genericopenlibs/liboil/src/ref/swab.c
branchRCL_3
changeset 56 acd3cd4aaceb
equal deleted inserted replaced
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 <liboil/liboil.h>
       
    34 #include <liboil/liboilfunction.h>
       
    35 #include <liboil/liboiltest.h>
       
    36 
       
    37 
       
    38 /**
       
    39  * oil_swab_u16:
       
    40  * @d_n:
       
    41  * @s_n:
       
    42  * n:
       
    43  *
       
    44  * Swaps the endianness of values in the source array and places the
       
    45  * results in the destination array.  The arguments @s_n and @d_n may
       
    46  * be equal.
       
    47  */
       
    48 OIL_DEFINE_CLASS (swab_u16, "uint16_t *d_n, uint16_t *s_n, int n");
       
    49 
       
    50 /**
       
    51  * oil_swab_u32:
       
    52  * @d_n:
       
    53  * @s_n:
       
    54  * n:
       
    55  *
       
    56  * Swaps the endianness of values in the source array and places the
       
    57  * results in the destination array.  The arguments @s_n and @d_n may
       
    58  * be equal.
       
    59  */
       
    60 OIL_DEFINE_CLASS (swab_u32, "uint32_t *d_n, uint32_t *s_n, int n");
       
    61 
       
    62 static void
       
    63 swab_u16_ref (uint16_t *d, uint16_t *s, int n)
       
    64 {
       
    65   int i;
       
    66 
       
    67   for(i=0;i<n;i++){
       
    68     d[i] = (s[i]<<8) | (s[i]>>8);
       
    69   }
       
    70 }
       
    71 OIL_DEFINE_IMPL_REF (swab_u16_ref, swab_u16);
       
    72 
       
    73 static void
       
    74 swab_u32_ref (uint32_t *d, uint32_t *s, int n)
       
    75 {
       
    76   int i;
       
    77 
       
    78   for(i=0;i<n;i++){
       
    79     d[i] = (s[i]<<24) | ((s[i]&0x0000ff00)<<8) |
       
    80       ((s[i]&0x00ff0000)>>8) | (s[i]>>24);
       
    81   }
       
    82 }
       
    83 OIL_DEFINE_IMPL_REF (swab_u32_ref, swab_u32);
       
    84 
       
    85 
       
    86 
       
    87 #ifdef	__SYMBIAN32__
       
    88  
       
    89 OilFunctionClass* __oil_function_class_swab_u16() {
       
    90 		return &_oil_function_class_swab_u16;
       
    91 }
       
    92 #endif
       
    93 
       
    94 #ifdef	__SYMBIAN32__
       
    95  
       
    96 OilFunctionClass* __oil_function_class_swab_u32() {
       
    97 		return &_oil_function_class_swab_u32;
       
    98 }
       
    99 #endif
       
   100 
       
   101 
       
   102 
       
   103 #ifdef	__SYMBIAN32__
       
   104  
       
   105 OilFunctionImpl* __oil_function_impl_swab_u16_ref() {
       
   106 		return &_oil_function_impl_swab_u16_ref;
       
   107 }
       
   108 #endif
       
   109 
       
   110 #ifdef	__SYMBIAN32__
       
   111  
       
   112 OilFunctionImpl* __oil_function_impl_swab_u32_ref() {
       
   113 		return &_oil_function_impl_swab_u32_ref;
       
   114 }
       
   115 #endif
       
   116 
       
   117 
       
   118 
       
   119 #ifdef	__SYMBIAN32__
       
   120  
       
   121 EXPORT_C void** _oil_function_class_ptr_swab_u16 ()	{
       
   122 	oil_function_class_ptr_swab_u16 = __oil_function_class_swab_u16();
       
   123 	return &oil_function_class_ptr_swab_u16->func;
       
   124 	}
       
   125 #endif
       
   126 
       
   127 #ifdef	__SYMBIAN32__
       
   128  
       
   129 EXPORT_C void** _oil_function_class_ptr_swab_u32 ()	{
       
   130 	oil_function_class_ptr_swab_u32 = __oil_function_class_swab_u32();
       
   131 	return &oil_function_class_ptr_swab_u32->func;
       
   132 	}
       
   133 #endif
       
   134