Mercurial > hg > audiostuff
annotate spandsp-0.0.6pre17/src/spandsp/complex_vector_int.h @ 5:f762bf195c4b
import spandsp-0.0.3
author | Peter Meerwald <pmeerw@cosy.sbg.ac.at> |
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date | Fri, 25 Jun 2010 16:00:21 +0200 |
parents | 26cd8f1ef0b1 |
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rev | line source |
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import spandsp-0.0.6pre17
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1 /* |
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2 * SpanDSP - a series of DSP components for telephony |
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3 * |
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4 * complex_vector_int.h |
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5 * |
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6 * Written by Steve Underwood <steveu@coppice.org> |
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7 * |
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8 * Copyright (C) 2003 Steve Underwood |
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9 * |
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10 * All rights reserved. |
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11 * |
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12 * This program is free software; you can redistribute it and/or modify |
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13 * it under the terms of the GNU Lesser General Public License version 2.1, |
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14 * as published by the Free Software Foundation. |
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15 * |
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16 * This program is distributed in the hope that it will be useful, |
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17 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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19 * GNU Lesser General Public License for more details. |
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20 * |
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21 * You should have received a copy of the GNU Lesser General Public |
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22 * License along with this program; if not, write to the Free Software |
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23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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24 * |
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25 * $Id: complex_vector_int.h,v 1.4 2009/01/31 08:48:11 steveu Exp $ |
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26 */ |
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27 |
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28 #if !defined(_SPANDSP_COMPLEX_VECTOR_INT_H_) |
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29 #define _SPANDSP_COMPLEX_VECTOR_INT_H_ |
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30 |
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31 #if defined(__cplusplus) |
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32 extern "C" |
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33 { |
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34 #endif |
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35 |
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36 static __inline__ void cvec_copyi(complexi_t z[], const complexi_t x[], int n) |
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37 { |
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38 memcpy(z, x, n*sizeof(z[0])); |
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39 } |
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40 /*- End of function --------------------------------------------------------*/ |
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41 |
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42 static __inline__ void cvec_copyi16(complexi16_t z[], const complexi16_t x[], int n) |
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43 { |
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44 memcpy(z, x, n*sizeof(z[0])); |
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45 } |
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46 /*- End of function --------------------------------------------------------*/ |
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47 |
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48 static __inline__ void cvec_copyi32(complexi32_t z[], const complexi32_t x[], int n) |
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49 { |
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50 memcpy(z, x, n*sizeof(z[0])); |
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51 } |
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52 /*- End of function --------------------------------------------------------*/ |
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53 |
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54 static __inline__ void cvec_zeroi(complexi_t z[], int n) |
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55 { |
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56 memset(z, 0, n*sizeof(z[0])); |
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57 } |
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58 /*- End of function --------------------------------------------------------*/ |
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59 |
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60 static __inline__ void cvec_zeroi16(complexi16_t z[], int n) |
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61 { |
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62 memset(z, 0, n*sizeof(z[0])); |
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63 } |
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64 /*- End of function --------------------------------------------------------*/ |
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65 |
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66 static __inline__ void cvec_zeroi32(complexi32_t z[], int n) |
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67 { |
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68 memset(z, 0, n*sizeof(z[0])); |
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69 } |
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70 /*- End of function --------------------------------------------------------*/ |
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71 |
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72 static __inline__ void cvec_seti(complexi_t z[], complexi_t *x, int n) |
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73 { |
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74 int i; |
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75 |
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76 for (i = 0; i < n; i++) |
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77 z[i] = *x; |
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78 } |
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79 /*- End of function --------------------------------------------------------*/ |
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80 |
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81 static __inline__ void cvec_seti16(complexi16_t z[], complexi16_t *x, int n) |
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82 { |
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83 int i; |
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84 |
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85 for (i = 0; i < n; i++) |
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86 z[i] = *x; |
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87 } |
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88 /*- End of function --------------------------------------------------------*/ |
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89 |
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90 static __inline__ void cvec_seti32(complexi32_t z[], complexi32_t *x, int n) |
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91 { |
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92 int i; |
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93 |
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94 for (i = 0; i < n; i++) |
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95 z[i] = *x; |
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96 } |
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97 /*- End of function --------------------------------------------------------*/ |
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98 |
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99 /*! \brief Find the dot product of two complex int16_t vectors. |
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100 \param x The first vector. |
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101 \param y The first vector. |
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102 \param n The number of elements in the vectors. |
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103 \return The dot product of the two vectors. */ |
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104 SPAN_DECLARE(complexi32_t) cvec_dot_prodi16(const complexi16_t x[], const complexi16_t y[], int n); |
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105 |
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106 /*! \brief Find the dot product of two complex int32_t vectors. |
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107 \param x The first vector. |
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108 \param y The first vector. |
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109 \param n The number of elements in the vectors. |
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import spandsp-0.0.6pre17
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110 \return The dot product of the two vectors. */ |
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import spandsp-0.0.6pre17
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111 SPAN_DECLARE(complexi32_t) cvec_dot_prodi32(const complexi32_t x[], const complexi32_t y[], int n); |
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import spandsp-0.0.6pre17
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112 |
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import spandsp-0.0.6pre17
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113 /*! \brief Find the dot product of two complex int16_t vectors, where the first is a circular buffer |
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import spandsp-0.0.6pre17
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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114 with an offset for the starting position. |
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import spandsp-0.0.6pre17
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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115 \param x The first vector. |
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import spandsp-0.0.6pre17
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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116 \param y The first vector. |
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import spandsp-0.0.6pre17
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117 \param n The number of elements in the vectors. |
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import spandsp-0.0.6pre17
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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118 \param pos The starting position in the x vector. |
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import spandsp-0.0.6pre17
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff
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119 \return The dot product of the two vectors. */ |
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import spandsp-0.0.6pre17
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff
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120 SPAN_DECLARE(complexi32_t) cvec_circular_dot_prodi16(const complexi16_t x[], const complexi16_t y[], int n, int pos); |
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import spandsp-0.0.6pre17
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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121 |
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import spandsp-0.0.6pre17
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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122 SPAN_DECLARE(void) cvec_lmsi16(const complexi16_t x[], complexi16_t y[], int n, const complexi16_t *error); |
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import spandsp-0.0.6pre17
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123 |
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import spandsp-0.0.6pre17
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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124 SPAN_DECLARE(void) cvec_circular_lmsi16(const complexi16_t x[], complexi16_t y[], int n, int pos, const complexi16_t *error); |
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import spandsp-0.0.6pre17
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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125 |
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import spandsp-0.0.6pre17
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126 #if defined(__cplusplus) |
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import spandsp-0.0.6pre17
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127 } |
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import spandsp-0.0.6pre17
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128 #endif |
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import spandsp-0.0.6pre17
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129 |
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import spandsp-0.0.6pre17
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130 #endif |
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import spandsp-0.0.6pre17
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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131 /*- End of file ------------------------------------------------------------*/ |