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fht.h
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fht.h
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// This program 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 3 of the License, or
// (at your option) any later version.
//
// This program 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 program; see the file COPYING. If not, see
// <https://www.gnu.org/licenses/>.
extern void LLbitReversalTbl(unsigned *dst, int n);
extern void LLsinHalfTbl(double *dst, int n);
extern void LLdiscreteHartley(double *A, const int nPoints, const double *sinTab);