/usr/include/hblas.h is in libalglib-dev 2.6.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright (c) 1992-2007 The University of Tennessee. All rights reserved.
Contributors:
* Sergey Bochkanov (ALGLIB project). Translation from FORTRAN to
pseudocode.
See subroutines comments for additional copyrights.
>>> SOURCE LICENSE >>>
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 (www.fsf.org); either version 2 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.
A copy of the GNU General Public License is available at
http://www.fsf.org/licensing/licenses
>>> END OF LICENSE >>>
*************************************************************************/
#ifndef _hblas_h
#define _hblas_h
#include "ap.h"
#include "ialglib.h"
void hermitianmatrixvectormultiply(const ap::complex_2d_array& a,
bool isupper,
int i1,
int i2,
const ap::complex_1d_array& x,
ap::complex alpha,
ap::complex_1d_array& y);
void hermitianrank2update(ap::complex_2d_array& a,
bool isupper,
int i1,
int i2,
const ap::complex_1d_array& x,
const ap::complex_1d_array& y,
ap::complex_1d_array& t,
ap::complex alpha);
#endif
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