C++ MFILE::printf方法代码示例

int result_gaussian(GAUSS_INFO &gi) {

  int retval=0;

  if (signal_count > swi.analysis_cfg.max_signals) {
    SETIERROR(RESULT_OVERFLOW,"in result_gaussian");
  }

  retval = outfile.printf("%s", gi.g.print_xml(0,0,1).c_str());

  if (retval >= 0) {
    retval= outfile.printf("\n");
  }

  if (retval < 0) {
    SETIERROR(WRITE_FAILED,"in result_gaussian");
  } else {
    signal_count++;
    gaussian_count++;
  }

  return 0;
}

int result_spike(SPIKE_INFO &si) {

  int retval=0;

  if (signal_count >= swi.analysis_cfg.max_signals) {
    SETIERROR(RESULT_OVERFLOW,"in result_spike");
  }

  retval = outfile.printf("%s", si.s.print_xml(0,0,1).c_str());

  if (retval < 0) {
    SETIERROR(WRITE_FAILED,"in result_spike");
  } else {
    signal_count++;
    spike_count++;
  }

  return 0;
}

int main(int argc, char * argv[]) {
    int i, retval, lastInversion=0, checkpointExists=0, matrixSize=0;
    double fd;
    char input_path[512], output_path[512], chkpt_path[512], buf[256];
    MFILE out;
    FILE* state, *infile;

    generate_random_input_file(MATRIX_SIZE); //call this if you don't want to
                                             //construct the input file manually
    
	for (i=0; i<argc; i++) {
        if (!strcmp(argv[i], "-early_exit")) early_exit = true;
        if (!strcmp(argv[i], "-early_crash")) early_crash = true;
        if (!strcmp(argv[i], "-early_sleep")) early_sleep = true;
        if (!strcmp(argv[i], "-run_slow")) run_slow = true;
        if (!strcmp(argv[i], "-cpu_time")) {
            cpu_time = atof(argv[++i]);
        }
    }
	
    retval = boinc_init();
    if (retval) {
        fprintf(stderr,
            "%s boinc_init returned %d\n",
            boinc_msg_prefix(buf, sizeof(buf)), retval
        );
        exit(retval);
    }
    
    // open the input file (resolve logical name first)
    //
    boinc_resolve_filename(INPUT_FILENAME, input_path, sizeof(input_path));
    infile = boinc_fopen(input_path, "r");
    if (!infile) {
        fprintf(stderr,
            "%s Couldn't find input file in boinc\\win_build, resolved name %s.\n",
            boinc_msg_prefix(buf, sizeof(buf)), input_path
        );
        getchar();
        exit(-1);
    }
    
    boinc_resolve_filename(OUTPUT_FILENAME, output_path, sizeof(output_path));
    
    // See if there's a valid checkpoint file.
    // If so retrieve the current matrix and inversion number
    //
    boinc_resolve_filename(CHECKPOINT_FILE, chkpt_path, sizeof(chkpt_path));
    state = boinc_fopen(chkpt_path, "r");
    if (state) {
        printf("Checkpoint file is detected. Read from checkpoint file ... \n");
        checkpointExists=fscanf(state, "%d", &lastInversion); 
        if (checkpointExists == 1) {
            isStateFileInUse=true;
            printf("Last inversion # is : %d\n",lastInversion);	
            fscanf(state,"%d",&matrixSize);
            width=height=matrixSize;
            printf("Initialize host ....\n");
            initialize_host(state);
        }
        fclose(state);
    } else {
        printf("There's no valid checkpoint file!\n");
    }

    retval = out.open(output_path, "wb");

    if (retval) {
        fprintf(stderr,
            "%s APP: matrix_inversion output open failed:\n",
            boinc_msg_prefix(buf, sizeof(buf))
        );
        fprintf(stderr,
            "%s resolved name %s, retval %d\n",
            boinc_msg_prefix(buf, sizeof(buf)), output_path, retval
        );
        perror("open");
        exit(1);
    }

#ifdef APP_GRAPHICS
    // create shared mem segment for graphics, and arrange to update it
    //
    shmem = (UC_SHMEM*)boinc_graphics_make_shmem("matrix_inversion", sizeof(UC_SHMEM));
    if (!shmem) {
        fprintf(stderr,
            "%s failed to create shared mem segment\n",
            boinc_msg_prefix(buf, sizeof(buf))
        );
    }
    update_shmem();
    boinc_register_timer_callback(update_shmem);
#endif

    if (checkpointExists != 1) { //checkpoint file is not found.
        matrixSize=get_matrix_size(infile);
        printf("Matrix Size: width = height = %d\n",matrixSize);
        width=height=matrixSize;
        // Initialize Host application
        printf("Initialize host ....\n");
//.........这里部分代码省略.........

int ReportPulseEvent(float PulsePower,float MeanPower, float period,
                     int time_bin,int freq_bin, float snr, float thresh, float *folded_pot,
                     int scale, int write_pulse) {
  PULSE_INFO pi;
  pulse pulse;
  int retval=0, i, len_prof=static_cast<int>(floor(period));
  float step,norm,index,MinPower=PulsePower*MeanPower*scale;

// debug possible heap corruption -- jeffc
#ifdef _WIN32
BOINCASSERT(_CrtCheckMemory());
#endif

  // pulse info
  pi.score=snr/thresh;
  pi.p.peak_power=PulsePower-1;
  pi.p.mean_power=MeanPower;
  pi.p.fft_len=ChirpFftPairs[analysis_state.icfft].FftLen;
  pi.p.chirp_rate=ChirpFftPairs[analysis_state.icfft].ChirpRate;
  pi.p.period=static_cast<float>(period*static_cast<double>(pi.p.fft_len)/swi.subband_sample_rate);
  pi.p.snr = snr;
  pi.p.thresh = thresh;
  pi.p.len_prof = len_prof;
  pi.freq_bin=freq_bin;
  pi.time_bin=time_bin;
  pi.p.freq=cnvt_bin_hz(freq_bin, pi.p.fft_len);
  double t_offset=(static_cast<double>(time_bin)+0.5)
       *static_cast<double>(pi.p.fft_len)/
         swi.subband_sample_rate;
  pi.p.detection_freq=calc_detection_freq(pi.p.freq,pi.p.chirp_rate,t_offset);
  pi.p.time=swi.time_recorded+t_offset/86400.0;
  time_to_ra_dec(pi.p.time, &pi.p.ra, &pi.p.decl);

  for (i=0;i<len_prof;i++) {
    if (folded_pot[i]<MinPower) MinPower=folded_pot[i];
  }  
  norm=255.0f/((PulsePower*MeanPower*scale-MinPower));
  
  // Populate the min and max PoT arrays.  These are only used
  // for graphics.
#ifdef BOINC_APP_GRAPHICS
  if (!nographics()) {
    step=static_cast<float>(len_prof)/swi.analysis_cfg.pulse_pot_length;
    index=0;
    for (i=0;i<swi.analysis_cfg.pulse_pot_length;i++) {
      pi.pot_min[i]=255;
      pi.pot_max[i]=0;
      int j;
      for (j=0; j<step; j++) {
        unsigned int pot = static_cast<unsigned int>((folded_pot[static_cast<int>(floor(index))+j]-MinPower)*norm);
        if (pot<pi.pot_min[i]) {
          pi.pot_min[i]=pot;
        }
        if (pi.pot_min[i] >= 256) pi.pot_min[i] = 255; // kludge until we fix the assert failures
        BOINCASSERT(pi.pot_min[i] < 256);
        if (pot>pi.pot_max[i])
          pi.pot_max[i]=pot;
        if (pi.pot_max[i] >= 256) pi.pot_max[i] = 255; // kludge until we fix the assert failures
        BOINCASSERT(pi.pot_max[i] < 256);
      }
      index+=step;
    }
  }
#endif

  // Populate the result PoT if the folded PoT will fit.
  if (pi.p.len_prof < swi.analysis_cfg.pulse_pot_length) {
	pi.p.pot.resize(len_prof);
  	for (i=0;i<len_prof;i++) {
		pi.p.pot[i] = (unsigned char)((folded_pot[i]-MinPower)*norm);
  	}
  } else {
    pi.p.pot.clear();
  }

  // Update gdata pulse info regardless of whether it is the
  // best thus far.  If a pulse has made it this far, display it.
#ifdef BOINC_APP_GRAPHICS
    if (!nographics()) sah_graphics->pi.copy(&pi);
#endif

  // best thus far ?
  if (pi.score>best_pulse->score) {
    *best_pulse=pi;
  }

  if (write_pulse) {

    if (signal_count > swi.analysis_cfg.max_signals) {
      SETIERROR(RESULT_OVERFLOW,"in ReportPulseEvent");
    }

    //for (i=0;i<len_prof;i++) {
//	sprintf(&pi.p.pot[i], "%02x",(int)((folded_pot[i]-MinPower)*norm));
 //   }

    retval = outfile.printf("%s", pi.p.print_xml(0,0,1).c_str());

    if (retval >= 0) {
      outfile.printf("\n");
//.........这里部分代码省略.........

//.........这里部分代码省略.........
  // triplet info
  ti.score=Power;
  ti.t.peak_power=Power;
  ti.t.mean_power=MeanPower;
  ti.freq_bin=freq_bin;
  ti.time_bin=mid_time_bin+start_time_bin+0.5f;
  ti.t.chirp_rate=ChirpFftPairs[analysis_state.icfft].ChirpRate;
  ti.t.fft_len=ChirpFftPairs[analysis_state.icfft].FftLen;
  ti.bperiod=period;
  ti.t.period=static_cast<float>(period*static_cast<double>(ti.t.fft_len)/swi.subband_sample_rate);
  ti.t.freq=cnvt_bin_hz(freq_bin, ti.t.fft_len);
  double t_offset=(static_cast<double>(mid_time_bin)+start_time_bin+0.5)
      *static_cast<double>(ti.t.fft_len)/
         swi.subband_sample_rate;
  ti.t.detection_freq=calc_detection_freq(ti.t.freq,ti.t.chirp_rate,t_offset);
  ti.t.time=swi.time_recorded+t_offset/86400.0;
  time_to_ra_dec(ti.t.time, &ti.t.ra, &ti.t.decl);

  // Populate the min and max PoT arrays.  These are only used
  // for graphics.
  memset(ti.pot_min,0xff,swi.analysis_cfg.triplet_pot_length*sizeof(int));
  memset(ti.pot_max,0,swi.analysis_cfg.triplet_pot_length*sizeof(int));
  step=static_cast<double>(pot_len)/swi.analysis_cfg.triplet_pot_length;
  ti.scale=static_cast<float>(1.0/step);
  index=0;
  for (i=0;i<pot_len;i++) {
    if (PoT[i]>max_power) max_power=PoT[i];
  }
  norm=255.0/max_power;
  float mtb = mid_time_bin;
  if (pot_len > swi.analysis_cfg.triplet_pot_length) {
    ti.tpotind0_0 = ti.tpotind0_1 = static_cast<int>(((mtb-period)*swi.analysis_cfg.triplet_pot_length)/pot_len);
    ti.tpotind1_0 = ti.tpotind1_1 = static_cast<int>(((mtb)*swi.analysis_cfg.triplet_pot_length)/pot_len);
    ti.tpotind2_0 = ti.tpotind2_1 = static_cast<int>(((mtb+period)*swi.analysis_cfg.triplet_pot_length)/pot_len);
    for (j=0; j<pot_len; j++) {
      i = (j*swi.analysis_cfg.triplet_pot_length)/pot_len;
      if ((PoT[j]*norm)<ti.pot_min[i]) {
        ti.pot_min[i]=static_cast<unsigned int>(floor(PoT[j]*norm));
      }
      if ((PoT[j]*norm)>ti.pot_max[i]) {
        ti.pot_max[i]=static_cast<unsigned int>(floor(PoT[j]*norm));
      }
    }
  } else {
    memset(inv, -1, sizeof(inv));
    for (i=0;i<swi.analysis_cfg.triplet_pot_length;i++) {
      j = (i*pot_len)/swi.analysis_cfg.triplet_pot_length;
      if (inv[j] < 0) inv[j] = i;
      if ((PoT[j]*norm)<ti.pot_min[i]) {
        ti.pot_min[i]=static_cast<unsigned int>(floor(PoT[j]*norm));
      }
      if ((PoT[j]*norm)>ti.pot_max[i]) {
        ti.pot_max[i]=static_cast<unsigned int>(floor(PoT[j]*norm));
      }
    }
    ti.tpotind0_0 = inv[static_cast<int>(mtb-period)];
    ti.tpotind0_1 = inv[static_cast<int>(mtb-period+1)];
    ti.tpotind1_0 = (inv[static_cast<int>(mtb)]+inv[static_cast<int>(mtb+1)])/2;
    ti.tpotind1_1 = (inv[static_cast<int>(mtb+1)]+inv[static_cast<int>(mtb+2)])/2;
    ti.tpotind2_0 = inv[static_cast<int>(mtb+period)];
    if (mtb+period+1 >= pot_len) ti.tpotind2_1 = swi.analysis_cfg.triplet_pot_length-1;
    else ti.tpotind2_1 = inv[static_cast<int>(mtb+period+1)];
  }

  // Update sah_graphics triplet info regardless of whether it is the
  // best thus far.  If a triplet has made it this far, display it.
#ifdef BOINC_APP_GRAPHICS
    if (!nographics()) sah_graphics->ti.copy(&ti);
#endif

  // best thus far ?
  if (ti.score>best_triplet->score) {
    *best_triplet=ti;
  }


  if (write_triplet) {

    if (signal_count > swi.analysis_cfg.max_signals) {
      SETIERROR(RESULT_OVERFLOW,"in ReportTripletEvent");
    }

    retval = outfile.printf("%s", ti.t.print_xml(0,0,1).c_str());

    if (retval < 0) {
      SETIERROR(WRITE_FAILED,"in ReportTripletEvent");
    } else {
      signal_count++;
      triplet_count++;
    }

  }

// debug possible heap corruption -- jeffc
#ifdef _WIN32
BOINCASSERT(_CrtCheckMemory());
#endif

  return(retval);
}