diff options
Diffstat (limited to 'kaldi_io/src/kaldi/matrix/matrix-functions-inl.h')
| -rw-r--r-- | kaldi_io/src/kaldi/matrix/matrix-functions-inl.h | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/kaldi_io/src/kaldi/matrix/matrix-functions-inl.h b/kaldi_io/src/kaldi/matrix/matrix-functions-inl.h deleted file mode 100644 index 9fac851..0000000 --- a/kaldi_io/src/kaldi/matrix/matrix-functions-inl.h +++ /dev/null @@ -1,56 +0,0 @@ -// matrix/matrix-functions-inl.h - -// Copyright 2009-2011 Microsoft Corporation -// -// 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. -// -// (*) incorporates, with permission, FFT code from his book -// "Signal Processing with Lapped Transforms", Artech, 1992. - - - -#ifndef KALDI_MATRIX_MATRIX_FUNCTIONS_INL_H_ -#define KALDI_MATRIX_MATRIX_FUNCTIONS_INL_H_ - -namespace kaldi { - -//! ComplexMul implements, inline, the complex multiplication b *= a. -template<typename Real> inline void ComplexMul(const Real &a_re, const Real &a_im, - Real *b_re, Real *b_im) { - Real tmp_re = (*b_re * a_re) - (*b_im * a_im); - *b_im = *b_re * a_im + *b_im * a_re; - *b_re = tmp_re; -} - -template<typename Real> inline void ComplexAddProduct(const Real &a_re, const Real &a_im, - const Real &b_re, const Real &b_im, - Real *c_re, Real *c_im) { - *c_re += b_re*a_re - b_im*a_im; - *c_im += b_re*a_im + b_im*a_re; -} - - -template<typename Real> inline void ComplexImExp(Real x, Real *a_re, Real *a_im) { - *a_re = std::cos(x); - *a_im = std::sin(x); -} - - -} // end namespace kaldi - - -#endif // KALDI_MATRIX_MATRIX_FUNCTIONS_INL_H_ - |