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matrix-scale-elements.cc
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matrix-scale-elements.cc
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// src/matrix-scale-elements.cc
// Copyright 2018 Jian Wu
// 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 spec
#include "base/kaldi-common.h"
#include "matrix/kaldi-matrix.h"
#include "util/common-utils.h"
int main(int argc, char *argv[]) {
try {
using namespace kaldi;
const char *usage =
"Compute hadamard product of matrix\n"
"\n"
"Usage: matrix-scale-elements [options] <matrix-rspecifier> "
"<matrix-rspecifier> <matrix-wspecifier>\n"
"e.g.: matrix-scale-elements scp:src.scp scp:weights.scp ark:fix.ark\n";
ParseOptions po(usage);
po.Read(argc, argv);
if (po.NumArgs() != 3) {
po.PrintUsage();
exit(1);
}
std::string input_rspecifier = po.GetArg(1);
std::string scale_rspecifier = po.GetArg(2);
std::string matrix_wspecifier = po.GetArg(3);
SequentialBaseFloatMatrixReader input_reader(input_rspecifier);
RandomAccessBaseFloatMatrixReader scale_reader(scale_rspecifier);
BaseFloatMatrixWriter mat_writer(matrix_wspecifier);
int32 num_done = 0, num_matrix = 0;
for (; !input_reader.Done(); input_reader.Next()) {
std::string key = input_reader.Key();
num_matrix++;
if (!scale_reader.HasKey(key)) continue;
Matrix<BaseFloat> scale(scale_reader.Value(key));
const Matrix<BaseFloat> &input = input_reader.Value();
scale.MulElements(input);
mat_writer.Write(key, scale);
num_done++;
}
KALDI_LOG << "Scaled " << num_done << " matrices, " << num_matrix
<< " matrix in total.";
return (num_done != 0 ? 0 : 1);
} catch (const std::exception &e) {
std::cerr << e.what();
return -1;
}
}