genericopenlibs/liboil/src/math/math.c
branchRCL_3
changeset 56 acd3cd4aaceb
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54:4332f0f7be53 56:acd3cd4aaceb
       
     1 /*
       
     2  * LIBOIL - Library of Optimized Inner Loops
       
     3  * Copyright (c) 2005 David A. Schleef <ds@schleef.org>
       
     4  * All rights reserved.
       
     5  *
       
     6  * Redistribution and use in source and binary forms, with or without
       
     7  * modification, are permitted provided that the following conditions
       
     8  * are met:
       
     9  * 1. Redistributions of source code must retain the above copyright
       
    10  *    notice, this list of conditions and the following disclaimer.
       
    11  * 2. Redistributions in binary form must reproduce the above copyright
       
    12  *    notice, this list of conditions and the following disclaimer in the
       
    13  *    documentation and/or other materials provided with the distribution.
       
    14  * 
       
    15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
       
    16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
       
    17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
       
    18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
       
    19  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
       
    20  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
       
    21  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
       
    22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
       
    23  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
       
    24  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
       
    25  * POSSIBILITY OF SUCH DAMAGE.
       
    26  */
       
    27 //Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 
       
    28 
       
    29 #ifdef HAVE_CONFIG_H
       
    30 #include "config.h"
       
    31 #endif
       
    32 
       
    33 #include <math.h>
       
    34 
       
    35 #include <liboil/liboil.h>
       
    36 #include <liboil/liboilfunction.h>
       
    37 #include <liboil/liboilclasses.h>
       
    38 
       
    39 
       
    40 #if 0
       
    41 static void
       
    42 add_f32_unroll4 (float *dest, float *src1, float *src2, int n)
       
    43 {
       
    44   int i;
       
    45 
       
    46   for(i=0;i<(n&(~0x3));i+=4){
       
    47     dest[i+0] = src1[i+0] + src2[i+0];
       
    48     dest[i+1] = src1[i+1] + src2[i+1];
       
    49     dest[i+2] = src1[i+2] + src2[i+2];
       
    50     dest[i+3] = src1[i+3] + src2[i+3];
       
    51   }
       
    52   for(;i<n;i++){
       
    53     dest[i] = src1[i] + src2[i];
       
    54   }
       
    55 }
       
    56 OIL_DEFINE_IMPL (add_f32_unroll4, add_f32);
       
    57 #endif
       
    58 
       
    59 #if 0
       
    60 static void
       
    61 add_f32_unroll4b (float *dest, float *src1, float *src2, int n)
       
    62 {
       
    63   int i;
       
    64 
       
    65   for(i=0;i<(n&(~0x3));i+=4){
       
    66     *dest++ = *src1++ + *src2++;
       
    67     *dest++ = *src1++ + *src2++;
       
    68     *dest++ = *src1++ + *src2++;
       
    69     *dest++ = *src1++ + *src2++;
       
    70   }
       
    71   for(;i<n;i++){
       
    72     *dest++ = *src1++ + *src2++;
       
    73   }
       
    74 }
       
    75 OIL_DEFINE_IMPL (add_f32_unroll4b, add_f32);
       
    76 #endif
       
    77 
       
    78 
       
    79 #if 0
       
    80 static void
       
    81 multiply_f32_unroll4 (float *dest, float *src1, float *src2, int n)
       
    82 {
       
    83   int i;
       
    84 
       
    85   for(i=0;i<(n&(~0x3));i+=4){
       
    86     dest[i+0] = src1[i+0] * src2[i+0];
       
    87     dest[i+1] = src1[i+1] * src2[i+1];
       
    88     dest[i+2] = src1[i+2] * src2[i+2];
       
    89     dest[i+3] = src1[i+3] * src2[i+3];
       
    90   }
       
    91   for(;i<n;i++){
       
    92     dest[i] = src1[i] * src2[i];
       
    93   }
       
    94 }
       
    95 OIL_DEFINE_IMPL (multiply_f32_unroll4, multiply_f32);
       
    96 #endif
       
    97 
       
    98 static void
       
    99 scalaradd_f32_ns_unroll4 (float *dest, float *src1, float *src2, int n)
       
   100 {
       
   101   int i;
       
   102 
       
   103   for(i=0;i<(n&(~0x3));i+=4){
       
   104     dest[i+0] = src1[i+0] + src2[0];
       
   105     dest[i+1] = src1[i+1] + src2[0];
       
   106     dest[i+2] = src1[i+2] + src2[0];
       
   107     dest[i+3] = src1[i+3] + src2[0];
       
   108   }
       
   109   for(;i<n;i++){
       
   110     dest[i] = src1[i] + src2[0];
       
   111   }
       
   112 }
       
   113 OIL_DEFINE_IMPL (scalaradd_f32_ns_unroll4, scalaradd_f32_ns);
       
   114 
       
   115 static void
       
   116 scalarmultiply_f32_ns_unroll4 (float *dest, float *src1, float *src2, int n)
       
   117 {
       
   118   int i;
       
   119 
       
   120   for(i=0;i<(n&(~0x3));i+=4){
       
   121     dest[i+0] = src1[i+0] * src2[0];
       
   122     dest[i+1] = src1[i+1] * src2[0];
       
   123     dest[i+2] = src1[i+2] * src2[0];
       
   124     dest[i+3] = src1[i+3] * src2[0];
       
   125   }
       
   126   for(;i<n;i++){
       
   127     dest[i] = src1[i] * src2[0];
       
   128   }
       
   129 }
       
   130 OIL_DEFINE_IMPL (scalarmultiply_f32_ns_unroll4, scalarmultiply_f32_ns);
       
   131 
       
   132 static void
       
   133 scalarmultiply_f64_ns_unroll4 (double *dest, double *src1, double *src2, int n)
       
   134 {
       
   135   int i;
       
   136 
       
   137   for(i=0;i<(n&(~0x3));i+=4){
       
   138     dest[i+0] = src1[i+0] * src2[0];
       
   139     dest[i+1] = src1[i+1] * src2[0];
       
   140     dest[i+2] = src1[i+2] * src2[0];
       
   141     dest[i+3] = src1[i+3] * src2[0];
       
   142   }
       
   143   for(;i<n;i++){
       
   144     dest[i] = src1[i] * src2[0];
       
   145   }
       
   146 }
       
   147 OIL_DEFINE_IMPL (scalarmultiply_f64_ns_unroll4, scalarmultiply_f64_ns);
       
   148 
       
   149 #if 0
       
   150 
       
   151 #ifdef	__SYMBIAN32__
       
   152  
       
   153 OilFunctionImpl* __oil_function_impl_add_f32_unroll4() {
       
   154 		return &_oil_function_impl_add_f32_unroll4;
       
   155 }
       
   156 #endif
       
   157 
       
   158 #ifdef	__SYMBIAN32__
       
   159  
       
   160 OilFunctionImpl* __oil_function_impl_add_f32_unroll4b() {
       
   161 		return &_oil_function_impl_add_f32_unroll4b;
       
   162 }
       
   163 #endif
       
   164 
       
   165 #ifdef	__SYMBIAN32__
       
   166  
       
   167 OilFunctionImpl* __oil_function_impl_multiply_f32_unroll4() {
       
   168 		return &_oil_function_impl_multiply_f32_unroll4;
       
   169 }
       
   170 #endif
       
   171 
       
   172 #endif
       
   173 #ifdef	__SYMBIAN32__
       
   174  
       
   175 OilFunctionImpl* __oil_function_impl_scalaradd_f32_ns_unroll4() {
       
   176 		return &_oil_function_impl_scalaradd_f32_ns_unroll4;
       
   177 }
       
   178 #endif
       
   179 
       
   180 #ifdef	__SYMBIAN32__
       
   181  
       
   182 OilFunctionImpl* __oil_function_impl_scalarmultiply_f32_ns_unroll4() {
       
   183 		return &_oil_function_impl_scalarmultiply_f32_ns_unroll4;
       
   184 }
       
   185 #endif
       
   186 
       
   187 #ifdef	__SYMBIAN32__
       
   188  
       
   189 OilFunctionImpl* __oil_function_impl_scalarmultiply_f64_ns_unroll4() {
       
   190 		return &_oil_function_impl_scalarmultiply_f64_ns_unroll4;
       
   191 }
       
   192 #endif
       
   193