   rtc::scoped_ptr<float[]> target_;
   rtc::scoped_ptr<float[]> current_;
 };
 
 }  // namespace intelligibility
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_INTELLIGIBILITY_INTELLIGIBILITY_UTILS_H_