1 /*
2 * Copyright (C) 2004-2010 NXP Software
3 * Copyright (C) 2010 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 /**********************************************************************************
19 INCLUDE FILES
20 ***********************************************************************************/
21
22 #include "VectorArithmetic.h"
23
24 /**********************************************************************************
25 FUNCTION MULT3S_16X16
26 ***********************************************************************************/
27
Mult3s_16x16(const LVM_INT16 * src,const LVM_INT16 val,LVM_INT16 * dst,LVM_INT16 n)28 void Mult3s_16x16( const LVM_INT16 *src,
29 const LVM_INT16 val,
30 LVM_INT16 *dst,
31 LVM_INT16 n)
32 {
33 LVM_INT16 ii;
34 LVM_INT32 temp;
35
36 for (ii = n; ii != 0; ii--)
37 {
38 temp = (LVM_INT32)(*src) * (LVM_INT32)val;
39 src++;
40
41 *dst = (LVM_INT16)(temp >> 15);
42 dst++;
43 }
44
45 return;
46 }
47
48 /**********************************************************************************/
49