[SPTK-CVS] SPTK4/src nan.cc,NONE,1.1

[Takenori Y. <tak...@us...>]

Update of /cvsroot/sp-tk/SPTK4/src
In directory sfp-cvs-1.v30.ch3.sourceforge.com:/tmp/cvs-serv30985

Added Files:
	nan.cc 
Log Message:
add nan command

--- NEW FILE: nan.cc ---
// ----------------------------------------------------------------- //
//             The Speech Signal Processing Toolkit (SPTK)           //
//             developed by SPTK Working Group                       //
//             http://sp-tk.sourceforge.net/                         //
// ----------------------------------------------------------------- //
//                                                                   //
//  Copyright (c) 1984-2007  Tokyo Institute of Technology           //
//                           Interdisciplinary Graduate School of    //
//                           Science and Engineering                 //
//                                                                   //
//                1996-2016  Nagoya Institute of Technology          //
//                           Department of Computer Science          //
//                                                                   //
// All rights reserved.                                              //
//                                                                   //
// Redistribution and use in source and binary forms, with or        //
// without modification, are permitted provided that the following   //
// conditions are met:                                               //
//                                                                   //
// - Redistributions of source code must retain the above copyright  //
//   notice, this list of conditions and the following disclaimer.   //
// - Redistributions in binary form must reproduce the above         //
//   copyright notice, this list of conditions and the following     //
//   disclaimer in the documentation and/or other materials provided //
//   with the distribution.                                          //
// - Neither the name of the SPTK working group nor the names of its //
//   contributors may be used to endorse or promote products derived //
//   from this software without specific prior written permission.   //
//                                                                   //
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND            //
// CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,       //
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF          //
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE          //
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS //
// BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,          //
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED   //
// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,     //
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON //
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,   //
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY    //
// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE           //
// POSSIBILITY OF SUCH DAMAGE.                                       //
// ----------------------------------------------------------------- //

#include <unistd.h>
#include <cmath>
#include <fstream>
#include <iostream>
#include <sstream>

#include "sptk_utils.h"

namespace {

void PrintUsage(std::ostream* stream) {
  // clang-format off
  *stream << std::endl;
  *stream << " nan - find NaN and Infinity values" << std::endl;
  *stream << std::endl;
  *stream << "  usage:" << std::endl;
  *stream << "       nan [ options ] [ infile ] > stdout" << std::endl;
  *stream << "  options:" << std::endl;
  *stream << "       -h    : print this message" << std::endl;
  *stream << "  infile:" << std::endl;
  *stream << "       data sequence (double)     [stdin]" << std::endl;
  *stream << "  stdout:" << std::endl;
  *stream << "       result messages" << std::endl;
  *stream << std::endl;
  *stream << " SPTK: version " << sptk::kVersion << std::endl;
  *stream << std::endl;
  // clang-format on
}

}  // namespace

int main(int argc, char* argv[]) {
  for (;;) {
    const char option_char(getopt(argc, argv, "h"));
    if (-1 == option_char) break;

    switch (option_char) {
      case 'h': {
        PrintUsage(&std::cout);
        return 0;
      }
      default: {
        PrintUsage(&std::cerr);
        return 1;
      }
    }
  }

  // get input file
  const char* input_file((optind < argc) ? argv[argc - 1] : NULL);

  // open stream
  std::ifstream ifs;
  ifs.open(input_file, std::ios::in | std::ios::binary);
  if (ifs.fail() && NULL != input_file) {
    std::ostringstream error_message;
    error_message << "Cannot open file " << input_file;
    sptk::PrintErrorMessage("nan", error_message);
    return 1;
  }
  std::istream& input_stream(ifs.fail() ? std::cin : ifs);

  double data;

  for (int frame_index(0); sptk::ReadStream(&data, &input_stream);
       ++frame_index) {
    if (std::isnan(data)) {
      std::cout << "[No. " << frame_index << "] is Nan" << std::endl;
    } else if (std::isinf(data)) {
      std::cout << "[No. " << frame_index << "] is Infinity" << std::endl;
    }
  }

  return 0;
}