--- test.orig.cpp	2015-03-07 19:06:34.000000000 +0900
+++ test.cpp	2015-03-07 19:08:17.000000000 +0900
@@ -63,6 +63,7 @@
 #endif

 namespace {
+#if 0
 bool CheckLoadedFile(double *x, int fs, int nbit, int x_length) {
   if (x == NULL) {
     printf("error: File not found.\n");
@@ -75,6 +76,7 @@
   printf("Length %f [sec]\n", static_cast<double>(x_length) / fs);
   return true;
 }
+#endif

 void F0Estimation(double *x, int x_length, int fs, int f0_length, double *f0,
     double *time_axis) {
@@ -91,6 +93,7 @@
   option.f0_ceil = 640.0;
   option.channels_in_octave = 2.0;

+#if 0
   printf("\nAnalysis\n");
   DWORD elapsed_time = timeGetTime();
   Dio(x, x_length, fs, option, time_axis, f0);
@@ -100,6 +103,10 @@
   elapsed_time = timeGetTime();
   StoneMask(x, x_length, fs, time_axis, f0, f0_length, refined_f0);
   printf("StoneMask: %d [msec]\n", timeGetTime() - elapsed_time);
+#else
+  Dio(x, x_length, fs, option, time_axis, f0);
+  StoneMask(x, x_length, fs, time_axis, f0, f0_length, refined_f0);
+#endif

   for (int i = 0; i < f0_length; ++i) f0[i] = refined_f0[i];

@@ -107,6 +114,7 @@
   return;
 }

+#if 0
 void SpectralEnvelopeEstimation(double *x, int x_length, int fs,
     double *time_axis, double *f0, int f0_length, double **spectrogram) {
   DWORD elapsed_time = timeGetTime();
@@ -196,6 +204,7 @@
     printf("WORLD: %d [msec]\n", timeGetTime() - elapsedTime);
   }
 }
+#endif

 }  // namespace

@@ -210,17 +219,21 @@
 // flag       : argv[5] Excitation signal or Aperiodicity(0 or 1)
 //-----------------------------------------------------------------------------
 int main(int argc, char *argv[]) {
+#if 0
   if (argc != 2 && argc != 3 && argc != 4 && argc != 5 && argc != 6) {
     printf("error\n");
     return 0;
   }
+#endif
   int fs, nbit, x_length;
   double *x = wavread(argv[1], &fs, &nbit, &x_length);

+#if 0
   if (CheckLoadedFile(x, fs, nbit, x_length) == false) {
     printf("error: File not found.\n");
     return 0;
   }
+#endif

   // Allocate memories
   // The number of samples for F0
@@ -228,6 +241,7 @@
   double *f0 = new double[f0_length];
   double *time_axis = new double[f0_length];

+#if 0
   // FFT size for CheapTrick, PLATINUM and Aperiodicity
   int fft_size = GetFFTSizeForCheapTrick(fs);
   double **spectrogram = new double *[f0_length];
@@ -238,11 +252,17 @@
     residual_spectrogram[i] = new double[fft_size + 1];  // miss??
     aperiodicity[i] = new double[fft_size / 2 + 1];
   }
+#endif

   // F0 estimation
   //-------------------------------
   F0Estimation(x, x_length, fs, f0_length, f0, time_axis);
+#if 0
+#else
+  fwrite(f0, sizeof(*f0), f0_length, stdout);
+#endif

+#if 0
   // Spectral envelope estimation
   SpectralEnvelopeEstimation(x, x_length, fs, time_axis, f0, f0_length,
       spectrogram);
@@ -270,10 +290,12 @@
   wavwrite(y, y_length, fs, 16, argv[2]);

   printf("complete.\n");
+#endif

   delete[] x;
   delete[] time_axis;
   delete[] f0;
+#if 0
   delete[] y;
   for (int i = 0; i < f0_length; ++i) {
     delete[] spectrogram[i];
@@ -283,6 +305,7 @@
   delete[] spectrogram;
   delete[] residual_spectrogram;
   delete[] aperiodicity;
+#endif

   return 0;
 }