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src/bin/matrix-dim.cc
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// bin/matrix-dim.cc
// Copyright 2015 Johns Hopkins University (author: Daniel Povey)
// See ../../COPYING for clarification regarding multiple authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
// WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
// MERCHANTABLITY OR NON-INFRINGEMENT.
// See the Apache 2 License for the specific language governing permissions and
// limitations under the License.
#include "base/kaldi-common.h"
#include "util/common-utils.h"
#include "matrix/kaldi-matrix.h"
int main(int argc, char *argv[]) {
try {
using namespace kaldi;
const char *usage =
"Print dimension info on an input matrix (rows then cols, separated by tab), to
"
"standard output. Output for single filename: rows[tab]cols. Output per line for
"
"archive of files: key[tab]rows[tab]cols
"
"Usage: matrix-dim [options] <matrix-in>|<in-rspecifier>
"
"e.g.: matrix-dim final.mat | cut -f 2
"
"See also: feat-to-len, feat-to-dim
";
ParseOptions po(usage);
po.Read(argc, argv);
if (po.NumArgs() != 1) {
po.PrintUsage();
exit(1);
}
if (ClassifyRspecifier(po.GetArg(1), NULL, NULL) != kNoRspecifier) {
std::string matrix_rspecifier = po.GetArg(1);
SequentialBaseFloatMatrixReader matrix_reader(matrix_rspecifier);
int32 num_read = 0;
for (; !matrix_reader.Done(); matrix_reader.Next(), num_read++) {
const Matrix<BaseFloat> &mat = matrix_reader.Value();
std::cout << matrix_reader.Key() << '\t'
<< mat.NumRows() << '\t' << mat.NumCols() << '
';
}
if (num_read == 0)
KALDI_WARN << "No features read from rspecifier '"
<< matrix_rspecifier << "'";
return (num_read == 0 ? 1 : 0);
} else {
std::string matrix_rxfilename = po.GetArg(1);
Matrix<BaseFloat> mat;
ReadKaldiObject(matrix_rxfilename, &mat);
std::cout << mat.NumRows() << '\t' << mat.NumCols() << '
';
return 0;
}
} catch(const std::exception &e) {
std::cerr << e.what();
return -1;
}
}
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