/usr/include/spandsp/vector_float.h is in libspandsp-dev 0.0.6~pre20-3.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* SpanDSP - a series of DSP components for telephony
*
* vector_float.h
*
* Written by Steve Underwood <steveu@coppice.org>
*
* Copyright (C) 2003 Steve Underwood
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1,
* as published by the Free Software Foundation.
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(_SPANDSP_VECTOR_FLOAT_H_)
#define _SPANDSP_VECTOR_FLOAT_H_
#if defined(__cplusplus)
extern "C"
{
#endif
SPAN_DECLARE(void) vec_copyf(float z[], const float x[], int n);
SPAN_DECLARE(void) vec_copy(double z[], const double x[], int n);
#if defined(HAVE_LONG_DOUBLE)
SPAN_DECLARE(void) vec_copyl(long double z[], const long double x[], int n);
#endif
SPAN_DECLARE(void) vec_negatef(float z[], const float x[], int n);
SPAN_DECLARE(void) vec_negate(double z[], const double x[], int n);
#if defined(HAVE_LONG_DOUBLE)
SPAN_DECLARE(void) vec_negatel(long double z[], const long double x[], int n);
#endif
SPAN_DECLARE(void) vec_zerof(float z[], int n);
SPAN_DECLARE(void) vec_zero(double z[], int n);
#if defined(HAVE_LONG_DOUBLE)
SPAN_DECLARE(void) vec_zerol(long double z[], int n);
#endif
SPAN_DECLARE(void) vec_setf(float z[], float x, int n);
SPAN_DECLARE(void) vec_set(double z[], double x, int n);
#if defined(HAVE_LONG_DOUBLE)
SPAN_DECLARE(void) vec_setl(long double z[], long double x, int n);
#endif
SPAN_DECLARE(void) vec_addf(float z[], const float x[], const float y[], int n);
SPAN_DECLARE(void) vec_add(double z[], const double x[], const double y[], int n);
#if defined(HAVE_LONG_DOUBLE)
SPAN_DECLARE(void) vec_addl(long double z[], const long double x[], const long double y[], int n);
#endif
SPAN_DECLARE(void) vec_scaledxy_addf(float z[], const float x[], float x_scale, const float y[], float y_scale, int n);
SPAN_DECLARE(void) vec_scaledxy_add(double z[], const double x[], double x_scale, const double y[], double y_scale, int n);
#if defined(HAVE_LONG_DOUBLE)
SPAN_DECLARE(void) vec_scaledxy_addl(long double z[], const long double x[], long double x_scale, const long double y[], long double y_scale, int n);
#endif
SPAN_DECLARE(void) vec_scaledy_addf(float z[], const float x[], const float y[], float y_scale, int n);
SPAN_DECLARE(void) vec_scaledy_add(double z[], const double x[], const double y[], double y_scale, int n);
#if defined(HAVE_LONG_DOUBLE)
SPAN_DECLARE(void) vec_scaledy_addl(long double z[], const long double x[], const long double y[], long double y_scale, int n);
#endif
SPAN_DECLARE(void) vec_subf(float z[], const float x[], const float y[], int n);
SPAN_DECLARE(void) vec_sub(double z[], const double x[], const double y[], int n);
#if defined(HAVE_LONG_DOUBLE)
SPAN_DECLARE(void) vec_subl(long double z[], const long double x[], const long double y[], int n);
#endif
SPAN_DECLARE(void) vec_scaledxy_subf(float z[], const float x[], float x_scale, const float y[], float y_scale, int n);
SPAN_DECLARE(void) vec_scaledxy_sub(double z[], const double x[], double x_scale, const double y[], double y_scale, int n);
#if defined(HAVE_LONG_DOUBLE)
SPAN_DECLARE(void) vec_scaledxy_subl(long double z[], const long double x[], long double x_scale, const long double y[], long double y_scale, int n);
#endif
SPAN_DECLARE(void) vec_scaledx_subf(float z[], const float x[], float x_scale, const float y[], int n);
SPAN_DECLARE(void) vec_scaledx_sub(double z[], const double x[], double x_scale, const double y[], int n);
#if defined(HAVE_LONG_DOUBLE)
SPAN_DECLARE(void) vec_scaledx_subl(long double z[], const long double x[], long double x_scale, const long double y[], int n);
#endif
SPAN_DECLARE(void) vec_scaledy_subf(float z[], const float x[], const float y[], float y_scale, int n);
SPAN_DECLARE(void) vec_scaledy_sub(double z[], const double x[], const double y[], double y_scale, int n);
#if defined(HAVE_LONG_DOUBLE)
SPAN_DECLARE(void) vec_scaledy_subl(long double z[], const long double x[], const long double y[], long double y_scale, int n);
#endif
SPAN_DECLARE(void) vec_scalar_mulf(float z[], const float x[], float y, int n);
SPAN_DECLARE(void) vec_scalar_mul(double z[], const double x[], double y, int n);
#if defined(HAVE_LONG_DOUBLE)
SPAN_DECLARE(void) vec_scalar_mull(long double z[], const long double x[], long double y, int n);
#endif
SPAN_DECLARE(void) vec_scalar_addf(float z[], const float x[], float y, int n);
SPAN_DECLARE(void) vec_scalar_add(double z[], const double x[], double y, int n);
#if defined(HAVE_LONG_DOUBLE)
SPAN_DECLARE(void) vec_scalar_addl(long double z[], const long double x[], long double y, int n);
#endif
SPAN_DECLARE(void) vec_scalar_subf(float z[], const float x[], float y, int n);
SPAN_DECLARE(void) vec_scalar_sub(double z[], const double x[], double y, int n);
#if defined(HAVE_LONG_DOUBLE)
SPAN_DECLARE(void) vec_scalar_subl(long double z[], const long double x[], long double y, int n);
#endif
SPAN_DECLARE(void) vec_mulf(float z[], const float x[], const float y[], int n);
SPAN_DECLARE(void) vec_mul(double z[], const double x[], const double y[], int n);
#if defined(HAVE_LONG_DOUBLE)
SPAN_DECLARE(void) vec_mull(long double z[], const long double x[], const long double y[], int n);
#endif
/*! \brief Find the dot product of two float vectors.
\param x The first vector.
\param y The first vector.
\param n The number of elements in the vectors.
\return The dot product of the two vectors. */
SPAN_DECLARE(float) vec_dot_prodf(const float x[], const float y[], int n);
/*! \brief Find the dot product of two double vectors.
\param x The first vector.
\param y The first vector.
\param n The number of elements in the vectors.
\return The dot product of the two vectors. */
SPAN_DECLARE(double) vec_dot_prod(const double x[], const double y[], int n);
#if defined(HAVE_LONG_DOUBLE)
/*! \brief Find the dot product of two long double vectors.
\param x The first vector.
\param y The first vector.
\param n The number of elements in the vectors.
\return The dot product of the two vectors. */
SPAN_DECLARE(long double) vec_dot_prodl(const long double x[], const long double y[], int n);
#endif
/*! \brief Find the dot product of two float vectors, where the first is a circular buffer
with an offset for the starting position.
\param x The first vector.
\param y The first vector.
\param n The number of elements in the vectors.
\param pos The starting position in the x vector.
\return The dot product of the two vectors. */
SPAN_DECLARE(float) vec_circular_dot_prodf(const float x[], const float y[], int n, int pos);
SPAN_DECLARE(void) vec_lmsf(const float x[], float y[], int n, float error);
SPAN_DECLARE(void) vec_circular_lmsf(const float x[], float y[], int n, int pos, float error);
#if defined(__cplusplus)
}
#endif
#endif
/*- End of file ------------------------------------------------------------*/
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