Switch usage of _DEBUG macro to NDEBUG.

webrtc/modules/audio_coding/codecs/isac/fix/test/test_iSACfixfloat.c

 /*
  *  Copyright (c) 2011 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.
  */
 
@@ skipping 94 matching lines @@
   int16_t shortdata[FRAMESAMPLES_10ms];
   int16_t decoded[MAX_FRAMESAMPLES];
   uint16_t streamdata[600];
   int16_t speechType[1];
 
   // int16_t* iSACstruct;
 
   char version_number[20];
   int mode = -1, tmp, nbTest = 0; /*,sss;*/
 
-#ifdef _DEBUG
+#if !defined(NDEBUG)
   FILE* fy;
   double kbps;
   size_t totalbits = 0;
   int totalsmpls = 0;
-#endif /* _DEBUG */
+#endif
 
   /* only one structure used for ISAC encoder */
   ISAC_MainStruct* ISAC_main_inst;
   ISACFIX_MainStruct* ISACFIX_main_inst;
 
   BottleNeckModel BN_data;
   f_bn = NULL;
 
-#ifdef _DEBUG
+#if !defined(NDEBUG)
   fy = fopen("bit_rate.dat", "w");
   fclose(fy);
   fy = fopen("bytes_frames.dat", "w");
   fclose(fy);
-#endif /* _DEBUG */
+#endif
 
   // histfile = fopen("histo.dat", "ab");
   // ratefile = fopen("rates.dat", "ab");
 
   /* handling wrong input arguments in the command line */
   if ((argc < 6) || (argc > 10)) {
     printf("\n\nWrong number of arguments or flag values.\n\n");
 
     printf("\n");
     WebRtcIsacfix_version(version_number);
@@ skipping 437 matching lines @@
         }
       }
 
       /* Write decoded speech frame to file */
       fwrite(decoded, sizeof(int16_t), declen, outp);
     }
 
     fprintf(stderr, "  \rframe = %d", framecnt);
     framecnt++;
 
-#ifdef _DEBUG
+#if !defined(NDEBUG)
 
     totalsmpls += declen;
     totalbits += 8 * stream_len;
     kbps = (double)FS / (double)cur_framesmpls * 8.0 * stream_len / 1000.0;
     fy = fopen("bit_rate.dat", "a");
     fprintf(fy, "Frame %i = %0.14f\n", framecnt, kbps);
     fclose(fy);
 
-#endif /* _DEBUG */
+#endif
   }
 
-#ifdef _DEBUG
+#if !defined(NDEBUG)
   printf("\n\ntotal bits               = %" PRIuS " bits", totalbits);
   printf("\nmeasured average bitrate = %0.3f kbits/s",
          (double)totalbits * (FS / 1000) / totalsmpls);
   printf("\n");
-#endif /* _DEBUG */
+#endif
 
   /* Runtime statistics */
   runtime = (double)(clock() / (double)CLOCKS_PER_SEC - starttime);
   length_file = ((double)framecnt * (double)declen / FS);
   printf("\n\nLength of speech file: %.1f s\n", length_file);
   printf("Time to run iSAC:      %.2f s (%.2f %% of realtime)\n\n", runtime,
          (100 * runtime / length_file));
   printf("---------------------END----------------------\n");
 
   fclose(inp);
   fclose(outp);
 
   WebRtcIsac_Free(ISAC_main_inst);
   WebRtcIsacfix_Free(ISACFIX_main_inst);
 
   // fclose(histfile);
   // fclose(ratefile);
 
   return 0;
 }