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- #ifndef _NUMcomplex_h_
- #define _NUMcomplex_h_
- /* NUMcomplex.h
- *
- * Copyright (C) 2017 David Weenink
- *
- * This code is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- *
- * This code is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this work. If not, see <http://www.gnu.org/licenses/>.
- */
- #include "NUM2.h"
- /* Gamma[alpha,x] = integral{x, infty, t^(alpha-1)exp(-t)dt}, Gamma[alpha]= Gamma[alpha,0]
- * alpha and x are complex numbers with Re(alpha) > 0
- */
- dcomplex NUMincompleteGammaFunction (double alpha_re, double alpha_im, double x_re, double x_im);
- /*
- Get response of a truncated gammatone filter defined on the interval [0, truncationTime] at the resonance frequency
- */
- dcomplex gammaToneFilterResponseAtCentreFrequency (double centre_frequency, double bandwidth, double gamma, double initialPhase, double truncationTime);
- #endif
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