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/*
** Copyright 2003-2010, VisualOn, Inc.
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
/***********************************************************************
* File: util.c *
* *
* Description: Reset and Copy buffer *
* *
************************************************************************/
#include "typedef.h"
#include "basic_op.h"
/***********************************************************************
* Function: Set_zero() *
* Description: Set vector x[] to zero *
************************************************************************/
void Set_zero(
Word16 x[], /* (o) : vector to clear */
Word16 L /* (i) : length of vector */
)
{
Word32 num = (Word32)L;
while (num > 0) {
*x++ = 0;
--num;
}
}
/*********************************************************************
* Function: Copy() *
* *
* Description: Copy vector x[] to y[] *
*********************************************************************/
void Copy(
Word16 x[], /* (i) : input vector */
Word16 y[], /* (o) : output vector */
Word16 L /* (i) : vector length */
)
{
Word32 temp1,temp2,num;
if (L <= 0) {
return;
}
if(L&1)
{
temp1 = *x++;
*y++ = temp1;
}
num = (Word32)(L>>1);
while (num > 0) {
temp1 = *x++;
temp2 = *x++;
*y++ = temp1;
*y++ = temp2;
--num;
}
}
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