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1 /* |
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2 * LIBOIL - Library of Optimized Inner Loops |
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3 * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org> |
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4 * All rights reserved. |
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5 * |
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6 * Redistribution and use in source and binary forms, with or without |
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7 * modification, are permitted provided that the following conditions |
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8 * are met: |
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9 * 1. Redistributions of source code must retain the above copyright |
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10 * notice, this list of conditions and the following disclaimer. |
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11 * 2. Redistributions in binary form must reproduce the above copyright |
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12 * notice, this list of conditions and the following disclaimer in the |
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13 * documentation and/or other materials provided with the distribution. |
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14 * |
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15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
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19 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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23 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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25 * POSSIBILITY OF SUCH DAMAGE. |
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26 */ |
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27 //Portions Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. |
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28 |
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29 #ifdef HAVE_CONFIG_H |
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30 #include "config.h" |
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31 #endif |
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32 |
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33 #include <liboil/liboilfunction.h> |
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34 #include "liboil/simdpack/simdpack.h" |
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35 #include <math.h> |
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36 |
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37 /** |
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38 * oil_sum_f64: |
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39 * @d_1: destination |
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40 * @s: source array |
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41 * @sstr: stride of source elements |
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42 * @n: number of elements |
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43 * |
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44 * Sums the elements in the source array and places the result in |
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45 * @d. |
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46 */ |
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47 OIL_DEFINE_CLASS (sum_f64, "double *d_1, double *s, int sstr, int n"); |
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48 //OIL_DEFINE_CLASS (sum_f64_i10, "double *dest, double *src, int sstr, int n"); |
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49 |
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50 static void |
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51 sum_f64_ref (double *dest, double *src, int sstr, int n) |
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52 { |
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53 double sum = 0; |
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54 double errsum = 0; |
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55 double tmp; |
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56 int i; |
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57 |
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58 for(i=0;i<n;i++){ |
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59 tmp = sum; |
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60 sum += OIL_GET(src, sstr*i, double); |
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61 errsum += (tmp - sum) + OIL_GET(src, sstr*i, double); |
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62 } |
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63 |
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64 *dest = sum + errsum; |
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65 } |
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66 OIL_DEFINE_IMPL_REF (sum_f64_ref, sum_f64); |
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67 |
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68 |
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69 |
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70 |
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71 #ifdef __SYMBIAN32__ |
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72 |
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73 OilFunctionClass* __oil_function_class_sum_f64() { |
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74 return &_oil_function_class_sum_f64; |
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75 } |
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76 #endif |
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77 |
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78 #if 0 |
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79 #ifdef __SYMBIAN32__ |
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80 |
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81 OilFunctionClass* __oil_function_class_sum_f64_i10() { |
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82 return &_oil_function_class_sum_f64_i10; |
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83 } |
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84 #endif |
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85 #endif |
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86 |
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87 |
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88 #ifdef __SYMBIAN32__ |
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89 |
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90 OilFunctionImpl* __oil_function_impl_sum_f64_ref() { |
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91 return &_oil_function_impl_sum_f64_ref; |
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92 } |
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93 #endif |
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94 |
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95 |
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96 |
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97 #ifdef __SYMBIAN32__ |
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98 |
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99 EXPORT_C void** _oil_function_class_ptr_sum_f64 () { |
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100 oil_function_class_ptr_sum_f64 = __oil_function_class_sum_f64(); |
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101 return &oil_function_class_ptr_sum_f64->func; |
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102 } |
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103 #endif |
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104 |
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105 #if 0 |
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106 #ifdef __SYMBIAN32__ |
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107 |
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108 EXPORT_C void** _oil_function_class_ptr_sum_f64_i10 () { |
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109 oil_function_class_ptr_sum_f64_i10 = __oil_function_class_sum_f64_i10(); |
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110 return &oil_function_class_ptr_sum_f64_i10->func; |
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111 } |
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112 #endif |
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113 #endif |