/usr/include/spandsp/complex_vector_float.h is in libspandsp-dev 0.0.6-2+b2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 | /*
* SpanDSP - a series of DSP components for telephony
*
* complex_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_COMPLEX_VECTOR_FLOAT_H_)
#define _SPANDSP_COMPLEX_VECTOR_FLOAT_H_
#if defined(__cplusplus)
extern "C"
{
#endif
static __inline__ void cvec_copyf(complexf_t z[], const complexf_t x[], int n)
{
int i;
for (i = 0; i < n; i++)
z[i] = x[i];
}
/*- End of function --------------------------------------------------------*/
static __inline__ void cvec_copy(complex_t z[], const complex_t x[], int n)
{
int i;
for (i = 0; i < n; i++)
z[i] = x[i];
}
/*- End of function --------------------------------------------------------*/
#if defined(HAVE_LONG_DOUBLE)
static __inline__ void cvec_copyl(complexl_t z[], const complexl_t x[], int n)
{
int i;
for (i = 0; i < n; i++)
z[i] = x[i];
}
/*- End of function --------------------------------------------------------*/
#endif
static __inline__ void cvec_zerof(complexf_t z[], int n)
{
int i;
for (i = 0; i < n; i++)
z[i] = complex_setf(0.0f, 0.0f);
}
/*- End of function --------------------------------------------------------*/
static __inline__ void cvec_zero(complex_t z[], int n)
{
int i;
for (i = 0; i < n; i++)
z[i] = complex_set(0.0, 0.0);
}
/*- End of function --------------------------------------------------------*/
#if defined(HAVE_LONG_DOUBLE)
static __inline__ void cvec_zerol(complexl_t z[], int n)
{
int i;
for (i = 0; i < n; i++)
z[i] = complex_setl(0.0, 0.0);
}
/*- End of function --------------------------------------------------------*/
#endif
static __inline__ void cvec_setf(complexf_t z[], complexf_t *x, int n)
{
int i;
for (i = 0; i < n; i++)
z[i] = *x;
}
/*- End of function --------------------------------------------------------*/
static __inline__ void cvec_set(complex_t z[], complex_t *x, int n)
{
int i;
for (i = 0; i < n; i++)
z[i] = *x;
}
/*- End of function --------------------------------------------------------*/
#if defined(HAVE_LONG_DOUBLE)
static __inline__ void cvec_setl(complexl_t z[], complexl_t *x, int n)
{
int i;
for (i = 0; i < n; i++)
z[i] = *x;
}
/*- End of function --------------------------------------------------------*/
#endif
SPAN_DECLARE(void) cvec_mulf(complexf_t z[], const complexf_t x[], const complexf_t y[], int n);
SPAN_DECLARE(void) cvec_mul(complex_t z[], const complex_t x[], const complex_t y[], int n);
#if defined(HAVE_LONG_DOUBLE)
SPAN_DECLARE(void) cvec_mull(complexl_t z[], const complexl_t x[], const complexl_t y[], int n);
#endif
/*! \brief Find the dot product of two complex 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(complexf_t) cvec_dot_prodf(const complexf_t x[], const complexf_t y[], int n);
/*! \brief Find the dot product of two complex 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(complex_t) cvec_dot_prod(const complex_t x[], const complex_t y[], int n);
#if defined(HAVE_LONG_DOUBLE)
/*! \brief Find the dot product of two complex 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(complexl_t) cvec_dot_prodl(const complexl_t x[], const complexl_t y[], int n);
#endif
/*! \brief Find the dot product of two complex 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(complexf_t) cvec_circular_dot_prodf(const complexf_t x[], const complexf_t y[], int n, int pos);
SPAN_DECLARE(void) cvec_lmsf(const complexf_t x[], complexf_t y[], int n, const complexf_t *error);
SPAN_DECLARE(void) cvec_circular_lmsf(const complexf_t x[], complexf_t y[], int n, int pos, const complexf_t *error);
#if defined(__cplusplus)
}
#endif
#endif
/*- End of file ------------------------------------------------------------*/
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